1 files changed, 2131 insertions, 0 deletions
diff --git a/3rdParty/SCons/scons-3.0.1/engine/SCons/ActionTests.py b/3rdParty/SCons/scons-3.0.1/engine/SCons/ActionTests.py
new file mode 100644
index 0000000..2398c10
--- /dev/null
+++ b/3rdParty/SCons/scons-3.0.1/engine/SCons/ActionTests.py
@@ -0,0 +1,2131 @@
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+# Define a null function and a null class for use as builder actions.
+# Where these are defined in the file seems to affect their byte-code
+# contents, so try to minimize changes by defining them here, before we
+# even import anything.
+def GlobalFunc():
+    pass
+
+class GlobalActFunc(object):
+    def __call__(self):
+        pass
+
+import collections
+import io
+import os
+import re
+import sys
+import types
+import unittest
+
+import SCons.Action
+import SCons.Environment
+import SCons.Errors
+
+import TestCmd
+import TestUnit
+
+# Initial setup of the common environment for all tests,
+# a temporary working directory containing a
+# script for writing arguments to an output file.
+#
+# We don't do this as a setUp() method because it's
+# unnecessary to create a separate directory and script
+# for each test, they can just use the one.
+test = TestCmd.TestCmd(workdir = '')
+
+test.write('act.py', """\
+import os, string, sys
+f = open(sys.argv[1], 'w')
+f.write("act.py: '" + "' '".join(sys.argv[2:]) + "'\\n")
+try:
+    if sys.argv[3]:
+        f.write("act.py: '" + os.environ[sys.argv[3]] + "'\\n")
+except:
+    pass
+f.close()
+if 'ACTPY_PIPE' in os.environ:
+    if 'PIPE_STDOUT_FILE' in os.environ:
+         stdout_msg = open(os.environ['PIPE_STDOUT_FILE'], 'r').read()
+    else:
+         stdout_msg = "act.py: stdout: executed act.py %s\\n" % ' '.join(sys.argv[1:])
+    sys.stdout.write( stdout_msg )
+    if 'PIPE_STDERR_FILE' in os.environ:
+         stderr_msg = open(os.environ['PIPE_STDERR_FILE'], 'r').read()
+    else:
+         stderr_msg = "act.py: stderr: executed act.py %s\\n" % ' '.join(sys.argv[1:])
+    sys.stderr.write( stderr_msg )
+sys.exit(0)
+""")
+
+test.write('exit.py', """\
+import sys
+sys.exit(int(sys.argv[1]))
+""")
+
+act_py = test.workpath('act.py')
+exit_py = test.workpath('exit.py')
+
+outfile = test.workpath('outfile')
+outfile2 = test.workpath('outfile2')
+pipe_file = test.workpath('pipe.out')
+
+scons_env = SCons.Environment.Environment()
+
+# Capture all the stuff the Actions will print,
+# so it doesn't clutter the output.
+sys.stdout = io.StringIO()
+
+class CmdStringHolder(object):
+    def __init__(self, cmd, literal=None):
+        self.data = str(cmd)
+        self.literal = literal
+
+    def is_literal(self):
+        return self.literal
+
+    def escape(self, escape_func):
+        """Escape the string with the supplied function.  The
+        function is expected to take an arbitrary string, then
+        return it with all special characters escaped and ready
+        for passing to the command interpreter.
+
+        After calling this function, the next call to str() will
+        return the escaped string.
+        """
+
+        if self.is_literal():
+            return escape_func(self.data)
+        elif ' ' in self.data or '\t' in self.data:
+            return '"%s"' % self.data
+        else:
+            return self.data
+
+class Environment(object):
+    def __init__(self, **kw):
+        self.d = {}
+        self.d['SHELL'] = scons_env['SHELL']
+        self.d['SPAWN'] = scons_env['SPAWN']
+        self.d['PSPAWN'] = scons_env['PSPAWN']
+        self.d['ESCAPE'] = scons_env['ESCAPE']
+        for k, v in kw.items():
+            self.d[k] = v
+    # Just use the underlying scons_subst*() utility methods.
+    def subst(self, strSubst, raw=0, target=[], source=[], conv=None):
+        return SCons.Subst.scons_subst(strSubst, self, raw,
+                                       target, source, self.d, conv=conv)
+    subst_target_source = subst
+    def subst_list(self, strSubst, raw=0, target=[], source=[], conv=None):
+        return SCons.Subst.scons_subst_list(strSubst, self, raw,
+                                       target, source, self.d, conv=conv)
+    def __getitem__(self, item):
+        return self.d[item]
+    def __setitem__(self, item, value):
+        self.d[item] = value
+    def has_key(self, item):
+        return item in self.d
+    def get(self, key, value=None):
+        return self.d.get(key, value)
+    def items(self):
+        return list(self.d.items())
+    def Dictionary(self):
+        return self.d
+    def Clone(self, **kw):
+        res = Environment()
+        res.d = SCons.Util.semi_deepcopy(self.d)
+        for k, v in kw.items():
+            res.d[k] = v
+        return res
+    def sig_dict(self):
+        d = {}
+        for k,v in self.items(): d[k] = v
+        d['TARGETS'] = ['__t1__', '__t2__', '__t3__', '__t4__', '__t5__', '__t6__']
+        d['TARGET'] = d['TARGETS'][0]
+        d['SOURCES'] = ['__s1__', '__s2__', '__s3__', '__s4__', '__s5__', '__s6__']
+        d['SOURCE'] = d['SOURCES'][0]
+        return d
+
+class DummyNode(object):
+    def __init__(self, name):
+        self.name = name
+    def str_for_display(self):
+        return '"' + self.name + '"'
+    def __str__(self):
+        return self.name
+    def rfile(self):
+        return self
+    def get_subst_proxy(self):
+        return self
+
+if os.name == 'java':
+    python = os.path.join(sys.prefix, 'jython')
+else:
+    python = os.environ.get('python_executable', sys.executable)
+_python_ = test.escape(python)
+
+_null = SCons.Action._null
+
+def test_varlist(pos_call, str_call, cmd, cmdstrfunc, **kw):
+    def call_action(a, pos_call=pos_call, str_call=str_call, kw=kw):
+        a = SCons.Action.Action(*a, **kw)
+        # returned object must provide these entry points
+        assert hasattr(a, '__call__')
+        assert hasattr(a, 'get_contents')
+        assert hasattr(a, 'genstring')
+        pos_call(a)
+        str_call(a)
+        return a
+
+    a = call_action((cmd, cmdstrfunc))
+    assert a.varlist == (), a.varlist
+
+    a = call_action((cmd, cmdstrfunc, 'foo'))
+    assert a.varlist == ('foo',), a.varlist
+
+    a = call_action((cmd, cmdstrfunc, 'a', 'b', 'c'))
+    assert a.varlist == ('a', 'b', 'c'), a.varlist
+
+    a = call_action((cmd, cmdstrfunc, ['a', 'b', 'c']))
+    assert a.varlist == ('a', 'b', 'c'), a.varlist
+
+    kw['varlist'] = 'foo'
+    a = call_action((cmd, cmdstrfunc))
+    assert a.varlist == ('foo',), a.varlist
+
+    kw['varlist'] = ['x', 'y', 'z']
+    a = call_action((cmd, cmdstrfunc))
+    assert a.varlist == ('x', 'y', 'z'), a.varlist
+
+    a = call_action((cmd, cmdstrfunc, 'foo'))
+    assert a.varlist == ('foo', 'x', 'y', 'z'), a.varlist
+
+    a = call_action((cmd, cmdstrfunc, 'a', 'b', 'c'))
+    assert a.varlist == ('a', 'b', 'c', 'x', 'y', 'z'), a.varlist
+
+def test_positional_args(pos_callback, cmd, **kw):
+    """Test that Action() returns the expected type and that positional args work.
+    """
+    act = SCons.Action.Action(cmd, **kw)
+    pos_callback(act)
+    assert act.varlist == (), act.varlist
+
+    if not isinstance(act, SCons.Action._ActionAction):
+        # only valid cmdstrfunc is None
+        def none(a): pass
+        test_varlist(pos_callback, none, cmd, None, **kw)
+    else:
+        # _ActionAction should have set these
+        assert hasattr(act, 'strfunction')
+        assert act.cmdstr is _null, act.cmdstr
+        assert act.presub is _null, act.presub
+        assert act.chdir is None, act.chdir
+        assert act.exitstatfunc is SCons.Action.default_exitstatfunc, \
+                                        act.exitstatfunc
+
+        def cmdstr(a):
+            assert hasattr(a, 'strfunction')
+            assert a.cmdstr == 'cmdstr', a.cmdstr
+        test_varlist(pos_callback, cmdstr, cmd, 'cmdstr', **kw)
+
+        def fun(): pass
+        def strfun(a, fun=fun):
+            assert a.strfunction is fun, a.strfunction
+            assert a.cmdstr == _null, a.cmdstr
+        test_varlist(pos_callback, strfun, cmd, fun, **kw)
+
+        def none(a):
+            assert hasattr(a, 'strfunction')
+            assert a.cmdstr is None, a.cmdstr
+        test_varlist(pos_callback, none, cmd, None, **kw)
+
+        """Test handling of bad cmdstrfunc arguments """
+        try:
+            a = SCons.Action.Action(cmd, [], **kw)
+        except SCons.Errors.UserError as e:
+            s = str(e)
+            m = 'Invalid command display variable'
+            assert s.find(m) != -1, 'Unexpected string:  %s' % s
+        else:
+            raise Exception("did not catch expected UserError")
+
+    return act
+
+class ActionTestCase(unittest.TestCase):
+    """Test the Action() factory function"""
+
+    def test_FunctionAction(self):
+        """Test the Action() factory's creation of FunctionAction objects
+        """
+        def foo():
+            pass
+
+        def func_action(a, foo=foo):
+            assert isinstance(a, SCons.Action.FunctionAction), a
+            assert a.execfunction == foo, a.execfunction
+        test_positional_args(func_action, foo)
+        # a singleton list returns the contained action
+        test_positional_args(func_action, [foo])
+
+    def test_CommandAction(self):
+        """Test the Action() factory's creation of CommandAction objects
+        """
+        def cmd_action(a):
+            assert isinstance(a, SCons.Action.CommandAction), a
+            assert a.cmd_list == "string", a.cmd_list
+        test_positional_args(cmd_action, "string")
+        # a singleton list returns the contained action
+        test_positional_args(cmd_action, ["string"])
+
+        try: unicode
+        except NameError: pass
+        else:
+            a2 = eval("SCons.Action.Action(u'string')")
+            assert isinstance(a2, SCons.Action.CommandAction), a2
+
+        def line_action(a):
+            assert isinstance(a, SCons.Action.CommandAction), a
+            assert a.cmd_list == [ "explicit", "command", "line" ], a.cmd_list
+        test_positional_args(line_action, [[ "explicit", "command", "line" ]])
+
+    def test_ListAction(self):
+        """Test the Action() factory's creation of ListAction objects
+        """
+        a1 = SCons.Action.Action(["x", "y", "z", [ "a", "b", "c"]])
+        assert isinstance(a1, SCons.Action.ListAction), a1
+        assert a1.varlist == (), a1.varlist
+        assert isinstance(a1.list[0], SCons.Action.CommandAction), a1.list[0]
+        assert a1.list[0].cmd_list == "x", a1.list[0].cmd_list
+        assert isinstance(a1.list[1], SCons.Action.CommandAction), a1.list[1]
+        assert a1.list[1].cmd_list == "y", a1.list[1].cmd_list
+        assert isinstance(a1.list[2], SCons.Action.CommandAction), a1.list[2]
+        assert a1.list[2].cmd_list == "z", a1.list[2].cmd_list
+        assert isinstance(a1.list[3], SCons.Action.CommandAction), a1.list[3]
+        assert a1.list[3].cmd_list == [ "a", "b", "c" ], a1.list[3].cmd_list
+
+        a2 = SCons.Action.Action("x\ny\nz")
+        assert isinstance(a2, SCons.Action.ListAction), a2
+        assert a2.varlist == (), a2.varlist
+        assert isinstance(a2.list[0], SCons.Action.CommandAction), a2.list[0]
+        assert a2.list[0].cmd_list == "x", a2.list[0].cmd_list
+        assert isinstance(a2.list[1], SCons.Action.CommandAction), a2.list[1]
+        assert a2.list[1].cmd_list == "y", a2.list[1].cmd_list
+        assert isinstance(a2.list[2], SCons.Action.CommandAction), a2.list[2]
+        assert a2.list[2].cmd_list == "z", a2.list[2].cmd_list
+
+        def foo():
+            pass
+
+        a3 = SCons.Action.Action(["x", foo, "z"])
+        assert isinstance(a3, SCons.Action.ListAction), a3
+        assert a3.varlist == (), a3.varlist
+        assert isinstance(a3.list[0], SCons.Action.CommandAction), a3.list[0]
+        assert a3.list[0].cmd_list == "x", a3.list[0].cmd_list
+        assert isinstance(a3.list[1], SCons.Action.FunctionAction), a3.list[1]
+        assert a3.list[1].execfunction == foo, a3.list[1].execfunction
+        assert isinstance(a3.list[2], SCons.Action.CommandAction), a3.list[2]
+        assert a3.list[2].cmd_list == "z", a3.list[2].cmd_list
+
+        a4 = SCons.Action.Action(["x", "y"], strfunction=foo)
+        assert isinstance(a4, SCons.Action.ListAction), a4
+        assert a4.varlist == (), a4.varlist
+        assert isinstance(a4.list[0], SCons.Action.CommandAction), a4.list[0]
+        assert a4.list[0].cmd_list == "x", a4.list[0].cmd_list
+        assert a4.list[0].strfunction == foo, a4.list[0].strfunction
+        assert isinstance(a4.list[1], SCons.Action.CommandAction), a4.list[1]
+        assert a4.list[1].cmd_list == "y", a4.list[1].cmd_list
+        assert a4.list[1].strfunction == foo, a4.list[1].strfunction
+
+        a5 = SCons.Action.Action("x\ny", strfunction=foo)
+        assert isinstance(a5, SCons.Action.ListAction), a5
+        assert a5.varlist == (), a5.varlist
+        assert isinstance(a5.list[0], SCons.Action.CommandAction), a5.list[0]
+        assert a5.list[0].cmd_list == "x", a5.list[0].cmd_list
+        assert a5.list[0].strfunction == foo, a5.list[0].strfunction
+        assert isinstance(a5.list[1], SCons.Action.CommandAction), a5.list[1]
+        assert a5.list[1].cmd_list == "y", a5.list[1].cmd_list
+        assert a5.list[1].strfunction == foo, a5.list[1].strfunction
+
+    def test_CommandGeneratorAction(self):
+        """Test the Action() factory's creation of CommandGeneratorAction objects
+        """
+        def foo(): pass
+
+        def gen_action(a, foo=foo):
+            assert isinstance(a, SCons.Action.CommandGeneratorAction), a
+            assert a.generator is foo, a.generator
+        test_positional_args(gen_action, foo, generator=1)
+
+    def test_LazyCmdGeneratorAction(self):
+        """Test the Action() factory's creation of lazy CommandGeneratorAction objects
+        """
+        def lazy_action(a):
+            assert isinstance(a, SCons.Action.LazyAction), a
+            assert a.var == "FOO", a.var
+            assert a.cmd_list == "${FOO}", a.cmd_list
+        test_positional_args(lazy_action, "$FOO")
+        test_positional_args(lazy_action, "${FOO}")
+
+    def test_no_action(self):
+        """Test when the Action() factory can't create an action object
+        """
+        try:
+            a5 = SCons.Action.Action(1)
+        except TypeError:
+            pass
+        else:
+            assert 0, "Should have thrown a TypeError creating Action from an int."
+
+    def test_reentrance(self):
+        """Test the Action() factory when the action is already an Action object
+        """
+        a1 = SCons.Action.Action("foo")
+        a2 = SCons.Action.Action(a1)
+        assert a2 is a1, a2
+
+class _ActionActionTestCase(unittest.TestCase):
+
+    def test__init__(self):
+        """Test creation of _ActionAction objects
+        """
+
+        def func1():
+            pass
+
+        def func2():
+            pass
+
+        def func3():
+            pass
+
+        a = SCons.Action._ActionAction()
+        assert not hasattr(a, 'strfunction')
+        assert a.cmdstr is _null, a.cmdstr
+        assert a.varlist == (), a.varlist
+        assert a.presub is _null, a.presub
+        assert a.chdir is None, a.chdir
+        assert a.exitstatfunc is SCons.Action.default_exitstatfunc, a.exitstatfunc
+
+        assert SCons.Action._ActionAction(kwarg = 1)
+        assert not hasattr(a, 'kwarg')
+        assert not hasattr(a, 'strfunction')
+        assert a.cmdstr is _null, a.cmdstr
+        assert a.varlist == (), a.varlist
+        assert a.presub is _null, a.presub
+        assert a.chdir is None, a.chdir
+        assert a.exitstatfunc is SCons.Action.default_exitstatfunc, a.exitstatfunc
+
+        a = SCons.Action._ActionAction(strfunction=func1)
+        assert a.strfunction is func1, a.strfunction
+
+        a = SCons.Action._ActionAction(strfunction=None)
+        assert not hasattr(a, 'strfunction')
+        assert a.cmdstr is None, a.cmdstr
+
+        a = SCons.Action._ActionAction(cmdstr='cmdstr')
+        assert not hasattr(a, 'strfunction')
+        assert a.cmdstr is 'cmdstr', a.cmdstr
+
+        a = SCons.Action._ActionAction(cmdstr=None)
+        assert not hasattr(a, 'strfunction')
+        assert a.cmdstr is None, a.cmdstr
+
+        t = ('a','b','c')
+        a = SCons.Action._ActionAction(varlist=t)
+        assert a.varlist == t, a.varlist
+
+        a = SCons.Action._ActionAction(presub=func1)
+        assert a.presub is func1, a.presub
+
+        a = SCons.Action._ActionAction(chdir=1)
+        assert a.chdir is 1, a.chdir
+
+        a = SCons.Action._ActionAction(exitstatfunc=func1)
+        assert a.exitstatfunc is func1, a.exitstatfunc
+
+        a = SCons.Action._ActionAction(
+                                 # alphabetical order ...
+                                 chdir='x',
+                                 cmdstr='cmdstr',
+                                 exitstatfunc=func3,
+                                 presub=func2,
+                                 strfunction=func1,
+                                 varlist=t,
+                          )
+        assert a.chdir is 'x', a.chdir
+        assert a.cmdstr is 'cmdstr', a.cmdstr
+        assert a.exitstatfunc is func3, a.exitstatfunc
+        assert a.presub is func2, a.presub
+        assert a.strfunction is func1, a.strfunction
+        assert a.varlist is t, a.varlist
+
+    def test_dup_keywords(self):
+        """Test handling of both cmdstr and strfunction arguments
+        """
+        def func(): pass
+        try:
+            a = SCons.Action.Action('foo', cmdstr='string', strfunction=func)
+        except SCons.Errors.UserError as e:
+            s = str(e)
+            m = 'Cannot have both strfunction and cmdstr args to Action()'
+            assert s.find(m) != -1, 'Unexpected string:  %s' % s
+        else:
+            raise Exception("did not catch expected UserError")
+
+    def test___cmp__(self):
+        """Test Action comparison
+        """
+        a1 = SCons.Action.Action("x")
+        a2 = SCons.Action.Action("x")
+        assert a1 == a2
+        a3 = SCons.Action.Action("y")
+        assert a1 != a3
+        assert a2 != a3
+
+    def test_print_cmd_lines(self):
+        """Test the print_cmd_lines() method
+        """
+        save_stdout = sys.stdout
+
+        try:
+            def execfunc(target, source, env):
+                pass
+            a = SCons.Action.Action(execfunc)
+
+            sio = io.StringIO()
+            sys.stdout = sio
+            a.print_cmd_line("foo bar", None, None, None)
+            s = sio.getvalue()
+            assert s == "foo bar\n", s
+
+        finally:
+            sys.stdout = save_stdout
+
+    def test___call__(self):
+        """Test calling an Action
+        """
+        save_stdout = sys.stdout
+
+        save_print_actions = SCons.Action.print_actions
+        save_print_actions_presub = SCons.Action.print_actions_presub
+        save_execute_actions = SCons.Action.execute_actions
+        #SCons.Action.print_actions = 0
+
+        test = TestCmd.TestCmd(workdir = '')
+        test.subdir('sub', 'xyz')
+        os.chdir(test.workpath())
+
+        try:
+            env = Environment()
+
+            def execfunc(target, source, env):
+                assert isinstance(target, list), type(target)
+                assert isinstance(source, list), type(source)
+                return 7
+            a = SCons.Action.Action(execfunc)
+
+            def firstfunc(target, source, env):
+                assert isinstance(target, list), type(target)
+                assert isinstance(source, list), type(source)
+                return 0
+            def lastfunc(target, source, env):
+                assert isinstance(target, list), type(target)
+                assert isinstance(source, list), type(source)
+                return 9
+            b = SCons.Action.Action([firstfunc, execfunc, lastfunc])
+
+            sio = io.StringIO()
+            sys.stdout = sio
+            result = a("out", "in", env)
+            assert result.status == 7, result
+            s = sio.getvalue()
+            assert s == "execfunc(['out'], ['in'])\n", s
+
+            a.chdir = 'xyz'
+            expect = "os.chdir(%s)\nexecfunc(['out'], ['in'])\nos.chdir(%s)\n"
+
+            sio = io.StringIO()
+            sys.stdout = sio
+            result = a("out", "in", env)
+            assert result.status == 7, result.status
+            s = sio.getvalue()
+            assert s == expect % (repr('xyz'), repr(test.workpath())), s
+
+            sio = io.StringIO()
+            sys.stdout = sio
+            result = a("out", "in", env, chdir='sub')
+            assert result.status == 7, result.status
+            s = sio.getvalue()
+            assert s == expect % (repr('sub'), repr(test.workpath())), s
+
+            a.chdir = None
+
+            sio = io.StringIO()
+            sys.stdout = sio
+            result = b("out", "in", env)
+            assert result.status == 7, result.status
+            s = sio.getvalue()
+            assert s == "firstfunc(['out'], ['in'])\nexecfunc(['out'], ['in'])\n", s
+
+            SCons.Action.execute_actions = 0
+
+            sio = io.StringIO()
+            sys.stdout = sio
+            result = a("out", "in", env)
+            assert result == 0, result
+            s = sio.getvalue()
+            assert s == "execfunc(['out'], ['in'])\n", s
+
+            sio = io.StringIO()
+            sys.stdout = sio
+            result = b("out", "in", env)
+            assert result == 0, result
+            s = sio.getvalue()
+            assert s == "firstfunc(['out'], ['in'])\nexecfunc(['out'], ['in'])\nlastfunc(['out'], ['in'])\n", s
+
+            SCons.Action.print_actions_presub = 1
+            SCons.Action.execute_actions = 1
+
+            sio = io.StringIO()
+            sys.stdout = sio
+            result = a("out", "in", env)
+            assert result.status == 7, result.status
+            s = sio.getvalue()
+            assert s == "Building out with action:\n  execfunc(target, source, env)\nexecfunc(['out'], ['in'])\n", s
+
+            sio = io.StringIO()
+            sys.stdout = sio
+            result = a("out", "in", env, presub=0)
+            assert result.status == 7, result.status
+            s = sio.getvalue()
+            assert s == "execfunc(['out'], ['in'])\n", s
+
+            sio = io.StringIO()
+            sys.stdout = sio
+            result = a("out", "in", env, presub=1)
+            assert result.status == 7, result.status
+            s = sio.getvalue()
+            assert s == "Building out with action:\n  execfunc(target, source, env)\nexecfunc(['out'], ['in'])\n", s
+
+            sio = io.StringIO()
+            sys.stdout = sio
+            result = b(["out"], "in", env, presub=1)
+            assert result.status == 7, result.status
+            s = sio.getvalue()
+            assert s == "Building out with action:\n  firstfunc(target, source, env)\nfirstfunc(['out'], ['in'])\nBuilding out with action:\n  execfunc(target, source, env)\nexecfunc(['out'], ['in'])\n", s
+
+            sio = io.StringIO()
+            sys.stdout = sio
+            result = b(["out", "list"], "in", env, presub=1)
+            assert result.status == 7, result.status
+            s = sio.getvalue()
+            assert s == "Building out and list with action:\n  firstfunc(target, source, env)\nfirstfunc(['out', 'list'], ['in'])\nBuilding out and list with action:\n  execfunc(target, source, env)\nexecfunc(['out', 'list'], ['in'])\n", s
+
+            a2 = SCons.Action.Action(execfunc)
+
+            sio = io.StringIO()
+            sys.stdout = sio
+            result = a2("out", "in", env)
+            assert result.status == 7, result.status
+            s = sio.getvalue()
+            assert s == "Building out with action:\n  execfunc(target, source, env)\nexecfunc(['out'], ['in'])\n", s
+
+            sio = io.StringIO()
+            sys.stdout = sio
+            result = a2("out", "in", env, presub=0)
+            assert result.status == 7, result.status
+            s = sio.getvalue()
+            assert s == "execfunc(['out'], ['in'])\n", s
+
+            SCons.Action.execute_actions = 0
+
+            sio = io.StringIO()
+            sys.stdout = sio
+            result = a2("out", "in", env, presub=0)
+            assert result == 0, result
+            s = sio.getvalue()
+            assert s == "execfunc(['out'], ['in'])\n", s
+
+            sio = io.StringIO()
+            sys.stdout = sio
+            result = a("out", "in", env, presub=0, execute=1, show=0)
+            assert result.status == 7, result.status
+            s = sio.getvalue()
+            assert s == '', s
+
+            sys.stdout = save_stdout
+            exitstatfunc_result = []
+
+            def exitstatfunc(stat, result=exitstatfunc_result):
+                result.append(stat)
+                return stat
+
+            result = a("out", "in", env, exitstatfunc=exitstatfunc)
+            assert result == 0, result
+            assert exitstatfunc_result == [], exitstatfunc_result
+
+            result = a("out", "in", env, execute=1, exitstatfunc=exitstatfunc)
+            assert result.status == 7, result.status
+            assert exitstatfunc_result == [7], exitstatfunc_result
+
+            SCons.Action.execute_actions = 1
+
+            result = []
+            def my_print_cmd_line(s, target, source, env, result=result):
+                result.append(s)
+            env['PRINT_CMD_LINE_FUNC'] = my_print_cmd_line
+            a("output", "input", env)
+            assert result == ["execfunc(['output'], ['input'])"], result
+
+
+        finally:
+            sys.stdout = save_stdout
+            SCons.Action.print_actions = save_print_actions
+            SCons.Action.print_actions_presub = save_print_actions_presub
+            SCons.Action.execute_actions = save_execute_actions
+
+    def test_presub_lines(self):
+        """Test the presub_lines() method
+        """
+        env = Environment()
+        a = SCons.Action.Action("x")
+        s = a.presub_lines(env)
+        assert s == ['x'], s
+
+        a = SCons.Action.Action(["y", "z"])
+        s = a.presub_lines(env)
+        assert s == ['y', 'z'], s
+
+        def func():
+            pass
+        a = SCons.Action.Action(func)
+        s = a.presub_lines(env)
+        assert s == ["func(target, source, env)"], s
+
+        def gen(target, source, env, for_signature):
+            return 'generat' + env.get('GEN', 'or')
+        a = SCons.Action.Action(gen, generator=1)
+        s = a.presub_lines(env)
+        assert s == ["generator"], s
+        s = a.presub_lines(Environment(GEN = 'ed'))
+        assert s == ["generated"], s
+
+        a = SCons.Action.Action("$ACT")
+        s = a.presub_lines(env)
+        assert s == [''], s
+        s = a.presub_lines(Environment(ACT = 'expanded action'))
+        assert s == ['expanded action'], s
+
+    def test_add(self):
+        """Test adding Actions to stuff."""
+        # Adding actions to other Actions or to stuff that can
+        # be converted into an Action should produce a ListAction
+        # containing all the Actions.
+        def bar():
+            return None
+        baz = SCons.Action.Action(bar, generator=1)
+        act1 = SCons.Action.Action('foo bar')
+        act2 = SCons.Action.Action([ 'foo', bar ])
+
+        sum = act1 + act2
+        assert isinstance(sum, SCons.Action.ListAction), str(sum)
+        assert len(sum.list) == 3, len(sum.list)
+        assert [isinstance(x, SCons.Action.ActionBase) for x in sum.list] == [ 1, 1, 1 ]
+
+        sum = act1 + act1
+        assert isinstance(sum, SCons.Action.ListAction), str(sum)
+        assert len(sum.list) == 2, len(sum.list)
+
+        sum = act2 + act2
+        assert isinstance(sum, SCons.Action.ListAction), str(sum)
+        assert len(sum.list) == 4, len(sum.list)
+
+        # Should also be able to add command generators to each other
+        # or to actions
+        sum = baz + baz
+        assert isinstance(sum, SCons.Action.ListAction), str(sum)
+        assert len(sum.list) == 2, len(sum.list)
+
+        sum = baz + act1
+        assert isinstance(sum, SCons.Action.ListAction), str(sum)
+        assert len(sum.list) == 2, len(sum.list)
+
+        sum = act2 + baz
+        assert isinstance(sum, SCons.Action.ListAction), str(sum)
+        assert len(sum.list) == 3, len(sum.list)
+
+        # Also should be able to add Actions to anything that can
+        # be converted into an action.
+        sum = act1 + bar
+        assert isinstance(sum, SCons.Action.ListAction), str(sum)
+        assert len(sum.list) == 2, len(sum.list)
+        assert isinstance(sum.list[1], SCons.Action.FunctionAction)
+
+        sum = 'foo bar' + act2
+        assert isinstance(sum, SCons.Action.ListAction), str(sum)
+        assert len(sum.list) == 3, len(sum.list)
+        assert isinstance(sum.list[0], SCons.Action.CommandAction)
+
+        sum = [ 'foo', 'bar' ] + act1
+        assert isinstance(sum, SCons.Action.ListAction), str(sum)
+        assert len(sum.list) == 3, sum.list
+        assert isinstance(sum.list[0], SCons.Action.CommandAction)
+        assert isinstance(sum.list[1], SCons.Action.CommandAction)
+
+        sum = act2 + [ baz, bar ]
+        assert isinstance(sum, SCons.Action.ListAction), str(sum)
+        assert len(sum.list) == 4, len(sum.list)
+        assert isinstance(sum.list[2], SCons.Action.CommandGeneratorAction)
+        assert isinstance(sum.list[3], SCons.Action.FunctionAction)
+
+        # OK to add None on either side (should be ignored)
+        sum = act1 + None
+        assert sum == act1
+
+        sum = None + act1
+        assert sum == act1
+
+        try:
+            sum = act2 + 1
+        except TypeError:
+            pass
+        else:
+            assert 0, "Should have thrown a TypeError adding to an int."
+
+        try:
+            sum = 1 + act2
+        except TypeError:
+            pass
+        else:
+            assert 0, "Should have thrown a TypeError adding to an int."
+
+class CommandActionTestCase(unittest.TestCase):
+
+    def test___init__(self):
+        """Test creation of a command Action
+        """
+        a = SCons.Action.CommandAction(["xyzzy"])
+        assert a.cmd_list == [ "xyzzy" ], a.cmd_list
+        assert a.cmdstr is _null, a.cmdstr
+
+        a = SCons.Action.CommandAction(["abra"], cmdstr="cadabra")
+        assert a.cmd_list == [ "abra" ], a.cmd_list
+        assert a.cmdstr == "cadabra", a.cmdstr
+
+    def test___str__(self):
+        """Test fetching the pre-substitution string for command Actions
+        """
+        env = Environment()
+        act = SCons.Action.CommandAction('xyzzy $TARGET $SOURCE')
+        s = str(act)
+        assert s == 'xyzzy $TARGET $SOURCE', s
+
+        act = SCons.Action.CommandAction(['xyzzy',
+                                          '$TARGET', '$SOURCE',
+                                          '$TARGETS', '$SOURCES'])
+        s = str(act)
+        assert s == "xyzzy $TARGET $SOURCE $TARGETS $SOURCES", s
+
+    def test_genstring(self):
+        """Test the genstring() method for command Actions
+        """
+
+        env = Environment()
+        t1 = DummyNode('t1')
+        t2 = DummyNode('t2')
+        s1 = DummyNode('s1')
+        s2 = DummyNode('s2')
+        act = SCons.Action.CommandAction('xyzzy $TARGET $SOURCE')
+        expect = 'xyzzy $TARGET $SOURCE'
+        s = act.genstring([], [], env)
+        assert s == expect, s
+        s = act.genstring([t1], [s1], env)
+        assert s == expect, s
+        s = act.genstring([t1, t2], [s1, s2], env)
+        assert s == expect, s
+
+        act = SCons.Action.CommandAction('xyzzy $TARGETS $SOURCES')
+        expect = 'xyzzy $TARGETS $SOURCES'
+        s = act.genstring([], [], env)
+        assert s == expect, s
+        s = act.genstring([t1], [s1], env)
+        assert s == expect, s
+        s = act.genstring([t1, t2], [s1, s2], env)
+        assert s == expect, s
+
+        act = SCons.Action.CommandAction(['xyzzy',
+                                          '$TARGET', '$SOURCE',
+                                          '$TARGETS', '$SOURCES'])
+        expect = "xyzzy $TARGET $SOURCE $TARGETS $SOURCES"
+        s = act.genstring([], [], env)
+        assert s == expect, s
+        s = act.genstring([t1], [s1], env)
+        assert s == expect, s
+        s = act.genstring([t1, t2], [s1, s2], env)
+        assert s == expect, s
+
+    def test_strfunction(self):
+        """Test fetching the string representation of command Actions
+        """
+
+        env = Environment()
+        t1 = DummyNode('t1')
+        t2 = DummyNode('t2')
+        s1 = DummyNode('s1')
+        s2 = DummyNode('s2')
+        act = SCons.Action.CommandAction('xyzzy $TARGET $SOURCE')
+        s = act.strfunction([], [], env)
+        assert s == 'xyzzy', s
+        s = act.strfunction([t1], [s1], env)
+        assert s == 'xyzzy t1 s1', s
+        s = act.strfunction([t1, t2], [s1, s2], env)
+        assert s == 'xyzzy t1 s1', s
+
+        act = SCons.Action.CommandAction('xyzzy $TARGET $SOURCE',
+                                         cmdstr='cmdstr - $SOURCE - $TARGET -')
+        s = act.strfunction([], [], env)
+        assert s == 'cmdstr -  -  -', s
+        s = act.strfunction([t1], [s1], env)
+        assert s == 'cmdstr - s1 - t1 -', s
+        s = act.strfunction([t1, t2], [s1, s2], env)
+        assert s == 'cmdstr - s1 - t1 -', s
+
+        act = SCons.Action.CommandAction('xyzzy $TARGETS $SOURCES')
+        s = act.strfunction([], [], env)
+        assert s == 'xyzzy', s
+        s = act.strfunction([t1], [s1], env)
+        assert s == 'xyzzy t1 s1', s
+        s = act.strfunction([t1, t2], [s1, s2], env)
+        assert s == 'xyzzy t1 t2 s1 s2', s
+
+        act = SCons.Action.CommandAction('xyzzy $TARGETS $SOURCES',
+                                         cmdstr='cmdstr = $SOURCES = $TARGETS =')
+        s = act.strfunction([], [], env)
+        assert s == 'cmdstr =  =  =', s
+        s = act.strfunction([t1], [s1], env)
+        assert s == 'cmdstr = s1 = t1 =', s
+        s = act.strfunction([t1, t2], [s1, s2], env)
+        assert s == 'cmdstr = s1 s2 = t1 t2 =', s
+
+        act = SCons.Action.CommandAction(['xyzzy',
+                                          '$TARGET', '$SOURCE',
+                                          '$TARGETS', '$SOURCES'])
+        s = act.strfunction([], [], env)
+        assert s == 'xyzzy', s
+        s = act.strfunction([t1], [s1], env)
+        assert s == 'xyzzy t1 s1 t1 s1', s
+        s = act.strfunction([t1, t2], [s1, s2], env)
+        assert s == 'xyzzy t1 s1 t1 t2 s1 s2', s
+
+        act = SCons.Action.CommandAction('xyzzy $TARGETS $SOURCES',
+                                         cmdstr='cmdstr\t$TARGETS\n$SOURCES   ')
+
+        s = act.strfunction([], [], env)
+        assert s == 'cmdstr\t\n   ', s
+        s = act.strfunction([t1], [s1], env)
+        assert s == 'cmdstr\tt1\ns1   ', s
+        s = act.strfunction([t1, t2], [s1, s2], env)
+        assert s == 'cmdstr\tt1 t2\ns1 s2   ', s
+
+        def sf(target, source, env):
+            return "sf was called"
+        act = SCons.Action.CommandAction('foo', strfunction=sf)
+        s = act.strfunction([], [], env)
+        assert s == "sf was called", s
+
+        class actclass1(object):
+            def __init__(self, targets, sources, env):
+                pass
+            def __call__(self):
+                return 1
+        class actclass2(object):
+            def __init__(self, targets, sources, env):
+                self.strfunction = 5
+            def __call__(self):
+                return 2
+        class actclass3(object):
+            def __init__(self, targets, sources, env):
+                pass
+            def __call__(self):
+                return 3
+            def strfunction(self, targets, sources, env):
+                return 'actclass3 on %s to get %s'%(str(sources[0]),
+                                                    str(targets[0]))
+        class actclass4(object):
+            def __init__(self, targets, sources, env):
+                pass
+            def __call__(self):
+                return 4
+            strfunction = None
+
+        act1 = SCons.Action.Action(actclass1([t1], [s1], env))
+        s = act1.strfunction([t1], [s1], env)
+        assert s == 'actclass1(["t1"], ["s1"])', s
+
+        act2 = SCons.Action.Action(actclass2([t1], [s1], env))
+        s = act2.strfunction([t1], [s1], env)
+        assert s == 'actclass2(["t1"], ["s1"])', s
+
+        act3 = SCons.Action.Action(actclass3([t1], [s1], env))
+        s = act3.strfunction([t1], [s1], env)
+        assert s == 'actclass3 on s1 to get t1', s
+
+        act4 = SCons.Action.Action(actclass4([t1], [s1], env))
+        s = act4.strfunction([t1], [s1], env)
+        assert s is None, s
+
+        act = SCons.Action.CommandAction("@foo bar")
+        s = act.strfunction([], [], env)
+        assert s == "", s
+
+        act = SCons.Action.CommandAction("@-foo bar")
+        s = act.strfunction([], [], env)
+        assert s == "", s
+
+        act = SCons.Action.CommandAction("-@foo bar")
+        s = act.strfunction([], [], env)
+        assert s == "", s
+
+        act = SCons.Action.CommandAction("-foo bar")
+        s = act.strfunction([], [], env)
+        assert s == "foo bar", s
+
+        act = SCons.Action.CommandAction("@ foo bar")
+        s = act.strfunction([], [], env)
+        assert s == "", s
+
+        act = SCons.Action.CommandAction("@- foo bar")
+        s = act.strfunction([], [], env)
+        assert s == "", s
+
+        act = SCons.Action.CommandAction("-@ foo bar")
+        s = act.strfunction([], [], env)
+        assert s == "", s
+
+        act = SCons.Action.CommandAction("- foo bar")
+        s = act.strfunction([], [], env)
+        assert s == "foo bar", s
+
+    def test_execute(self):
+        """Test execution of command Actions
+
+        """
+        try:
+            env = self.env
+        except AttributeError:
+            env = Environment()
+
+        cmd1 = r'%s %s %s xyzzy' % (_python_, act_py, outfile)
+
+        act = SCons.Action.CommandAction(cmd1)
+        r = act([], [], env.Clone())
+        assert r == 0
+        c = test.read(outfile, 'r')
+        assert c == "act.py: 'xyzzy'\n", c
+
+        cmd2 = r'%s %s %s $TARGET' % (_python_, act_py, outfile)
+
+        act = SCons.Action.CommandAction(cmd2)
+        r = act(DummyNode('foo'), [], env.Clone())
+        assert r == 0
+        c = test.read(outfile, 'r')
+        assert c == "act.py: 'foo'\n", c
+
+        cmd3 = r'%s %s %s ${TARGETS}' % (_python_, act_py, outfile)
+
+        act = SCons.Action.CommandAction(cmd3)
+        r = act(list(map(DummyNode, ['aaa', 'bbb'])), [], env.Clone())
+        assert r == 0
+        c = test.read(outfile, 'r')
+        assert c == "act.py: 'aaa' 'bbb'\n", c
+
+        cmd4 = r'%s %s %s $SOURCES' % (_python_, act_py, outfile)
+
+        act = SCons.Action.CommandAction(cmd4)
+        r = act([], [DummyNode('one'), DummyNode('two')], env.Clone())
+        assert r == 0
+        c = test.read(outfile, 'r')
+        assert c == "act.py: 'one' 'two'\n", c
+
+        cmd4 = r'%s %s %s ${SOURCES[:2]}' % (_python_, act_py, outfile)
+
+        act = SCons.Action.CommandAction(cmd4)
+        sources = [DummyNode('three'), DummyNode('four'), DummyNode('five')]
+        env2 = env.Clone()
+        r = act([], source = sources, env = env2)
+        assert r == 0
+        c = test.read(outfile, 'r')
+        assert c == "act.py: 'three' 'four'\n", c
+
+        cmd5 = r'%s %s %s $TARGET XYZZY' % (_python_, act_py, outfile)
+
+        act = SCons.Action.CommandAction(cmd5)
+        env5 = Environment()
+        if 'ENV' in scons_env:
+            env5['ENV'] = scons_env['ENV']
+            PATH = scons_env['ENV'].get('PATH', '')
+        else:
+            env5['ENV'] = {}
+            PATH = ''
+
+        env5['ENV']['XYZZY'] = 'xyzzy'
+        r = act(target = DummyNode('out5'), source = [], env = env5)
+
+        act = SCons.Action.CommandAction(cmd5)
+        r = act(target = DummyNode('out5'),
+                source = [],
+                env = env.Clone(ENV = {'XYZZY' : 'xyzzy5',
+                                      'PATH' : PATH}))
+        assert r == 0
+        c = test.read(outfile, 'r')
+        assert c == "act.py: 'out5' 'XYZZY'\nact.py: 'xyzzy5'\n", c
+
+        class Obj(object):
+            def __init__(self, str):
+                self._str = str
+            def __str__(self):
+                return self._str
+            def rfile(self):
+                return self
+            def get_subst_proxy(self):
+                return self
+
+        cmd6 = r'%s %s %s ${TARGETS[1]} $TARGET ${SOURCES[:2]}' % (_python_, act_py, outfile)
+
+        act = SCons.Action.CommandAction(cmd6)
+        r = act(target = [Obj('111'), Obj('222')],
+                        source = [Obj('333'), Obj('444'), Obj('555')],
+                        env = env.Clone())
+        assert r == 0
+        c = test.read(outfile, 'r')
+        assert c == "act.py: '222' '111' '333' '444'\n", c
+
+        if os.name == 'nt':
+            # NT treats execs of directories and non-executable files
+            # as "file not found" errors
+            expect_nonexistent = 1
+            expect_nonexecutable_file = 1
+            expect_nonexecutable_dir = 1
+        elif sys.platform == 'cygwin':
+            expect_nonexistent = 127
+            # Newer cygwin seems to return 126 for following
+            expect_nonexecutable_file = 126
+            expect_nonexecutable_dir  = 127
+        elif sys.platform.find('sunos') != -1:
+            expect_nonexistent = 1
+            expect_nonexecutable_file = 1
+            expect_nonexecutable_dir = 1
+        else:
+            expect_nonexistent = 127
+            expect_nonexecutable_file = 126
+            expect_nonexecutable_dir  = 126
+
+        # Test that a nonexistent command returns 127
+        act = SCons.Action.CommandAction(python + "_no_such_command_")
+        r = act([], [], env.Clone(out = outfile))
+        assert r.status == expect_nonexistent, r.status
+
+        # Test that trying to execute a directory returns 126
+        dir, tail = os.path.split(python)
+        act = SCons.Action.CommandAction(dir)
+        r = act([], [], env.Clone(out = outfile))
+        assert r.status == expect_nonexecutable_file, r.status
+
+        # Test that trying to execute a non-executable file returns 126
+        act = SCons.Action.CommandAction(outfile)
+        r = act([], [], env.Clone(out = outfile))
+        assert r.status == expect_nonexecutable_dir, r.status
+
+        act = SCons.Action.CommandAction('%s %s 1' % (_python_, exit_py))
+        r = act([], [], env)
+        assert r.status == 1, r.status
+
+        act = SCons.Action.CommandAction('@%s %s 1' % (_python_, exit_py))
+        r = act([], [], env)
+        assert r.status == 1, r.status
+
+        act = SCons.Action.CommandAction('@-%s %s 1' % (_python_, exit_py))
+        r = act([], [], env)
+        assert r == 0, r
+
+        act = SCons.Action.CommandAction('-%s %s 1' % (_python_, exit_py))
+        r = act([], [], env)
+        assert r == 0, r
+
+        act = SCons.Action.CommandAction('@ %s %s 1' % (_python_, exit_py))
+        r = act([], [], env)
+        assert r.status == 1, r.status
+
+        act = SCons.Action.CommandAction('@- %s %s 1' % (_python_, exit_py))
+        r = act([], [], env)
+        assert r == 0, r
+
+        act = SCons.Action.CommandAction('- %s %s 1' % (_python_, exit_py))
+        r = act([], [], env)
+        assert r == 0, r
+
+    def test_set_handler(self):
+        """Test setting the command handler...
+        """
+        class Test(object):
+            def __init__(self):
+                self.executed = 0
+        t=Test()
+        def func(sh, escape, cmd, args, env, test=t):
+            test.executed = args
+            test.shell = sh
+            return 0
+        def escape_func(cmd):
+            return '**' + cmd + '**'
+
+        class LiteralStr(object):
+            def __init__(self, x):
+                self.data = x
+            def __str__(self):
+                return self.data
+            def escape(self, escape_func):
+                return escape_func(self.data)
+            def is_literal(self):
+                return 1
+
+        a = SCons.Action.CommandAction(["xyzzy"])
+        e = Environment(SPAWN = func)
+        a([], [], e)
+        assert t.executed == [ 'xyzzy' ], t.executed
+
+        a = SCons.Action.CommandAction(["xyzzy"])
+        e = Environment(SPAWN = '$FUNC', FUNC = func)
+        a([], [], e)
+        assert t.executed == [ 'xyzzy' ], t.executed
+
+        a = SCons.Action.CommandAction(["xyzzy"])
+        e = Environment(SPAWN = func, SHELL = 'fake shell')
+        a([], [], e)
+        assert t.executed == [ 'xyzzy' ], t.executed
+        assert t.shell == 'fake shell', t.shell
+
+        a = SCons.Action.CommandAction([ LiteralStr("xyzzy") ])
+        e = Environment(SPAWN = func, ESCAPE = escape_func)
+        a([], [], e)
+        assert t.executed == [ '**xyzzy**' ], t.executed
+
+    def test_get_contents(self):
+        """Test fetching the contents of a command Action
+        """
+        def CmdGen(target, source, env, for_signature):
+            assert for_signature
+            return "%s %s" % \
+                   (env["foo"], env["bar"])
+
+        # The number 1 is there to make sure all args get converted to strings.
+        a = SCons.Action.CommandAction(["|", "$(", "$foo", "|", "$(", "$bar",
+                                        "$)", "stuff",  "$)", "|", "$baz", 1])
+        c = a.get_contents(target=[], source=[],
+                           env=Environment(foo = 'FFF', bar = 'BBB',
+                                           baz = CmdGen))
+        assert c == b"| | FFF BBB 1", c
+
+        # Make sure that CommandActions use an Environment's
+        # subst_target_source() method for substitution.
+        class SpecialEnvironment(Environment):
+            def subst_target_source(self, strSubst, raw=0, target=[], source=[]):
+                return 'subst_target_source: ' + strSubst
+
+        c = a.get_contents(target=DummyNode('ttt'), source = DummyNode('sss'),
+                           env=SpecialEnvironment(foo = 'GGG', bar = 'CCC',
+                                                  baz = 'ZZZ'))
+        assert c == b'subst_target_source: | $( $foo | $( $bar $) stuff $) | $baz 1', c
+
+        # We've discussed using the real target and source names in a
+        # CommandAction's signature contents.  This would have have the
+        # advantage of recompiling when a file's name changes (keeping
+        # debug info current), but it would currently break repository
+        # logic that will change the file name based on whether the
+        # files come from a repository or locally.  If we ever move to
+        # that scheme, then all of the '__t1__' and '__s6__' file names
+        # in the asserts below would change to 't1' and 's6' and the
+        # like.
+        t = list(map(DummyNode, ['t1', 't2', 't3', 't4', 't5', 't6']))
+        s = list(map(DummyNode, ['s1', 's2', 's3', 's4', 's5', 's6']))
+        env = Environment()
+
+        a = SCons.Action.CommandAction(["$TARGET"])
+        c = a.get_contents(target=t, source=s, env=env)
+        assert c == b"t1", c
+
+        a = SCons.Action.CommandAction(["$TARGETS"])
+        c = a.get_contents(target=t, source=s, env=env)
+        assert c == b"t1 t2 t3 t4 t5 t6", c
+
+        a = SCons.Action.CommandAction(["${TARGETS[2]}"])
+        c = a.get_contents(target=t, source=s, env=env)
+        assert c == b"t3", c
+
+        a = SCons.Action.CommandAction(["${TARGETS[3:5]}"])
+        c = a.get_contents(target=t, source=s, env=env)
+        assert c == b"t4 t5", c
+
+        a = SCons.Action.CommandAction(["$SOURCE"])
+        c = a.get_contents(target=t, source=s, env=env)
+        assert c == b"s1", c
+
+        a = SCons.Action.CommandAction(["$SOURCES"])
+        c = a.get_contents(target=t, source=s, env=env)
+        assert c == b"s1 s2 s3 s4 s5 s6", c
+
+        a = SCons.Action.CommandAction(["${SOURCES[2]}"])
+        c = a.get_contents(target=t, source=s, env=env)
+        assert c == b"s3", c
+
+        a = SCons.Action.CommandAction(["${SOURCES[3:5]}"])
+        c = a.get_contents(target=t, source=s, env=env)
+        assert c == b"s4 s5", c
+
+class CommandGeneratorActionTestCase(unittest.TestCase):
+
+    def factory(self, act, **kw):
+        """Pass any keywords as a dict"""
+        return SCons.Action.CommandGeneratorAction(act, kw)
+
+    def test___init__(self):
+        """Test creation of a command generator Action
+        """
+        def f(target, source, env):
+            pass
+        a = self.factory(f)
+        assert a.generator == f
+
+    def test___str__(self):
+        """Test the pre-substitution strings for command generator Actions
+        """
+        def f(target, source, env, for_signature, self=self):
+
+            # See if "env" is really a construction environment (or
+            # looks like one) by accessing the FindIxes attribute.
+            # (The Tool/mingw.py module has a generator that uses this,
+            # and the __str__() method used to cause problems by passing
+            # us a regular dictionary as a fallback.)
+
+            env.FindIxes
+            return "FOO"
+        a = self.factory(f)
+        s = str(a)
+        assert s == 'FOO', s
+
+    def test_genstring(self):
+        """Test the command generator Action genstring() method
+        """
+        def f(target, source, env, for_signature, self=self):
+            dummy = env['dummy']
+            self.dummy = dummy
+            return "$FOO $TARGET $SOURCE $TARGETS $SOURCES"
+        a = self.factory(f)
+        self.dummy = 0
+        s = a.genstring([], [], env=Environment(FOO='xyzzy', dummy=1))
+        assert self.dummy == 1, self.dummy
+        assert s == "$FOO $TARGET $SOURCE $TARGETS $SOURCES", s
+
+    def test_execute(self):
+        """Test executing a command generator Action
+        """
+
+        def f(target, source, env, for_signature, self=self):
+            dummy = env['dummy']
+            self.dummy = dummy
+            s = env.subst("$FOO")
+            assert s == 'foo baz\nbar ack', s
+            return "$FOO"
+        def func_action(target, source, env, self=self):
+            dummy=env['dummy']
+            s = env.subst('$foo')
+            assert s == 'bar', s
+            self.dummy=dummy
+        def f2(target, source, env, for_signature, f=func_action):
+            return f
+        def ch(sh, escape, cmd, args, env, self=self):
+            self.cmd.append(cmd)
+            self.args.append(args)
+
+        a = self.factory(f)
+        self.dummy = 0
+        self.cmd = []
+        self.args = []
+        a([], [], env=Environment(FOO = 'foo baz\nbar ack',
+                                          dummy = 1,
+                                          SPAWN = ch))
+        assert self.dummy == 1, self.dummy
+        assert self.cmd == ['foo', 'bar'], self.cmd
+        assert self.args == [[ 'foo', 'baz' ], [ 'bar', 'ack' ]], self.args
+
+        b = self.factory(f2)
+        self.dummy = 0
+        b(target=[], source=[], env=Environment(foo =  'bar',
+                                                        dummy =  2 ))
+        assert self.dummy==2, self.dummy
+        del self.dummy
+
+        class DummyFile(object):
+            def __init__(self, t):
+                self.t = t
+            def rfile(self):
+                self.t.rfile_called = 1
+                return self
+            def get_subst_proxy(self):
+                return self
+        def f3(target, source, env, for_signature):
+            return ''
+        c = self.factory(f3)
+        c(target=[], source=DummyFile(self), env=Environment())
+        assert self.rfile_called
+
+    def test_get_contents(self):
+        """Test fetching the contents of a command generator Action
+        """
+        def f(target, source, env, for_signature):
+            foo = env['foo']
+            bar = env['bar']
+            assert for_signature, for_signature
+            return [["guux", foo, "$(", "$ignore", "$)", bar,
+                     '${test("$( foo $bar $)")}' ]]
+
+        def test(mystr):
+            assert mystr == "$( foo $bar $)", mystr
+            return "test"
+
+        env = Environment(foo = 'FFF', bar =  'BBB',
+                          ignore = 'foo', test=test)
+        a = self.factory(f)
+        c = a.get_contents(target=[], source=[], env=env)
+        assert c == b"guux FFF BBB test", c
+
+    def test_get_contents_of_function_action(self):
+        """Test contents of a CommandGeneratorAction-generated FunctionAction
+        """
+
+        def LocalFunc():
+            pass
+
+        # Since the python bytecode has per version differences, we need different expected results per version
+        func_matches = {
+            (2,7) : bytearray(b'0, 0, 0, 0,(),(),(d\x00\x00S),(),()'),
+            (3,5) : bytearray(b'0, 0, 0, 0,(),(),(d\x00\x00S),(),()'),
+            (3,6) : bytearray(b'0, 0, 0, 0,(),(),(d\x00S\x00),(),()'),
+        }
+
+        meth_matches = [
+            b"1, 1, 0, 0,(),(),(d\000\000S),(),()",
+            b"1, 1, 0, 0,(),(),(d\x00\x00S),(),()",
+        ]
+
+        def f_global(target, source, env, for_signature):
+            return SCons.Action.Action(GlobalFunc)
+
+        def f_local(target, source, env, for_signature):
+            return SCons.Action.Action(LocalFunc)
+
+        env = Environment(XYZ = 'foo')
+
+        a = self.factory(f_global)
+        c = a.get_contents(target=[], source=[], env=env)
+        assert c == func_matches[sys.version_info[:2]], "Got\n"+repr(c)+"\nExpected \n"+repr(func_matches[sys.version_info[:2]])
+
+        a = self.factory(f_local)
+        c = a.get_contents(target=[], source=[], env=env)
+        assert c == func_matches[sys.version_info[:2]], "Got\n"+repr(c)+"\nExpected \n"+repr(func_matches[sys.version_info[:2]])
+
+        def f_global(target, source, env, for_signature):
+            return SCons.Action.Action(GlobalFunc, varlist=['XYZ'])
+
+        def f_local(target, source, env, for_signature):
+            return SCons.Action.Action(LocalFunc, varlist=['XYZ'])
+
+        matches_foo = func_matches[sys.version_info[:2]] + b'foo'
+
+        a = self.factory(f_global)
+        c = a.get_contents(target=[], source=[], env=env)
+        assert c in matches_foo, repr(c)
+
+        a = self.factory(f_local)
+        c = a.get_contents(target=[], source=[], env=env)
+        assert c in matches_foo, repr(c)
+
+
+class FunctionActionTestCase(unittest.TestCase):
+
+    def test___init__(self):
+        """Test creation of a function Action
+        """
+        def func1():
+            pass
+        def func2():
+            pass
+        def func3():
+            pass
+        def func4():
+            pass
+
+        a = SCons.Action.FunctionAction(func1, {})
+        assert a.execfunction == func1, a.execfunction
+        assert isinstance(a.strfunction, types.MethodType), type(a.strfunction)
+
+        a = SCons.Action.FunctionAction(func2, { 'strfunction' : func3 })
+        assert a.execfunction == func2, a.execfunction
+        assert a.strfunction == func3, a.strfunction
+
+    def test___str__(self):
+        """Test the __str__() method for function Actions
+        """
+        def func1():
+            pass
+        a = SCons.Action.FunctionAction(func1, {})
+        s = str(a)
+        assert s == "func1(target, source, env)", s
+
+        class class1(object):
+            def __call__(self):
+                pass
+        a = SCons.Action.FunctionAction(class1(), {})
+        s = str(a)
+        assert s == "class1(target, source, env)", s
+
+    def test_execute(self):
+        """Test executing a function Action
+        """
+        self.inc = 0
+        def f(target, source, env):
+            s = env['s']
+            s.inc = s.inc + 1
+            s.target = target
+            s.source=source
+            assert env.subst("$BAR") == 'foo bar', env.subst("$BAR")
+            return 0
+        a = SCons.Action.FunctionAction(f, {})
+        a(target=1, source=2, env=Environment(BAR = 'foo bar',
+                                                      s = self))
+        assert self.inc == 1, self.inc
+        assert self.source == [2], self.source
+        assert self.target == [1], self.target
+
+        global count
+        count = 0
+        def function1(target, source, env):
+            global count
+            count = count + 1
+            for t in target:
+                with open(t, 'w') as f:
+                    f.write("function1\n")
+            return 1
+
+        act = SCons.Action.FunctionAction(function1, {})
+        r = act(target = [outfile, outfile2], source=[], env=Environment())
+        assert r.status == 1, r.status
+
+        assert count == 1, count
+        c = test.read(outfile, 'r')
+        assert c == "function1\n", c
+        c = test.read(outfile2, 'r')
+        assert c == "function1\n", c
+
+        class class1a(object):
+            def __init__(self, target, source, env):
+                with open(env['out'], 'w') as f:
+                    f.write("class1a\n")
+
+        act = SCons.Action.FunctionAction(class1a, {})
+        r = act([], [], Environment(out = outfile))
+        assert isinstance(r.status, class1a), r.status
+        c = test.read(outfile, 'r')
+        assert c == "class1a\n", c
+
+        class class1b(object):
+            def __call__(self, target, source, env):
+                with open(env['out'], 'w') as f:
+                    f.write("class1b\n")
+                return 2
+
+        act = SCons.Action.FunctionAction(class1b(), {})
+        r = act([], [], Environment(out = outfile))
+        assert r.status == 2, r.status
+        c = test.read(outfile, 'r')
+        assert c == "class1b\n", c
+
+        def build_it(target, source, env, executor=None, self=self):
+            self.build_it = 1
+            return 0
+        def string_it(target, source, env, executor=None, self=self):
+            self.string_it = 1
+            return None
+        act = SCons.Action.FunctionAction(build_it,
+                                          { 'strfunction' : string_it })
+        r = act([], [], Environment())
+        assert r == 0, r
+        assert self.build_it
+        assert self.string_it
+
+    def test_get_contents(self):
+        """Test fetching the contents of a function Action
+        """
+
+        def LocalFunc():
+            pass
+
+        func_matches = {
+            (2,7) : bytearray(b'0, 0, 0, 0,(),(),(d\x00\x00S),(),()'),
+            (3,5) : bytearray(b'0, 0, 0, 0,(),(),(d\x00\x00S),(),()'),
+            (3,6) : bytearray(b'0, 0, 0, 0,(),(),(d\x00S\x00),(),()'),
+        }
+
+        meth_matches = {
+            (2,7) : bytearray(b'1, 1, 0, 0,(),(),(d\x00\x00S),(),()'),
+            (3,5) : bytearray(b'1, 1, 0, 0,(),(),(d\x00\x00S),(),()'),
+            (3,6) : bytearray(b'1, 1, 0, 0,(),(),(d\x00S\x00),(),()'),
+        }
+
+        def factory(act, **kw):
+            return SCons.Action.FunctionAction(act, kw)
+
+        a = factory(GlobalFunc)
+        c = a.get_contents(target=[], source=[], env=Environment())
+        assert c == func_matches[sys.version_info[:2]], "Got\n"+repr(c)+"\nExpected one of \n"+repr(func_matches[sys.version_info[:2]])
+
+
+        a = factory(LocalFunc)
+        c = a.get_contents(target=[], source=[], env=Environment())
+        assert c == func_matches[sys.version_info[:2]], "Got\n"+repr(c)+"\nExpected one of \n"+repr(func_matches[sys.version_info[:2]])
+
+        matches_foo = func_matches[sys.version_info[:2]] + b'foo'
+
+        a = factory(GlobalFunc, varlist=['XYZ'])
+        c = a.get_contents(target=[], source=[], env=Environment())
+        assert c == func_matches[sys.version_info[:2]], "Got\n"+repr(c)+"\nExpected one of \n"+repr(func_matches[sys.version_info[:2]])
+        # assert c in func_matches, repr(c)
+
+        c = a.get_contents(target=[], source=[], env=Environment(XYZ='foo'))
+        assert c == matches_foo, repr(c)
+
+        ##TODO: is this set of tests still needed?
+        # Make sure a bare string varlist works
+        a = factory(GlobalFunc, varlist='XYZ')
+        c = a.get_contents(target=[], source=[], env=Environment())
+        # assert c in func_matches, repr(c)
+        assert c == func_matches[sys.version_info[:2]], "Got\n"+repr(c)+"\nExpected one of \n"+repr(func_matches[sys.version_info[:2]])
+
+
+        c = a.get_contents(target=[], source=[], env=Environment(XYZ='foo'))
+        assert c in matches_foo, repr(c)
+
+        class Foo(object):
+            def get_contents(self, target, source, env):
+                return b'xyzzy'
+        a = factory(Foo())
+        c = a.get_contents(target=[], source=[], env=Environment())
+        assert c == b'xyzzy', repr(c)
+
+        class LocalClass(object):
+            def LocalMethod(self):
+                pass
+        lc = LocalClass()
+        a = factory(lc.LocalMethod)
+        c = a.get_contents(target=[], source=[], env=Environment())
+        assert c == meth_matches[sys.version_info[:2]],  "Got\n"+repr(c)+"\nExpected one of \n"+repr(meth_matches[sys.version_info[:2]])
+
+    def test_strfunction(self):
+        """Test the FunctionAction.strfunction() method
+        """
+        def func():
+            pass
+
+        def factory(act, **kw):
+            return SCons.Action.FunctionAction(act, kw)
+
+        a = factory(func)
+        s = a.strfunction(target=[], source=[], env=Environment())
+        assert s == 'func([], [])', s
+
+        a = factory(func, strfunction=None)
+        s = a.strfunction(target=[], source=[], env=Environment())
+        assert s is None, s
+
+        a = factory(func, cmdstr='function')
+        s = a.strfunction(target=[], source=[], env=Environment())
+        assert s == 'function', s
+
+class ListActionTestCase(unittest.TestCase):
+
+    def test___init__(self):
+        """Test creation of a list of subsidiary Actions
+        """
+        def func():
+            pass
+        a = SCons.Action.ListAction(["x", func, ["y", "z"]])
+        assert isinstance(a.list[0], SCons.Action.CommandAction)
+        assert isinstance(a.list[1], SCons.Action.FunctionAction)
+        assert isinstance(a.list[2], SCons.Action.ListAction)
+        assert a.list[2].list[0].cmd_list == 'y'
+
+    def test___str__(self):
+        """Test the __str__() method for a list of subsidiary Actions
+        """
+        def f(target,source,env):
+            pass
+        def g(target,source,env):
+            pass
+        a = SCons.Action.ListAction([f, g, "XXX", f])
+        s = str(a)
+        assert s == "f(target, source, env)\ng(target, source, env)\nXXX\nf(target, source, env)", s
+
+    def test_genstring(self):
+        """Test the genstring() method for a list of subsidiary Actions
+        """
+        def f(target,source,env):
+            pass
+        def g(target,source,env,for_signature):
+            return 'generated %s %s' % (target[0], source[0])
+        g = SCons.Action.Action(g, generator=1)
+        a = SCons.Action.ListAction([f, g, "XXX", f])
+        s = a.genstring(['foo.x'], ['bar.y'], Environment())
+        assert s == "f(target, source, env)\ngenerated foo.x bar.y\nXXX\nf(target, source, env)", s
+
+    def test_execute(self):
+        """Test executing a list of subsidiary Actions
+        """
+        self.inc = 0
+        def f(target,source,env):
+            s = env['s']
+            s.inc = s.inc + 1
+        a = SCons.Action.ListAction([f, f, f])
+        a([], [], Environment(s = self))
+        assert self.inc == 3, self.inc
+
+        cmd2 = r'%s %s %s syzygy' % (_python_, act_py, outfile)
+
+        def function2(target, source, env):
+            with open(env['out'], 'a') as f:
+                f.write("function2\n")
+            return 0
+
+        class class2a(object):
+            def __call__(self, target, source, env):
+                with open(env['out'], 'a') as f:
+                    f.write("class2a\n")
+                return 0
+
+        class class2b(object):
+            def __init__(self, target, source, env):
+                with open(env['out'], 'a') as f:
+                    f.write("class2b\n")
+        act = SCons.Action.ListAction([cmd2, function2, class2a(), class2b])
+        r = act([], [], Environment(out = outfile))
+        assert isinstance(r.status, class2b), r.status
+        c = test.read(outfile, 'r')
+        assert c == "act.py: 'syzygy'\nfunction2\nclass2a\nclass2b\n", c
+
+    def test_get_contents(self):
+        """Test fetching the contents of a list of subsidiary Actions
+        """
+        self.foo=0
+        def gen(target, source, env, for_signature):
+            s = env['s']
+            s.foo=1
+            return "y"
+        a = SCons.Action.ListAction(["x",
+                                     SCons.Action.Action(gen, generator=1),
+                                     "z"])
+        c = a.get_contents(target=[], source=[], env=Environment(s = self))
+        assert self.foo==1, self.foo
+        assert c == b"xyz", c
+
+class LazyActionTestCase(unittest.TestCase):
+    def test___init__(self):
+        """Test creation of a lazy-evaluation Action
+        """
+        # Environment variable references should create a special type
+        # of LazyAction that lazily evaluates the variable for whether
+        # it's a string or something else before doing anything.
+        a9 = SCons.Action.Action('$FOO')
+        assert isinstance(a9, SCons.Action.LazyAction), a9
+        assert a9.var == 'FOO', a9.var
+
+        a10 = SCons.Action.Action('${FOO}')
+        assert isinstance(a10, SCons.Action.LazyAction), a10
+        assert a10.var == 'FOO', a10.var
+
+    def test_genstring(self):
+        """Test the lazy-evaluation Action genstring() method
+        """
+        def f(target, source, env):
+            pass
+        a = SCons.Action.Action('$BAR')
+        env1 = Environment(BAR=f, s=self)
+        env2 = Environment(BAR='xxx', s=self)
+        s = a.genstring([], [], env=env1)
+        assert s == "f(target, source, env)", s
+        s = a.genstring([], [], env=env2)
+        assert s == 'xxx', s
+
+    def test_execute(self):
+        """Test executing a lazy-evaluation Action
+        """
+        def f(target, source, env):
+            s = env['s']
+            s.test=1
+            return 0
+        a = SCons.Action.Action('$BAR')
+        a([], [], env=Environment(BAR = f, s = self))
+        assert self.test == 1, self.test
+        cmd = r'%s %s %s lazy' % (_python_, act_py, outfile)
+        a([], [], env=Environment(BAR = cmd, s = self))
+        c = test.read(outfile, 'r')
+        assert c == "act.py: 'lazy'\n", c
+
+    def test_get_contents(self):
+        """Test fetching the contents of a lazy-evaluation Action
+        """
+        a = SCons.Action.Action("${FOO}")
+        env = Environment(FOO = [["This", "is", "a", "test"]])
+        c = a.get_contents(target=[], source=[], env=env)
+        assert c == b"This is a test", c
+
+    def test_get_contents_of_function_action(self):
+        """Test fetching the contents of a lazy-evaluation FunctionAction
+        """
+
+        def LocalFunc():
+            pass
+
+
+        func_matches = {
+            (2,7) : bytearray(b'0, 0, 0, 0,(),(),(d\x00\x00S),(),()'),
+            (3,5) : bytearray(b'0, 0, 0, 0,(),(),(d\x00\x00S),(),()'),
+            (3,6) : bytearray(b'0, 0, 0, 0,(),(),(d\x00S\x00),(),()'),
+        }
+
+        meth_matches = [
+            b"1, 1, 0, 0,(),(),(d\000\000S),(),()",
+            b"1, 1, 0, 0,(),(),(d\x00\x00S),(),()",
+        ]
+
+        def factory(act, **kw):
+            return SCons.Action.FunctionAction(act, kw)
+
+
+        a = SCons.Action.Action("${FOO}")
+
+        env = Environment(FOO = factory(GlobalFunc))
+        c = a.get_contents(target=[], source=[], env=env)
+        # assert c in func_matches, "Got\n"+repr(c)+"\nExpected one of \n"+"\n".join([repr(f) for f in func_matches])
+        assert c == func_matches[sys.version_info[:2]], "Got\n"+repr(c)+"\nExpected one of \n"+repr(func_matches[sys.version_info[:2]])
+
+
+
+        env = Environment(FOO = factory(LocalFunc))
+        c = a.get_contents(target=[], source=[], env=env)
+        assert c == func_matches[sys.version_info[:2]], "Got\n"+repr(c)+"\nExpected one of \n"+repr(func_matches[sys.version_info[:2]])
+
+        # matches_foo = [x + b"foo" for x in func_matches]
+        matches_foo = func_matches[sys.version_info[:2]] + b'foo'
+
+
+        env = Environment(FOO = factory(GlobalFunc, varlist=['XYZ']))
+        c = a.get_contents(target=[], source=[], env=env)
+        assert c == func_matches[sys.version_info[:2]], "Got\n"+repr(c)+"\nExpected one of \n"+repr(func_matches[sys.version_info[:2]])
+
+        env['XYZ'] = 'foo'
+        c = a.get_contents(target=[], source=[], env=env)
+        assert c in matches_foo, repr(c)
+
+
+class ActionCallerTestCase(unittest.TestCase):
+    def test___init__(self):
+        """Test creation of an ActionCaller"""
+        ac = SCons.Action.ActionCaller(1, [2, 3], {'FOO' : 4, 'BAR' : 5})
+        assert ac.parent == 1, ac.parent
+        assert ac.args == [2, 3], ac.args
+        assert ac.kw == {'FOO' : 4, 'BAR' : 5}, ac.kw
+
+    def test_get_contents(self):
+        """Test fetching the contents of an ActionCaller"""
+        def strfunc():
+            pass
+
+        def LocalFunc():
+            pass
+
+
+        matches = {
+            (2,7) : b'd\x00\x00S',
+            (3,5) : b'd\x00\x00S',
+            (3,6) : b'd\x00S\x00',
+        }
+
+
+        af = SCons.Action.ActionFactory(GlobalFunc, strfunc)
+        ac = SCons.Action.ActionCaller(af, [], {})
+        c = ac.get_contents([], [], Environment())
+        assert c == matches[sys.version_info[:2]], "Got\n"+repr(c)+"\nExpected one of \n"+repr(matches[sys.version_info[:2]])
+
+        af = SCons.Action.ActionFactory(LocalFunc, strfunc)
+        ac = SCons.Action.ActionCaller(af, [], {})
+        c = ac.get_contents([], [], Environment())
+        assert c == matches[sys.version_info[:2]], "Got\n"+repr(c)+"\nExpected one of \n"+repr(matches[sys.version_info[:2]])
+
+        class LocalActFunc(object):
+            def __call__(self):
+                pass
+
+        af = SCons.Action.ActionFactory(GlobalActFunc(), strfunc)
+        ac = SCons.Action.ActionCaller(af, [], {})
+        c = ac.get_contents([], [], Environment())
+        assert c == matches[sys.version_info[:2]], "Got\n"+repr(c)+"\nExpected one of \n"+repr(matches[sys.version_info[:2]])
+
+        af = SCons.Action.ActionFactory(LocalActFunc(), strfunc)
+        ac = SCons.Action.ActionCaller(af, [], {})
+        c = ac.get_contents([], [], Environment())
+        assert c == matches[sys.version_info[:2]], "Got\n"+repr(c)+"\nExpected one of \n"+repr(matches[sys.version_info[:2]])
+
+        matches = [
+            b"<built-in function str>",
+            b"<type 'str'>",
+        ]
+
+        af = SCons.Action.ActionFactory(str, strfunc)
+        ac = SCons.Action.ActionCaller(af, [], {})
+        c = ac.get_contents([], [], Environment())
+        assert c == "<built-in function str>" or \
+               c == "<type 'str'>" or \
+               c == "<class 'str'>", repr(c)
+        # ^^ class str for python3
+
+    def test___call__(self):
+        """Test calling an ActionCaller"""
+        actfunc_args = []
+        def actfunc(a1, a2, a3, args=actfunc_args):
+            args.extend([a1, a2, a3])
+        def strfunc(a1, a2, a3):
+            pass
+
+        e = Environment(FOO = 2, BAR = 5)
+
+        af = SCons.Action.ActionFactory(actfunc, strfunc)
+        ac = SCons.Action.ActionCaller(af, ['$__env__', '$FOO', 3], {})
+        ac([], [], e)
+        assert actfunc_args[0] is e, actfunc_args
+        assert actfunc_args[1] == '2', actfunc_args
+        assert actfunc_args[2] == 3, actfunc_args
+        del actfunc_args[:]
+
+        ac = SCons.Action.ActionCaller(af, [], {'a3' : '$__env__', 'a2' : '$BAR', 'a1' : 4})
+        ac([], [], e)
+        assert actfunc_args[0] == 4, actfunc_args
+        assert actfunc_args[1] == '5', actfunc_args
+        assert actfunc_args[2] is e, actfunc_args
+        del actfunc_args[:]
+
+    def test_strfunction(self):
+        """Test calling the ActionCaller strfunction() method"""
+        strfunc_args = []
+        def actfunc(a1, a2, a3, a4):
+            pass
+        def strfunc(a1, a2, a3, a4, args=strfunc_args):
+            args.extend([a1, a2, a3, a4])
+
+        af = SCons.Action.ActionFactory(actfunc, strfunc)
+        ac = SCons.Action.ActionCaller(af, [1, '$FOO', 3, '$WS'], {})
+        ac.strfunction([], [], Environment(FOO = 2, WS='white   space'))
+        assert strfunc_args == [1, '2', 3, 'white   space'], strfunc_args
+
+        del strfunc_args[:]
+        d = {'a3' : 6, 'a2' : '$BAR', 'a1' : 4, 'a4' : '$WS'}
+        ac = SCons.Action.ActionCaller(af, [], d)
+        ac.strfunction([], [], Environment(BAR = 5, WS='w   s'))
+        assert strfunc_args == [4, '5', 6, 'w   s'], strfunc_args
+
+class ActionFactoryTestCase(unittest.TestCase):
+    def test___init__(self):
+        """Test creation of an ActionFactory"""
+        def actfunc():
+            pass
+        def strfunc():
+            pass
+        ac = SCons.Action.ActionFactory(actfunc, strfunc)
+        assert ac.actfunc is actfunc, ac.actfunc
+        assert ac.strfunc is strfunc, ac.strfunc
+
+    def test___call__(self):
+        """Test calling whatever's returned from an ActionFactory"""
+        actfunc_args = []
+        strfunc_args = []
+        def actfunc(a1, a2, a3, args=actfunc_args):
+            args.extend([a1, a2, a3])
+        def strfunc(a1, a2, a3, args=strfunc_args):
+            args.extend([a1, a2, a3])
+        af = SCons.Action.ActionFactory(actfunc, strfunc)
+        af(3, 6, 9)([], [], Environment())
+        assert actfunc_args == [3, 6, 9], actfunc_args
+        assert strfunc_args == [3, 6, 9], strfunc_args
+
+
+class ActionCompareTestCase(unittest.TestCase):
+
+    def test_1_solo_name(self):
+        """Test Lazy Cmd Generator Action get_name alone.
+
+        Basically ensures we can locate the builder, comparing it to
+        itself along the way."""
+        bar = SCons.Builder.Builder(action = {})
+        env = Environment( BUILDERS = {'BAR' : bar} )
+        name = bar.get_name(env)
+        assert name == 'BAR', name
+
+    def test_2_multi_name(self):
+        """Test LazyCmdGenerator Action get_name multi builders.
+
+        Ensure that we can compare builders (and thereby actions) to
+        each other safely."""
+        foo = SCons.Builder.Builder(action = '$FOO', suffix = '.foo')
+        bar = SCons.Builder.Builder(action = {})
+        assert foo != bar
+        assert foo.action != bar.action
+        env = Environment( BUILDERS = {'FOO' : foo,
+                                       'BAR' : bar} )
+        name = foo.get_name(env)
+        assert name == 'FOO', name
+        name = bar.get_name(env)
+        assert name == 'BAR', name
+
+    def test_3_dict_names(self):
+        """Test Action/Suffix dicts with get_name.
+
+        Verifies that Action/Suffix dictionaries work correctly,
+        especially two builders that can generate the same suffix,
+        where one of the builders has a suffix dictionary with a None
+        key."""
+
+        foo = SCons.Builder.Builder(action = '$FOO', suffix = '.foo')
+        bar = SCons.Builder.Builder(action = {}, suffix={None:'.bar'})
+        bar.add_action('.cow', "$MOO")
+        dog = SCons.Builder.Builder(suffix = '.bar')
+
+        env = Environment( BUILDERS = {'FOO' : foo,
+                                       'BAR' : bar,
+                                       'DOG' : dog} )
+
+        assert foo.get_name(env) == 'FOO', foo.get_name(env)
+        assert bar.get_name(env) == 'BAR', bar.get_name(env)
+        assert dog.get_name(env) == 'DOG', dog.get_name(env)
+
+
+class TestClass(object):
+    """A test class used by ObjectContentsTestCase.test_object_contents"""
+    def __init__(self):
+        self.a = "a"
+        self.b = "b"
+    def method(self, arg):
+        pass
+
+
+class ObjectContentsTestCase(unittest.TestCase):
+
+    def test_function_contents(self):
+        """Test that Action._function_contents works"""
+
+        def func1(a, b, c):
+            """A test function"""
+            return a
+
+        # Since the python bytecode has per version differences, we need different expected results per version
+        expected = {
+            (2,7) : bytearray(b'3, 3, 0, 0,(),(),(|\x00\x00S),(),()'),
+            (3,5) : bytearray(b'3, 3, 0, 0,(),(),(|\x00\x00S),(),()'),
+            (3,6) : bytearray(b'3, 3, 0, 0,(),(),(|\x00S\x00),(),()'),
+        }
+
+        c = SCons.Action._function_contents(func1)
+        assert c == expected[sys.version_info[:2]], "Got\n"+repr(c)+"\nExpected \n"+"\n"+repr(expected[sys.version_info[:2]])
+
+
+    def test_object_contents(self):
+        """Test that Action._object_contents works"""
+
+        # See definition above
+        o = TestClass()
+        c = SCons.Action._object_contents(o)
+
+        # c = SCons.Action._object_instance_content(o)
+
+        # Since the python bytecode has per version differences, we need different expected results per version
+        expected = {
+            (2,7): bytearray(b"{TestClass:__main__}[[[(<type \'object\'>, ()), [(<class \'__main__.TestClass\'>, (<type \'object\'>,))]]]]{{1, 1, 0, 0,(a,b),(a,b),(d\x01\x00|\x00\x00_\x00\x00d\x02\x00|\x00\x00_\x01\x00d\x00\x00S),(),(),2, 2, 0, 0,(),(),(d\x00\x00S),(),()}}{{{a=a,b=b}}}"),
+            (3,5): bytearray(b"{TestClass:__main__}[[[(<class \'object\'>, ()), [(<class \'__main__.TestClass\'>, (<class \'object\'>,))]]]]{{1, 1, 0, 0,(a,b),(a,b),(d\x01\x00|\x00\x00_\x00\x00d\x02\x00|\x00\x00_\x01\x00d\x00\x00S),(),(),2, 2, 0, 0,(),(),(d\x00\x00S),(),()}}{{{a=a,b=b}}}"),
+            (3,6): bytearray(b"{TestClass:__main__}[[[(<class \'object\'>, ()), [(<class \'__main__.TestClass\'>, (<class \'object\'>,))]]]]{{1, 1, 0, 0,(a,b),(a,b),(d\x01|\x00_\x00d\x02|\x00_\x01d\x00S\x00),(),(),2, 2, 0, 0,(),(),(d\x00S\x00),(),()}}{{{a=a,b=b}}}"),
+        }
+
+        assert c == expected[sys.version_info[:2]], "Got\n"+repr(c)+"\nExpected \n"+"\n"+repr(expected[sys.version_info[:2]])
+
+    def test_code_contents(self):
+        """Test that Action._code_contents works"""
+
+        code = compile("print('Hello, World!')", '<string>', 'exec')
+        c = SCons.Action._code_contents(code)
+
+        # Since the python bytecode has per version differences, we need different expected results per version
+        expected = {
+            (2,7) : bytearray(b'0, 0, 0, 0,(N.),(),(d\x00\x00GHd\x01\x00S)'),
+            (3,5) : bytearray(b'0, 0, 0, 0,(N.),(print),(e\x00\x00d\x00\x00\x83\x01\x00\x01d\x01\x00S)'),
+            (3,6) : bytearray(b'0, 0, 0, 0,(N.),(print),(e\x00d\x00\x83\x01\x01\x00d\x01S\x00)'),
+        }
+
+        assert c == expected[sys.version_info[:2]], "Got\n"+repr(c)+"\nExpected \n"+"\n"+expected[sys.version_info[:2]]
+
+
+
+if __name__ == "__main__":
+    suite = unittest.TestSuite()
+    tclasses = [ _ActionActionTestCase,
+                 ActionTestCase,
+                 CommandActionTestCase,
+                 CommandGeneratorActionTestCase,
+                 FunctionActionTestCase,
+                 ListActionTestCase,
+                 LazyActionTestCase,
+                 ActionCallerTestCase,
+                 ActionFactoryTestCase,
+                 ActionCompareTestCase,
+                 ObjectContentsTestCase ]
+    for tclass in tclasses:
+        names = unittest.getTestCaseNames(tclass, 'test_')
+        suite.addTests(list(map(tclass, names)))
+
+    TestUnit.run(suite)
+
+    # Swap this for above to debug otherwise you can't run individual tests as TestUnit is swallowing arguments
+    # unittest.main()
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4: