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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

import SCons.compat

import collections
import os
import sys
import unittest

import TestCmd
import TestUnit

import SCons.Node.FS
import SCons.Scanner.LaTeX

test = TestCmd.TestCmd(workdir = '')

test.write('test1.latex',"""
\include{inc1}
\input{inc2}
include{incNO}
%\include{incNO}
xyzzy \include{inc6}
\subimport{subdir}{inc3}
\import{subdir}{inc3a}
\includefrom{subdir}{inc3b}
\subincludefrom{subdir}{inc3c}
\inputfrom{subdir}{inc3d}
\subinputfrom{subdir}{inc3e}
""")

test.write('test2.latex',"""
\include{inc1}
\include{inc3}
""")

test.write('test3.latex',"""
\includegraphics{inc4.eps}
\includegraphics[width=60mm]{inc5.xyz}
""")

test.subdir('subdir')

test.write('inc1.tex',"\n")
test.write('inc2.tex',"\n")
test.write(['subdir', 'inc3.tex'], "\n")
for suffix in 'abcde':
    test.write(['subdir', 'inc3%s.tex' % suffix], "\n")
test.write(['subdir', 'inc3b.tex'], "\n")
test.write(['subdir', 'inc3c.tex'], "\n")
test.write(['subdir', 'inc4.eps'], "\n")
test.write('inc5.xyz', "\n")
test.write('inc6.tex', "\n")
test.write('incNO.tex', "\n")

# define some helpers:
#   copied from CTest.py
class DummyEnvironment(collections.UserDict):
    def __init__(self, **kw):
        collections.UserDict.__init__(self)
        self.data.update(kw)
        self.fs = SCons.Node.FS.FS(test.workpath(''))

    def Dictionary(self, *args):
        return self.data

    def subst(self, strSubst, target=None, source=None, conv=None):
        if strSubst[0] == '$':
            return self.data[strSubst[1:]]
        return strSubst

    def subst_list(self, strSubst, target=None, source=None, conv=None):
        if strSubst[0] == '$':
            return [self.data[strSubst[1:]]]
        return [[strSubst]]

    def subst_path(self, path, target=None, source=None, conv=None):
        if not isinstance(path, list):
            path = [path]
        return list(map(self.subst, path))

    def get_calculator(self):
        return None

    def get_factory(self, factory):
        return factory or self.fs.File

    def Dir(self, filename):
        return self.fs.Dir(filename)

    def File(self, filename):
        return self.fs.File(filename)

if os.path.normcase('foo') == os.path.normcase('FOO'):
    my_normpath = os.path.normcase
else:
    my_normpath = os.path.normpath

def deps_match(self, deps, headers):
    global my_normpath
    scanned = list(map(my_normpath, list(map(str, deps))))
    expect = list(map(my_normpath, headers))
    self.failUnless(scanned == expect, "expect %s != scanned %s" % (expect, scanned))


class LaTeXScannerTestCase1(unittest.TestCase):
    def runTest(self):
        env = DummyEnvironment(LATEXSUFFIXES = [".tex", ".ltx", ".latex"])
        s = SCons.Scanner.LaTeX.LaTeXScanner()
        path = s.path(env)
        deps = s(env.File('test1.latex'), env, path)
        headers = ['inc1.tex', 'inc2.tex', 'inc6.tex',
                   'subdir/inc3.tex', 'subdir/inc3a.tex',
                   'subdir/inc3b.tex', 'subdir/inc3c.tex',
                   'subdir/inc3d.tex', 'subdir/inc3e.tex']
        deps_match(self, deps, headers)

class LaTeXScannerTestCase2(unittest.TestCase):
     def runTest(self):
         env = DummyEnvironment(TEXINPUTS=[test.workpath("subdir")],LATEXSUFFIXES = [".tex", ".ltx", ".latex"])
         s = SCons.Scanner.LaTeX.LaTeXScanner()
         path = s.path(env)
         deps = s(env.File('test2.latex'), env, path)
         headers = ['inc1.tex', 'subdir/inc3.tex']
         deps_match(self, deps, headers)

class LaTeXScannerTestCase3(unittest.TestCase):
     def runTest(self):
         env = DummyEnvironment(TEXINPUTS=[test.workpath("subdir")],LATEXSUFFIXES = [".tex", ".ltx", ".latex"])
         s = SCons.Scanner.LaTeX.LaTeXScanner()
         path = s.path(env)
         deps = s(env.File('test3.latex'), env, path)
         files = ['inc5.xyz', 'subdir/inc4.eps']
         deps_match(self, deps, files)


def suite():
    suite = unittest.TestSuite()
    suite.addTest(LaTeXScannerTestCase1())
    suite.addTest(LaTeXScannerTestCase2())
    suite.addTest(LaTeXScannerTestCase3())
    return suite

if __name__ == "__main__":
    TestUnit.run(suite())

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