#
# Copyright (c) 2001, 2002 Steven Knight
#
# 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__"

import os
import os.path
import sys
import unittest

import SCons.Scanner.Fortran
import SCons.Node.FS
import SCons.Warnings

import TestCmd

original = os.getcwd()

test = TestCmd.TestCmd(workdir = '')

os.chdir(test.workpath(''))

# create some source files and headers:

test.write('fff1.f',"""
      PROGRAM FOO
      INCLUDE 'f1.f'
      INCLUDE 'f2.f'
      STOP
      END
""")

test.write('fff2.f',"""
      PROGRAM FOO
      INCLUDE 'f2.f'
      INCLUDE 'd1/f2.f'
      INCLUDE 'd2/f2.f'
      STOP
      END
""")

test.write('fff3.f',"""
      PROGRAM FOO
      INCLUDE 'f3.f' ; INCLUDE\t'd1/f3.f'
      STOP
      END
""")


# for Emacs -> "

test.subdir('d1', ['d1', 'd2'])

headers = ['fi.f', 'never.f',
           'd1/f1.f', 'd1/f2.f', 'd1/f3.f', 'd1/fi.f',
           'd1/d2/f1.f', 'd1/d2/f2.f', 'd1/d2/f3.f',
           'd1/d2/f4.f', 'd1/d2/fi.f']

for h in headers:
    test.write(h, "\n")


test.subdir('include', 'subdir', ['subdir', 'include'])

test.write('fff4.f',"""
      PROGRAM FOO
      INCLUDE 'f4.f'
      STOP
      END
""")

test.write('include/f4.f', "\n")
test.write('subdir/include/f4.f', "\n")

test.write('fff5.f',"""
      PROGRAM FOO
      INCLUDE 'f5.f'
      INCLUDE 'not_there.f'
      STOP
      END
""")

test.write('f5.f', "\n")

test.subdir('repository', ['repository', 'include'],
            [ 'repository', 'src' ])
test.subdir('work', ['work', 'src'])

test.write(['repository', 'include', 'iii.f'], "\n")

test.write(['work', 'src', 'fff.f'], """
      PROGRAM FOO
      INCLUDE 'iii.f'
      INCLUDE 'jjj.f'
      STOP
      END
""")

test.write([ 'work', 'src', 'aaa.f'], """
      PROGRAM FOO
      INCLUDE 'bbb.f'
      STOP
      END
""")

test.write([ 'work', 'src', 'bbb.f'], "\n")

test.write([ 'repository', 'src', 'ccc.f'], """
      PROGRAM FOO
      INCLUDE 'ddd.f'
      STOP
      END
""")

test.write([ 'repository', 'src', 'ddd.f'], "\n")

# define some helpers:

class DummyEnvironment:
    def __init__(self, listCppPath):
        self.path = listCppPath
        
    def Dictionary(self, *args):
        if not args:
            return { 'F77PATH': self.path }
        elif len(args) == 1 and args[0] == 'F77PATH':
            return self.path
        else:
            raise KeyError, "Dummy environment only has F77PATH attribute."

    def has_key(self, key):
        return self.Dictionary().has_key(key)

    def __getitem__(self,key):
        return self.Dictionary()[key]

    def __setitem__(self,key,value):
        self.Dictionary()[key] = value

    def __delitem__(self,key):
        del self.Dictionary()[key]

    def subst(self, arg):
        return arg

def deps_match(self, deps, headers):
    scanned = map(os.path.normpath, map(str, deps))
    expect = map(os.path.normpath, headers)
    self.failUnless(scanned == expect, "expect %s != scanned %s" % (expect, scanned))

def make_node(filename, fs=SCons.Node.FS.default_fs):
    return fs.File(test.workpath(filename))

# define some tests:

class FortranScannerTestCase1(unittest.TestCase):
    def runTest(self):
        test.write('f1.f', "\n")
        test.write('f2.f', "      INCLUDE 'fi.f'\n")
        env = DummyEnvironment([])
        s = SCons.Scanner.Fortran.FortranScan()
        path = s.path(env)
        fs = SCons.Node.FS.FS(original)
        deps = s(make_node('fff1.f', fs), env, path)
        headers = ['f1.f', 'f2.f']
        deps_match(self, deps, map(test.workpath, headers))
        test.unlink('f1.f')
        test.unlink('f2.f')

class FortranScannerTestCase2(unittest.TestCase):
    def runTest(self):
        test.write('f1.f', "\n")
        test.write('f2.f', "      INCLUDE 'fi.f'\n")
        env = DummyEnvironment([test.workpath("d1")])
        s = SCons.Scanner.Fortran.FortranScan()
        path = s.path(env)
        fs = SCons.Node.FS.FS(original)
        deps = s(make_node('fff1.f', fs), env, path)
        headers = ['f1.f', 'f2.f']
        deps_match(self, deps, map(test.workpath, headers))
        test.unlink('f1.f')
        test.unlink('f2.f')

class FortranScannerTestCase3(unittest.TestCase):
    def runTest(self):
        env = DummyEnvironment([test.workpath("d1")])
        s = SCons.Scanner.Fortran.FortranScan()
        path = s.path(env)
        fs = SCons.Node.FS.FS(original)
        deps = s(make_node('fff1.f', fs), env, path)
        headers = ['d1/f1.f', 'd1/f2.f']
        deps_match(self, deps, map(test.workpath, headers))

class FortranScannerTestCase4(unittest.TestCase):
    def runTest(self):
        test.write(['d1', 'f2.f'], "      INCLUDE 'fi.f'\n")
        env = DummyEnvironment([test.workpath("d1")])
        s = SCons.Scanner.Fortran.FortranScan()
        path = s.path(env)
        fs = SCons.Node.FS.FS(original)
        deps = s(make_node('fff1.f', fs), env, path)
        headers = ['d1/f1.f', 'd1/f2.f']
        deps_match(self, deps, map(test.workpath, headers))
        test.write(['d1', 'f2.f'], "\n")

class FortranScannerTestCase5(unittest.TestCase):
    def runTest(self):
        env = DummyEnvironment([test.workpath("d1")])
        s = SCons.Scanner.Fortran.FortranScan()
        path = s.path(env)
        fs = SCons.Node.FS.FS(original)
        deps = s(make_node('fff2.f', fs), env, path)
        headers = ['d1/d2/f2.f', 'd1/f2.f', 'd1/f2.f']
        deps_match(self, deps, map(test.workpath, headers))

class FortranScannerTestCase6(unittest.TestCase):
    def runTest(self):
        test.write('f2.f', "\n")
        env = DummyEnvironment([test.workpath("d1")])
        s = SCons.Scanner.Fortran.FortranScan()
        path = s.path(env)
        fs = SCons.Node.FS.FS(original)
        deps = s(make_node('fff2.f', fs), env, path)
        headers =  ['d1/d2/f2.f', 'd1/f2.f', 'f2.f']
        deps_match(self, deps, map(test.workpath, headers))
        test.unlink('f2.f')

class FortranScannerTestCase7(unittest.TestCase):
    def runTest(self):
        env = DummyEnvironment([test.workpath("d1/d2"), test.workpath("d1")])
        s = SCons.Scanner.Fortran.FortranScan()
        path = s.path(env)
        fs = SCons.Node.FS.FS(original)
        deps = s(make_node('fff2.f', fs), env, path)
        headers =  ['d1/d2/f2.f', 'd1/d2/f2.f', 'd1/f2.f']
        deps_match(self, deps, map(test.workpath, headers))

class FortranScannerTestCase8(unittest.TestCase):
    def runTest(self):
        test.write('f2.f', "\n")
        env = DummyEnvironment([test.workpath("d1/d2"), test.workpath("d1")])
        s = SCons.Scanner.Fortran.FortranScan()
        path = s.path(env)
        fs = SCons.Node.FS.FS(original)
        deps = s(make_node('fff2.f', fs), env, path)
        headers =  ['d1/d2/f2.f', 'd1/f2.f', 'f2.f']
        deps_match(self, deps, map(test.workpath, headers))
        test.unlink('f2.f')
        
class FortranScannerTestCase9(unittest.TestCase):
    def runTest(self):
        test.write('f3.f', "\n")
        env = DummyEnvironment([])
        s = SCons.Scanner.Fortran.FortranScan()
        path = s.path(env)

        n = make_node('fff3.f')
        def my_rexists(s=n):
            s.rexists_called = 1
            return s.old_rexists()
        setattr(n, 'old_rexists', n.rexists)
        setattr(n, 'rexists', my_rexists)

        deps = s(n, env, path)
        
        # Make sure rexists() got called on the file node being
        # scanned, essential for cooperation with BuildDir functionality.
        assert n.rexists_called
        
        headers =  ['d1/f3.f', 'f3.f']
        deps_match(self, deps, map(test.workpath, headers))
        test.unlink('f3.f')

class FortranScannerTestCase10(unittest.TestCase):
    def runTest(self):
        fs = SCons.Node.FS.FS(test.workpath(''))
        env = DummyEnvironment(["include"])
        s = SCons.Scanner.Fortran.FortranScan(fs = fs)
        path = s.path(env)
        deps1 = s(fs.File('fff4.f'), env, path)
        fs.chdir(fs.Dir('subdir'))
        dir = fs.getcwd()
        fs.chdir(fs.Dir('..'))
        path = s.path(env, dir)
        deps2 = s(fs.File('#fff4.f'), env, path)
        headers1 =  ['include/f4.f']
        headers2 =  ['subdir/include/f4.f']
        deps_match(self, deps1, headers1)
        deps_match(self, deps2, headers2)

class FortranScannerTestCase11(unittest.TestCase):
    def runTest(self):
        SCons.Warnings.enableWarningClass(SCons.Warnings.DependencyWarning)
        class TestOut:
            def __call__(self, x):
                self.out = x

        to = TestOut()
        to.out = None
        SCons.Warnings._warningOut = to
        fs = SCons.Node.FS.FS(test.workpath(''))
        env = DummyEnvironment([])
        s = SCons.Scanner.Fortran.FortranScan(fs=fs)
        path = s.path(env)
        deps = s(fs.File('fff5.f'), env, path)

        # Did we catch the warning from not finding not_there.f?
        assert to.out
        
        deps_match(self, deps, [ 'f5.f' ])

class FortranScannerTestCase12(unittest.TestCase):
    def runTest(self):
        fs = SCons.Node.FS.FS(test.workpath(''))
        fs.chdir(fs.Dir('include'))
        env = DummyEnvironment([])
        s = SCons.Scanner.Fortran.FortranScan(fs=fs)
        path = s.path(env)
        test.write('include/fff4.f', test.read('fff4.f'))
        deps = s(fs.File('#include/fff4.f'), env, path)
        deps_match(self, deps, ['include/f4.f'])
        test.unlink('include/fff4.f')

class FortranScannerTestCase13(unittest.TestCase):
    def runTest(self):
        os.chdir(test.workpath('work'))
        fs = SCons.Node.FS.FS(test.workpath('work'))
        fs.Repository(test.workpath('repository'))

        # Create a derived file in a directory that does not exist yet.
        # This was a bug at one time.
        f1=fs.File('include2/jjj.f')
        f1.builder=1
        env = DummyEnvironment(['include','include2'])
        s = SCons.Scanner.Fortran.FortranScan(fs=fs)
        path = s.path(env)
        deps = s(fs.File('src/fff.f'), env, path)
        deps_match(self, deps, [test.workpath('repository/include/iii.f'), 'include2/jjj.f'])
        os.chdir(test.workpath(''))

class FortranScannerTestCase14(unittest.TestCase):
    def runTest(self):
        os.chdir(test.workpath('work'))
        fs = SCons.Node.FS.FS(test.workpath('work'))
        fs.BuildDir('build1', 'src', 1)
        fs.BuildDir('build2', 'src', 0)
        fs.Repository(test.workpath('repository'))
        env = DummyEnvironment([])
        s = SCons.Scanner.Fortran.FortranScan(fs = fs)
        path = s.path(env)
        deps1 = s(fs.File('build1/aaa.f'), env, path)
        deps_match(self, deps1, [ 'build1/bbb.f' ])
        deps2 = s(fs.File('build2/aaa.f'), env, path)
        deps_match(self, deps2, [ 'src/bbb.f' ])
        deps3 = s(fs.File('build1/ccc.f'), env, path)
        deps_match(self, deps3, [ 'build1/ddd.f' ])
        deps4 = s(fs.File('build2/ccc.f'), env, path)
        deps_match(self, deps4, [ test.workpath('repository/src/ddd.f') ])
        os.chdir(test.workpath(''))

class FortranScannerTestCase15(unittest.TestCase):
    def runTest(self):
        class SubstEnvironment(DummyEnvironment):
            def subst(self, arg, test=test):
                return test.workpath("d1")
        test.write(['d1', 'f2.f'], "      INCLUDE 'fi.f'\n")
        env = SubstEnvironment(["junk"])
        s = SCons.Scanner.Fortran.FortranScan()
        path = s.path(env)
        fs = SCons.Node.FS.FS(original)
        deps = s(make_node('fff1.f', fs), env, path)
        headers = ['d1/f1.f', 'd1/f2.f']
        deps_match(self, deps, map(test.workpath, headers))
        test.write(['d1', 'f2.f'], "\n")

def suite():
    suite = unittest.TestSuite()
    suite.addTest(FortranScannerTestCase1())
    suite.addTest(FortranScannerTestCase2())
    suite.addTest(FortranScannerTestCase3())
    suite.addTest(FortranScannerTestCase4())
    suite.addTest(FortranScannerTestCase5())
    suite.addTest(FortranScannerTestCase6())
    suite.addTest(FortranScannerTestCase7())
    suite.addTest(FortranScannerTestCase8())
    suite.addTest(FortranScannerTestCase9())
    suite.addTest(FortranScannerTestCase10())
    suite.addTest(FortranScannerTestCase11())
    suite.addTest(FortranScannerTestCase12())
    suite.addTest(FortranScannerTestCase13())
    suite.addTest(FortranScannerTestCase14())
    suite.addTest(FortranScannerTestCase15())
    return suite

if __name__ == "__main__":
    runner = unittest.TextTestRunner()
    result = runner.run(suite())
    if not result.wasSuccessful():
        sys.exit(1)