#!/usr/bin/env python
#
# __COPYRIGHT__
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# 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:
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# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
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# 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
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

import os
import sys
import TestSCons

_exe = TestSCons._exe
FTN_LIB = TestSCons.fortran_lib

prog = 'prog' + _exe
subdir_prog = os.path.join('subdir', 'prog' + _exe)
variant_prog = os.path.join('variant', 'prog' + _exe)

args = prog + ' ' + subdir_prog + ' ' + variant_prog

test = TestSCons.TestSCons()

if not test.detect('F77', 'g77'):
    test.pass_test()
    
test.subdir('include', 'subdir', ['subdir', 'include'], 'inc2')

test.write('SConstruct', """
env = Environment(F77PATH = ['$FOO'], LIBS = %s, FOO='include')
obj = env.Object(target='foobar/prog', source='subdir/prog.f')
env.Program(target='prog', source=obj)
SConscript('subdir/SConscript', "env")

BuildDir('variant', 'subdir', 0)
include = Dir('include')
env = Environment(F77PATH=[include], LIBS = %s)
SConscript('variant/SConscript', "env")
""" % (FTN_LIB, FTN_LIB))

test.write(['subdir', 'SConscript'],
"""
Import("env")
env.Program(target='prog', source='prog.f')
""")

test.write(['include', 'foo.f'],
r"""
      PRINT *, 'include/foo.f 1'
      INCLUDE 'bar.f'
""")

test.write(['include', 'bar.f'],
r"""
      PRINT *, 'include/bar.f 1'
""")

test.write(['subdir', 'prog.f'],
r"""
      PROGRAM PROG
      PRINT *, 'subdir/prog.f'
      include 'foo.f'
      STOP
      END
""")

test.write(['subdir', 'include', 'foo.f'],
r"""
      PRINT *, 'subdir/include/foo.f 1'
      INCLUDE 'bar.f'
""")

test.write(['subdir', 'include', 'bar.f'],
r"""
      PRINT *, 'subdir/include/bar.f 1'
""")



test.run(arguments = args)

test.run(program = test.workpath(prog),
         stdout = " subdir/prog.f\n include/foo.f 1\n include/bar.f 1\n")

test.run(program = test.workpath(subdir_prog),
         stdout = " subdir/prog.f\n subdir/include/foo.f 1\n subdir/include/bar.f 1\n")

test.run(program = test.workpath(variant_prog),
         stdout = " subdir/prog.f\n include/foo.f 1\n include/bar.f 1\n")

# Make sure we didn't duplicate the source file in the variant subdirectory.
test.fail_test(os.path.exists(test.workpath('variant', 'prog.f')))

test.up_to_date(arguments = args)

test.write(['include', 'foo.f'],
r"""
      PRINT *, 'include/foo.f 2'
      INCLUDE 'bar.f'
""")

test.run(arguments = args)

test.run(program = test.workpath(prog),
         stdout = " subdir/prog.f\n include/foo.f 2\n include/bar.f 1\n")

test.run(program = test.workpath(subdir_prog),
         stdout = " subdir/prog.f\n subdir/include/foo.f 1\n subdir/include/bar.f 1\n")

test.run(program = test.workpath(variant_prog),
         stdout = " subdir/prog.f\n include/foo.f 2\n include/bar.f 1\n")

# Make sure we didn't duplicate the source file in the variant subdirectory.
test.fail_test(os.path.exists(test.workpath('variant', 'prog.f')))

test.up_to_date(arguments = args)

#
test.write(['include', 'bar.f'],
r"""
      PRINT *, 'include/bar.f 2'
""")

test.run(arguments = args)

test.run(program = test.workpath(prog),
         stdout = " subdir/prog.f\n include/foo.f 2\n include/bar.f 2\n")

test.run(program = test.workpath(subdir_prog),
         stdout = " subdir/prog.f\n subdir/include/foo.f 1\n subdir/include/bar.f 1\n")

test.run(program = test.workpath(variant_prog),
         stdout = " subdir/prog.f\n include/foo.f 2\n include/bar.f 2\n")

# Make sure we didn't duplicate the source file in the variant subdirectory.
test.fail_test(os.path.exists(test.workpath('variant', 'prog.f')))

test.up_to_date(arguments = args)

# Change F77PATH and make sure we don't rebuild because of it.
test.write('SConstruct', """
env = Environment(F77PATH = Split('inc2 include'), LIBS = %s)
obj = env.Object(target='foobar/prog', source='subdir/prog.f')
env.Program(target='prog', source=obj)
SConscript('subdir/SConscript', "env")

BuildDir('variant', 'subdir', 0)
include = Dir('include')
env = Environment(F77PATH=['inc2', include], LIBS = %s)
SConscript('variant/SConscript', "env")
""" % (FTN_LIB, FTN_LIB))

test.up_to_date(arguments = args)

#
test.write(['inc2', 'foo.f'],
r"""
      PRINT *, 'inc2/foo.f 1'
      INCLUDE 'bar.f'
""")

test.run(arguments = args)

test.run(program = test.workpath(prog),
         stdout = " subdir/prog.f\n inc2/foo.f 1\n include/bar.f 2\n")

test.run(program = test.workpath(subdir_prog),
         stdout = " subdir/prog.f\n subdir/include/foo.f 1\n subdir/include/bar.f 1\n")

test.run(program = test.workpath(variant_prog),
         stdout = " subdir/prog.f\n include/foo.f 2\n include/bar.f 2\n")

test.up_to_date(arguments = args)

# Check that a null-string F77PATH doesn't blow up.
test.write('SConstruct', """
env = Environment(F77PATH = '', LIBS = %s)
env.Library('foo', source = 'empty.f')
""" % FTN_LIB)

test.write('empty.f', '')

test.run(arguments = '.')

test.pass_test()