scons_gd/scons/test/implicit/IMPLICIT_COMMAND_DEPENDENCIES.py
2022-10-15 16:06:26 +02:00

159 lines
5.8 KiB
Python

#!/usr/bin/env python
#
# __COPYRIGHT__
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# 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
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# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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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__"
"""
Verify that the $IMPLICIT_COMMAND_DEPENDENCIES variable controls
whether or not the implicit dependency on executed commands
is added to targets.
"""
import TestSCons
# swap slashes because on py3 on win32 inside the generated build.py
# the backslashes are getting interpretted as unicode which is
# invalid.
python = TestSCons.python.replace('\\','//')
_python_ = TestSCons._python_
test = TestSCons.TestSCons()
test.write('file.in', "file.in\n")
generate_build_py_py_contents = """\
#!%(python)s
import os
import sys
with open(sys.argv[1], 'w') as f:
f.write('''\
#!/usr/bin/env %(python)s
import os
import sys
with open(sys.argv[1], 'w') as fp:
args = [os.path.split(sys.argv[0])[1]] + sys.argv[1:]
fp.write(" ".join(args) + '\\\\n' + '%(extra)s')
for infile in sys.argv[2:]:
with open(infile, 'r') as ifp:
fp.write(ifp.read())
''')
os.chmod(sys.argv[1], 0o755)
"""
workpath = test.workpath()
test.write('SConstruct', """
DefaultEnvironment(tools=[])
generate = Builder(action = r'%(_python_)s $GENERATE $TARGET')
build = Builder(action = r'%(_python_)s $BUILD_PY $TARGET $SOURCES')
cd_and_build = Builder(action = r'cd %(workpath)s && %(_python_)s $BUILD_PY $TARGET $SOURCES')
env = Environment(tools=[],
BUILDERS = {
'GenerateBuild' : generate,
'BuildFile' : build,
'CdAndBuildFile': cd_and_build,
},
GENERATE = 'generate_build_py.py',
BUILD_PY = 'build.py',
)
env.PrependENVPath('PATH', '.')
env.PrependENVPath('PATHEXT', '.PY')
env0 = env.Clone(IMPLICIT_COMMAND_DEPENDENCIES = 0)
env1 = env.Clone(IMPLICIT_COMMAND_DEPENDENCIES = 1)
env2 = env.Clone(IMPLICIT_COMMAND_DEPENDENCIES = 2)
envAll = env.Clone(IMPLICIT_COMMAND_DEPENDENCIES = 'all')
envNone = env.Clone(IMPLICIT_COMMAND_DEPENDENCIES = None)
envFalse = env.Clone(IMPLICIT_COMMAND_DEPENDENCIES = False)
envTrue = env.Clone(IMPLICIT_COMMAND_DEPENDENCIES = True)
build_py = env.GenerateBuild('${BUILD_PY}', [])
AlwaysBuild(build_py)
env.BuildFile('file.out', 'file.in')
env0.BuildFile('file0.out', 'file.in')
env1.BuildFile('file1.out', 'file.in')
env2.BuildFile('file2.out', 'file.in')
envAll.BuildFile('fileall.out', 'file.in')
envNone.BuildFile('fileNone.out', 'file.in')
envFalse.BuildFile('fileFalse.out', 'file.in')
envTrue.BuildFile('fileTrue.out', 'file.in')
envTrue.BuildFile('fileQuote.out', 'file.in', BUILD_PY='"build.py"')
env1.CdAndBuildFile('cd_file1.out', 'file.in')
env2.CdAndBuildFile('cd_file2.out', 'file.in')
envAll.CdAndBuildFile('cd_fileall.out', 'file.in')
""" % locals())
def run_test(extra, python, _python_):
# Write the generate_build_py.py file. This uses the contents of the
# variable "extra" while writing build.py.
test.write('generate_build_py.py',
generate_build_py_py_contents % locals())
# Run the SConscript file.
test.run(arguments = '--tree=all .')
# Generate some expected data of actions involving build.py. This expected
# data depends on the value of "extra".
build_none = 'build.py %s file.in\nfile.in\n'
build_extra = (build_none if not extra else
'build.py %s file.in\n{}file.in\n'.format(
extra.replace('\\\\n', '\n')))
build_extra_abs = '{} %s file.in\n{}file.in\n'.format(
test.workpath('build.py'),
extra.replace('\\\\n', '\n'))
empty_none = 'empty.py %s file.in\nfile.in\n'
# Verify that the output matches what is expected.
test.must_match('file.out', build_none % 'file.out', mode='r')
test.must_match('file0.out', build_none % 'file0.out', mode='r')
test.must_match('file1.out', build_none % 'file1.out', mode='r')
test.must_match('file2.out', build_extra % 'file2.out', mode='r')
test.must_match('fileall.out', build_extra % 'fileall.out', mode='r')
test.must_match('fileNone.out', build_none % 'fileNone.out', mode='r')
test.must_match('fileFalse.out', build_none % 'fileFalse.out', mode='r')
test.must_match('fileTrue.out', build_none % 'fileTrue.out', mode='r')
test.must_match('fileQuote.out', build_none % 'fileQuote.out', mode='r')
test.must_match('cd_file1.out', build_none % 'cd_file1.out', mode='r')
test.must_match('cd_file2.out', build_extra % 'cd_file2.out', mode='r')
test.must_match('cd_fileall.out', build_extra % 'cd_fileall.out', mode='r')
run_test('', python, _python_)
run_test('xyzzy\\\\n', python, _python_)
test.pass_test()
# Local Variables:
# tab-width:4
# indent-tabs-mode:nil
# End:
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