mirror of
https://github.com/Relintai/scons_gd.git
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231 lines
6.5 KiB
Python
231 lines
6.5 KiB
Python
#!/usr/bin/env python
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#
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# __COPYRIGHT__
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
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# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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"""
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This tests the -j command line option, and the num_jobs
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SConscript settable option.
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"""
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
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import os.path
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import sys
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import TestSCons
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_python_ = TestSCons._python_
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try:
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import threading
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except ImportError:
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# if threads are not supported, then
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# there is nothing to test
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TestCmd.no_result()
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sys.exit()
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test = TestSCons.TestSCons()
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test.write('build.py', r"""
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import time
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import sys
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with open(sys.argv[1], 'w') as f:
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f.write(str(time.time()) + '\n')
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time.sleep(1)
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f.write(str(time.time()))
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""")
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test.subdir('foo')
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test.write(['foo','foo.in'], r"""
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foo you
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""")
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test.write('SConstruct', """
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DefaultEnvironment(tools=[])
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MyBuild = Builder(action = r'%(_python_)s build.py $TARGETS')
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env = Environment(BUILDERS={'MyBuild': MyBuild}, tools=[])
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env.Tool('install')
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env.MyBuild(target='f1', source='f1.in')
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env.MyBuild(target='f2', source='f2.in')
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def copyn(env, target, source):
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import shutil
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import time
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time.sleep(1)
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for t in target:
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shutil.copy(str(source[0]), str(t))
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t = env.Command(target=['foo/foo1.out', 'foo/foo2.out'],
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source='foo/foo.in',
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action=copyn)
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env.Install('out', t)
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""" % locals())
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def RunTest(args, extra):
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"""extra is used to make scons rebuild the output file"""
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test.write('f1.in', 'f1.in'+extra)
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test.write('f2.in', 'f2.in'+extra)
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test.run(arguments = args)
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str = test.read("f1", mode='r')
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start1,finish1 = list(map(float, str.split("\n")))
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str = test.read("f2", mode='r')
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start2,finish2 = list(map(float, str.split("\n")))
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return start2, finish1
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# Test 2 parallel jobs.
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# fail if the second file was not started
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# before the first one was finished.
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start2, finish1 = RunTest('-j 2 f1 f2', "first")
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test.fail_test(not (start2 < finish1))
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# re-run the test with the same input, fail if we don't
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# get back the same times, which would indicate that
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# SCons rebuilt the files even though nothing changed
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s2, f1 = RunTest('-j 2 f1 f2', "first")
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test.fail_test(start2 != s2)
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test.fail_test(finish1 != f1)
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# Test a single serial job.
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# fail if the second file was started
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# before the first one was finished
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start2, finish1 = RunTest('f1 f2', "second")
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test.fail_test(start2 < finish1)
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# Make sure that a parallel build using a list builder
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# succeeds.
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test.run(arguments='-j 2 out')
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if sys.platform != 'win32' and sys.version_info[0] == 2:
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# Test breaks on win32 when using real subprocess is not the only
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# package to import threading
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#
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# Test that we fall back and warn properly if there's no threading.py
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# module (simulated), which is the case if this version of Python wasn't
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# built with threading support.
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test.subdir('pythonlib')
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test.write(['pythonlib', 'threading.py'], "raise ImportError\n")
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save_pythonpath = os.environ.get('PYTHONPATH', '')
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os.environ['PYTHONPATH'] = test.workpath('pythonlib')
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#start2, finish1 = RunTest('-j 2 f1, f2', "fifth")
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test.write('f1.in', 'f1.in pythonlib\n')
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test.write('f2.in', 'f2.in pythonlib\n')
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test.run(arguments = "-j 2 f1 f2", stderr=None)
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warn = """scons: warning: parallel builds are unsupported by this version of Python;
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\tignoring -j or num_jobs option."""
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test.must_contain_all_lines(test.stderr(), [warn])
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str = test.read("f1", mode='r')
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start1,finish1 = list(map(float, str.split("\n")))
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str = test.read("f2", mode='r')
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start2,finish2 = list(map(float, str.split("\n")))
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test.fail_test(start2 < finish1)
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os.environ['PYTHONPATH'] = save_pythonpath
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# Test SetJobs() with no -j:
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test.write('SConstruct', """
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DefaultEnvironment(tools=[])
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MyBuild = Builder(action=r'%(_python_)s build.py $TARGETS')
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env = Environment(BUILDERS={'MyBuild': MyBuild}, tools=[])
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env.Tool('install')
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env.MyBuild(target = 'f1', source = 'f1.in')
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env.MyBuild(target = 'f2', source = 'f2.in')
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def copyn(env, target, source):
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import shutil
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import time
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time.sleep(1)
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for t in target:
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shutil.copy(str(source[0]), str(t))
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t = env.Command(target=['foo/foo1.out', 'foo/foo2.out'], source='foo/foo.in', action=copyn)
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env.Install('out', t)
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assert GetOption('num_jobs') == 1
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SetOption('num_jobs', 2)
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assert GetOption('num_jobs') == 2
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""" % locals())
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# This should be a parallel build because the SConscript sets jobs to 2.
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# fail if the second file was not started
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# before the first one was finished
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start2, finish1 = RunTest('f1 f2', "third")
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test.fail_test(not (start2 < finish1))
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# Test SetJobs() with -j:
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test.write('SConstruct', """
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DefaultEnvironment(tools=[])
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MyBuild = Builder(action = r'%(_python_)s build.py $TARGETS')
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env = Environment(BUILDERS = {'MyBuild': MyBuild}, tools=[])
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env.Tool('install')
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env.MyBuild(target='f1', source='f1.in')
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env.MyBuild(target='f2', source='f2.in')
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def copyn(env, target, source):
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import shutil
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import time
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time.sleep(1)
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for t in target:
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shutil.copy(str(source[0]), str(t))
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t = env.Command(target=['foo/foo1.out', 'foo/foo2.out'], source='foo/foo.in', action=copyn)
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env.Install('out', t)
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assert GetOption('num_jobs') == 1
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SetOption('num_jobs', 2)
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assert GetOption('num_jobs') == 1
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""" % locals())
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# This should be a serial build since -j 1 overrides the call to SetJobs().
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# fail if the second file was started
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# before the first one was finished
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start2, finish1 = RunTest('-j 1 f1 f2', "fourth")
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test.fail_test(start2 < finish1)
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test.pass_test()
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# Local Variables:
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# tab-width:4
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# indent-tabs-mode:nil
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# End:
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# vim: set expandtab tabstop=4 shiftwidth=4:
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