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

143 lines
4.6 KiB
Python

#!/usr/bin/env python
#
# __COPYRIGHT__
#
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# a copy of this software and associated documentation files (the
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# without limitation the rights to use, copy, modify, merge, publish,
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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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#
# 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.
"""
Verify that a failed build action with -j works as expected.
"""
__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
import TestSCons
_python_ = TestSCons._python_
try:
import threading
except ImportError:
# if threads are not supported, then
# there is nothing to test
TestCmd.no_result()
sys.exit()
test = TestSCons.TestSCons()
# We want to verify that -j 4 starts all four jobs, the first and last of
# which fail and the second and third of which succeed, and then stops
# processing due to the build failures. To try to control the timing,
# the created build scripts use marker directories to avoid doing their
# processing until the previous script has finished.
contents = r"""\
import os.path
import sys
import time
wait_marker = sys.argv[1] + '.marker'
write_marker = sys.argv[2] + '.marker'
if wait_marker != '-.marker':
while not os.path.exists(wait_marker):
time.sleep(1)
if 'mypass.py' in sys.argv[0]:
with open(sys.argv[3], 'wb') as ofp, open(sys.argv[4], 'rb') as ifp:
ofp.write(ifp.read())
exit_value = 0
elif 'myfail.py' in sys.argv[0]:
exit_value = 1
if write_marker != '-.marker':
os.mkdir(write_marker)
sys.exit(exit_value)
"""
test.write('mypass.py', contents)
test.write('myfail.py', contents)
test.write('SConstruct', """\
DefaultEnvironment(tools=[])
Command('f3', 'f3.in', r'@%(_python_)s mypass.py - f3 $TARGET $SOURCE')
Command('f4', 'f4.in', r'@%(_python_)s myfail.py f3 f4 $TARGET $SOURCE')
Command('f5', 'f5.in', r'@%(_python_)s myfail.py f4 f5 $TARGET $SOURCE')
Command('f6', 'f6.in', r'@%(_python_)s mypass.py f5 - $TARGET $SOURCE')
def print_build_failures():
from SCons.Script import GetBuildFailures
for bf in sorted(GetBuildFailures(), key=lambda t: t.filename or 'None'):
print("%%s failed: %%s" %% (bf.node, bf.errstr))
import atexit
atexit.register(print_build_failures)
""" % locals())
test.write('f3.in', "f3.in\n")
test.write('f4.in', "f4.in\n")
test.write('f5.in', "f5.in\n")
test.write('f6.in', "f6.in\n")
test.run(arguments = '-Q -j 4 .',
status = 2,
stderr = None)
f4_error = "scons: *** [f4] Error 1\n"
f5_error = "scons: *** [f5] Error 1\n"
error_45 = f4_error + f5_error
error_54 = f5_error + f4_error
if test.stderr() not in [error_45, error_54]:
print("Did not find the following output in list of expected strings:")
print(test.stderr(), end=' ')
test.fail_test()
# We jump through hoops above to try to make sure that the individual
# commands execute and exit in the order we want, but we still can't be
# 100% sure that SCons will actually detect and record the failures in
# that order; the thread for f5 may detect its command's failure before
# the thread for f4. Just sidestep the issue by allowing the failure
# strings in the output to come in either order. If there's a genuine
# problem in the way things get ordered, it'll show up in stderr.
f4_failed = "f4 failed: Error 1\n"
f5_failed = "f5 failed: Error 1\n"
failed_45 = f4_failed + f5_failed
failed_54 = f5_failed + f4_failed
if test.stdout() not in [failed_45, failed_54]:
print("Did not find the following output in list of expected strings:")
print(test.stdout(), end=' ')
test.fail_test()
test.must_match(test.workpath('f3'), 'f3.in\n')
test.must_not_exist(test.workpath('f4'))
test.must_not_exist(test.workpath('f5'))
test.must_match(test.workpath('f6'), 'f6.in\n')
test.pass_test()
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