Source

SCons / test / GetBuildFailures / parallel.py

Steven Knight 99b456b 
















































































Greg Noel 2395d93 
Steven Knight 99b456b 

anatoly techtoni… b19ebf4 

Steven Knight 99b456b 






Steven Knight 52ff0f6 
Steven Knight 99b456b 
Steven Knight 75c4ee6 











Steven Knight 99b456b 
Steven Knight 52ff0f6 


















Steven Knight 99b456b 







Steven Knight 9aa3f9a 




#!/usr/bin/env python
#
# __COPYRIGHT__
#
# 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.
#

"""
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 sys.argv[0] == 'mypass.py':
    open(sys.argv[3], 'wb').write(open(sys.argv[4], 'rb').read())
    exit_value = 0
elif sys.argv[0] == 'myfail.py':
    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', """\
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):
        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(),
    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(),
    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()

# Local Variables:
# tab-width:4
# indent-tabs-mode:nil
# End:
# vim: set expandtab tabstop=4 shiftwidth=4: