#!/usr/bin/env python
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"""
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()

contents = r"""\
import sys
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
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
    bf_list = GetBuildFailures()
    bf_list.sort(lambda a,b: cmp(a.filename, b.filename))
    for bf in bf_list:
        print "%%s failed:  %%s" %% (bf.node, bf.errstr)

try:
    import atexit
except ImportError:
    import sys
    sys.exitfunc = print_build_failures
else:
    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")

expect_stdout = """\
scons: Reading SConscript files ...
scons: done reading SConscript files.
scons: Building targets ...
scons: done building targets (errors occurred during build).
f4 failed:  Error 1
f5 failed:  Error 1
""" % locals()

expect_stderr = """\
scons: *** [f4] Error 1
scons: *** [f5] Error 1
"""

test.run(arguments = '-k .',
         status = 2,
         stdout = expect_stdout,
         stderr = expect_stderr)

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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