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SCons / test / option / debug-memoizer.py

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#!/usr/bin/env python
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

"""
Test calling the --debug=memoizer option.
"""

import os

import TestSCons

test = TestSCons.TestSCons(match = TestSCons.match_re_dotall)


test.write('SConstruct', """
def cat(target, source, env):
    open(str(target[0]), 'wb').write(open(str(source[0]), 'rb').read())
env = Environment(BUILDERS={'Cat':Builder(action=Action(cat))})
env.Cat('file.out', 'file.in')
""")

test.write('file.in', "file.in\n")

# The banner, and a list of representative method names that we expect
# to show up in the output.  Of course, this depends on keeping those
# names in the implementation, so if we change them, we'll have to
# change this test...
expect = [
    "Memoizer (memory cache) hits and misses",
    "Base.stat()",
    "Dir.srcdir_list()",
    "File.exists()",
    "Node._children_get()",
]


for args in ['-h --debug=memoizer', '--debug=memoizer']:
    test.run(arguments = args)
    test.must_contain_any_line(test.stdout(), expect)

test.must_match('file.out', "file.in\n")



test.unlink("file.out")



os.environ['SCONSFLAGS'] = '--debug=memoizer'

test.run(arguments = '')

test.must_contain_any_line(test.stdout(), expect)

test.must_match('file.out', "file.in\n")



test.pass_test()

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