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SCons / test / option / warn-duplicate-environment.py

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

"""
Verify use of the --warn=duplicate-environment option.
"""

import TestSCons

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


test.write('SConstruct', """
def build(env, target, source):
    file = open(str(target[0]), 'wb')
    for s in source:
        file.write(open(str(s), 'rb').read())

WARN = ARGUMENTS.get('WARN')
if WARN:
    SetOption('warn', WARN)

B = Builder(action=build, multi=1)
env = Environment(BUILDERS = { 'B' : B })
env2 = env.Clone(DIFFERENT_VARIABLE = 'true')
env.B(target = 'file1.out', source = 'file1a.in')
env2.B(target = 'file1.out', source = 'file1b.in')
""")

test.write('file1a.in', 'file1a.in\n')
test.write('file1b.in', 'file1b.in\n')

expect = r"""
scons: warning: Two different environments were specified for target file1.out,
\tbut they appear to have the same action: build\(target, source, env\)
""" + TestSCons.file_expr

test.run(arguments='file1.out', stderr=expect)

test.must_match('file1.out', "file1a.in\nfile1b.in\n")

test.run(arguments='--warn=duplicate-environment file1.out', stderr=expect)

test.run(arguments='--warn=no-duplicate-environment file1.out')

test.run(arguments='WARN=duplicate-environment file1.out', stderr=expect)

test.run(arguments='WARN=no-duplicate-environment file1.out')


test.pass_test()

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