"""
Support functions for all the tests.
"""

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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

import TestSCons

from os.path import abspath, dirname

import sys
sys.path.insert(1, abspath(dirname(__file__) + '/../../../Support'))

from executablesSearch import isExecutableOfToolAvailable

def testForTool(tool):

    test = TestSCons.TestSCons()

    if not isExecutableOfToolAvailable(test, tool) :
        test.skip_test("Required executable for tool '{}' not found, skipping test.\n".format(tool))

    test.dir_fixture('Image')
    test.write('SConstruct', open('SConstruct_template', 'r').read().format(tool))

    if tool == 'dmd':
        # The gdmd executable in Debian Unstable as at 2012-05-12, version 4.6.3 puts out messages on stderr
        # that cause inappropriate failure of the tests, so simply ignore them.
        test.run(stderr=None)
    else:
        test.run()

    test.must_exist(test.workpath('helloWorld.o'))
    test.must_exist(test.workpath('helloWorld'))

    test.run(program=test.workpath('helloWorld'+TestSCons._exe))
    test.fail_test(test.stdout() != 'Hello World.\n')

    test.pass_test()

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