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SCons / test / CacheDir / symlink.py

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

"""
Verify that we push and retrieve a built symlink to/from a CacheDir()
as an actualy symlink, not by copying the file contents.
"""

import os

import TestSCons

test = TestSCons.TestSCons()

if not hasattr(os, 'symlink'):
    import sys
    test.skip_test('%s has no os.symlink() method; skipping test\n' % sys.executable)

test.write('SConstruct', """\
CacheDir('cache')
import os
Symlink = Action(lambda target, source, env:
                        os.symlink(str(source[0]), str(target[0])),
                 "os.symlink($SOURCE, $TARGET)")
Command('file.symlink', 'file.txt', Symlink)
""")

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

test.run(arguments = '.')

test.fail_test(not os.path.islink('file.symlink'))
test.must_match('file.symlink', "file.txt\n")

test.run(arguments = '-c .')

test.must_not_exist('file.symlink')

test.run(arguments = '.')

test.fail_test(not os.path.islink('file.symlink'))
test.must_match('file.symlink', "file.txt\n")

test.pass_test()

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