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from chrysacase import ChrysalideTestCase
from pychrysalide.common import pathname
class TestPathnames(ChrysalideTestCase):
"""TestCase for common.pathname*"""
@classmethod
def setUpClass(cls):
super(TestPathnames, cls).setUpClass()
cls._tests = [
{
'ref' : '/a/b/d',
'target' : '/a/b/e/f',
'relative' : 'e/f'
},
{
'ref' : '/a/b/c/d',
'target' : '/a/b/f',
'relative' : '../f'
},
{
'ref' : '/a/b/c/d',
'target' : '/a/b/c/e',
'relative' : 'e'
},
{
'ref' : '/a/bb/c/d',
'target' : '/a/b/e/f',
'relative' : '../../b/e/f'
},
{
'ref' : '/a/b/c/d',
'target' : '/a/bb/e/f',
'relative' : '../../bb/e/f'
},
{
'ref' : '/a/b/c/d',
'target' : '/f',
'relative' : '../../../f'
},
{
'ref' : '/z/b/c/d',
'target' : '/a/b/e/f',
'relative' : '../../../a/b/e/f'
},
{
'ref' : '/a/bbb/c/d',
'target' : '/a/bbc/e/f',
'relative' : '../../bbc/e/f'
}
]
def testBuildingRelative(self):
"""Build valid relative paths."""
build_relative = pathname.build_relative_filename
for tst in self._tests:
got = build_relative(tst['ref'], tst['target'])
self.assertEqual(got, tst['relative'])
def testBuildingAbsolute(self):
"""Build valid absolute paths."""
build_absolute = pathname.build_absolute_filename
for tst in self._tests:
got = build_absolute(tst['ref'], tst['relative'])
self.assertEqual(got, tst['target'])
def testBuildingWrongAbsolute(self):
"""Build invalid absolute paths."""
build_absolute = pathname.build_absolute_filename
with self.assertRaisesRegex(Exception, 'Relative path is too deep.'):
got = build_absolute('/a/b', '../../c')
def testPathnameConstructor(self):
"""Check that no constructor is available for the pathname class."""
with self.assertRaisesRegex(NotImplementedError, 'Chrysalide does not allow building this kind of object from Python'):
instance = pathname()
def testPathnameSamples(self):
"""Play with some path samples."""
filename = pathname.build_absolute_filename('/tmp/deep', '../myfile')
self.assertEqual(filename, '/myfile')
filename = pathname.build_absolute_filename('/tmp/deep/', '../myfile')
self.assertEqual(filename, '/tmp/myfile')
filename = pathname.build_relative_filename('/tmp/deep', '/myfile')
self.assertEqual(filename, '../myfile')
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