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Avoid duplicate warnings if an unset env variable is used multiple times

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Signed-off-by: Aanand Prasad <aanand.prasad@gmail.com>
This commit is contained in:
Aanand Prasad 2015-08-07 15:04:30 +01:00
commit 4c65891db1
3 changed files with 62 additions and 31 deletions
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31
tests/unit/interpolation_test.py
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@ -1,31 +1,32 @@
import unittest
from compose.config.interpolation import interpolate, InvalidInterpolation
from compose.config.interpolation import BlankDefaultDict as bddict
class InterpolationTest(unittest.TestCase):
def test_valid_interpolations(self):
self.assertEqual(interpolate('$foo', dict(foo='hi')), 'hi')
self.assertEqual(interpolate('${foo}', dict(foo='hi')), 'hi')
self.assertEqual(interpolate('$foo', bddict(foo='hi')), 'hi')
self.assertEqual(interpolate('${foo}', bddict(foo='hi')), 'hi')
self.assertEqual(interpolate('${subject} love you', dict(subject='i')), 'i love you')
self.assertEqual(interpolate('i ${verb} you', dict(verb='love')), 'i love you')
self.assertEqual(interpolate('i love ${object}', dict(object='you')), 'i love you')
self.assertEqual(interpolate('${subject} love you', bddict(subject='i')), 'i love you')
self.assertEqual(interpolate('i ${verb} you', bddict(verb='love')), 'i love you')
self.assertEqual(interpolate('i love ${object}', bddict(object='you')), 'i love you')
def test_empty_value(self):
self.assertEqual(interpolate('${foo}', dict(foo='')), '')
self.assertEqual(interpolate('${foo}', bddict(foo='')), '')
def test_unset_value(self):
self.assertEqual(interpolate('${foo}', dict()), '')
self.assertEqual(interpolate('${foo}', bddict()), '')
def test_escaped_interpolation(self):
self.assertEqual(interpolate('$${foo}', dict(foo='hi')), '${foo}')
self.assertEqual(interpolate('$${foo}', bddict(foo='hi')), '${foo}')
def test_invalid_strings(self):
self.assertRaises(InvalidInterpolation, lambda: interpolate('${', dict()))
self.assertRaises(InvalidInterpolation, lambda: interpolate('$}', dict()))
self.assertRaises(InvalidInterpolation, lambda: interpolate('${}', dict()))
self.assertRaises(InvalidInterpolation, lambda: interpolate('${ }', dict()))
self.assertRaises(InvalidInterpolation, lambda: interpolate('${ foo}', dict()))
self.assertRaises(InvalidInterpolation, lambda: interpolate('${foo }', dict()))
self.assertRaises(InvalidInterpolation, lambda: interpolate('${foo!}', dict()))
self.assertRaises(InvalidInterpolation, lambda: interpolate('${', bddict()))
self.assertRaises(InvalidInterpolation, lambda: interpolate('$}', bddict()))
self.assertRaises(InvalidInterpolation, lambda: interpolate('${}', bddict()))
self.assertRaises(InvalidInterpolation, lambda: interpolate('${ }', bddict()))
self.assertRaises(InvalidInterpolation, lambda: interpolate('${ foo}', bddict()))
self.assertRaises(InvalidInterpolation, lambda: interpolate('${foo }', bddict()))
self.assertRaises(InvalidInterpolation, lambda: interpolate('${foo!}', bddict()))