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34 lines
1.6 KiB
Python
34 lines
1.6 KiB
Python
import unittest
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from compose.config.interpolation import BlankDefaultDict as bddict
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from compose.config.interpolation import interpolate
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from compose.config.interpolation import InvalidInterpolation
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class InterpolationTest(unittest.TestCase):
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def test_valid_interpolations(self):
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self.assertEqual(interpolate('$foo', bddict(foo='hi')), 'hi')
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self.assertEqual(interpolate('${foo}', bddict(foo='hi')), 'hi')
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self.assertEqual(interpolate('${subject} love you', bddict(subject='i')), 'i love you')
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self.assertEqual(interpolate('i ${verb} you', bddict(verb='love')), 'i love you')
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self.assertEqual(interpolate('i love ${object}', bddict(object='you')), 'i love you')
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def test_empty_value(self):
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self.assertEqual(interpolate('${foo}', bddict(foo='')), '')
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def test_unset_value(self):
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self.assertEqual(interpolate('${foo}', bddict()), '')
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def test_escaped_interpolation(self):
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self.assertEqual(interpolate('$${foo}', bddict(foo='hi')), '${foo}')
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def test_invalid_strings(self):
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self.assertRaises(InvalidInterpolation, lambda: interpolate('${', bddict()))
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self.assertRaises(InvalidInterpolation, lambda: interpolate('$}', bddict()))
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self.assertRaises(InvalidInterpolation, lambda: interpolate('${}', bddict()))
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self.assertRaises(InvalidInterpolation, lambda: interpolate('${ }', bddict()))
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self.assertRaises(InvalidInterpolation, lambda: interpolate('${ foo}', bddict()))
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self.assertRaises(InvalidInterpolation, lambda: interpolate('${foo }', bddict()))
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self.assertRaises(InvalidInterpolation, lambda: interpolate('${foo!}', bddict()))
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