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80d90a745a
Signed-off-by: Aanand Prasad <aanand.prasad@gmail.com> Conflicts: compose/cli/multiplexer.py
46 lines
1.0 KiB
Python
46 lines
1.0 KiB
Python
import unittest
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from compose.cli.multiplexer import Multiplexer
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class MultiplexerTest(unittest.TestCase):
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def test_no_iterators(self):
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mux = Multiplexer([])
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self.assertEqual([], list(mux.loop()))
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def test_empty_iterators(self):
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mux = Multiplexer([
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(x for x in []),
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(x for x in []),
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])
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self.assertEqual([], list(mux.loop()))
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def test_aggregates_output(self):
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mux = Multiplexer([
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(x for x in [0, 2, 4]),
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(x for x in [1, 3, 5]),
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])
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self.assertEqual(
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[0, 1, 2, 3, 4, 5],
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sorted(list(mux.loop())),
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)
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def test_exception(self):
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class Problem(Exception):
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pass
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def problematic_iterator():
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yield 0
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yield 2
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raise Problem(":(")
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mux = Multiplexer([
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problematic_iterator(),
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(x for x in [1, 3, 5]),
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])
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with self.assertRaises(Problem):
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list(mux.loop())
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