47 lines
1.5 KiB
Python
47 lines
1.5 KiB
Python
#!/usr/bin/env python3
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# Copyright 2010-2022 Google LLC
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import unittest
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from ortools.math_opt.examples import log_scraping
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from ortools.math_opt.testing import binary_testing
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_TSP_PATH = "ortools/math_opt/examples/python/tsp"
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class TspTest(
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binary_testing.BinaryAssertions,
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log_scraping.LogScraping,
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unittest.TestCase,
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):
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def test_tsp_simple(self) -> None:
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output = self.assert_binary_succeeds(
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_TSP_PATH, ("--test_instance", "--solve_logs")
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)
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lazy = self.assert_has_line_with_prefixed_number(
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" Lazy constraints: ", output.stdout
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)
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self.assertEqual(lazy, 1)
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route_length = self.assert_has_line_with_prefixed_number(
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"Route length: ", output.stdout
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)
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self.assertAlmostEqual(route_length, 2.2)
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def test_tsp_large_no_crash(self) -> None:
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output = self.assert_binary_succeeds(_TSP_PATH)
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self.assertIn("Route length:", output.stdout)
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if __name__ == "__main__":
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unittest.main()
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