5bf70b691f
* CMake has not been updated yet * bazel was compiling at least last week bazel: disable math opt facility_location.py missing some dependencies...
84 lines
3.1 KiB
Python
84 lines
3.1 KiB
Python
#!/usr/bin/env python3
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# Copyright 2010-2025 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 math
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from absl.testing import absltest
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from ortools.math_opt.python import bounded_expressions
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_BAD_BOOL_ERROR = "two-sided or ranged"
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class BoundedExpressionTest(absltest.TestCase):
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def test_bounded_expression_read(self) -> None:
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b = bounded_expressions.BoundedExpression(
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lower_bound=-3.0, expression="e123", upper_bound=4.5
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)
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self.assertEqual(b.lower_bound, -3.0)
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self.assertEqual(b.upper_bound, 4.5)
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self.assertEqual(b.expression, "e123")
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self.assertEqual(str(b), "-3.0 <= e123 <= 4.5")
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self.assertEqual(repr(b), "-3.0 <= 'e123' <= 4.5")
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with self.assertRaisesRegex(TypeError, _BAD_BOOL_ERROR):
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bool(b)
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def test_lower_bounded_expression_read(self) -> None:
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b = bounded_expressions.LowerBoundedExpression(
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lower_bound=-3.0, expression="e123"
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)
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self.assertEqual(b.lower_bound, -3.0)
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self.assertEqual(b.upper_bound, math.inf)
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self.assertEqual(b.expression, "e123")
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self.assertEqual(str(b), "e123 >= -3.0")
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self.assertEqual(repr(b), "'e123' >= -3.0")
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with self.assertRaisesRegex(TypeError, _BAD_BOOL_ERROR):
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bool(b)
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def test_upper_bounded_expression_read(self) -> None:
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b = bounded_expressions.UpperBoundedExpression(
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expression="e123", upper_bound=4.5
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)
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self.assertEqual(b.lower_bound, -math.inf)
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self.assertEqual(b.upper_bound, 4.5)
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self.assertEqual(b.expression, "e123")
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self.assertEqual(str(b), "e123 <= 4.5")
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self.assertEqual(repr(b), "'e123' <= 4.5")
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with self.assertRaisesRegex(TypeError, _BAD_BOOL_ERROR):
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bool(b)
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def test_lower_bounded_to_bounded(self) -> None:
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lb = bounded_expressions.LowerBoundedExpression(
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lower_bound=-3.0, expression="e123"
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)
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bounded = lb <= 4.5
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self.assertIsInstance(bounded, bounded_expressions.BoundedExpression)
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self.assertEqual(bounded.lower_bound, -3.0)
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self.assertEqual(bounded.upper_bound, 4.5)
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self.assertEqual(bounded.expression, "e123")
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def test_upper_bounded_to_bounded(self) -> None:
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ub = bounded_expressions.UpperBoundedExpression(
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expression="e123", upper_bound=4.5
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)
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bounded = -3.0 <= ub
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self.assertIsInstance(bounded, bounded_expressions.BoundedExpression)
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self.assertEqual(bounded.lower_bound, -3.0)
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self.assertEqual(bounded.upper_bound, 4.5)
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self.assertEqual(bounded.expression, "e123")
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if __name__ == "__main__":
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absltest.main()
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