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b5f1afe216
Reviewed By: bhamodi Differential Revision: D33330724 fbshipit-source-id: 8a798435742dedc96e2b6912179736b6a1c72491
50 lines
1.8 KiB
Python
50 lines
1.8 KiB
Python
# Copyright (c) Meta Platforms, Inc. and affiliates.
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#
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# This source code is licensed under the MIT license found in the
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# LICENSE file in the root directory of this source tree.
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from __future__ import absolute_import, division, print_function, unicode_literals
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import unittest
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from ..expr import parse_expr
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class ExprTest(unittest.TestCase):
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def test_equal(self):
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valid_variables = {"foo", "some_var", "another_var"}
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e = parse_expr("foo=bar", valid_variables)
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self.assertTrue(e.eval({"foo": "bar"}))
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self.assertFalse(e.eval({"foo": "not-bar"}))
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self.assertFalse(e.eval({"not-foo": "bar"}))
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def test_not_equal(self):
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valid_variables = {"foo"}
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e = parse_expr("not(foo=bar)", valid_variables)
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self.assertFalse(e.eval({"foo": "bar"}))
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self.assertTrue(e.eval({"foo": "not-bar"}))
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def test_bad_not(self):
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valid_variables = {"foo"}
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with self.assertRaises(Exception):
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parse_expr("foo=not(bar)", valid_variables)
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def test_bad_variable(self):
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valid_variables = {"bar"}
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with self.assertRaises(Exception):
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parse_expr("foo=bar", valid_variables)
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def test_all(self):
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valid_variables = {"foo", "baz"}
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e = parse_expr("all(foo = bar, baz = qux)", valid_variables)
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self.assertTrue(e.eval({"foo": "bar", "baz": "qux"}))
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self.assertFalse(e.eval({"foo": "bar", "baz": "nope"}))
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self.assertFalse(e.eval({"foo": "nope", "baz": "nope"}))
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def test_any(self):
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valid_variables = {"foo", "baz"}
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e = parse_expr("any(foo = bar, baz = qux)", valid_variables)
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self.assertTrue(e.eval({"foo": "bar", "baz": "qux"}))
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self.assertTrue(e.eval({"foo": "bar", "baz": "nope"}))
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self.assertFalse(e.eval({"foo": "nope", "baz": "nope"}))
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