import math
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import unittest
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from numint.input_parser import parse_function, parse_value
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class InputParserTestCase(unittest.TestCase):
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def test_common_function(self):
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expr = "tan(radians(x))"
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fn = parse_function(expr)
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tan60 = fn(60)
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self.assertTrue(abs(tan60 - 1.732) < 0.01) # add assertion here
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def test_eval_value(self):
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expr = "e"
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value = parse_value(expr)
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self.assertTrue(abs(value - math.e) < 0.0001)
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if __name__ == '__main__':
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unittest.main()
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