96 lines
2.9 KiB
Python
96 lines
2.9 KiB
Python
#!/usr/bin/env python
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# encoding: utf-8
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import unittest
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from pymath.fraction import Fraction
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class TestFraction(unittest.TestCase):
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"""Testing functions from pymath.Fraction"""
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def setUp(self):
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self.listFrom = [Fraction(1,3), 1]
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self.listAgainst = [ Fraction(1,3), \
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Fraction(2,3), \
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Fraction(4,5), \
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Fraction(-1, 3), \
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Fraction(1,-3), \
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1,
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]
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def test_add(self):
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ans = [[Fraction(2, 3), 1, Fraction(17, 15), 0, 0, Fraction(4,3)], \
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[Fraction(4,3), Fraction(5,3), Fraction(9,5), Fraction(2,3), Fraction(2,3), 2] \
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]
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for (i, f1) in enumerate(self.listFrom):
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for (j, f2) in enumerate(self.listAgainst):
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res = f1 + f2
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self.assertEqual(res, ans[i][j])
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def test_sub(self):
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ans = [[0, Fraction(-1,3), Fraction(-7, 15), Fraction(2,3), Fraction(2,3), Fraction(-2,3)], \
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[Fraction(2,3), Fraction(1,3), Fraction(1,5), Fraction(4,3), Fraction(4,3), 0] \
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]
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for (i, f1) in enumerate(self.listFrom):
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for (j, f2) in enumerate(self.listAgainst):
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res = f1 - f2
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self.assertEqual(res, ans[i][j])
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def test_neg(self):
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ans = [ Fraction(-1,3), \
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Fraction(-2,3), \
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Fraction(-4,5), \
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Fraction(1, 3), \
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Fraction(1,3), \
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-1
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]
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for (j, f) in enumerate(self.listAgainst):
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res = -f
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self.assertEqual(res, ans[j])
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def test_mul(self):
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ans = [[Fraction(1, 9), Fraction(2,9), Fraction(4, 15), Fraction(-1,9), Fraction(-1,9), Fraction(1,3)], \
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[ Fraction(1,3), Fraction(2,3), Fraction(4,5), Fraction(-1, 3), Fraction(1,-3), 1] \
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]
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for (i, f1) in enumerate(self.listFrom):
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for (j, f2) in enumerate(self.listAgainst):
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res = f1 * f2
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self.assertEqual(res, ans[i][j])
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def test_truediv(self):
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ans = [[1, Fraction(1,2), Fraction(5, 12), -1, -1, Fraction(1,3)], \
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[3, Fraction(3,2), Fraction(5,4), -3, -3, 1] \
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]
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for (i, f1) in enumerate(self.listFrom):
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for (j, f2) in enumerate(self.listAgainst):
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res = f1 / f2
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self.assertEqual(res, ans[i][j])
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def test_lt(self):
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pass
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def test_le(self):
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pass
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def test_tex(self):
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f = Fraction(2, 3)
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ans = "\\frac{ 2 }{ 3 }"
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self.assertEqual(f.__tex__(), ans)
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def test_txt(self):
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f = Fraction(2, 3)
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ans = "2 / 3"
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self.assertEqual(f.__txt__(), ans)
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if __name__ == '__main__':
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unittest.main()
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# -----------------------------
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# Reglages pour 'vim'
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# vim:set autoindent expandtab tabstop=4 shiftwidth=4:
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# cursor: 16 del
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