mirror of
https://github.com/Gnucash/gnucash.git
synced 2025-02-20 11:48:30 -06:00
a43b115a45
This switches swig to use python 3 specific features when generating the bindings, switches the build over to python 3 and makes the neccesary python 2 to 3 conversions in the bindings and tests.
103 lines
3.3 KiB
Python
103 lines
3.3 KiB
Python
from unittest import TestCase, main
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from gnucash import GncNumeric, GNC_DENOM_AUTO, GNC_HOW_DENOM_FIXED, \
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GNC_HOW_RND_NEVER, GNC_HOW_RND_FLOOR, GNC_HOW_RND_CEIL
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class TestGncNumeric( TestCase ):
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def test_defaut(self):
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num = GncNumeric()
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self.assertEqual(str(num), "0/1")
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self.assertEqual(num.num(), 0)
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self.assertEqual(num.denom(), 1)
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def test_from_num_denom(self):
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num = GncNumeric(1, 2)
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self.assertEqual(str(num), "1/2")
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self.assertEqual(num.num(), 1)
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self.assertEqual(num.denom(), 2)
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def test_from_int(self):
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num = GncNumeric(3)
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self.assertEqual(str(num), "3/1")
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self.assertEqual(num.num(), 3)
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self.assertEqual(num.denom(), 1)
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with self.assertRaises(Exception) as context:
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GncNumeric((2**64)+1)
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#On Linux it raises an OverflowError while on MacOS it's a TypeError.
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self.assertTrue(isinstance(context.exception, TypeError) or
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isinstance(context.exception, OverflowError))
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def test_from_float(self):
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num = GncNumeric(3.1, 20, GNC_HOW_DENOM_FIXED | GNC_HOW_RND_NEVER)
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self.assertEqual(str(num), "62/20")
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self.assertEqual(num.num(), 62)
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self.assertEqual(num.denom(), 20)
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num = GncNumeric(1/3.0, 10000000000, GNC_HOW_RND_FLOOR)
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self.assertEqual(str(num), "3333333333/10000000000")
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self.assertEqual(num.num(), 3333333333)
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self.assertEqual(num.denom(), 10000000000)
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num = GncNumeric(1/3.0, 10000000000, GNC_HOW_RND_CEIL)
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self.assertEqual(str(num), "3333333334/10000000000")
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self.assertEqual(num.num(), 3333333334)
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self.assertEqual(num.denom(), 10000000000)
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def test_from_float_auto(self):
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num = GncNumeric(3.1)
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self.assertEqual(str(num), "31/10")
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self.assertEqual(num.num(), 31)
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self.assertEqual(num.denom(), 10)
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def test_from_instance(self):
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orig = GncNumeric(3)
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num = GncNumeric(instance=orig.instance)
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self.assertEqual(str(num), "3/1")
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self.assertEqual(num.num(), 3)
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self.assertEqual(num.denom(), 1)
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def test_from_str(self):
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num = GncNumeric("3.1")
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self.assertEqual(str(num), "31/10")
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self.assertEqual(num.num(), 31)
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self.assertEqual(num.denom(), 10)
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num = GncNumeric("1/3")
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self.assertEqual(str(num), "1/3")
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self.assertEqual(num.num(), 1)
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self.assertEqual(num.denom(), 3)
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def test_to_str(self):
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num = GncNumeric("1000/3")
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self.assertEqual(str(num), "1000/3")
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num = GncNumeric(1, 0)
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self.assertEqual(str(num), "1/0")
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def test_to_double(self):
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for test_num in [0.0, 1.1, -1.1, 1/3.0]:
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self.assertEqual(GncNumeric(test_num).to_double(), test_num)
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def test_to_fraction(self):
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fraction = GncNumeric("1000/3").to_fraction()
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self.assertEqual(fraction.numerator, 1000)
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self.assertEqual(fraction.denominator, 3)
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def test_incorect_args(self):
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with self.assertRaises(TypeError):
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GncNumeric(1, 2, 3)
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with self.assertRaises(TypeError):
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GncNumeric("1", 2)
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with self.assertRaises(TypeError):
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GncNumeric(1.1, "round")
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with self.assertRaises(TypeError):
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GncNumeric(complex(1, 1))
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if __name__ == '__main__':
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main()
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