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#!/usr/bin/env python |
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# |
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# Copyright (C) 2002, 2003 by Intevation GmbH |
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# Authors: |
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# Thomas Koester <[email protected]> |
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# |
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# This program is free software under the GPL (>=v2) |
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# Read the file COPYING coming with the software for details. |
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|
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""" |
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Unit test for range.py |
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""" |
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|
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__version__ = "$Revision$" |
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# $Source$ |
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# $Id$ |
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|
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import unittest |
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|
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import support |
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support.initthuban() |
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|
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from Thuban.Model.range import Range, _inf |
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|
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class RangeTest(support.FloatTestCase): |
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|
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def test_equal(self): |
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"""test if different ways to create a range yield equal ranges""" |
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range = Range() |
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self.assertEqual(range, Range('')) |
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self.assertEqual(range, Range(']-oo;oo[')) |
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self.assertEqual(range, Range((']', -_inf, _inf, '['))) |
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self.assertEqual(range, Range((']', '-oo', 'oo', '['))) |
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range = Range('[0;1]') |
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self.assertEqual(range, Range('[000;1.0]')) |
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self.assertEqual(range, Range(('[', '0', 1.0, ']'))) |
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range2 = range |
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self.assertEqual(range, range2) |
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range3 = Range(range) |
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self.assertEqual(range3, range2) |
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range = Range(']0;99]') |
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self.assertEqual(range, Range(']0;99E+00]')) |
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self.assertEqual(range, Range(']0;9.9E+01]')) |
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self.assertEqual(range, Range(']0;990E-01]')) |
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self.assertEqual(range, Range(']0;.99E+02]')) |
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self.assertEqual(range, Range((']', 0, '.99E+02', ']'))) |
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|
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def test_different(self): |
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"""test if different ranges are different""" |
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range = Range('[-1;1]') |
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self.failIfEqual(range, Range(']-1;1]')) |
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self.failIfEqual(range, Range('[-1;1[')) |
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self.failIfEqual(range, Range(']-1;1[')) |
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self.failIfEqual(range, Range('[0;1]')) |
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self.failIfEqual(range, Range('[-1;0]')) |
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|
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def test_contains(self): |
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"""test value in range""" |
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range = Range((']', '0', 99, ']')) |
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for value in [-0.1, 0, 99.1]: |
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self.failIf(value in range) |
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for value in [0.1, 9.9, 99]: |
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self.assert_(value in range) |
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range = Range('[-oo;0]') |
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for value in [0.1, float('1e100'), float('1e10000')]: |
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self.failIf(value in range) |
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for value in [0.0, float('-1e100'), float('-1e10000')]: |
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self.assert_(value in range) |
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|
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def test_float(self): |
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"""test string to float conversion""" |
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range = Range() |
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self.assertFloatEqual(range.float('oo'), _inf) |
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self.assertFloatEqual(range.float('-oo'), -_inf) |
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for value in [-100000000000000000000l, 12345.6789, 0, 0.0, 5.30e20]: |
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self.assertFloatEqual(range.float(str(value)), value) |
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|
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def test_short_range(self): |
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"""test if range parser handles short ranges""" |
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range = Range('[0;0]') |
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self.failIf(-0.001 in range) |
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self.assert_(0 in range) |
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self.failIf(0.001 in range) |
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|
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def test_bad_ranges(self): |
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"""test if range parser raises correct exception on bad ranges""" |
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for range in [0, 1.1]: |
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self.assertRaises(TypeError, Range, range) |
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for range in ['x', ']x;9]', ']]0;1]', '[0;1]]', '[0;x]', '0', |
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'[0]', '[;]', '[0;]', '[;0]', '[1;0]', |
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']0;0]', '[0;0[', ']0;0[', |
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('[',), ('[', 0), ('[', 0, 1), ('[', 0, ']'), |
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('', 0, 1, ']'), ('[', 0, 1, '')]: |
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self.assertRaises(ValueError, Range, range) |
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|
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|
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if __name__ == "__main__": |
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unittest.main() |
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