58 lines
2.0 KiB
Python
58 lines
2.0 KiB
Python
import unittest
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from lesscpy.plib.expression import Expression
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from mockp import Mockp
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class TestExpression(unittest.TestCase):
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def test_basic(self):
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for test in [
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['0', '+', '0', 0],
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['2', '+', '2', 4],
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['2.0', '+', '2', 4.0],
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['2', '+', '2.0', 4.0],
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['2.0', '+', '2.0', 4.0],
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]:
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e = Expression(Mockp(test[:3]))
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self.assertEqual(test[3], e.parse(None), str(test))
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def test_neg(self):
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for test in [
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['-0', '+', '0', 0],
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['-2', '+', '-2', -4],
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['-2.0', '+', '-2', -4.0],
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['-2', '+', '-2.0', -4.0],
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['-2.0', '+', '-2.0', -4.0],
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['-0', '-', '0', 0],
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['-2', '-', '-2', 0],
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['-2.0', '-', '2', -4.0],
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['-2', '-', '-2.0', 0],
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['2.0', '-', '-2.0', 4.0],
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['-0px', '+', '0', 0],
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['-2px', '+', '-2', '-4px'],
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['-2.0', '+', '-2px', '-4.0px'],
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['-2em', '+', '-2.0', '-4.0em'],
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['-2.0s', '+', '-2.0s', '-4.0s'],
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]:
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e = Expression(Mockp(test[:3]))
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self.assertEqual(test[3], e.parse(None), str(test))
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def testnest(self):
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e = Expression(Mockp(['2', '-', '-2']))
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f = Expression(Mockp([['-', e], '*', '-3']))
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self.assertEqual(f.parse(None), 12)
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g = Expression(Mockp(['2', '*', ['-', f]]))
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self.assertEqual(g.parse(None), -24)
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h = Expression(Mockp(['34', '-', ['-', g]]))
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self.assertEqual(h.parse(None), 10)
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i = Expression(Mockp([f, '-', h]))
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self.assertEqual(i.parse(None), 2)
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def testdiv(self):
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e = Expression(Mockp(['1', '/', '3']))
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def testinput(self):
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e = Expression(Mockp(['1a', '+', '1b']))
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self.assertRaises(SyntaxError, e.parse, None)
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if __name__ == '__main__':
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unittest.main() |