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change simplify in expression test

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Lafrite 2014-12-27 15:47:55 +01:00
parent ffe3b628ea
commit dfb056e1cf
1 changed files with 4 additions and 7 deletions
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11
test/test_expression.py
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@ -29,14 +29,11 @@ class TestExpression(unittest.TestCase):
self.assertEqual(exp.postfix_tokens, [2, 3, "+"]) self.assertEqual(exp.postfix_tokens, [2, 3, "+"])
def test_simplify_frac(self): def test_simplify_frac(self):
render = lambda _,x : str(x)
Expression.set_render(render)
exp = Expression("1/2 - 4") exp = Expression("1/2 - 4")
steps = ["[1, 2, '/', 4, '-']", \ steps = ['\\frac{ 1 }{ 2 } - 4', \
"[< Fraction 1 / 2>, 4, '-']", \ '\\frac{ 1 \\times 1 }{ 2 \\times 1 } - \\frac{ 4 \\times 2 }{ 1 \\times 2 }',\
"[1, 1, '*', 2, 1, '*', '/', 4, 2, '*', 1, 2, '*', '/', '-']", \ '\\frac{ 1 - 8 }{ 2 }',\
"[1, 8, '-', 2, '/']", \ '\\frac{ -7 }{ 2 }']
'[< Fraction -7 / 2>]']
self.assertEqual(steps, list(exp.simplify())) self.assertEqual(steps, list(exp.simplify()))
Expression.set_render(txt) Expression.set_render(txt)