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Nice way for setting render <3

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Lafrite
2014-11-21 15:49:43 +01:00
parent 3e9277d86b
commit 3b5583bd61
5 changed files with 36 additions and 25 deletions
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10
test/test_expression.py
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@@ -11,6 +11,8 @@ from pymath.generic import first_elem
from pymath.render import txt, tex
Expression.set_render(txt)
class TestExpression(unittest.TestCase):
"""Testing functions from pymath.expression"""
@@ -26,16 +28,16 @@ class TestExpression(unittest.TestCase):
self.assertEqual(exp.postfix_tokens, [2, 3, "+"])
def test_simplify_frac(self):
render = lambda x : str(x)
render = lambda _,x : str(x)
Expression.set_render(render)
exp = Expression("1/2 - 4")
steps = ["[1, 2, '/', 4, '-']", \
"[< Fraction 1 / 2>, 4, '-']", \
"[1, 1, '*', 2, 1, '*', '/', 4, 2, '*', 1, 2, '*', '/', '-']", \
"[1, 8, '-', 2, '/']", \
'[< Fraction -7 / 2>]']
self.assertEqual(steps, list(exp.simplify(render = render)))
Expression.STR_RENDER = tex
self.assertEqual(steps, list(exp.simplify()))
Expression.set_render(txt)
def test_add_exp(self):
e = Expression("12- 4")