258 lines
7.6 KiB
Python
258 lines
7.6 KiB
Python
#!/usr/bin/env python
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# encoding: utf-8
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import unittest
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from pymath.render import tex, txt,p2i
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from pymath.fraction import Fraction
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from pymath.polynom import Polynom
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from pymath.operator import op
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class TestTexRender(unittest.TestCase):
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"""Testing functions from pymath.renders.tex"""
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def test_type_render_int(self):
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self.assertEqual(tex([2]), "2")
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def test_type_render_str(self):
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self.assertEqual(tex(["a"]), "a")
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def test_type_render_fraction(self):
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self.assertEqual(tex([Fraction(1,2)]), "\\frac{ 1 }{ 2 }")
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def test_type_render_poly(self):
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P = Polynom([1,2,3])
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self.assertEqual(tex([P]), "3 x^{ 2 } + 2 x + 1")
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def test_add_interger(self):
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exps = [ [2, 3, op.add ],
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[2, -3, op.add ],
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[-2, 3, op.add ],
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]
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wanted_render = [ "2 + 3",
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"2 + ( -3 )",
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"-2 + 3",
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]
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for (i,e) in enumerate(exps):
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rend = tex(e)
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self.assertEqual(rend, wanted_render[i])
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def test_add_letter(self):
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exps = [[2, "a", op.add ],
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["a", 3, op.add ],
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[-2, "a", op.add ],
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["a", -2, op.add ],
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]
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wanted_render = [ "2 + a",
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"a + 3",
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"-2 + a",
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"a + ( -2 )",
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]
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for (i,e) in enumerate(exps):
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rend = tex(e)
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self.assertEqual(rend, wanted_render[i])
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def test_add_fraction(self):
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exps = [[2, Fraction(1,2), op.add],
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[Fraction(1,2), 3, op.add],
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]
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wanted_render = [ "2 + \\frac{ 1 }{ 2 }",
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"\\frac{ 1 }{ 2 } + 3",
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]
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for (i,e) in enumerate(exps):
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rend = tex(e)
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self.assertEqual(rend, wanted_render[i])
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def test_add_poly(self):
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exps = [[2, Polynom([1,2,3]), op.mul],
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[Polynom([1,2,3]), 2, op.mul],
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[Polynom([1,2,3]), Polynom([4,5,6]), op.mul],
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]
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wanted_render = [ "2 ( 3 x^{ 2 } + 2 x + 1 )",
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"( 3 x^{ 2 } + 2 x + 1 ) \\times 2",
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"( 3 x^{ 2 } + 2 x + 1 ) ( 6 x^{ 2 } + 5 x + 4 )",
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]
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for (i,e) in enumerate(exps):
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rend = tex(e)
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self.assertEqual(rend, wanted_render[i])
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def test_mult_interger(self):
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exps = [[2, 3, op.mul],
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[2, -3, op.mul],
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[-2, 3, op.mul],
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]
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wanted_render = [ "2 \\times 3",
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"2 \\times ( -3 )",
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"-2 \\times 3",
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]
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for (i,e) in enumerate(exps):
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rend = tex(e)
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self.assertEqual(rend, wanted_render[i])
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def test_mult_letter(self):
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exps = [[2, "a", op.mul],
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["a", 3, op.mul],
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[-2, "a", op.mul],
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["a", -2, op.mul],
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]
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wanted_render = [ "2 a", "a \\times 3", "-2 a", "a \\times ( -2 )"]
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for (i,e) in enumerate(exps):
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rend = tex(e)
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self.assertEqual(rend, wanted_render[i])
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def test_mult_fraction(self):
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exps = [ [2, Fraction(1,2), op.mul], [Fraction(1,2), 3, op.mul]]
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wanted_render = [ "2 \\times \\frac{ 1 }{ 2 }", "\\frac{ 1 }{ 2 } \\times 3"]
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for (i,e) in enumerate(exps):
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rend = tex(e)
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self.assertEqual(rend, wanted_render[i])
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def test_mult_poly(self):
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exps = [[2, Polynom([1,2,3]), op.mul],
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[Polynom([1,2,3]), 2, op.mul],
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[Polynom([1,2,3]), Polynom([4,5,6]), op.mul],
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]
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wanted_render = [ "2 ( 3 x^{ 2 } + 2 x + 1 )",
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"( 3 x^{ 2 } + 2 x + 1 ) \\times 2",
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"( 3 x^{ 2 } + 2 x + 1 ) ( 6 x^{ 2 } + 5 x + 4 )",
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]
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for (i,e) in enumerate(exps):
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rend = tex(e)
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self.assertEqual(rend, wanted_render[i])
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def test_parentheses_int(self):
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exps = [\
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[ 2, 3, op.add, 4, op.mul],\
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[ 2, 3, op.mul, 4, op.add],\
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[ 2, 3, 4, op.mul, op.add],\
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[ 2, 3, 4, op.add, op.add],\
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[ 2, 3, 4, op.add, op.sub],\
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]
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wanted_render = [\
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'( 2 + 3 ) \\times 4',\
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'2 \\times 3 + 4',\
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'2 + 3 \\times 4',\
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'2 + 3 + 4',\
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'2 - ( 3 + 4 )',\
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]
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for (i,e) in enumerate(exps):
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rend = tex(e)
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self.assertEqual(rend, wanted_render[i])
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def test_parentheses_poly(self):
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P = Polynom([1,2,3])
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Q = Polynom([4,5,6])
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exps = [\
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[ 2, P, op.add],\
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[ 2, P, op.sub],\
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[ 2, P, P, op.mul, op.sub],\
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[ Q, P, op.add],\
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[ Q, P, op.sub],\
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]
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wanted_render = [\
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'2 + 3 x^{ 2 } + 2 x + 1' ,\
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'2 - ( 3 x^{ 2 } + 2 x + 1 )' ,\
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'2 - ( 3 x^{ 2 } + 2 x + 1 ) ( 3 x^{ 2 } + 2 x + 1 )' ,\
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'6 x^{ 2 } + 5 x + 4 + 3 x^{ 2 } + 2 x + 1' ,\
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'6 x^{ 2 } + 5 x + 4 - ( 3 x^{ 2 } + 2 x + 1 )' ,\
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]
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for (i,e) in enumerate(exps):
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rend = tex(e)
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self.assertEqual(rend, wanted_render[i])
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def test_slash(self):
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pass
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class TesttxtRender(unittest.TestCase):
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"""Testing functions from pymath.renders.txt"""
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def test_type_render_int(self):
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self.assertEqual(txt([2]), "2")
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def test_type_render_str(self):
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self.assertEqual(txt(["a"]), "a")
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def test_type_render_fraction(self):
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self.assertEqual(txt([Fraction(1,2)]), "1 / 2")
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def test_mult_interger(self):
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exps = [ [2, 3, op.mul], \
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[2, -3, op.mul], \
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[-2, 3, op.mul]]
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wanted_render = [ "2 * 3", "2 * ( -3 )", "-2 * 3"]
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for (i,e) in enumerate(exps):
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rend = txt(e)
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self.assertEqual(rend, wanted_render[i])
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def test_mult_letter(self):
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exps = [ [2, "a", op.mul], \
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["a", 3, op.mul], \
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[-2, "a", op.mul], \
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["a", -2, op.mul],
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["a", -2, op.mul, -2, op.mul],
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["a", -2, op.mul, "a", op.mul],
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]
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wanted_render = [ "2 a",
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"a * 3",
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"-2 a",
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"a * ( -2 )",
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"a * ( -2 ) * ( -2 )",
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"a * ( -2 ) a",
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]
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for (i,e) in enumerate(exps):
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rend = txt(e)
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self.assertEqual(rend, wanted_render[i])
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def test_mult_fraction(self):
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exps = [ [2, Fraction(1,2), op.mul], \
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[Fraction(1,2), 3, op.mul]]
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wanted_render = [ "2 * 1 / 2", "1 / 2 * 3"]
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for (i,e) in enumerate(exps):
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rend = txt(e)
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self.assertEqual(rend, wanted_render[i])
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def test_parentheses(self):
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mul = op.get_op("*", 2)
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add = op.get_op("+", 2)
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exps = [\
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[ 2, 3, add, 4, mul],\
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[ 2, 3, mul, 4, add],\
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[ 2, 3, 4, mul, add],\
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[ 2, 3, 4, add, add],\
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]
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wanted_render = [\
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'( 2 + 3 ) * 4',\
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'2 * 3 + 4',\
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'2 + 3 * 4',\
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'2 + 3 + 4',\
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]
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for (i,e) in enumerate(exps):
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rend = txt(e)
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self.assertEqual(rend, wanted_render[i])
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def test_slash(self):
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pass
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if __name__ == '__main__':
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unittest.main()
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# -----------------------------
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# Reglages pour 'vim'
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# vim:set autoindent expandtab tabstop=4 shiftwidth=4:
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# cursor: 16 del
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