Mapytex/mapytex/calculus/test/test_render.py

311 lines
9.8 KiB
Python

#!/usr/bin/env python
# encoding: utf-8
import unittest
from mapytex.calculus.render import tex, txt
from mapytex.calculus.fraction import Fraction
from mapytex.calculus.polynom import Polynom
from mapytex.calculus.operator import op
from mapytex.calculus.expression import Expression
from itertools import permutations
def mass_poly_test(operation, rg=5):
""" @todo
:op: the operation
:rg: number of potential values for coefs
:returns: @todo
"""
coefs_p = [[(i - 2), (j - 2)] for i, j in permutations(range(rg), 2)]
coefs_q = [[2 * (i - 2), 2 * (j - 2)]
for i, j in permutations(range(rg), 2)]
l_p = [Polynom(i) for i in coefs_p]
l_q = [Polynom(i) for i in coefs_q]
return [Expression([l_p[i], l_q[j], op.get_op(operation)])
for i, j in permutations(range(len(coefs_p)), 2)]
class TestTexRender(unittest.TestCase):
"""Testing functions from mapytex.calculus.renders.tex"""
def test_type_render_int(self):
self.assertEqual(tex([2]), "2")
def test_type_render_str(self):
self.assertEqual(tex(["a"]), "a")
def test_type_render_float(self):
self.assertEqual(tex([12.345]), "12.345")
def test_type_render_fraction(self):
self.assertEqual(tex([Fraction(1, 2)]), "\\frac{ 1 }{ 2 }")
def test_type_render_poly(self):
P = Polynom([1, 2, 3])
self.assertEqual(tex([P]), "3 x^{ 2 } + 2 x + 1")
def test_add_interger(self):
exps = [[2, 3, op.add],
[2, -3, op.add],
[-2, 3, op.add],
]
wanted_render = ["2 + 3",
"2 - 3",
"-2 + 3",
]
for (i, e) in enumerate(exps):
rend = tex(e)
self.assertEqual(rend, wanted_render[i])
def test_mass_add(self):
permu = mass_poly_test("+", 5)
from .mass_test import POLY_ADD_VALID_RESULTS
for (i, v) in enumerate(permu):
self.assertEqual(tex(v), POLY_ADD_VALID_RESULTS[i])
def test_mass_sub(self):
permu = mass_poly_test("-", 5)
from .mass_test import POLY_SUB_VALID_RESULTS
for (i, v) in enumerate(permu):
self.assertEqual(tex(v), POLY_SUB_VALID_RESULTS[i])
def test_mass_mul(self):
permu = mass_poly_test("*", 5)
from .mass_test import TEX_POLY_MUL_VALID_RESULTS
for (i, v) in enumerate(permu):
self.assertEqual(tex(v), TEX_POLY_MUL_VALID_RESULTS[i])
def test_add_letter(self):
exps = [[2, "a", op.add],
["a", 3, op.add],
[-2, "a", op.add],
["a", -2, op.add],
]
wanted_render = ["2 + a",
"a + 3",
"-2 + a",
"a - 2",
]
for (i, e) in enumerate(exps):
rend = tex(e)
self.assertEqual(rend, wanted_render[i])
def test_add_fraction(self):
exps = [[2, Fraction(1, 2), op.add],
[Fraction(1, 2), 3, op.add],
]
wanted_render = ["2 + \\frac{ 1 }{ 2 }",
"\\frac{ 1 }{ 2 } + 3",
]
for (i, e) in enumerate(exps):
rend = tex(e)
self.assertEqual(rend, wanted_render[i])
def test_add_poly(self):
exps = [[2, Polynom([1, 2, 3]), op.mul],
[Polynom([1, 2, 3]), 2, op.mul],
[Polynom([1, 2, 3]), Polynom([4, 5, 6]), op.mul],
]
wanted_render = ["2 ( 3 x^{ 2 } + 2 x + 1 )",
"( 3 x^{ 2 } + 2 x + 1 ) \\times 2",
"( 3 x^{ 2 } + 2 x + 1 ) ( 6 x^{ 2 } + 5 x + 4 )",
]
for (i, e) in enumerate(exps):
rend = tex(e)
self.assertEqual(rend, wanted_render[i])
def test_mult_interger(self):
exps = [[2, 3, op.mul],
[2, -3, op.mul],
[-2, 3, op.mul],
]
wanted_render = ["2 \\times 3",
"2 \\times ( -3 )",
"-2 \\times 3",
]
for (i, e) in enumerate(exps):
rend = tex(e)
self.assertEqual(rend, wanted_render[i])
def test_mult_letter(self):
exps = [[2, "a", op.mul],
["a", 3, op.mul],
[-2, "a", op.mul],
["a", -2, op.mul],
]
wanted_render = ["2 a", "a \\times 3", "-2 a", "a \\times ( -2 )"]
for (i, e) in enumerate(exps):
rend = tex(e)
self.assertEqual(rend, wanted_render[i])
def test_mult_fraction(self):
exps = [[2, Fraction(1, 2), op.mul], [Fraction(1, 2), 3, op.mul]]
wanted_render = [
"2 \\times \\frac{ 1 }{ 2 }",
"\\frac{ 1 }{ 2 } \\times 3"]
for (i, e) in enumerate(exps):
rend = tex(e)
self.assertEqual(rend, wanted_render[i])
def test_mult_poly(self):
exps = [[2, Polynom([1, 2, 3]), op.mul],
[Polynom([1, 2, 3]), 2, op.mul],
[Polynom([1, 2, 3]), Polynom([4, 5, 6]), op.mul],
]
wanted_render = ["2 ( 3 x^{ 2 } + 2 x + 1 )",
"( 3 x^{ 2 } + 2 x + 1 ) \\times 2",
"( 3 x^{ 2 } + 2 x + 1 ) ( 6 x^{ 2 } + 5 x + 4 )",
]
for (i, e) in enumerate(exps):
rend = tex(e)
self.assertEqual(rend, wanted_render[i])
def test_parentheses_int(self):
exps = [
[2, 3, op.add, 4, op.mul],
[2, 3, op.mul, 4, op.add],
[2, 3, 4, op.mul, op.add],
[2, 3, 4, op.add, op.add],
[2, 3, 4, op.add, op.sub],
]
wanted_render = [
'( 2 + 3 ) \\times 4',
'2 \\times 3 + 4',
'2 + 3 \\times 4',
'2 + 3 + 4',
'2 - ( 3 + 4 )',
]
for (i, e) in enumerate(exps):
rend = tex(e)
self.assertEqual(rend, wanted_render[i])
def test_parentheses_poly(self):
P = Polynom([1, 2, 3])
Q = Polynom([4, 5, 6])
exps = [
[2, P, op.add],
[2, P, op.sub],
[2, P, P, op.mul, op.sub],
[Q, P, op.add],
[Q, P, op.sub],
]
wanted_render = [
'2 + 3 x^{ 2 } + 2 x + 1',
'2 - ( 3 x^{ 2 } + 2 x + 1 )',
'2 - ( 3 x^{ 2 } + 2 x + 1 ) ( 3 x^{ 2 } + 2 x + 1 )',
'6 x^{ 2 } + 5 x + 4 + 3 x^{ 2 } + 2 x + 1',
'6 x^{ 2 } + 5 x + 4 - ( 3 x^{ 2 } + 2 x + 1 )',
]
for (i, e) in enumerate(exps):
rend = tex(e)
self.assertEqual(rend, wanted_render[i])
def test_slash(self):
pass
class TesttxtRender(unittest.TestCase):
"""Testing functions from mapytex.calculus.renders.txt"""
def test_type_render_int(self):
self.assertEqual(txt([2]), "2")
def test_type_render_str(self):
self.assertEqual(txt(["a"]), "a")
def test_type_render_float(self):
self.assertEqual(txt([12.345]), "12.345")
def test_type_render_fraction(self):
self.assertEqual(txt([Fraction(1, 2)]), "1 / 2")
def test_mult_interger(self):
exps = [[2, 3, op.mul],
[2, -3, op.mul],
[-2, 3, op.mul]]
wanted_render = ["2 * 3", "2 * ( -3 )", "-2 * 3"]
for (i, e) in enumerate(exps):
rend = txt(e)
self.assertEqual(rend, wanted_render[i])
def test_mult_letter(self):
exps = [[2, "a", op.mul],
["a", 3, op.mul],
[-2, "a", op.mul],
["a", -2, op.mul],
["a", -2, op.mul, -2, op.mul],
["a", -2, op.mul, "a", op.mul],
]
wanted_render = ["2 a",
"a * 3",
"-2 a",
"a * ( -2 )",
"a * ( -2 ) * ( -2 )",
"a * ( -2 ) a",
]
for (i, e) in enumerate(exps):
rend = txt(e)
self.assertEqual(rend, wanted_render[i])
def test_mult_fraction(self):
exps = [[2, Fraction(1, 2), op.mul],
[Fraction(1, 2), 3, op.mul]]
wanted_render = ["2 * 1 / 2", "1 / 2 * 3"]
for (i, e) in enumerate(exps):
rend = txt(e)
self.assertEqual(rend, wanted_render[i])
def test_parentheses(self):
mul = op.get_op("*", 2)
add = op.get_op("+", 2)
exps = [
[2, 3, add, 4, mul],
[2, 3, mul, 4, add],
[2, 3, 4, mul, add],
[2, 3, 4, add, add],
]
wanted_render = [
'( 2 + 3 ) * 4',
'2 * 3 + 4',
'2 + 3 * 4',
'2 + 3 + 4',
]
for (i, e) in enumerate(exps):
rend = txt(e)
self.assertEqual(rend, wanted_render[i])
def test_slash(self):
pass
def test_mass_add(self):
permu = mass_poly_test("+", 5)
from .mass_test import POLY_ADD_VALID_RESULTS
for (i, v) in enumerate(permu):
self.assertEqual(txt(v), POLY_ADD_VALID_RESULTS[i])
def test_mass_sub(self):
permu = mass_poly_test("-", 5)
from .mass_test import POLY_SUB_VALID_RESULTS
for (i, v) in enumerate(permu):
self.assertEqual(txt(v), POLY_SUB_VALID_RESULTS[i])
def test_mass_mul(self):
permu = mass_poly_test("*", 5)
from .mass_test import TXT_POLY_MUL_VALID_RESULTS
for (i, v) in enumerate(permu):
self.assertEqual(txt(v), TXT_POLY_MUL_VALID_RESULTS[i])
if __name__ == '__main__':
unittest.main()
# -----------------------------
# Reglages pour 'vim'
# vim:set autoindent expandtab tabstop=4 shiftwidth=4:
# cursor: 16 del