/usr/lib/python3/dist-packages/pint/testsuite/test_util.py is in python3-pint 0.6-1ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 | # -*- coding: utf-8 -*-
from __future__ import division, unicode_literals, print_function, absolute_import
import collections
from pint.testsuite import BaseTestCase
from pint.util import (string_preprocessor, find_shortest_path, matrix_to_string,
transpose, find_connected_nodes, ParserHelper)
class TestParseHelper(BaseTestCase):
def test_basic(self):
# Parse Helper ar mutables, so we build one everytime
x = lambda: ParserHelper(1, meter=2)
xp = lambda: ParserHelper(1, meter=2)
y = lambda: ParserHelper(2, meter=2)
self.assertEqual(x(), xp())
self.assertNotEqual(x(), y())
self.assertEqual(ParserHelper.from_string(''), ParserHelper())
self.assertEqual(repr(x()), "<ParserHelper(1, {'meter': 2})>")
self.assertEqual(ParserHelper(2), 2)
self.assertEqual(x(), dict(meter=2))
self.assertEqual(x(), 'meter ** 2')
self.assertNotEqual(y(), dict(meter=2))
self.assertNotEqual(y(), 'meter ** 2')
self.assertNotEqual(xp(), object())
def test_calculate(self):
# Parse Helper ar mutables, so we build one everytime
x = lambda: ParserHelper(1., meter=2)
y = lambda: ParserHelper(2., meter=-2)
z = lambda: ParserHelper(2., meter=2)
self.assertEqual(x() * 4., ParserHelper(4., meter=2))
self.assertEqual(x() * y(), ParserHelper(2.))
self.assertEqual(x() * 'second', ParserHelper(1., meter=2, second=1))
self.assertEqual(x() / 4., ParserHelper(0.25, meter=2))
self.assertEqual(x() / 'second', ParserHelper(1., meter=2, second=-1))
self.assertEqual(x() / z(), ParserHelper(0.5))
self.assertEqual(4. / z(), ParserHelper(2., meter=-2))
self.assertEqual('seconds' / z(), ParserHelper(0.5, seconds=1, meter=-2))
self.assertEqual(dict(seconds=1) / z(), ParserHelper(0.5, seconds=1, meter=-2))
class TestStringProcessor(BaseTestCase):
def _test(self, bef, aft):
for pattern in ('{0}', '+{0}+'):
b = pattern.format(bef)
a = pattern.format(aft)
self.assertEqual(string_preprocessor(b), a)
def test_square_cube(self):
self._test('bcd^3', 'bcd**3')
self._test('bcd^ 3', 'bcd** 3')
self._test('bcd ^3', 'bcd **3')
self._test('bcd squared', 'bcd**2')
self._test('bcd squared', 'bcd**2')
self._test('bcd cubed', 'bcd**3')
self._test('sq bcd', 'bcd**2')
self._test('square bcd', 'bcd**2')
self._test('cubic bcd', 'bcd**3')
self._test('bcd efg', 'bcd*efg')
def test_per(self):
self._test('miles per hour', 'miles/hour')
def test_numbers(self):
self._test('1,234,567', '1234567')
self._test('1e-24', '1e-24')
self._test('1e+24', '1e+24')
self._test('1e24', '1e24')
self._test('1E-24', '1E-24')
self._test('1E+24', '1E+24')
self._test('1E24', '1E24')
def test_space_multiplication(self):
self._test('bcd efg', 'bcd*efg')
self._test('bcd efg', 'bcd*efg')
self._test('1 hour', '1*hour')
self._test('1. hour', '1.*hour')
self._test('1.1 hour', '1.1*hour')
self._test('1E24 hour', '1E24*hour')
self._test('1E-24 hour', '1E-24*hour')
self._test('1E+24 hour', '1E+24*hour')
self._test('1.2E24 hour', '1.2E24*hour')
self._test('1.2E-24 hour', '1.2E-24*hour')
self._test('1.2E+24 hour', '1.2E+24*hour')
def test_joined_multiplication(self):
self._test('1hour', '1*hour')
self._test('1.hour', '1.*hour')
self._test('1.1hour', '1.1*hour')
self._test('1h', '1*h')
self._test('1.h', '1.*h')
self._test('1.1h', '1.1*h')
def test_names(self):
self._test('g_0', 'g_0')
self._test('g0', 'g0')
self._test('g', 'g')
self._test('water_60F', 'water_60F')
class TestGraph(BaseTestCase):
def test_start_not_in_graph(self):
g = collections.defaultdict(list)
g[1] = set((2,))
g[2] = set((3,))
self.assertIs(find_connected_nodes(g, 9), None)
def test_shortest_path(self):
g = collections.defaultdict(list)
g[1] = set((2,))
g[2] = set((3,))
p = find_shortest_path(g, 1, 2)
self.assertEqual(p, [1, 2])
p = find_shortest_path(g, 1, 3)
self.assertEqual(p, [1, 2, 3])
p = find_shortest_path(g, 3, 1)
self.assertIs(p, None)
g = collections.defaultdict(list)
g[1] = set((2,))
g[2] = set((3, 1))
g[3] = set((2,))
p = find_shortest_path(g, 1, 2)
self.assertEqual(p, [1, 2])
p = find_shortest_path(g, 1, 3)
self.assertEqual(p, [1, 2, 3])
p = find_shortest_path(g, 3, 1)
self.assertEqual(p, [3, 2, 1])
p = find_shortest_path(g, 2, 1)
self.assertEqual(p, [2, 1])
class TestMatrix(BaseTestCase):
def test_matrix_to_string(self):
self.assertEqual(matrix_to_string([[1, 2], [3, 4]],
row_headers=None,
col_headers=None),
'1\t2\n'
'3\t4')
self.assertEqual(matrix_to_string([[1, 2], [3, 4]],
row_headers=None,
col_headers=None,
fmtfun=lambda x: '{0:.2f}'.format(x)),
'1.00\t2.00\n'
'3.00\t4.00')
self.assertEqual(matrix_to_string([[1, 2], [3, 4]],
row_headers=['c', 'd'],
col_headers=None),
'c\t1\t2\n'
'd\t3\t4')
self.assertEqual(matrix_to_string([[1, 2], [3, 4]],
row_headers=None,
col_headers=['a', 'b']),
'a\tb\n'
'1\t2\n'
'3\t4')
self.assertEqual(matrix_to_string([[1, 2], [3, 4]],
row_headers=['c', 'd'],
col_headers=['a', 'b']),
'\ta\tb\n'
'c\t1\t2\n'
'd\t3\t4')
def test_transpose(self):
self.assertEqual(transpose([[1, 2], [3, 4]]), [[1, 3], [2, 4]])
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