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annotate babel/tests/support.py @ 599:33c8c68b96c7 trunk

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change constructor for babel.support.Translations to __init__(fp=None, domain=None) as its super class gettext.GNUTranslations uses "fp" as well (even if "fileobj" is a better name)
author fschwarz
date Mon, 20 Aug 2012 19:34:42 +0000
parents 838ba3796ad6
children 60f716236946
rev   line source
61
9d13b9a5d727 Move `Translations` and `LazyProxy` to new `babel.support` module, which should contain any convenience code that is useful for applications using Babel/I18n, but not used by Babel itself.
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1 # -*- coding: utf-8 -*-
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2 #
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3 # Copyright (C) 2007-2011 Edgewall Software
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4 # All rights reserved.
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5 #
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6 # This software is licensed as described in the file COPYING, which
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7 # you should have received as part of this distribution. The terms
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8 # are also available at http://babel.edgewall.org/wiki/License.
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9 #
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10 # This software consists of voluntary contributions made by many
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11 # individuals. For the exact contribution history, see the revision
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12 # history and logs, available at http://babel.edgewall.org/log/.
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13
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14 import doctest
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15 import inspect
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16 import os
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17 from StringIO import StringIO
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18 import unittest
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19
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20 from babel import support
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21 from babel.messages import Catalog
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22 from babel.messages.mofile import write_mo
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23
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24 class TranslationsTestCase(unittest.TestCase):
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25
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26 def setUp(self):
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27 # Use a locale which won't fail to run the tests
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28 os.environ['LANG'] = 'en_US.UTF-8'
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29 messages1 = [
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30 ('foo', {'string': 'Voh'}),
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31 ('foo', {'string': 'VohCTX', 'context': 'foo'}),
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32 (('foo1', 'foos1'), {'string': ('Voh1', 'Vohs1')}),
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33 (('foo1', 'foos1'), {'string': ('VohCTX1', 'VohsCTX1'), 'context': 'foo'}),
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34 ]
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35 messages2 = [
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36 ('foo', {'string': 'VohD'}),
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37 ('foo', {'string': 'VohCTXD', 'context': 'foo'}),
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38 (('foo1', 'foos1'), {'string': ('VohD1', 'VohsD1')}),
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39 (('foo1', 'foos1'), {'string': ('VohCTXD1', 'VohsCTXD1'), 'context': 'foo'}),
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40 ]
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41 catalog1 = Catalog(locale='en_GB', domain='messages')
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42 catalog2 = Catalog(locale='en_GB', domain='messages1')
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43 for ids, kwargs in messages1:
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44 catalog1.add(ids, **kwargs)
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45 for ids, kwargs in messages2:
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46 catalog2.add(ids, **kwargs)
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47 catalog1_fp = StringIO()
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48 catalog2_fp = StringIO()
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49 write_mo(catalog1_fp, catalog1)
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50 catalog1_fp.seek(0)
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51 write_mo(catalog2_fp, catalog2)
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52 catalog2_fp.seek(0)
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53 translations1 = support.Translations(catalog1_fp)
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54 translations2 = support.Translations(catalog2_fp, domain='messages1')
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55 self.translations = translations1.add(translations2, merge=False)
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56
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57 def assertEqualTypeToo(self, expected, result):
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58 self.assertEqual(expected, result)
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59 assert type(expected) == type(result), "instance type's do not " + \
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60 "match: %r!=%r" % (type(expected), type(result))
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61
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62 def test_pgettext(self):
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63 self.assertEqualTypeToo('Voh', self.translations.gettext('foo'))
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64 self.assertEqualTypeToo('VohCTX', self.translations.pgettext('foo',
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65 'foo'))
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66
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67 def test_upgettext(self):
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68 self.assertEqualTypeToo(u'Voh', self.translations.ugettext('foo'))
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69 self.assertEqualTypeToo(u'VohCTX', self.translations.upgettext('foo',
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70 'foo'))
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71
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72 def test_lpgettext(self):
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73 self.assertEqualTypeToo('Voh', self.translations.lgettext('foo'))
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74 self.assertEqualTypeToo('VohCTX', self.translations.lpgettext('foo',
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75 'foo'))
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76
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77 def test_npgettext(self):
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78 self.assertEqualTypeToo('Voh1',
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79 self.translations.ngettext('foo1', 'foos1', 1))
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80 self.assertEqualTypeToo('Vohs1',
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81 self.translations.ngettext('foo1', 'foos1', 2))
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82 self.assertEqualTypeToo('VohCTX1',
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83 self.translations.npgettext('foo', 'foo1',
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84 'foos1', 1))
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85 self.assertEqualTypeToo('VohsCTX1',
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86 self.translations.npgettext('foo', 'foo1',
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87 'foos1', 2))
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88
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89 def test_unpgettext(self):
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90 self.assertEqualTypeToo(u'Voh1',
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91 self.translations.ungettext('foo1', 'foos1', 1))
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92 self.assertEqualTypeToo(u'Vohs1',
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93 self.translations.ungettext('foo1', 'foos1', 2))
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94 self.assertEqualTypeToo(u'VohCTX1',
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95 self.translations.unpgettext('foo', 'foo1',
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96 'foos1', 1))
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97 self.assertEqualTypeToo(u'VohsCTX1',
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98 self.translations.unpgettext('foo', 'foo1',
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99 'foos1', 2))
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100
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101 def test_lnpgettext(self):
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102 self.assertEqualTypeToo('Voh1',
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103 self.translations.lngettext('foo1', 'foos1', 1))
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104 self.assertEqualTypeToo('Vohs1',
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105 self.translations.lngettext('foo1', 'foos1', 2))
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106 self.assertEqualTypeToo('VohCTX1',
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107 self.translations.lnpgettext('foo', 'foo1',
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108 'foos1', 1))
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109 self.assertEqualTypeToo('VohsCTX1',
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110 self.translations.lnpgettext('foo', 'foo1',
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111 'foos1', 2))
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112
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113 def test_dpgettext(self):
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114 self.assertEqualTypeToo(
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115 'VohD', self.translations.dgettext('messages1', 'foo'))
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116 self.assertEqualTypeToo(
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117 'VohCTXD', self.translations.dpgettext('messages1', 'foo', 'foo'))
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118
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119 def test_dupgettext(self):
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120 self.assertEqualTypeToo(
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121 u'VohD', self.translations.dugettext('messages1', 'foo'))
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122 self.assertEqualTypeToo(
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123 u'VohCTXD', self.translations.dupgettext('messages1', 'foo', 'foo'))
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124
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125 def test_ldpgettext(self):
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126 self.assertEqualTypeToo(
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127 'VohD', self.translations.ldgettext('messages1', 'foo'))
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128 self.assertEqualTypeToo(
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129 'VohCTXD', self.translations.ldpgettext('messages1', 'foo', 'foo'))
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130
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131 def test_dnpgettext(self):
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132 self.assertEqualTypeToo(
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133 'VohD1', self.translations.dngettext('messages1', 'foo1', 'foos1', 1))
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134 self.assertEqualTypeToo(
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135 'VohsD1', self.translations.dngettext('messages1', 'foo1', 'foos1', 2))
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136 self.assertEqualTypeToo(
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137 'VohCTXD1', self.translations.dnpgettext('messages1', 'foo', 'foo1',
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138 'foos1', 1))
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139 self.assertEqualTypeToo(
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140 'VohsCTXD1', self.translations.dnpgettext('messages1', 'foo', 'foo1',
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141 'foos1', 2))
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142
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143 def test_dunpgettext(self):
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144 self.assertEqualTypeToo(
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145 u'VohD1', self.translations.dungettext('messages1', 'foo1', 'foos1', 1))
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146 self.assertEqualTypeToo(
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147 u'VohsD1', self.translations.dungettext('messages1', 'foo1', 'foos1', 2))
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148 self.assertEqualTypeToo(
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149 u'VohCTXD1', self.translations.dunpgettext('messages1', 'foo', 'foo1',
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150 'foos1', 1))
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151 self.assertEqualTypeToo(
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152 u'VohsCTXD1', self.translations.dunpgettext('messages1', 'foo', 'foo1',
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153 'foos1', 2))
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154
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155 def test_ldnpgettext(self):
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156 self.assertEqualTypeToo(
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157 'VohD1', self.translations.ldngettext('messages1', 'foo1', 'foos1', 1))
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158 self.assertEqualTypeToo(
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159 'VohsD1', self.translations.ldngettext('messages1', 'foo1', 'foos1', 2))
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160 self.assertEqualTypeToo(
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161 'VohCTXD1', self.translations.ldnpgettext('messages1', 'foo', 'foo1',
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162 'foos1', 1))
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163 self.assertEqualTypeToo(
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164 'VohsCTXD1', self.translations.ldnpgettext('messages1', 'foo', 'foo1',
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165 'foos1', 2))
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166
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167
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168 class NullTranslationsTestCase(unittest.TestCase):
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169 def setUp(self):
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170 fp = StringIO()
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171 write_mo(fp, Catalog(locale='de'))
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172 fp.seek(0)
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173 self.translations = support.Translations(fp=fp)
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174 self.null_translations = support.NullTranslations(fp=fp)
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175
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176 def method_names(self):
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177 return [name for name in dir(self.translations) if 'gettext' in name]
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178
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179 def test_same_methods(self):
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180 for name in self.method_names():
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181 if not hasattr(self.null_translations, name):
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182 self.fail('NullTranslations does not provide method %r' % name)
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183
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184 def test_method_signature_compatibility(self):
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185 for name in self.method_names():
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186 translations_method = getattr(self.translations, name)
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187 null_method = getattr(self.null_translations, name)
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188 signature = inspect.getargspec
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189 self.assertEqual(signature(translations_method),
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190 signature(null_method))
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191
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192 def test_same_return_values(self):
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193 data = {
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194 'message': u'foo', 'domain': u'domain', 'context': 'tests',
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195 'singular': u'bar', 'plural': u'baz', 'num': 1,
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196 'msgid1': u'bar', 'msgid2': u'baz', 'n': 1,
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197 }
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198 for name in self.method_names():
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199 method = getattr(self.translations, name)
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200 null_method = getattr(self.null_translations, name)
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201 signature = inspect.getargspec(method)
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202 parameter_names = [name for name in signature[0] if name != 'self']
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203 values = [data[name] for name in parameter_names]
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204 self.assertEqual(method(*values), null_method(*values))
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205
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206
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207 class LazyProxyTestCase(unittest.TestCase):
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208 def test_proxy_caches_result_of_function_call(self):
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209 self.counter = 0
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210 def add_one():
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211 self.counter += 1
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212 return self.counter
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213 proxy = support.LazyProxy(add_one)
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214 self.assertEqual(1, proxy.value)
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215 self.assertEqual(1, proxy.value)
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216
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217 def test_can_disable_proxy_cache(self):
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218 self.counter = 0
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219 def add_one():
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220 self.counter += 1
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221 return self.counter
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222 proxy = support.LazyProxy(add_one, enable_cache=False)
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223 self.assertEqual(1, proxy.value)
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224 self.assertEqual(2, proxy.value)
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225
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226
61
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227 def suite():
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228 suite = unittest.TestSuite()
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229 suite.addTest(doctest.DocTestSuite(support))
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230 suite.addTest(unittest.makeSuite(TranslationsTestCase, 'test'))
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231 suite.addTest(unittest.makeSuite(NullTranslationsTestCase, 'test'))
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232 suite.addTest(unittest.makeSuite(LazyProxyTestCase, 'test'))
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233 return suite
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234
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235 if __name__ == '__main__':
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236 unittest.main(defaultTest='suite')
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