Added request.ugettext() and request.ungettext() functions; added corresponding unit tests

tests/test_ipalib/test_request.py

@@ -23,11 +23,77 @@ Test the `ipalib.request` module.
 
 import threading
 import locale
-from tests.util import raises, TempDir
+from tests.util import raises, TempDir, DummyUGettext, DummyUNGettext
 from ipalib.constants import OVERRIDE_ERROR
 from ipalib import request
 
 
+def assert_equal(val1, val2):
+    assert type(val1) is type(val2), '%r != %r' % (val1, val2)
+    assert val1 == val2, '%r != %r' % (val1, val2)
+
+
+def test_ugettext():
+    """
+    Test the `ipalib.request.ugettext` function.
+    """
+    f = request.ugettext
+    context = request.context
+    message = 'Hello, world!'
+
+    # Test with no context.ugettext:
+    assert not hasattr(context, 'ugettext')
+    assert_equal(f(message), u'Hello, world!')
+
+    # Test with dummy context.ugettext:
+    assert not hasattr(context, 'ugettext')
+    dummy = DummyUGettext()
+    context.ugettext = dummy
+    assert f(message) is dummy.translation
+    assert dummy.message is message
+
+    # Cleanup
+    del context.ugettext
+    assert not hasattr(context, 'ugettext')
+
+
+def test_ungettext():
+    """
+    Test the `ipalib.request.ungettext` function.
+    """
+    f = request.ungettext
+    context = request.context
+    singular = 'Goose'
+    plural = 'Geese'
+
+    # Test with no context.ungettext:
+    assert not hasattr(context, 'ungettext')
+    assert_equal(f(singular, plural, 1), u'Goose')
+    assert_equal(f(singular, plural, 2), u'Geese')
+
+    # Test singular with dummy context.ungettext
+    assert not hasattr(context, 'ungettext')
+    dummy = DummyUNGettext()
+    context.ungettext = dummy
+    assert f(singular, plural, 1) is dummy.translation_singular
+    assert dummy.singular is singular
+    assert dummy.plural is plural
+    assert dummy.n == 1
+    del context.ungettext
+    assert not hasattr(context, 'ungettext')
+
+    # Test plural with dummy context.ungettext
+    assert not hasattr(context, 'ungettext')
+    dummy = DummyUNGettext()
+    context.ungettext = dummy
+    assert f(singular, plural, 2) is dummy.translation_plural
+    assert dummy.singular is singular
+    assert dummy.plural is plural
+    assert dummy.n == 2
+    del context.ungettext
+    assert not hasattr(context, 'ungettext')
+
+
 def test_set_languages():
     """
     Test the `ipalib.request.set_languages` function.

tests/util.py

@@ -277,3 +277,38 @@ class PluginTester(object):
         (api, home) = self.finalize(*plugins, **kw)
         o = api[namespace][self.plugin.__name__]
         return (o, api, home)
+
+
+class DummyUGettext(object):
+    __called = False
+
+    def __init__(self):
+        self.translation = u'The translation'
+
+    def __call__(self, message):
+        assert type(message) is str
+        assert self.__called is False
+        self.__called = True
+        self.message = message
+        return self.translation
+
+
+class DummyUNGettext(object):
+    __called = False
+
+    def __init__(self):
+        self.translation_singular = u'The singular translation'
+        self.translation_plural = u'The plural translation'
+
+    def __call__(self, singular, plural, n):
+        assert type(singular) is str
+        assert type(plural) is str
+        assert type(n) is int
+        assert self.__called is False
+        self.__called = True
+        self.singular = singular
+        self.plural = plural
+        self.n = n
+        if n == 1:
+            return self.translation_singular
+        return self.translation_plural