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diff --git a/tests/test_ipalib/test_request.py b/tests/test_ipalib/test_request.py
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+# Authors:
+#   Jason Gerard DeRose <jderose@redhat.com>
+#
+# Copyright (C) 2008  Red Hat
+# see file 'COPYING' for use and warranty contextrmation
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; version 2 only
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+"""
+Test the `ipalib.request` module.
+"""
+
+import threading
+import locale
+from tests.util import raises, assert_equal
+from tests.util import TempDir, dummy_ugettext, dummy_ungettext
+from ipalib.constants import OVERRIDE_ERROR
+from ipalib import request
+
+
+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 = dummy_ugettext()
+    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 = dummy_ungettext()
+    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 = dummy_ungettext()
+    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.
+    """
+    f = request.set_languages
+    c = request.context
+    langs = ('ru', 'en')
+
+    # Test that StandardError is raised if languages has already been set:
+    assert not hasattr(c, 'languages')
+    c.languages = None
+    e = raises(StandardError, f, *langs)
+    assert str(e) == OVERRIDE_ERROR % ('context', 'languages', None, langs)
+    del c.languages
+
+    # Test setting the languages:
+    assert not hasattr(c, 'languages')
+    f(*langs)
+    assert c.languages == langs
+    del c.languages
+
+    # Test setting language from locale.getdefaultlocale()
+    assert not hasattr(c, 'languages')
+    f()
+    assert c.languages == locale.getdefaultlocale()[:1]
+    del c.languages
+    assert not hasattr(c, 'languages')
+
+
+def test_create_translation():
+    """
+    Test the `ipalib.request.create_translation` function.
+    """
+    f = request.create_translation
+    c = request.context
+    t = TempDir()
+
+    # Test that StandardError is raised if ugettext or ungettext:
+    assert not (hasattr(c, 'ugettext') or hasattr(c, 'ungettext'))
+    for name in ('ugettext', 'ungettext'):
+        setattr(c, name, None)
+        e = raises(StandardError, f, 'ipa', None)
+        assert str(e) == (
+            'create_translation() already called in thread %r' %
+            threading.currentThread().getName()
+        )
+        delattr(c, name)
+
+    # Test using default language:
+    assert not hasattr(c, 'ugettext')
+    assert not hasattr(c, 'ungettext')
+    assert not hasattr(c, 'languages')
+    f('ipa', t.path)
+    assert hasattr(c, 'ugettext')
+    assert hasattr(c, 'ungettext')
+    assert c.languages == locale.getdefaultlocale()[:1]
+    del c.ugettext
+    del c.ungettext
+    del c.languages
+
+    # Test using explicit languages:
+    langs = ('de', 'es')
+    f('ipa', t.path, *langs)
+    assert hasattr(c, 'ugettext')
+    assert hasattr(c, 'ungettext')
+    assert c.languages == langs
+    del c.ugettext
+    del c.ungettext
+    del c.languages