--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/modeltranslation/tests.py Thu Jan 21 18:41:10 2010 +0100
@@ -0,0 +1,253 @@
+
+from django.conf import settings
+from django.contrib.contenttypes.models import ContentType
+from django.db import models
+from django.test import TestCase
+from django.contrib.auth.models import User
+from django.utils.translation import get_language
+from django.utils.translation import trans_real
+from django.utils.thread_support import currentThread
+
+from modeltranslation import translator
+
+class TestModel(models.Model):
+ title = models.CharField(max_length=255)
+ text = models.TextField(null=True)
+
+class TestTranslationOptions(translator.TranslationOptions):
+ fields = ('title', 'text',)
+
+translator.translator.register(TestModel, TestTranslationOptions)
+
+class ModelTranslationTest(TestCase):
+ "Basic tests for the modeltranslation application."
+
+ urls = 'modeltranslation.testurls'
+
+ def setUp(self):
+ trans_real.activate("de")
+
+ def tearDown(self):
+ trans_real.deactivate()
+
+
+ def test_registration(self):
+ self.client.post('/set_language/', data={'language': 'de'})
+ #self.client.session['django_language'] = 'de-de'
+ #self.client.cookies[settings.LANGUAGE_COOKIE_NAME] = 'de-de'
+
+ langs = tuple(l[0] for l in settings.LANGUAGES)
+ self.failUnlessEqual(2, len(langs))
+ self.failUnless('de' in langs)
+ self.failUnless('en' in langs)
+ self.failUnless(translator.translator)
+
+ # Check that only one model is registered for translation
+ self.failUnlessEqual(len(translator.translator._registry), 1)
+
+ # Try to unregister a model that is not registered
+ self.assertRaises(translator.NotRegistered, translator.translator.unregister, User)
+
+ # Try to get options for a model that is not registered
+ self.assertRaises(translator.NotRegistered, translator.translator.get_options_for_model, User)
+
+
+ def test_translated_models(self):
+ # First create an instance of the test model to play with
+ inst = TestModel.objects.create(title="Testtitle", text="Testtext")
+ field_names = dir(inst)
+ self.failUnless('id' in field_names)
+ self.failUnless('title' in field_names)
+ self.failUnless('text' in field_names)
+ self.failUnless('title_de' in field_names)
+ self.failUnless('title_en' in field_names)
+ self.failUnless('text_de' in field_names)
+ self.failUnless('text_en' in field_names)
+
+ inst.delete()
+
+ def test_set_translation(self):
+ self.failUnlessEqual(get_language(), "de")
+ # First create an instance of the test model to play with
+ title1_de = "title de"
+ title1_en = "title en"
+ title2_de = "title2 de"
+ inst1 = TestModel(title_en=title1_en, text="Testtext")
+ inst1.title = title1_de
+ inst2 = TestModel(title=title2_de, text="Testtext")
+ inst1.save()
+ inst2.save()
+
+ self.failUnlessEqual(inst1.title, title1_de)
+ self.failUnlessEqual(inst1.title_en, title1_en)
+
+ self.failUnlessEqual(inst2.title, title2_de)
+ self.failUnlessEqual(inst2.title_en, None)
+
+ del inst1
+ del inst2
+
+ # Check that the translation fields are correctly saved and provide the
+ # correct value when retrieving them again.
+ n = TestModel.objects.get(title=title1_de)
+ self.failUnlessEqual(n.title, title1_de)
+ self.failUnlessEqual(n.title_en, title1_en)
+
+ def test_titleonly(self):
+ title1_de = "title de"
+ n = TestModel.objects.create(title=title1_de)
+ self.failUnlessEqual(n.title, title1_de)
+ # Because the original field "title" was specified in the constructor
+ # it is directly passed into the instance's __dict__ and the descriptor
+ # which updates the associated default translation field is not called
+ # and the default translation will be None.
+ self.failUnlessEqual(n.title_de, None)
+ self.failUnlessEqual(n.title_en, None)
+
+ # Now assign the title, that triggers the descriptor and the default
+ # translation field is updated
+ n.title = title1_de
+ self.failUnlessEqual(n.title, title1_de)
+ self.failUnlessEqual(n.title_de, title1_de)
+ self.failUnlessEqual(n.title_en, None)
+
+ def test_rule1(self):
+ """
+ Rule 1: Reading the value from the original field returns the value in
+ translated to the current language.
+ """
+ title1_de = "title de"
+ title1_en = "title en"
+ text_de = "Dies ist ein deutscher Satz"
+ text_en = "This is an english sentence"
+
+ # Test 1.
+ n = TestModel.objects.create(title_de=title1_de, title_en=title1_en,
+ text_de=text_de, text_en=text_en)
+ n.save()
+
+ # language is set to "de" at this point
+ self.failUnlessEqual(get_language(), "de")
+ self.failUnlessEqual(n.title, title1_de)
+ self.failUnlessEqual(n.title_de, title1_de)
+ self.failUnlessEqual(n.title_en, title1_en)
+ self.failUnlessEqual(n.text, text_de)
+ self.failUnlessEqual(n.text_de, text_de)
+ self.failUnlessEqual(n.text_en, text_en)
+ # Now switch to "en"
+ trans_real.activate("en")
+ self.failUnlessEqual(get_language(), "en")
+ # Title should now be return the english one (just by switching the
+ # language)
+ self.failUnlessEqual(n.title, title1_en)
+ self.failUnlessEqual(n.text, text_en)
+
+ n = TestModel.objects.create(title_de=title1_de, title_en=title1_en,
+ text_de=text_de, text_en=text_en)
+ n.save()
+ # language is set to "en" at this point
+ self.failUnlessEqual(n.title, title1_en)
+ self.failUnlessEqual(n.title_de, title1_de)
+ self.failUnlessEqual(n.title_en, title1_en)
+ self.failUnlessEqual(n.text, text_en)
+ self.failUnlessEqual(n.text_de, text_de)
+ self.failUnlessEqual(n.text_en, text_en)
+ trans_real.activate("de")
+ self.failUnlessEqual(get_language(), "de")
+ self.failUnlessEqual(n.title, title1_de)
+ self.failUnlessEqual(n.text, text_de)
+ trans_real.deactivate()
+
+
+ def test_rule2(self):
+ """
+ Rule 2: Assigning a value to the original field also updates the value
+ in the associated translation field of the default language
+ """
+ self.failUnlessEqual(get_language(), "de")
+ title1_de = "title de"
+ title1_en = "title en"
+ n = TestModel.objects.create(title_de=title1_de, title_en=title1_en)
+ self.failUnlessEqual(n.title, title1_de)
+ self.failUnlessEqual(n.title_de, title1_de)
+ self.failUnlessEqual(n.title_en, title1_en)
+
+ title2 = "Neuer Titel"
+ n.title = title2
+ n.save()
+ self.failUnlessEqual(n.title, title2)
+ self.failUnlessEqual(n.title, n.title_de)
+
+ trans_real.activate("en")
+ self.failUnlessEqual(get_language(), "en")
+ title3 = "new title"
+
+ n.title = title3
+ n.title_de = title1_de
+ n.save()
+ self.failUnlessEqual(n.title, title3)
+ self.failUnlessEqual(n.title, n.title_en)
+ self.failUnlessEqual(title1_de, n.title_de)
+
+ trans_real.deactivate()
+
+
+ def test_rule3(self):
+ """
+ Rule 3: Assigning a value to a translation field of the default language
+ also updates the original field - note that the value of the original
+ field will not be updated until the model instance is saved.
+ """
+ title1_de = "title de"
+ title1_en = "title en"
+ n = TestModel.objects.create(title_de=title1_de, title_en=title1_en)
+ self.failUnlessEqual(get_language(), "de")
+ self.failUnlessEqual(n.title, title1_de)
+ self.failUnlessEqual(n.title_de, title1_de)
+ self.failUnlessEqual(n.title_en, title1_en)
+
+ n.title_de = "Neuer Titel"
+ n.save()
+ self.failUnlessEqual(n.title, n.title_de)
+
+ # Now switch to "en"
+ trans_real.activate("en")
+ self.failUnlessEqual(get_language(), "en")
+ n.title_en = "New title"
+ # the n.title field is not updated before the instance is saved
+ n.save()
+ self.failUnlessEqual(n.title, n.title_en)
+ trans_real.deactivate()
+
+
+ def test_rule4(self):
+ """
+ Rule 4: If both fields - the original and the translation field of the
+ default language - are updated at the same time, the translation field
+ wins.
+ """
+ self.failUnlessEqual(get_language(), "de")
+ title1_de = "title de"
+ title1_en = "title en"
+ n = TestModel.objects.create(title_de=title1_de, title_en=title1_en)
+ self.failUnlessEqual(n.title, title1_de)
+ self.failUnlessEqual(n.title_de, title1_de)
+ self.failUnlessEqual(n.title_en, title1_en)
+
+ title2_de = "neu de"
+ title2_en = "new en"
+ title_foo = "foo"
+ n.title = title_foo
+ n.title_de = title2_de
+ n.title_en = title2_en
+ n.save()
+ self.failUnlessEqual(n.title, title2_de)
+ self.failUnlessEqual(n.title_de, title2_de)
+ self.failUnlessEqual(n.title_en, title2_en)
+
+ n.title = title_foo
+ n.save()
+ self.failUnlessEqual(n.title, title_foo)
+ self.failUnlessEqual(n.title_de, title_foo)
+ self.failUnlessEqual(n.title_en, title2_en)
+
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