-# -*- coding: utf-8 -*-
-from django.conf import settings
-from django.contrib.auth.models import User
-from django.contrib.contenttypes.models import ContentType
-from django.db import models
-from django.test import TestCase
-from django.utils.thread_support import currentThread
-from django.utils.translation import get_language
-from django.utils.translation import trans_real
-
-# TODO: tests for TranslationAdmin
-
-from modeltranslation import translator
-
-settings.LANGUAGES = (('de', 'Deutsch'),
- ('en', 'English'))
-
-
-class TestModel(models.Model):
- title = models.CharField(max_length=255)
- text = models.TextField(null=True)
-
-
-class TestTranslationOptions(translator.TranslationOptions):
- fields = ('title', 'text',)
-
-
-translator.translator._registry = {}
-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)