Add test case for order by translated property

kvesteri · Jan 13, 2015 · 17d5e61 · 17d5e61
1 parent 869d2f9
commit 17d5e61
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diff --git a/tests/__init__.py b/tests/__init__.py
@@ -85,6 +85,7 @@ class ArticleTranslation(translation_base(Article)):
             content = sa.Column(sa.UnicodeText)
 
         self.Article = Article
+        self.ArticleTranslation = ArticleTranslation
 
     def create_article(self):
         article = self.Article(name=u'Something', content=u'Something')

diff --git a/tests/test_join_expressions.py b/tests/test_join_expressions.py
@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+import sqlalchemy as sa
 from tests import DeclarativeTestCase, ClassicTestCase
 
 
@@ -14,6 +15,24 @@ def test_current_translation_as_expression(self):
             in str(query)
         )
 
+    def test_order_by_translation(self):
+        self.session.add(self.Article(name=u'cbc'))
+        self.session.add(self.Article(name=u'abc'))
+        self.session.add(self.Article(name=u'bbc'))
+        self.session.commit()
+
+        current_translation = sa.orm.aliased(self.Article.current_translation)
+        articles = (
+            self.session.query(self.Article)
+            .join(current_translation, self.Article.current_translation)
+            .options(sa.orm.contains_eager(
+                self.Article.current_translation, alias=current_translation)
+            )
+            .order_by(current_translation.name)
+        ).all()
+        names = [a.name for a in articles]
+        assert names == ['abc', 'bbc', 'cbc']
+
     def test_fallback_locale_as_expression(self):
         query = (
             self.session.query(self.Article)