1 files changed, 101 insertions, 0 deletions
diff --git a/tests/backends/models.py b/tests/backends/models.py
new file mode 100644
index 0000000000..5876cbe52d
--- /dev/null
+++ b/tests/backends/models.py
@@ -0,0 +1,101 @@
+from __future__ import unicode_literals
+
+from django.contrib.contenttypes import generic
+from django.contrib.contenttypes.models import ContentType
+from django.db import models, connection
+from django.utils.encoding import python_2_unicode_compatible
+
+
+@python_2_unicode_compatible
+class Square(models.Model):
+    root = models.IntegerField()
+    square = models.PositiveIntegerField()
+
+    def __str__(self):
+        return "%s ** 2 == %s" % (self.root, self.square)
+
+
+@python_2_unicode_compatible
+class Person(models.Model):
+    first_name = models.CharField(max_length=20)
+    last_name = models.CharField(max_length=20)
+
+    def __str__(self):
+        return '%s %s' % (self.first_name, self.last_name)
+
+
+class SchoolClass(models.Model):
+    year = models.PositiveIntegerField()
+    day = models.CharField(max_length=9, blank=True)
+    last_updated = models.DateTimeField()
+
+# Unfortunately, the following model breaks MySQL hard.
+# Until #13711 is fixed, this test can't be run under MySQL.
+if connection.features.supports_long_model_names:
+    class VeryLongModelNameZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ(models.Model):
+        class Meta:
+            # We need to use a short actual table name or
+            # we hit issue #8548 which we're not testing!
+            verbose_name = 'model_with_long_table_name'
+        primary_key_is_quite_long_zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz = models.AutoField(primary_key=True)
+        charfield_is_quite_long_zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz = models.CharField(max_length=100)
+        m2m_also_quite_long_zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz = models.ManyToManyField(Person, blank=True)
+
+
+class Tag(models.Model):
+    name = models.CharField(max_length=30)
+    content_type = models.ForeignKey(ContentType, related_name='backend_tags')
+    object_id = models.PositiveIntegerField()
+    content_object = generic.GenericForeignKey('content_type', 'object_id')
+
+
+class Post(models.Model):
+    name = models.CharField(max_length=30)
+    text = models.TextField()
+    tags = generic.GenericRelation('Tag')
+
+    class Meta:
+        db_table = 'CaseSensitive_Post'
+
+
+@python_2_unicode_compatible
+class Reporter(models.Model):
+    first_name = models.CharField(max_length=30)
+    last_name = models.CharField(max_length=30)
+
+    def __str__(self):
+        return "%s %s" % (self.first_name, self.last_name)
+
+
+@python_2_unicode_compatible
+class Article(models.Model):
+    headline = models.CharField(max_length=100)
+    pub_date = models.DateField()
+    reporter = models.ForeignKey(Reporter)
+
+    def __str__(self):
+        return self.headline
+
+
+@python_2_unicode_compatible
+class Item(models.Model):
+    name = models.CharField(max_length=30)
+    date = models.DateField()
+    time = models.TimeField()
+    last_modified = models.DateTimeField()
+
+    def __str__(self):
+        return self.name
+
+
+@python_2_unicode_compatible
+class Object(models.Model):
+    pass
+
+
+@python_2_unicode_compatible
+class ObjectReference(models.Model):
+    obj = models.ForeignKey(Object, db_constraint=False)
+
+    def __str__(self):
+        return str(self.obj_id)