1 files changed, 84 insertions, 0 deletions
diff --git a/tests/model_regress/models.py b/tests/model_regress/models.py
new file mode 100644
index 0000000000..82efb9c783
--- /dev/null
+++ b/tests/model_regress/models.py
@@ -0,0 +1,84 @@
+# coding: utf-8
+from django.db import models
+from django.utils.encoding import python_2_unicode_compatible
+
+
+CHOICES = (
+    (1, 'first'),
+    (2, 'second'),
+)
+
+
+@python_2_unicode_compatible
+class Article(models.Model):
+    headline = models.CharField(max_length=100, default='Default headline')
+    pub_date = models.DateTimeField()
+    status = models.IntegerField(blank=True, null=True, choices=CHOICES)
+    misc_data = models.CharField(max_length=100, blank=True)
+    article_text = models.TextField()
+
+    class Meta:
+        ordering = ('pub_date', 'headline')
+        # A utf-8 verbose name (Ångström's Articles) to test they are valid.
+        verbose_name = "\xc3\x85ngstr\xc3\xb6m's Articles"
+
+    def __str__(self):
+        return self.headline
+
+
+class Movie(models.Model):
+    #5218: Test models with non-default primary keys / AutoFields
+    movie_id = models.AutoField(primary_key=True)
+    name = models.CharField(max_length=60)
+
+
+class Party(models.Model):
+    when = models.DateField(null=True)
+
+
+class Event(models.Model):
+    when = models.DateTimeField()
+
+
+@python_2_unicode_compatible
+class Department(models.Model):
+    id = models.PositiveIntegerField(primary_key=True)
+    name = models.CharField(max_length=200)
+
+    def __str__(self):
+        return self.name
+
+
+@python_2_unicode_compatible
+class Worker(models.Model):
+    department = models.ForeignKey(Department)
+    name = models.CharField(max_length=200)
+
+    def __str__(self):
+        return self.name
+
+
+@python_2_unicode_compatible
+class BrokenUnicodeMethod(models.Model):
+    name = models.CharField(max_length=7)
+
+    def __str__(self):
+        # Intentionally broken (invalid start byte in byte string).
+        return b'Name\xff: %s'.decode() % self.name
+
+
+class NonAutoPK(models.Model):
+    name = models.CharField(max_length=10, primary_key=True)
+
+
+#18432: Chained foreign keys with to_field produce incorrect query
+class Model1(models.Model):
+    pkey = models.IntegerField(unique=True, db_index=True)
+
+
+class Model2(models.Model):
+    model1 = models.ForeignKey(Model1, unique=True, to_field='pkey')
+
+
+class Model3(models.Model):
+    model2 = models.ForeignKey(Model2, unique=True, to_field='model1')