1 files changed, 65 insertions, 0 deletions
diff --git a/tests/modeltests/invalid_models/models.py b/tests/modeltests/invalid_models/models.py
index 48e574af48..470afff4fe 100644
--- a/tests/modeltests/invalid_models/models.py
+++ b/tests/modeltests/invalid_models/models.py
@@ -110,6 +110,63 @@ class Car(models.Model):
 class MissingRelations(models.Model):
     rel1 = models.ForeignKey("Rel1")
     rel2 = models.ManyToManyField("Rel2")
+    
+class MissingManualM2MModel(models.Model):
+    name = models.CharField(max_length=5)
+    missing_m2m = models.ManyToManyField(Model, through="MissingM2MModel")
+    
+class Person(models.Model):
+    name = models.CharField(max_length=5)
+
+class Group(models.Model):
+    name = models.CharField(max_length=5)
+    primary = models.ManyToManyField(Person, through="Membership", related_name="primary")
+    secondary = models.ManyToManyField(Person, through="Membership", related_name="secondary")
+    tertiary = models.ManyToManyField(Person, through="RelationshipDoubleFK", related_name="tertiary")
+
+class GroupTwo(models.Model):
+    name = models.CharField(max_length=5)
+    primary = models.ManyToManyField(Person, through="Membership")
+    secondary = models.ManyToManyField(Group, through="MembershipMissingFK")
+
+class Membership(models.Model):
+    person = models.ForeignKey(Person)
+    group = models.ForeignKey(Group)
+    not_default_or_null = models.CharField(max_length=5)
+
+class MembershipMissingFK(models.Model):
+    person = models.ForeignKey(Person)
+
+class PersonSelfRefM2M(models.Model):
+    name = models.CharField(max_length=5)
+    friends = models.ManyToManyField('self', through="Relationship")
+    too_many_friends = models.ManyToManyField('self', through="RelationshipTripleFK")
+
+class PersonSelfRefM2MExplicit(models.Model):
+    name = models.CharField(max_length=5)
+    friends = models.ManyToManyField('self', through="ExplicitRelationship", symmetrical=True)
+
+class Relationship(models.Model):
+    first = models.ForeignKey(PersonSelfRefM2M, related_name="rel_from_set")
+    second = models.ForeignKey(PersonSelfRefM2M, related_name="rel_to_set")
+    date_added = models.DateTimeField()
+
+class ExplicitRelationship(models.Model):
+    first = models.ForeignKey(PersonSelfRefM2MExplicit, related_name="rel_from_set")
+    second = models.ForeignKey(PersonSelfRefM2MExplicit, related_name="rel_to_set")
+    date_added = models.DateTimeField()
+
+class RelationshipTripleFK(models.Model):
+    first = models.ForeignKey(PersonSelfRefM2M, related_name="rel_from_set_2")
+    second = models.ForeignKey(PersonSelfRefM2M, related_name="rel_to_set_2")
+    third = models.ForeignKey(PersonSelfRefM2M, related_name="too_many_by_far")
+    date_added = models.DateTimeField()
+
+class RelationshipDoubleFK(models.Model):
+    first = models.ForeignKey(Person, related_name="first_related_name")
+    second = models.ForeignKey(Person, related_name="second_related_name")
+    third = models.ForeignKey(Group, related_name="rel_to_set")
+    date_added = models.DateTimeField()
 
 model_errors = """invalid_models.fielderrors: "charfield": CharFields require a "max_length" attribute.
 invalid_models.fielderrors: "decimalfield": DecimalFields require a "decimal_places" attribute.
@@ -195,4 +252,12 @@ invalid_models.selfclashm2m: Reverse query name for m2m field 'm2m_3' clashes wi
 invalid_models.selfclashm2m: Reverse query name for m2m field 'm2m_4' clashes with field 'SelfClashM2M.selfclashm2m'. Add a related_name argument to the definition for 'm2m_4'.
 invalid_models.missingrelations: 'rel2' has m2m relation with model Rel2, which has not been installed
 invalid_models.missingrelations: 'rel1' has relation with model Rel1, which has not been installed
+invalid_models.grouptwo: 'primary' has a manually-defined m2m relation through model Membership, which does not have foreign keys to Person and GroupTwo
+invalid_models.grouptwo: 'secondary' has a manually-defined m2m relation through model MembershipMissingFK, which does not have foreign keys to Group and GroupTwo
+invalid_models.missingmanualm2mmodel: 'missing_m2m' specifies an m2m relation through model MissingM2MModel, which has not been installed
+invalid_models.group: The model Group has two manually-defined m2m relations through the model Membership, which is not permitted. Please consider using an extra field on your intermediary model instead.
+invalid_models.group: Intermediary model RelationshipDoubleFK has more than one foreign key to Person, which is ambiguous and is not permitted.
+invalid_models.personselfrefm2m: Many-to-many fields with intermediate tables cannot be symmetrical.
+invalid_models.personselfrefm2m: Intermediary model RelationshipTripleFK has more than two foreign keys to PersonSelfRefM2M, which is ambiguous and is not permitted.
+invalid_models.personselfrefm2mexplicit: Many-to-many fields with intermediate tables cannot be symmetrical.
 """