Create membership for user creating project <=> role exists

taiga/projects/models.py

@@ -752,5 +752,9 @@ def project_post_save(sender, instance, created, **kwargs):
 
     instance.save()
 
-    owner_role = instance.roles.get(slug=template.default_owner_role)
-    Membership.objects.create(user=instance.owner, project=instance, role=owner_role, is_owner=True, email=instance.owner.email)
+    try:
+        owner_role = instance.roles.get(slug=template.default_owner_role)
+        Membership.objects.create(user=instance.owner, project=instance, role=owner_role,
+                                  is_owner=True, email=instance.owner.email)
+    except Role.DoesNotExist:
+        pass

tests/factories.py

@@ -20,9 +20,9 @@ import threading
 from datetime import date, timedelta
 
 from django.db.models.loading import get_model
+from django.conf import settings
 
 import factory
-from django.conf import settings
 
 
 class Factory(factory.DjangoModelFactory):
@@ -54,6 +54,7 @@ class ProjectTemplateFactory(Factory):
     priorities = []
     severities = []
     roles = []
+    default_owner_role = "tester"
 
 
 class ProjectFactory(Factory):
@@ -70,6 +71,7 @@ class RoleFactory(Factory):
     FACTORY_FOR = get_model("users", "Role")
 
     name = "Tester"
+    slug = "tester"
     project = factory.SubFactory("tests.factories.ProjectFactory")
 
 
@@ -393,6 +395,8 @@ def create_project(**kwargs):
     defaults = {}
     defaults.update(kwargs)
 
+    ProjectTemplateFactory.create(slug=settings.DEFAULT_PROJECT_TEMPLATE)
+
     project = ProjectFactory.create(**defaults)
     project.default_issue_status = IssueStatusFactory.create(project=project)
     project.default_severity = SeverityFactory.create(project=project)
@@ -404,3 +408,10 @@ def create_project(**kwargs):
     project.save()
 
     return project
+
+
+def create_user(**kwargs):
+    "Create an user along with her dependencies"
+    ProjectTemplateFactory.create(slug=settings.DEFAULT_PROJECT_TEMPLATE)
+    RoleFactory.create()
+    return UserFactory.create(**kwargs)

tests/integration/test_projects.py

@@ -1,6 +1,5 @@
 import pytest
 
-from django.conf import settings
 from django.core.urlresolvers import reverse
 
 from .. import factories as f
@@ -9,8 +8,7 @@ pytestmark = pytest.mark.django_db
 
 
 def test_api_create_project(client):
-    f.ProjectTemplateFactory.create(slug=settings.DEFAULT_PROJECT_TEMPLATE)
-    user = f.UserFactory.create()
+    user = f.create_user()
     url = reverse("projects-list")
     data = {"name": "project name", "description": "project description"}
 
@@ -21,7 +19,6 @@ def test_api_create_project(client):
 
 
 def test_api_partially_update_project(client):
-    f.ProjectTemplateFactory.create(slug=settings.DEFAULT_PROJECT_TEMPLATE)
     project = f.create_project()
     url = reverse("projects-detail", kwargs={"pk": project.pk})
     data = {"name": ""}