added Credential.migrate_to_rbac and tests

awx/main/tests/functional/test_rbac_credential.py

@@ -0,0 +1,44 @@
+import pytest
+
+@pytest.mark.django_db
+def test_credential_migration_user(credential, user, permissions):
+    u = user('user', False)
+    credential.user = u
+    migrated = credential.migrate_to_rbac()
+    assert len(migrated) == 1
+    assert credential.accessible_by(u, permissions['admin'])
+
+@pytest.mark.django_db
+def test_credential_usage_role(credential, user, permissions):
+    u = user('user', False)
+    credential.usage_role.members.add(u)
+    assert credential.accessible_by(u, permissions['usage'])
+
+@pytest.mark.django_db
+def test_credential_migration_team_member(credential, team, user, permissions):
+    u = user('user', False)
+    team.admin_role.members.add(u)
+    credential.team = team
+
+    # No permissions pre-migration
+    assert credential.accessible_by(u, permissions['admin']) == False
+
+    migrated = credential.migrate_to_rbac()
+    # Admin permissions post migration
+    assert len(migrated) == 1
+    assert credential.accessible_by(u, permissions['admin'])
+
+@pytest.mark.django_db
+def test_credential_migration_team_admin(credential, team, user, permissions):
+    u = user('user', False)
+    team.member_role.members.add(u)
+    credential.team = team
+
+    # No permissions pre-migration
+    assert credential.accessible_by(u, permissions['usage']) == False
+
+    # Usage permissions post migration
+    migrated = credential.migrate_to_rbac()
+    assert len(migrated) == 1
+    assert credential.accessible_by(u, permissions['usage'])
+