Create models directly in migration specs

Instead of using the factories. Since the factories might be using
columns that aren't available in the schema at version the particular
spec is running in.

spec/lib/gitlab/background_migration/create_fork_network_memberships_range_spec.rb

@@ -2,19 +2,20 @@ require 'spec_helper'
 
 describe Gitlab::BackgroundMigration::CreateForkNetworkMembershipsRange, :migration, schema: 20170929131201 do
   let(:migration) { described_class.new }
+  let(:projects) { table(:projects) }
 
-  let(:base1) { create(:project) }
-  let(:base1_fork1) { create(:project) }
-  let(:base1_fork2) { create(:project) }
+  let(:base1) { projects.create }
+  let(:base1_fork1) { projects.create }
+  let(:base1_fork2) { projects.create }
 
-  let(:base2) { create(:project) }
-  let(:base2_fork1) { create(:project) }
-  let(:base2_fork2) { create(:project) }
+  let(:base2) { projects.create }
+  let(:base2_fork1) { projects.create }
+  let(:base2_fork2) { projects.create }
 
-  let(:fork_of_fork) { create(:project) }
-  let(:fork_of_fork2) { create(:project) }
-  let(:second_level_fork) { create(:project) }
-  let(:third_level_fork) { create(:project) }
+  let(:fork_of_fork) { projects.create }
+  let(:fork_of_fork2) { projects.create }
+  let(:second_level_fork) { projects.create }
+  let(:third_level_fork) { projects.create }
 
   let(:fork_network1) { fork_networks.find_by(root_project_id: base1.id) }
   let(:fork_network2) { fork_networks.find_by(root_project_id: base2.id) }
@@ -97,7 +98,7 @@ describe Gitlab::BackgroundMigration::CreateForkNetworkMembershipsRange, :migrat
   end
 
   it 'does not miss members for forks of forks for which the root was deleted' do
-    forked_project_links.create(id: 9, forked_from_project_id: base1_fork1.id, forked_to_project_id: create(:project).id)
+    forked_project_links.create(id: 9, forked_from_project_id: base1_fork1.id, forked_to_project_id: projects.create.id)
     base1.destroy
 
     expect(migration.missing_members?(7, 10)).to be_falsy
@@ -105,8 +106,8 @@ describe Gitlab::BackgroundMigration::CreateForkNetworkMembershipsRange, :migrat
 
   context 'with more forks' do
     before do
-      forked_project_links.create(id: 9, forked_from_project_id: fork_of_fork.id, forked_to_project_id: create(:project).id)
-      forked_project_links.create(id: 10, forked_from_project_id: fork_of_fork.id, forked_to_project_id: create(:project).id)
+      forked_project_links.create(id: 9, forked_from_project_id: fork_of_fork.id, forked_to_project_id: projects.create.id)
+      forked_project_links.create(id: 10, forked_from_project_id: fork_of_fork.id, forked_to_project_id: projects.create.id)
     end
 
     it 'only processes a single batch of links at a time' do

spec/lib/gitlab/background_migration/migrate_events_to_push_event_payloads_spec.rb

@@ -225,7 +225,8 @@ describe Gitlab::BackgroundMigration::MigrateEventsToPushEventPayloads, :migrati
   let(:user_class) { table(:users) }
   let(:author) { build(:user).becomes(user_class).tap(&:save!).becomes(User) }
   let(:namespace) { create(:namespace, owner: author) }
-  let(:project) { create(:project_empty_repo, namespace: namespace, creator: author) }
+  let(:projects) { table(:projects) }
+  let(:project) { projects.create(namespace_id: namespace.id, creator_id: author.id) }
 
   # We can not rely on FactoryGirl as the state of Event may change in ways that
   # the background migration does not expect, hence we use the Event class of

spec/lib/gitlab/background_migration/populate_fork_networks_range_spec.rb

@@ -2,10 +2,11 @@ require 'spec_helper'
 
 describe Gitlab::BackgroundMigration::PopulateForkNetworksRange, :migration, schema: 20170929131201 do
   let(:migration) { described_class.new }
-  let(:base1) { create(:project) }
+  let(:projects) { table(:projects) }
+  let(:base1) { projects.create }
 
-  let(:base2) { create(:project) }
-  let(:base2_fork1) { create(:project) }
+  let(:base2) { projects.create }
+  let(:base2_fork1) { projects.create }
 
   let!(:forked_project_links) { table(:forked_project_links) }
   let!(:fork_networks) { table(:fork_networks) }
@@ -18,10 +19,10 @@ describe Gitlab::BackgroundMigration::PopulateForkNetworksRange, :migration, sch
     # A normal fork link
     forked_project_links.create(id: 1,
                                 forked_from_project_id: base1.id,
-                                forked_to_project_id: create(:project).id)
+                                forked_to_project_id: projects.create.id)
     forked_project_links.create(id: 2,
                                 forked_from_project_id: base1.id,
-                                forked_to_project_id: create(:project).id)
+                                forked_to_project_id: projects.create.id)
     forked_project_links.create(id: 3,
                                 forked_from_project_id: base2.id,
                                 forked_to_project_id: base2_fork1.id)
@@ -29,10 +30,10 @@ describe Gitlab::BackgroundMigration::PopulateForkNetworksRange, :migration, sch
     # create a fork of a fork
     forked_project_links.create(id: 4,
                                 forked_from_project_id: base2_fork1.id,
-                                forked_to_project_id: create(:project).id)
+                                forked_to_project_id: projects.create.id)
     forked_project_links.create(id: 5,
-                                forked_from_project_id: create(:project).id,
-                                forked_to_project_id: create(:project).id)
+                                forked_from_project_id: projects.create.id,
+                                forked_to_project_id: projects.create.id)
 
     # Stub out the calls to the other migrations
     allow(BackgroundMigrationWorker).to receive(:perform_in)
@@ -63,7 +64,7 @@ describe Gitlab::BackgroundMigration::PopulateForkNetworksRange, :migration, sch
   end
 
   it 'creates a fork network for the fork of which the source was deleted' do
-    fork = create(:project)
+    fork = projects.create
     forked_project_links.create(id: 6, forked_from_project_id: 99999, forked_to_project_id: fork.id)
 
     migration.perform(5, 8)

spec/migrations/migrate_gcp_clusters_to_new_clusters_architectures_spec.rb

@@ -2,9 +2,10 @@ require 'spec_helper'
 require Rails.root.join('db', 'post_migrate', '20171013104327_migrate_gcp_clusters_to_new_clusters_architectures.rb')
 
 describe MigrateGcpClustersToNewClustersArchitectures, :migration do
-  let(:project) { create(:project) }
+  let(:projects) { table(:projects) }
+  let(:project) { projects.create }
   let(:user) { create(:user) }
-  let(:service) { create(:kubernetes_service, project: project) }
+  let(:service) { create(:kubernetes_service, project_id: project.id) }
 
   context 'when cluster is being created' do
     let(:project_id) { project.id }
@@ -56,8 +57,7 @@ describe MigrateGcpClustersToNewClustersArchitectures, :migration do
       expect(cluster.provider_type).to eq('gcp')
       expect(cluster.platform_type).to eq('kubernetes')
 
-      expect(cluster.project).to eq(project)
-      expect(project.clusters).to include(cluster)
+      expect(cluster.project_ids).to include(project.id)
 
       expect(cluster.provider_gcp.cluster).to eq(cluster)
       expect(cluster.provider_gcp.status).to eq(status)
@@ -133,8 +133,7 @@ describe MigrateGcpClustersToNewClustersArchitectures, :migration do
       expect(cluster.provider_type).to eq('gcp')
       expect(cluster.platform_type).to eq('kubernetes')
 
-      expect(cluster.project).to eq(project)
-      expect(project.clusters).to include(cluster)
+      expect(cluster.project_ids).to include(project.id)
 
       expect(cluster.provider_gcp.cluster).to eq(cluster)
       expect(cluster.provider_gcp.status).to eq(status)