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-rw-r--r--spec/lib/gitlab/database/migration_helpers_spec.rb12
-rw-r--r--spec/migrations/add_foreign_key_to_merge_requests_spec.rb39
2 files changed, 50 insertions, 1 deletions
diff --git a/spec/lib/gitlab/database/migration_helpers_spec.rb b/spec/lib/gitlab/database/migration_helpers_spec.rb
index 4259be3f522..a2acd15c8fb 100644
--- a/spec/lib/gitlab/database/migration_helpers_spec.rb
+++ b/spec/lib/gitlab/database/migration_helpers_spec.rb
@@ -174,13 +174,23 @@ describe Gitlab::Database::MigrationHelpers, lib: true do
allow(Gitlab::Database).to receive(:mysql?).and_return(false)
end
- it 'creates a concurrent foreign key' do
+ it 'creates a concurrent foreign key and validates it' do
expect(model).to receive(:disable_statement_timeout)
expect(model).to receive(:execute).ordered.with(/NOT VALID/)
expect(model).to receive(:execute).ordered.with(/VALIDATE CONSTRAINT/)
model.add_concurrent_foreign_key(:projects, :users, column: :user_id)
end
+
+ it 'appends a valid ON DELETE statement' do
+ expect(model).to receive(:disable_statement_timeout)
+ expect(model).to receive(:execute).with(/ON DELETE SET NULL/)
+ expect(model).to receive(:execute).ordered.with(/VALIDATE CONSTRAINT/)
+
+ model.add_concurrent_foreign_key(:projects, :users,
+ column: :user_id,
+ on_delete: :nullify)
+ end
end
end
end
diff --git a/spec/migrations/add_foreign_key_to_merge_requests_spec.rb b/spec/migrations/add_foreign_key_to_merge_requests_spec.rb
new file mode 100644
index 00000000000..d9ad9a585f0
--- /dev/null
+++ b/spec/migrations/add_foreign_key_to_merge_requests_spec.rb
@@ -0,0 +1,39 @@
+require 'spec_helper'
+require Rails.root.join('db', 'migrate', '20170713104829_add_foreign_key_to_merge_requests.rb')
+
+describe AddForeignKeyToMergeRequests, :migration do
+ let(:projects) { table(:projects) }
+ let(:merge_requests) { table(:merge_requests) }
+ let(:pipelines) { table(:ci_pipelines) }
+
+ before do
+ projects.create!(name: 'gitlab', path: 'gitlab-org/gitlab-ce')
+ pipelines.create!(project_id: projects.first.id,
+ ref: 'some-branch',
+ sha: 'abc12345')
+
+ # merge request without a pipeline
+ create_merge_request(head_pipeline_id: nil)
+
+ # merge request with non-existent pipeline
+ create_merge_request(head_pipeline_id: 1234)
+
+ # merge reqeust with existing pipeline assigned
+ create_merge_request(head_pipeline_id: pipelines.first.id)
+ end
+
+ it 'correctly adds a foreign key to head_pipeline_id' do
+ migrate!
+
+ expect(merge_requests.first.head_pipeline_id).to be_nil
+ expect(merge_requests.second.head_pipeline_id).to be_nil
+ expect(merge_requests.third.head_pipeline_id).to eq pipelines.first.id
+ end
+
+ def create_merge_request(**opts)
+ merge_requests.create!(source_project_id: projects.first.id,
+ target_project_id: projects.first.id,
+ source_branch: 'some-branch',
+ target_branch: 'master', **opts)
+ end
+end