Merge branch 'stomlinson/remove-old-migration-testing-rake-task' into 'master'

Remove the gitlab:db:migration_testing rake task

See merge request gitlab-org/gitlab!71931

lib/gitlab/database/migrations/runner.rb

@@ -7,14 +7,8 @@ module Gitlab
         BASE_RESULT_DIR = Rails.root.join('tmp', 'migration-testing').freeze
 
         class << self
-          def up(legacy_pipeline: false)
-            result_dir = if legacy_pipeline
-                           BASE_RESULT_DIR
-                         else
-                           BASE_RESULT_DIR.join('up')
-                         end
-
-            Runner.new(direction: :up, migrations: migrations_for_up, result_dir: result_dir)
+          def up
+            Runner.new(direction: :up, migrations: migrations_for_up, result_dir: BASE_RESULT_DIR.join('up'))
           end
 
           def down

lib/tasks/gitlab/db.rake

@@ -223,12 +223,6 @@ namespace :gitlab do
       end
     end
 
-    # TODO: Remove this rake task after migrating the database testing runner to :up / :down versions of it
-    desc 'Run migrations with instrumentation'
-    task migration_testing: :environment do
-      Gitlab::Database::Migrations::Runner.up(legacy_pipeline: true).run
-    end
-
     desc 'Run all pending batched migrations'
     task execute_batched_migrations: :environment do
       Gitlab::Database::BackgroundMigration::BatchedMigration.active.queue_order.each do |migration|

spec/lib/gitlab/database/migrations/runner_spec.rb

@@ -57,18 +57,10 @@ RSpec.describe Gitlab::Database::Migrations::Runner do
 
   describe '.up' do
     context 'result directory' do
-      context 'legacy mode' do
-        it 'uses the root result directory' do
-          expect(described_class.up(legacy_pipeline: true).result_dir).to eq(result_dir)
-        end
-      end
-
-      context 'not legacy mode' do
       it 'uses the /up subdirectory' do
         expect(described_class.up.result_dir).to eq(result_dir.join('up'))
       end
     end
-    end
 
     context 'migrations to run' do
       subject(:up) { described_class.up }

spec/tasks/gitlab/db_rake_spec.rb

@@ -312,19 +312,6 @@ RSpec.describe 'gitlab:db namespace rake task', :silence_stdout do
         subject
       end
     end
-
-    describe 'legacy rake task' do
-      subject { run_rake_task('gitlab:db:migration_testing') }
-
-      let(:runner) { double(Gitlab::Database::Migrations::Runner) }
-
-      it 'delegates to the migration runner in legacy mode' do
-        expect(::Gitlab::Database::Migrations::Runner).to receive(:up).with(legacy_pipeline: true).and_return(runner)
-        expect(runner).to receive(:run)
-
-        subject
-      end
-    end
   end
 
   describe '#execute_batched_migrations' do