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# frozen_string_literal: true
require 'rubocop_spec_helper'
require_relative '../../../../rubocop/cop/migration/prevent_single_statement_with_disable_ddl_transaction'
RSpec.describe RuboCop::Cop::Migration::PreventSingleStatementWithDisableDdlTransaction, feature_category: :database do
context 'when in migration' do
before do
allow(cop).to receive(:in_migration?).and_return(true)
end
it 'registers an offense when `disable_ddl_transaction!` is only for the :validate_foreign_key statement' do
code = <<~RUBY
class SomeMigration < Gitlab::Database::Migration[2.1]
disable_ddl_transaction!
def up
validate_foreign_key :emails, :user_id
end
def down
# no-op
end
end
RUBY
expect_offense(<<~RUBY, node: code, msg: described_class::MSG)
class SomeMigration < Gitlab::Database::Migration[2.1]
disable_ddl_transaction!
^^^^^^^^^^^^^^^^^^^^^^^^ %{msg}
def up
validate_foreign_key :emails, :user_id
end
def down
# no-op
end
end
RUBY
end
it 'registers no offense when `disable_ddl_transaction!` is used with more than one statement' do
expect_no_offenses(<<~RUBY)
class SomeMigration < Gitlab::Database::Migration[2.1]
disable_ddl_transaction!
def up
add_concurrent_foreign_key :emails, :users, column: :user_id, on_delete: :cascade, validate: false
validate_foreign_key :emails, :user_id
end
def down
remove_foreign_key_if_exists :emails, column: :user_id
end
end
RUBY
end
end
context 'when outside of migration' do
it 'registers no offense' do
expect_no_offenses(<<~RUBY)
class SomeMigration
disable_ddl_transaction!
def up
validate_foreign_key :deployments, :environment_id
end
end
RUBY
end
end
end
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