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# frozen_string_literal: true
require 'fast_spec_helper'
require_relative '../../../../rubocop/cop/migration/prevent_index_creation'
RSpec.describe RuboCop::Cop::Migration::PreventIndexCreation do
subject(:cop) { described_class.new }
let(:forbidden_tables) { %w(ci_builds) }
let(:forbidden_tables_list) { forbidden_tables.join(', ') }
context 'when in migration' do
before do
allow(cop).to receive(:in_migration?).and_return(true)
end
context 'when adding an index to a forbidden table' do
context 'when table_name is a symbol' do
it "registers an offense when add_index is used", :aggregate_failures do
forbidden_tables.each do |table_name|
expect_offense(<<~RUBY)
def change
add_index :#{table_name}, :protected
^^^^^^^^^ Adding new index to #{forbidden_tables_list} is forbidden, see https://gitlab.com/gitlab-org/gitlab/-/issues/332886
end
RUBY
end
end
it "registers an offense when add_concurrent_index is used", :aggregate_failures do
forbidden_tables.each do |table_name|
expect_offense(<<~RUBY)
def change
add_concurrent_index :#{table_name}, :protected
^^^^^^^^^^^^^^^^^^^^ Adding new index to #{forbidden_tables_list} is forbidden, see https://gitlab.com/gitlab-org/gitlab/-/issues/332886
end
RUBY
end
end
end
context 'when table_name is a string' do
it "registers an offense when add_index is used", :aggregate_failures do
forbidden_tables.each do |table_name|
expect_offense(<<~RUBY)
def change
add_index "#{table_name}", :protected
^^^^^^^^^ Adding new index to #{forbidden_tables_list} is forbidden, see https://gitlab.com/gitlab-org/gitlab/-/issues/332886
end
RUBY
end
end
it "registers an offense when add_concurrent_index is used", :aggregate_failures do
forbidden_tables.each do |table_name|
expect_offense(<<~RUBY)
def change
add_concurrent_index "#{table_name}", :protected
^^^^^^^^^^^^^^^^^^^^ Adding new index to #{forbidden_tables_list} is forbidden, see https://gitlab.com/gitlab-org/gitlab/-/issues/332886
end
RUBY
end
end
end
context 'when table_name is a constant' do
it "registers an offense when add_concurrent_index is used", :aggregate_failures do
expect_offense(<<~RUBY)
INDEX_NAME = "index_name"
TABLE_NAME = :ci_builds
disable_ddl_transaction!
def change
add_concurrent_index TABLE_NAME, :protected
^^^^^^^^^^^^^^^^^^^^ Adding new index to #{forbidden_tables_list} is forbidden, see https://gitlab.com/gitlab-org/gitlab/-/issues/332886
end
RUBY
end
end
end
context 'when adding an index to a regular table' do
it 'does not register an offense' do
expect_no_offenses(<<~RUBY)
def change
add_index :ci_pipelines, :locked
end
RUBY
end
context 'when using a constant' do
it 'does not register an offense' do
expect_no_offenses(<<~RUBY)
disable_ddl_transaction!
TABLE_NAME = "not_forbidden"
def up
add_concurrent_index TABLE_NAME, :protected
end
RUBY
end
end
end
end
context 'when outside of migration' do
it 'does not register an offense' do
expect_no_offenses('def change; add_index :table, :column; end')
end
end
end
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