require 'spec_helper' require 'rubocop' require 'rubocop/rspec/support' require_relative '../../../../rubocop/cop/migration/update_large_table' describe RuboCop::Cop::Migration::UpdateLargeTable do include CopHelper subject(:cop) { described_class.new } context 'in migration' do before do allow(cop).to receive(:in_migration?).and_return(true) end shared_examples 'large tables' do |update_method| described_class::LARGE_TABLES.each do |table| it "registers an offense for the #{table} table" do inspect_source("#{update_method} :#{table}, :column, default: true") aggregate_failures do expect(cop.offenses.size).to eq(1) expect(cop.offenses.map(&:line)).to eq([1]) end end end end context 'for the add_column_with_default method' do include_examples 'large tables', 'add_column_with_default' end context 'for the change_column_type_concurrently method' do include_examples 'large tables', 'change_column_type_concurrently' end context 'for the rename_column_concurrently method' do include_examples 'large tables', 'rename_column_concurrently' end context 'for the update_column_in_batches method' do include_examples 'large tables', 'update_column_in_batches' end it 'registers no offense for non-blacklisted tables' do inspect_source("add_column_with_default :table, :column, default: true") expect(cop.offenses).to be_empty end it 'registers no offense for non-blacklisted methods' do table = described_class::LARGE_TABLES.sample inspect_source("some_other_method :#{table}, :column, default: true") expect(cop.offenses).to be_empty end end context 'outside of migration' do let(:table) { described_class::LARGE_TABLES.sample } it 'registers no offense for add_column_with_default' do inspect_source("add_column_with_default :#{table}, :column, default: true") expect(cop.offenses).to be_empty end it 'registers no offense for change_column_type_concurrently' do inspect_source("change_column_type_concurrently :#{table}, :column, default: true") expect(cop.offenses).to be_empty end it 'registers no offense for update_column_in_batches' do inspect_source("rename_column_concurrently :#{table}, :column, default: true") expect(cop.offenses).to be_empty end it 'registers no offense for update_column_in_batches' do inspect_source("add_column_with_default :#{table}, :column, default: true") expect(cop.offenses).to be_empty end end end