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# frozen_string_literal: true
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::BLACKLISTED_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::BLACKLISTED_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::BLACKLISTED_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
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