106 lines
2.8 KiB
Ruby
106 lines
2.8 KiB
Ruby
# frozen_string_literal: true
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require 'rubocop_spec_helper'
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require_relative '../../../../rubocop/cop/migration/add_reference'
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RSpec.describe RuboCop::Cop::Migration::AddReference do
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let(:cop) { described_class.new }
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context 'when outside of a migration' do
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it 'does not register any offenses' do
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expect_no_offenses(<<~RUBY)
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def up
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add_reference(:projects, :users)
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end
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RUBY
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end
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end
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context 'when in a migration' do
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before do
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allow(cop).to receive(:in_migration?).and_return(true)
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end
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let(:offense) { '`add_reference` requires downtime for existing tables, use `add_concurrent_foreign_key`[...]' }
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context 'when the table existed before' do
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it 'registers an offense when using add_reference' do
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expect_offense(<<~RUBY)
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def up
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add_reference(:projects, :users)
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^^^^^^^^^^^^^ #{offense}
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end
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RUBY
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end
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it 'registers an offense when using add_reference with index enabled' do
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expect_offense(<<~RUBY)
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def up
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add_reference(:projects, :users, index: true)
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^^^^^^^^^^^^^ #{offense}
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end
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RUBY
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end
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it 'registers an offense if only a different table was created' do
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expect_offense(<<~RUBY)
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def up
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create_table(:foo) do |t|
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t.string :name
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end
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add_reference(:projects, :users, index: true)
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^^^^^^^^^^^^^ #{offense}
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end
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RUBY
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end
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end
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context 'when creating the table at the same time' do
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let(:create_table_statement) do
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<<~RUBY
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create_table(:projects) do |t|
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t.string :name
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end
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RUBY
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end
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it 'registers an offense when using add_reference without index' do
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expect_offense(<<~RUBY)
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def up
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#{create_table_statement}
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add_reference(:projects, :users)
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^^^^^^^^^^^^^ #{offense}
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end
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RUBY
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end
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it 'registers an offense when using add_reference index disabled' do
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expect_offense(<<~RUBY)
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def up
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#{create_table_statement}
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add_reference(:projects, :users, index: false)
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^^^^^^^^^^^^^ #{offense}
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end
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RUBY
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end
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it 'does not register an offense when using add_reference with index enabled' do
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expect_no_offenses(<<~RUBY)
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def up
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#{create_table_statement}
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add_reference(:projects, :users, index: true)
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end
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RUBY
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end
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it 'does not register an offense when the index is unique' do
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expect_no_offenses(<<~RUBY)
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def up
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#{create_table_statement}
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add_reference(:projects, :users, index: { unique: true } )
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end
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RUBY
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end
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end
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end
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end
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