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# frozen_string_literal: true
require 'fast_spec_helper'
require 'rubocop'
require_relative '../../../../rubocop/cop/migration/hash_index'
RSpec.describe RuboCop::Cop::Migration::HashIndex do
subject(:cop) { described_class.new }
context 'when in migration' do
before do
allow(cop).to receive(:in_migration?).and_return(true)
end
it 'registers an offense when creating a hash index' do
expect_offense(<<~RUBY)
def change
add_index :table, :column, using: :hash
^^^^^^^^^^^^ hash indexes should be avoided at all costs[...]
end
RUBY
end
it 'registers an offense when creating a concurrent hash index' do
expect_offense(<<~RUBY)
def change
add_concurrent_index :table, :column, using: :hash
^^^^^^^^^^^^ hash indexes should be avoided at all costs[...]
end
RUBY
end
it 'registers an offense when creating a hash index using t.index' do
expect_offense(<<~RUBY)
def change
t.index :table, :column, using: :hash
^^^^^^^^^^^^ hash indexes should be avoided at all costs[...]
end
RUBY
end
end
context 'when outside of migration' do
it 'registers no offense' do
expect_no_offenses('def change; index :table, :column, using: :hash; end')
end
end
end
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