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require_relative '../../spec_helpers'
module RuboCop
module Cop
module RSpec
# This cop checks for the usage of factories in migration specs
#
# @example
#
# # bad
# let(:user) { create(:user) }
#
# # good
# let(:users) { table(:users) }
# let(:user) { users.create!(name: 'User 1', username: 'user1') }
class FactoriesInMigrationSpecs < RuboCop::Cop::Cop
include SpecHelpers
MESSAGE = "Don't use FactoryBot.%s in migration specs, use `table` instead.".freeze
FORBIDDEN_METHODS = %i[build build_list create create_list].freeze
def_node_search :forbidden_factory_usage?, <<~PATTERN
(send {(const nil? :FactoryBot) nil?} {#{FORBIDDEN_METHODS.map(&:inspect).join(' ')}} ...)
PATTERN
# Following is what node.children looks like on a match:
# - Without FactoryBot namespace: [nil, :build, s(:sym, :user)]
# - With FactoryBot namespace: [s(:const, nil, :FactoryBot), :build, s(:sym, :user)]
def on_send(node)
return unless in_migration_spec?(node)
return unless forbidden_factory_usage?(node)
method = node.children[1]
add_offense(node, location: :expression, message: MESSAGE % method)
end
end
end
end
end
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