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# frozen_string_literal: true
# Checks whether STI is disabled in +models+.
#
# Parameter:
# - models: List of model classes
RSpec.shared_examples 'Model disables STI' do
skip_sti_check = Gitlab::Utils.to_boolean(ENV['SKIP_STI_CHECK'], default: false)
it 'does not allow STI', :aggregate_failures, unless: skip_sti_check do
models.each do |model|
next unless model
next unless model < ApplicationRecord
next unless model.name # skip unnamed/anonymous models
next if model.table_name&.start_with?('_test') # skip test models that define the tables in specs
next if model == model.base_class
next if model.allow_legacy_sti_class
expect(model).not_to have_attribute(model.inheritance_column),
"Do not use Single Table Inheritance (`#{model.name}` inherits `#{model.base_class.name}`). " \
"See https://docs.gitlab.com/ee/development/database/single_table_inheritance.html"
end
end
end
RSpec.shared_examples 'STI disabled', type: :model do # rubocop:disable RSpec/SharedGroupsMetadata -- Shared example is run within every spec tagged `type: :model`
include_examples 'Model disables STI' do
let(:models) { [described_class] }
end
end
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