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# frozen_string_literal: true
require 'spec_helper'
describe 'Database schema' do
let(:connection) { ActiveRecord::Base.connection }
let(:tables) { connection.tables }
# Use if you are certain that this column should not have a foreign key
IGNORED_FK_COLUMNS = {
abuse_reports: %w[reporter_id user_id],
application_settings: %w[performance_bar_allowed_group_id],
audit_events: %w[author_id entity_id],
award_emoji: %w[awardable_id user_id],
chat_names: %w[chat_id service_id team_id user_id],
chat_teams: %w[team_id],
ci_builds: %w[erased_by_id runner_id trigger_request_id user_id],
ci_pipelines: %w[user_id],
ci_runner_projects: %w[runner_id],
ci_trigger_requests: %w[commit_id],
cluster_providers_gcp: %w[gcp_project_id operation_id],
deploy_keys_projects: %w[deploy_key_id],
deployments: %w[deployable_id environment_id user_id],
emails: %w[user_id],
events: %w[target_id],
forked_project_links: %w[forked_from_project_id],
identities: %w[user_id],
issues: %w[last_edited_by_id],
keys: %w[user_id],
label_links: %w[target_id],
lfs_objects_projects: %w[lfs_object_id project_id],
members: %w[source_id created_by_id],
merge_requests: %w[last_edited_by_id],
namespaces: %w[owner_id parent_id],
notes: %w[author_id commit_id noteable_id updated_by_id resolved_by_id discussion_id],
notification_settings: %w[source_id],
oauth_access_grants: %w[resource_owner_id application_id],
oauth_access_tokens: %w[resource_owner_id application_id],
oauth_applications: %w[owner_id],
project_group_links: %w[group_id],
project_statistics: %w[namespace_id],
projects: %w[creator_id namespace_id ci_id],
redirect_routes: %w[source_id],
repository_languages: %w[programming_language_id],
routes: %w[source_id],
sent_notifications: %w[project_id noteable_id recipient_id commit_id in_reply_to_discussion_id],
snippets: %w[author_id],
spam_logs: %w[user_id],
subscriptions: %w[user_id subscribable_id],
taggings: %w[tag_id taggable_id tagger_id],
timelogs: %w[user_id],
todos: %w[target_id commit_id],
uploads: %w[model_id],
user_agent_details: %w[subject_id],
users: %w[color_scheme_id created_by_id theme_id],
users_star_projects: %w[user_id],
web_hooks: %w[service_id],
suggestions: %w[commit_id]
}.with_indifferent_access.freeze
context 'for table' do
ActiveRecord::Base.connection.tables.sort.each do |table|
describe table do
let(:indexes) { connection.indexes(table) }
let(:columns) { connection.columns(table) }
let(:foreign_keys) { connection.foreign_keys(table) }
context 'all foreign keys' do
# for index to be effective, the FK constraint has to be at first place
it 'are indexed' do
first_indexed_column = indexes.map(&:columns).map(&:first)
foreign_keys_columns = foreign_keys.map(&:column)
expect(first_indexed_column.uniq).to include(*foreign_keys_columns)
end
end
context 'columns ending with _id' do
let(:column_names) { columns.map(&:name) }
let(:column_names_with_id) { column_names.select { |column_name| column_name.ends_with?('_id') } }
let(:foreign_keys_columns) { foreign_keys.map(&:column) }
let(:ignored_columns) { ignored_fk_columns(table) }
it 'do have the foreign keys' do
expect(column_names_with_id - ignored_columns).to contain_exactly(*foreign_keys_columns)
end
end
end
end
end
private
def ignored_fk_columns(column)
IGNORED_FK_COLUMNS.fetch(column, [])
end
end
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