require 'active_support/deprecation' require 'active_support/test_case' ActiveSupport::Deprecation.warn('ActiveRecord::TestCase is deprecated, please use ActiveSupport::TestCase') module ActiveRecord # = Active Record Test Case # # Defines some test assertions to test against SQL queries. class TestCase < ActiveSupport::TestCase #:nodoc: def teardown SQLCounter.log.clear end def assert_date_from_db(expected, actual, message = nil) # SybaseAdapter doesn't have a separate column type just for dates, # so the time is in the string and incorrectly formatted if current_adapter?(:SybaseAdapter) assert_equal expected.to_s, actual.to_date.to_s, message else assert_equal expected.to_s, actual.to_s, message end end def assert_sql(*patterns_to_match) SQLCounter.log = [] yield SQLCounter.log ensure failed_patterns = [] patterns_to_match.each do |pattern| failed_patterns << pattern unless SQLCounter.log.any?{ |sql| pattern === sql } end assert failed_patterns.empty?, "Query pattern(s) #{failed_patterns.map{ |p| p.inspect }.join(', ')} not found.#{SQLCounter.log.size == 0 ? '' : "\nQueries:\n#{SQLCounter.log.join("\n")}"}" end def assert_queries(num = 1) SQLCounter.log = [] yield ensure assert_equal num, SQLCounter.log.size, "#{SQLCounter.log.size} instead of #{num} queries were executed.#{SQLCounter.log.size == 0 ? '' : "\nQueries:\n#{SQLCounter.log.join("\n")}"}" end def assert_no_queries(&block) prev_ignored_sql = SQLCounter.ignored_sql SQLCounter.ignored_sql = [] assert_queries(0, &block) ensure SQLCounter.ignored_sql = prev_ignored_sql end end class SQLCounter class << self attr_accessor :ignored_sql, :log end self.log = [] self.ignored_sql = [/^PRAGMA (?!(table_info))/, /^SELECT currval/, /^SELECT CAST/, /^SELECT @@IDENTITY/, /^SELECT @@ROWCOUNT/, /^SAVEPOINT/, /^ROLLBACK TO SAVEPOINT/, /^RELEASE SAVEPOINT/, /^SHOW max_identifier_length/, /^BEGIN/, /^COMMIT/] # FIXME: this needs to be refactored so specific database can add their own # ignored SQL. This ignored SQL is for Oracle. ignored_sql.concat [/^select .*nextval/i, /^SAVEPOINT/, /^ROLLBACK TO/, /^\s*select .* from all_triggers/im] attr_reader :ignore def initialize(ignore = Regexp.union(self.class.ignored_sql)) @ignore = ignore end def call(name, start, finish, message_id, values) sql = values[:sql] # FIXME: this seems bad. we should probably have a better way to indicate # the query was cached return if 'CACHE' == values[:name] || ignore =~ sql self.class.log << sql end end ActiveSupport::Notifications.subscribe('sql.active_record', SQLCounter.new) end