vendor/rails/activerecord/lib/active_record/test_case.rb

   1 require "active_support/test_case"
   2
   3 module ActiveRecord
   4   class TestCase < ActiveSupport::TestCase #:nodoc:
   5     self.fixture_path               = FIXTURES_ROOT
   6     self.use_instantiated_fixtures  = false
   7     self.use_transactional_fixtures = true
   8
   9     def create_fixtures(*table_names, &block)
  10       Fixtures.create_fixtures(FIXTURES_ROOT, table_names, {}, &block)
  11     end
  12
  13     def assert_date_from_db(expected, actual, message = nil)
  14       # SybaseAdapter doesn't have a separate column type just for dates,
  15       # so the time is in the string and incorrectly formatted
  16       if current_adapter?(:SybaseAdapter)
  17         assert_equal expected.to_s, actual.to_date.to_s, message
  18       else
  19         assert_equal expected.to_s, actual.to_s, message
  20       end
  21     end
  22
  23     def assert_sql(*patterns_to_match)
  24       $queries_executed = []
  25       yield
  26     ensure
  27       failed_patterns = []
  28       patterns_to_match.each do |pattern|
  29         failed_patterns << pattern unless $queries_executed.any?{ |sql| pattern === sql }
  30       end
  31       assert failed_patterns.empty?, "Query pattern(s) #{failed_patterns.map(&:inspect).join(', ')} not found."
  32     end
  33
  34     def assert_queries(num = 1)
  35       $queries_executed = []
  36       yield
  37     ensure
  38       assert_equal num, $queries_executed.size, "#{$queries_executed.size} instead of #{num} queries were executed.#{$queries_executed.size == 0 ? '' : "\nQueries:\n#{$queries_executed.join("\n")}"}"
  39     end
  40
  41     def assert_no_queries(&block)
  42       assert_queries(0, &block)
  43     end
  44
  45     def self.use_concurrent_connections
  46       setup :connection_allow_concurrency_setup
  47       teardown :connection_allow_concurrency_teardown
  48     end
  49
  50     def connection_allow_concurrency_setup
  51       @connection = ActiveRecord::Base.remove_connection
  52       ActiveRecord::Base.establish_connection(@connection.merge({:allow_concurrency => true}))
  53     end
  54
  55     def connection_allow_concurrency_teardown
  56       ActiveRecord::Base.clear_all_connections!
  57       ActiveRecord::Base.establish_connection(@connection)
  58     end
  59   end
  60 end