aboutsummaryrefslogblamecommitdiffstats
path: root/activerecord/lib/active_record/test_case.rb
blob: 5398a14fc63fd5a8c01b586b7b1d11bf73546bbe (plain) (tree)
1
2
3
4
5
6
7
8
9
10
11
                   
                             
   
                                                             
                                                   

                               



                          
                            
                                     

       
                                                            
                                                                         
                                                              
                                         





                                                                
                                      
                                       
           
                                  


                                         
                                                                                                    
         
                                                                                                                                                                                                                              

       
                               
                                       

           
                                                                                                                                                                                                                                                   


                                 

                                                             
                               

                                                             


       
module ActiveRecord
  # = Active Record Test Case
  #
  # Defines some test assertions to test against SQL queries.
  class TestCase < ActiveSupport::TestCase #:nodoc:
    setup :cleanup_identity_map

    def setup
      cleanup_identity_map
    end

    def cleanup_identity_map
      ActiveRecord::IdentityMap.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)
      ActiveRecord::SQLCounter.log = []
      yield
      ActiveRecord::SQLCounter.log
    ensure
      failed_patterns = []
      patterns_to_match.each do |pattern|
        failed_patterns << pattern unless ActiveRecord::SQLCounter.log.any?{ |sql| pattern === sql }
      end
      assert failed_patterns.empty?, "Query pattern(s) #{failed_patterns.map{ |p| p.inspect }.join(', ')} not found.#{ActiveRecord::SQLCounter.log.size == 0 ? '' : "\nQueries:\n#{ActiveRecord::SQLCounter.log.join("\n")}"}"
    end

    def assert_queries(num = 1)
      ActiveRecord::SQLCounter.log = []
      yield
    ensure
      assert_equal num, ActiveRecord::SQLCounter.log.size, "#{ActiveRecord::SQLCounter.log.size} instead of #{num} queries were executed.#{ActiveRecord::SQLCounter.log.size == 0 ? '' : "\nQueries:\n#{ActiveRecord::SQLCounter.log.join("\n")}"}"
    end

    def assert_no_queries(&block)
      prev_ignored_sql = ActiveRecord::SQLCounter.ignored_sql
      ActiveRecord::SQLCounter.ignored_sql = []
      assert_queries(0, &block)
    ensure
      ActiveRecord::SQLCounter.ignored_sql = prev_ignored_sql
    end
  end
end