Class: ActiveRecord::TestCase

Inherits:
ActiveSupport::TestCase
  • Object
show all
Defined in:
lib/active_record/test_case.rb

Overview

Active Record Test Case

Defines some test assertions to test against SQL queries.

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.use_concurrent_connections ⇒ Object 



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# File 'lib/active_record/test_case.rb', line 39

def self.use_concurrent_connections
  setup :connection_allow_concurrency_setup
  teardown :connection_allow_concurrency_teardown
end

Instance Method Details

#assert_date_from_db(expected, actual, message = nil) ⇒ Object

:nodoc:



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# File 'lib/active_record/test_case.rb', line 6

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

#assert_no_queries(&block) ⇒ Object 



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# File 'lib/active_record/test_case.rb', line 35

def assert_no_queries(&block)
  assert_queries(0, &block)
end

#assert_queries(num = 1) ⇒ Object 



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# File 'lib/active_record/test_case.rb', line 27

def assert_queries(num = 1)
  $queries_executed = []
  yield
ensure
  %w{ BEGIN COMMIT }.each { |x| $queries_executed.delete(x) }
  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")}"}"
end

#assert_sql(*patterns_to_match) ⇒ Object 



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# File 'lib/active_record/test_case.rb', line 16

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

#connection_allow_concurrency_setup ⇒ Object 



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# File 'lib/active_record/test_case.rb', line 44

def connection_allow_concurrency_setup
  @connection = ActiveRecord::Base.remove_connection
  ActiveRecord::Base.establish_connection(@connection.merge({:allow_concurrency => true}))
end

#connection_allow_concurrency_teardown ⇒ Object 



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# File 'lib/active_record/test_case.rb', line 49

def connection_allow_concurrency_teardown
  ActiveRecord::Base.clear_all_connections!
  ActiveRecord::Base.establish_connection(@connection)
end

#with_kcode(kcode) ⇒ Object 



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# File 'lib/active_record/test_case.rb', line 54

def with_kcode(kcode)
  if RUBY_VERSION < '1.9'
    orig_kcode, $KCODE = $KCODE, kcode
    begin
      yield
    ensure
      $KCODE = orig_kcode
    end
  else
    yield
  end
end