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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
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