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|
module ActiveSupport
module Testing
module SetupAndTeardown
def self.included(base)
base.extend ClassMethods
begin
require 'mocha'
base.alias_method_chain :run, :callbacks_and_mocha
rescue LoadError
base.alias_method_chain :run, :callbacks
end
end
module ClassMethods
def setup(*method_names, &block)
method_names << block if block_given?
(@setup_callbacks ||= []).concat method_names
end
def teardown(*method_names, &block)
method_names << block if block_given?
(@teardown_callbacks ||= []).concat method_names
end
def setup_callback_chain
@setup_callbacks ||= []
if superclass.respond_to?(:setup_callback_chain)
superclass.setup_callback_chain + @setup_callbacks
else
@setup_callbacks
end
end
def teardown_callback_chain
@teardown_callbacks ||= []
if superclass.respond_to?(:teardown_callback_chain)
superclass.teardown_callback_chain + @teardown_callbacks
else
@teardown_callbacks
end
end
end
# This redefinition is unfortunate but test/unit shows us no alternative.
def run_with_callbacks(result) #:nodoc:
return if @method_name.to_s == "default_test"
yield(Test::Unit::TestCase::STARTED, name)
@_result = result
begin
run_callbacks :setup
setup
__send__(@method_name)
rescue Test::Unit::AssertionFailedError => e
add_failure(e.message, e.backtrace)
rescue *Test::Unit::TestCase::PASSTHROUGH_EXCEPTIONS
raise
rescue Exception
add_error($!)
ensure
begin
teardown
run_callbacks :teardown, :reverse_each
rescue Test::Unit::AssertionFailedError => e
add_failure(e.message, e.backtrace)
rescue *Test::Unit::TestCase::PASSTHROUGH_EXCEPTIONS
raise
rescue Exception
add_error($!)
end
end
result.add_run
yield(Test::Unit::TestCase::FINISHED, name)
end
# Doubly unfortunate: mocha does the same so we have to hax their hax.
def run_with_callbacks_and_mocha(result)
return if @method_name.to_s == "default_test"
yield(Test::Unit::TestCase::STARTED, name)
@_result = result
begin
mocha_setup
begin
run_callbacks :setup
setup
__send__(@method_name)
mocha_verify { add_assertion }
rescue Mocha::ExpectationError => e
add_failure(e.message, e.backtrace)
rescue Test::Unit::AssertionFailedError => e
add_failure(e.message, e.backtrace)
rescue StandardError, ScriptError
add_error($!)
ensure
begin
teardown
run_callbacks :teardown, :reverse_each
rescue Test::Unit::AssertionFailedError => e
add_failure(e.message, e.backtrace)
rescue StandardError, ScriptError
add_error($!)
end
end
ensure
mocha_teardown
end
result.add_run
yield(Test::Unit::TestCase::FINISHED, name)
end
protected
def run_callbacks(kind, enumerator = :each)
self.class.send("#{kind}_callback_chain").send(enumerator) do |callback|
case callback
when Proc; callback.call(self)
when String, Symbol; send!(callback)
else raise ArgumentError, "Unrecognized callback #{callback.inspect}"
end
end
end
end
end
end
|
