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|
module Test
module Unit
module Fixture
class << self
def included(base)
base.extend(ClassMethods)
[:setup, :teardown].each do |fixture|
observer = Proc.new do |test_case, _, _, value, method_name|
if value.nil?
test_case.send("unregister_#{fixture}_method", method_name)
else
test_case.send("register_#{fixture}_method", method_name,
value)
end
end
base.register_attribute_observer(fixture, &observer)
end
end
end
module ClassMethods
def setup(*method_names)
register_fixture(:setup, *method_names)
end
def unregister_setup(*method_names)
unregister_fixture(:setup, *method_names)
end
def teardown(*method_names)
register_fixture(:teardown, *method_names)
end
def unregister_teardown(*method_names)
unregister_fixture(:teardown, *method_names)
end
def register_setup_method(method_name, options)
register_fixture_method(:setup, method_name, options, :after, :append)
end
def unregister_setup_method(method_name)
unregister_fixture_method(:setup, method_name)
end
def register_teardown_method(method_name, options)
register_fixture_method(:teardown, method_name, options,
:before, :prepend)
end
def unregister_teardown_method(method_name)
unregister_fixture_method(:teardown, method_name)
end
def before_setup_methods
collect_fixture_methods(:setup, :before)
end
def after_setup_methods
collect_fixture_methods(:setup, :after)
end
def before_teardown_methods
collect_fixture_methods(:teardown, :before)
end
def after_teardown_methods
collect_fixture_methods(:teardown, :after)
end
private
def register_fixture(fixture, *method_names)
options = {}
options = method_names.pop if method_names.last.is_a?(Hash)
attribute(fixture, options, *method_names)
end
def unregister_fixture(fixture, *method_names)
attribute(fixture, nil, *method_names)
end
def valid_register_fixture_options?(options)
return true if options.empty?
return false if options.size > 1
key = options.keys.first
[:before, :after].include?(key) and
[:prepend, :append].include?(options[key])
end
def add_fixture_method_name(how, variable_name, method_name)
unless self.instance_variable_defined?(variable_name)
self.instance_variable_set(variable_name, [])
end
methods = self.instance_variable_get(variable_name)
if how == :prepend
methods = [method_name] | methods
else
methods = methods | [method_name]
end
self.instance_variable_set(variable_name, methods)
end
def registered_methods_variable_name(fixture, order)
"@#{order}_#{fixture}_methods"
end
def unregistered_methods_variable_name(fixture)
"@unregistered_#{fixture}_methods"
end
def register_fixture_method(fixture, method_name, options,
default_order, default_how)
unless valid_register_fixture_options?(options)
message = "must be {:before => :prepend}, " +
"{:before => :append}, {:after => :prepend} or " +
"{:after => :append}: #{options.inspect}"
raise ArgumentError, message
end
if options.empty?
order, how = default_order, default_how
else
order, how = options.to_a.first
end
variable_name = registered_methods_variable_name(fixture, order)
add_fixture_method_name(how, variable_name, method_name)
end
def unregister_fixture_method(fixture, method_name)
variable_name = unregistered_methods_variable_name(fixture)
add_fixture_method_name(:append, variable_name, method_name)
end
def collect_fixture_methods(fixture, order)
methods_variable = registered_methods_variable_name(fixture, order)
unregistered_methods_variable =
unregistered_methods_variable_name(fixture)
base_index = ancestors.index(Fixture)
interested_ancestors = ancestors[0, base_index].reverse
interested_ancestors.inject([]) do |result, ancestor|
if ancestor.is_a?(Class)
ancestor.class_eval do
methods = []
unregistered_methods = []
if instance_variable_defined?(methods_variable)
methods = instance_variable_get(methods_variable)
end
if instance_variable_defined?(unregistered_methods_variable)
unregistered_methods =
instance_variable_get(unregistered_methods_variable)
end
(result | methods) - unregistered_methods
end
else
result
end
end
end
end
private
def run_fixture(fixture)
[
self.class.send("before_#{fixture}_methods"),
fixture,
self.class.send("after_#{fixture}_methods")
].flatten.each do |method_name|
send(method_name) if respond_to?(method_name, true)
end
end
def run_setup
run_fixture(:setup)
end
def run_teardown
run_fixture(:teardown)
end
end
end
end
|
