mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
65fe176ea4
* lib/test/unit.rb: Documentation update. * lib/test/unit/ui/console/testrunner.rb (TestRunner#initialize): Ditto. * lib/test/unit.rb: Factored out an ObjectSpace collector. * lib/test/unit/collector/objectspace.rb: Ditto. * sample/testunit/*: Added. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4576 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
102 lines
3.9 KiB
Ruby
102 lines
3.9 KiB
Ruby
# Author:: Nathaniel Talbott.
|
|
# Copyright:: Copyright (c) 2000-2002 Nathaniel Talbott. All rights reserved.
|
|
# License:: Ruby license.
|
|
|
|
require 'test/unit/util/observable'
|
|
|
|
module Test
|
|
module Unit
|
|
module Util
|
|
class TC_Observable < TestCase
|
|
|
|
class TF_Observable
|
|
include Observable
|
|
end
|
|
|
|
def setup
|
|
@observable = TF_Observable.new
|
|
end
|
|
|
|
def test_simple_observation
|
|
assert_raises(ArgumentError, "add_listener should throw an exception if no callback is supplied") do
|
|
@observable.add_listener(:property, "a")
|
|
end
|
|
|
|
heard = false
|
|
callback = proc { heard = true }
|
|
assert_equal("a", @observable.add_listener(:property, "a", &callback), "add_listener should return the listener that was added")
|
|
|
|
count = 0
|
|
@observable.instance_eval do
|
|
count = notify_listeners(:property)
|
|
end
|
|
assert_equal(1, count, "notify_listeners should have returned the number of listeners that were notified")
|
|
assert(heard, "Should have heard the property changed")
|
|
|
|
heard = false
|
|
assert_equal(callback, @observable.remove_listener(:property, "a"), "remove_listener should return the callback")
|
|
|
|
count = 1
|
|
@observable.instance_eval do
|
|
count = notify_listeners(:property)
|
|
end
|
|
assert_equal(0, count, "notify_listeners should have returned the number of listeners that were notified")
|
|
assert(!heard, "Should not have heard the property change")
|
|
end
|
|
|
|
def test_value_observation
|
|
value = nil
|
|
@observable.add_listener(:property, "a") do |passed_value|
|
|
value = passed_value
|
|
end
|
|
count = 0
|
|
@observable.instance_eval do
|
|
count = notify_listeners(:property, "stuff")
|
|
end
|
|
assert_equal(1, count, "Should have update the correct number of listeners")
|
|
assert_equal("stuff", value, "Should have received the value as an argument to the listener")
|
|
end
|
|
|
|
def test_multiple_value_observation
|
|
values = []
|
|
@observable.add_listener(:property, "a") do |first_value, second_value|
|
|
values = [first_value, second_value]
|
|
end
|
|
count = 0
|
|
@observable.instance_eval do
|
|
count = notify_listeners(:property, "stuff", "more stuff")
|
|
end
|
|
assert_equal(1, count, "Should have update the correct number of listeners")
|
|
assert_equal(["stuff", "more stuff"], values, "Should have received the value as an argument to the listener")
|
|
end
|
|
|
|
def test_add_remove_with_default_listener
|
|
assert_raises(ArgumentError, "add_listener should throw an exception if no callback is supplied") do
|
|
@observable.add_listener(:property)
|
|
end
|
|
|
|
heard = false
|
|
callback = proc { heard = true }
|
|
assert_equal(callback, @observable.add_listener(:property, &callback), "add_listener should return the listener that was added")
|
|
|
|
count = 0
|
|
@observable.instance_eval do
|
|
count = notify_listeners(:property)
|
|
end
|
|
assert_equal(1, count, "notify_listeners should have returned the number of listeners that were notified")
|
|
assert(heard, "Should have heard the property changed")
|
|
|
|
heard = false
|
|
assert_equal(callback, @observable.remove_listener(:property, callback), "remove_listener should return the callback")
|
|
|
|
count = 1
|
|
@observable.instance_eval do
|
|
count = notify_listeners(:property)
|
|
end
|
|
assert_equal(0, count, "notify_listeners should have returned the number of listeners that were notified")
|
|
assert(!heard, "Should not have heard the property change")
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|