diff options
Diffstat (limited to 'test/lib/spec/callback')
| -rw-r--r-- | test/lib/spec/callback/callback_container.rb | 60 | ||||
| -rw-r--r-- | test/lib/spec/callback/extensions/module.rb | 24 | ||||
| -rw-r--r-- | test/lib/spec/callback/extensions/object.rb | 37 |
3 files changed, 0 insertions, 121 deletions
diff --git a/test/lib/spec/callback/callback_container.rb b/test/lib/spec/callback/callback_container.rb deleted file mode 100644 index 24d4c0ced..000000000 --- a/test/lib/spec/callback/callback_container.rb +++ /dev/null @@ -1,60 +0,0 @@ -module Callback - class CallbackContainer - def initialize - @callback_registry = Hash.new do |hash, key| - hash[key] = Array.new - end - end - - # Defines the callback with the key in this container. - def define(key, callback_proc=nil, &callback_block) - callback = extract_callback(callback_block, callback_proc) do - raise "You must define the callback that accepts the call method." - end - @callback_registry[key] << callback - callback - end - - # Undefines the callback with the key in this container. - def undefine(key, callback_proc) - callback = extract_callback(callback_proc) do - raise "You may only undefine callbacks that use the call method." - end - @callback_registry[key].delete callback - callback - end - - # Notifies the callbacks for the key. Arguments may be passed. - # An error handler may be passed in as a block. If there is an error, the block is called with - # error object as an argument. - # An array of the return values of the callbacks is returned. - def notify(key, *args, &error_handler) - @callback_registry[key].collect do |callback| - begin - callback.call(*args) - rescue Exception => e - yield(e) if error_handler - end - end - end - - # Clears all of the callbacks in this container. - def clear - @callback_registry.clear - end - - protected - def extract_callback(first_choice_callback, second_choice_callback = nil) - callback = nil - if first_choice_callback - callback = first_choice_callback - elsif second_choice_callback - callback = second_choice_callback - end - unless callback.respond_to? :call - yield - end - return callback - end - end -end diff --git a/test/lib/spec/callback/extensions/module.rb b/test/lib/spec/callback/extensions/module.rb deleted file mode 100644 index 429268ed1..000000000 --- a/test/lib/spec/callback/extensions/module.rb +++ /dev/null @@ -1,24 +0,0 @@ -module Callback - module ModuleMethods - # For each event_name submitted, defines a callback event with this name. - # Client code can then register as a callback listener using object.event_name. - def callback_events(*event_names) - event_names.each do |event_name| - define_callback_event(event_name) - end - end - - private - def define_callback_event(event_name) - module_eval <<-EOS - def #{event_name}(&block) - register_callback(:#{event_name}, &block) - end - EOS - end - end -end - -class Module - include Callback::ModuleMethods -end diff --git a/test/lib/spec/callback/extensions/object.rb b/test/lib/spec/callback/extensions/object.rb deleted file mode 100644 index c6ac6fd14..000000000 --- a/test/lib/spec/callback/extensions/object.rb +++ /dev/null @@ -1,37 +0,0 @@ -module Callback - module InstanceMethods - # Registers a callback for the event on the object. The callback can either be a block or a proc. - # When the callbacks are notified, the return value of the proc is passed to the caller. - def register_callback(event, callback_proc=nil, &callback_block) - callbacks.define(event, callback_proc, &callback_block) - end - - # Removes the callback from the event. The callback proc must be the same - # object as the one that was passed to register_callback. - def unregister_callback(event, callback_proc) - callbacks.undefine(event, callback_proc) - end - - protected - # Notifies the callbacks registered with the event on the object. Arguments can be passed to the callbacks. - # An error handler may be passed in as a block. If there is an error, the block is called with - # error object as an argument. - # An array of the return values of the callbacks is returned. - def notify_callbacks(event, *args, &error_handler) - callbacks.notify(event, *args, &error_handler) - end - - def notify_class_callbacks(event, *args, &error_handler) - self.class.send(:notify_callbacks, event, *args, &error_handler) - end - - # The CallbackContainer for this object. - def callbacks - @callbacks ||= CallbackContainer.new - end - end -end - -class Object - include Callback::InstanceMethods -end
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