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Contents
require 'spec_helper'
class ObservableTest
include Arachni::Support::Mixins::Observable
public :clear_observers
advertise :my_event, :my_other_event
def notify( event, *args )
send "notify_#{event}", *args
end
end
describe Arachni::Support::Mixins::Observable do
subject{ ObservableTest.new }
describe '#<event>' do
it 'adds an observer' do
called = false
subject.my_event { called = true }
subject.notify :my_event
called.should be_true
end
it 'returns self' do
subject.my_event { }.should == subject
end
context 'when no block is given' do
it 'raises ArgumentError' do
expect { subject.my_event }.to raise_error ArgumentError
end
end
context 'when the observer expects arguments' do
it 'forwards them' do
received_args = nil
sent_args = [ 1, 2, 3]
subject.my_other_event do |one, two, three|
received_args = [one, two, three]
end
subject.notify :my_other_event, sent_args
received_args.should == sent_args
end
end
describe 'when the event does not exist' do
it "raises #{NoMethodError}" do
expect { subject.blah_event }.to raise_error NoMethodError
end
end
end
describe '#call_<event>' do
it 'returns nil' do
subject.my_event { }
subject.notify( :my_event ).should be_nil
end
end
describe '#clear_observers' do
it 'removes all observers' do
called = false
subject.my_event { called = true }
subject.clear_observers
subject.notify :my_event
called.should be_false
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems