master/spec/guard/hook_spec.rb

104 lines
3.0 KiB
Ruby

require 'spec_helper'
require 'guard/guard'
describe Guard::Hook do
subject { Guard::Hook }
class Guard::Dummy < Guard::Guard; end
let(:guard_class) { ::Guard::Dummy }
let(:listener) { double('listener').as_null_object }
after { subject.reset_callbacks! }
context "--module methods--" do
before { subject.add_callback(listener, guard_class, :start_begin) }
describe ".add_callback" do
it "can add a single callback" do
subject.has_callback?(listener, guard_class, :start_begin).should be_true
end
it "can add multiple callbacks" do
subject.add_callback(listener, guard_class, [:event1, :event2])
subject.has_callback?(listener, guard_class, :event1).should be_true
subject.has_callback?(listener, guard_class, :event2).should be_true
end
end
describe ".notify" do
it "sends :call to the given Guard class's callbacks" do
listener.should_receive(:call).with(guard_class, :start_begin, "args")
subject.notify(guard_class, :start_begin, "args")
end
it "runs only the given callbacks" do
listener2 = double('listener2')
subject.add_callback(listener2, guard_class, :start_end)
listener2.should_not_receive(:call).with(guard_class, :start_end)
subject.notify(guard_class, :start_begin)
end
it "runs callbacks only for the guard given" do
guard2_class = double('Guard::Dummy2').class
subject.add_callback(listener, guard2_class, :start_begin)
listener.should_not_receive(:call).with(guard2_class, :start_begin)
subject.notify(guard_class, :start_begin)
end
end
end
describe "#hook" do
before(:all) do
guard_class.class_eval do
def start
hook "my_hook"
end
def run_all
hook :begin
hook :end
end
def stop
hook :begin, 'args'
hook 'special_sauce', 'first_arg', 'second_arg'
end
end
@guard = guard_class.new
end
it "calls Guard::Hook.notify" do
Guard::Hook.should_receive(:notify).with(guard_class, :run_all_begin)
Guard::Hook.should_receive(:notify).with(guard_class, :run_all_end)
@guard.run_all
end
it "if passed a string parameter, will use that for the hook name" do
Guard::Hook.should_receive(:notify).with(guard_class, :my_hook)
@guard.start
end
it "accepts extra args" do
Guard::Hook.should_receive(:notify).with(guard_class, :stop_begin, 'args')
Guard::Hook.should_receive(:notify).with(guard_class, :special_sauce, 'first_arg', 'second_arg')
@guard.stop
end
context "--UI message--" do
it "is sent when in development mode" do
ENV["GUARD_ENV"] = 'development'
Guard::UI.should_receive(:info)
@guard.start
ENV["GUARD_ENV"] = 'test'
end
it "is not sent when not in development mode" do
Guard::UI.should_not_receive(:info)
@guard.start
end
end
end
end