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commander_spec.rb
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commander_spec.rb
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require 'spec_helper'
require 'guard/plugin'
describe Guard::Commander do
describe '.start' do
before do
::Guard.stub(:setup)
::Guard.instance_variable_set('@watchdirs', [])
::Guard.stub(listener: double('listener', start: true))
::Guard.stub(runner: double('runner', run: true))
::Guard.stub(:within_preserved_state).and_yield
end
context 'Guard has not been setuped' do
before { ::Guard.stub(:running) { false } }
it "setup Guard" do
expect(::Guard).to receive(:setup).with(foo: 'bar')
::Guard.start(foo: 'bar')
end
end
it "displays an info message" do
::Guard.instance_variable_set('@watchdirs', ['/foo/bar'])
expect(::Guard::UI).to receive(:info).with("Guard is now watching at '/foo/bar'")
::Guard.start
end
it "tell the runner to run the :start task" do
expect(::Guard.runner).to receive(:run).with(:start)
::Guard.start
end
it "start the listener" do
expect(::Guard.listener).to receive(:start)
::Guard.start
end
end
describe '.stop' do
before do
::Guard.stub(:setup)
::Guard.stub(listener: double('listener', stop: true))
::Guard.stub(runner: double('runner', run: true))
::Guard.stub(:within_preserved_state).and_yield
end
context 'Guard has not been setuped' do
before { ::Guard.stub(:running) { false } }
it "setup Guard" do
expect(::Guard).to receive(:setup)
::Guard.stop
end
end
it "turns the notifier off" do
expect(::Guard::Notifier).to receive(:turn_off)
::Guard.stop
end
it "tell the runner to run the :stop task" do
expect(::Guard.runner).to receive(:run).with(:stop)
::Guard.stop
end
it "stops the listener" do
expect(::Guard.listener).to receive(:stop)
::Guard.stop
end
it "sets the running state to false" do
::Guard.running = true
::Guard.stop
expect(::Guard.running).to be_false
end
end
describe '.reload' do
let(:runner) { double(run: true) }
let(:group) { ::Guard::Group.new('frontend') }
subject { ::Guard.setup }
before do
::Guard.stub(:runner) { runner }
::Guard.stub(:within_preserved_state).and_yield
::Guard::UI.stub(:info)
::Guard::UI.stub(:clear)
end
context 'Guard has not been setuped' do
before { ::Guard.stub(:running) { false } }
it "setup Guard" do
expect(::Guard).to receive(:setup)
::Guard.reload
end
end
it 'clears the screen' do
expect(::Guard::UI).to receive(:clear)
subject.reload
end
context 'with a given scope' do
it 'does not re-evaluate the Guardfile' do
::Guard::Guardfile::Evaluator.any_instance.should_not_receive(:reevaluate_guardfile)
subject.reload({ groups: [group] })
end
it 'reloads Guard' do
expect(runner).to receive(:run).with(:reload, { groups: [group] })
subject.reload({ groups: [group] })
end
end
context 'with an empty scope' do
it 'does re-evaluate the Guardfile' do
::Guard::Guardfile::Evaluator.any_instance.should_receive(:reevaluate_guardfile)
subject.reload
end
it 'does not reload Guard' do
expect(runner).to_not receive(:run).with(:reload, {})
subject.reload
end
end
end
describe '.run_all' do
let(:runner) { double(run: true) }
let(:group) { ::Guard::Group.new('frontend') }
subject { ::Guard.setup }
before do
::Guard.stub(runner: runner)
::Guard.stub(:within_preserved_state).and_yield
::Guard::UI.stub(:action_with_scopes)
::Guard::UI.stub(:clear)
end
context 'Guard has not been setuped' do
before { ::Guard.stub(:running) { false } }
it "setup Guard" do
expect(::Guard).to receive(:setup)
::Guard.run_all
end
end
context 'with a given scope' do
it 'runs all with the scope' do
expect(runner).to receive(:run).with(:run_all, { groups: [group] })
subject.run_all({ groups: [group] })
end
end
context 'with an empty scope' do
it 'runs all' do
expect(runner).to receive(:run).with(:run_all, {})
subject.run_all
end
end
end
describe '.within_preserved_state' do
subject { ::Guard.setup }
before { subject.interactor = double('interactor').as_null_object }
it 'disallows running the block concurrently to avoid inconsistent states' do
expect(subject.lock).to receive(:synchronize)
subject.within_preserved_state &Proc.new {}
end
it 'runs the passed block' do
@called = false
subject.within_preserved_state { @called = true }
expect(@called).to be_true
end
context '@running is true' do
it 'stops the interactor before running the block and starts it again when done' do
expect(subject.interactor).to receive(:stop)
expect(subject.interactor).to receive(:start)
subject.within_preserved_state &Proc.new {}
end
end
context '@running is false' do
before { ::Guard.stub(:running) { false } }
it 'stops the interactor before running the block and do not starts it again when done' do
expect(subject.interactor).to receive(:stop)
expect(subject.interactor).to_not receive(:start)
subject.within_preserved_state &Proc.new {}
end
end
end
end