uh-wm/spec/uh/wm/runner_spec.rb
2015-04-10 07:15:08 +00:00

117 lines
3.1 KiB
Ruby

module Uh
module WM
RSpec.describe Runner do
let(:env) { Env.new(StringIO.new) }
subject(:runner) { described_class.new env }
describe '.run' do
subject(:run) { described_class.run env, stopped: true }
before do
allow(Display)
.to receive(:new) { double('display', open: nil).as_null_object }
end
it 'builds a new Runner with given env' do
expect(described_class)
.to receive(:new).with(env, anything).and_call_original
run
end
it 'registers event hooks' do
runner.stop!
allow(described_class).to receive(:new) { runner }
expect(runner).to receive(:register_event_hooks)
run
end
it 'connects the manager' do
runner.stop!
allow(described_class).to receive(:new) { runner }
expect(runner).to receive(:connect_manager)
run
end
end
describe '#initialize' do
it 'assigns the env' do
expect(runner.env).to be env
end
it 'assigns a new Dispatcher' do
expect(runner.events).to be_a Dispatcher
end
it 'assigns a new Manager' do
expect(runner.manager).to be_a Manager
end
it 'is not stopped' do
expect(runner).not_to be_stopped
end
end
describe '#stopped?' do
context 'when not stopped' do
it 'returns false' do
expect(runner.stopped?).to be false
end
end
context 'when stopped' do
before { runner.stop! }
it 'returns true' do
expect(runner.stopped?).to be true
end
end
end
describe '#stop!' do
it 'sets the runner as stopped' do
expect { runner.stop! }
.to change { runner.stopped? }
.from(false).to(true)
end
end
describe '#register_event_hooks' do
it 'registers manager event hooks for logging' do
runner.register_event_hooks
expect(env).to receive(:log)
runner.events.emit :display, :connected
end
it 'registers key bindings event hooks' do
runner.register_event_hooks
expect(runner.events[:key, :q]).not_to be_empty
end
end
describe '#connect_manager' do
let(:manager) { instance_spy Manager }
subject(:runner) { described_class.new env, manager: manager }
it 'connects the manager' do
expect(runner.manager).to receive :connect
runner.connect_manager
end
it 'tells the manager to grab keys' do
expect(runner.manager).to receive(:grab_key).with :q
runner.connect_manager
end
end
describe '#run_until' do
it 'tells the manager to handle events until given block is true' do
block = proc { }
allow(block).to receive(:call).and_return(false, false, false, true)
expect(runner.manager).to receive(:handle_pending_events).exactly(3).times
runner.run_until &block
end
end
end
end
end