Golang New Examples

Example #1

File: example.go Project: apoydence/lightsoff

func main() {
	someChannel := make(chan int, 10)
	count := 5
	lights := lightsoff.New(count, func() {
		close(someChannel)
	})

	for i := 0; i < count; i++ {
		go run(someChannel, lights)
	}

	for range someChannel {
		//NOP
	}
}

Example #2

File: lightsoff_test.go Project: apoydence/lightsoff

	"github.com/apoydence/lightsoff"

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
)

var _ = Describe("Lightsoff", func() {
	var (
		lightsOff  *lightsoff.LightsOff
		funcCalled chan struct{}
	)

	BeforeEach(func() {
		funcCalled = make(chan struct{})
		lightsOff = lightsoff.New(5, func() {
			close(funcCalled)
		})
	})

	It("calls the callback function once everyone is done", func() {
		for i := 0; i < 5; i++ {
			go func() {
				lightsOff.TurnOff()
			}()
		}

		Eventually(funcCalled).Should(BeClosed())
	})

	It("calls the callback only once", func() {
		var wg sync.WaitGroup