Example #1
0
func ExampleMock_After() {
	// Create a new mock clock.
	clock := clock.NewMock()
	count := 0

	// Create a channel to execute after 10 mock seconds.
	go func() {
		<-clock.After(10 * time.Second)
		count = 100
	}()
	runtime.Gosched()

	// Print the starting value.
	fmt.Printf("%s: %d\n", clock.Now().UTC(), count)

	// Move the clock forward 5 seconds and print the value again.
	clock.Add(5 * time.Second)
	fmt.Printf("%s: %d\n", clock.Now().UTC(), count)

	// Move the clock forward 5 seconds to the tick time and check the value.
	clock.Add(5 * time.Second)
	fmt.Printf("%s: %d\n", clock.Now().UTC(), count)

	// Output:
	// 1970-01-01 00:00:00 +0000 UTC: 0
	// 1970-01-01 00:00:05 +0000 UTC: 0
	// 1970-01-01 00:00:10 +0000 UTC: 100
}
Example #2
0
// Ensure that the mock's current time can be changed.
func TestMock_Now(t *testing.T) {
	clock := clock.NewMock()
	if now := clock.Now(); !now.Equal(time.Unix(0, 0)) {
		t.Fatalf("expected epoch, got: ", now)
	}

	// Add 10 seconds and check the time.
	clock.Add(10 * time.Second)
	if now := clock.Now(); !now.Equal(time.Unix(10, 0)) {
		t.Fatalf("expected epoch, got: ", now)
	}
}
Example #3
0
func ExampleMock_AfterFunc() {
	// Create a new mock clock.
	clock := clock.NewMock()
	count := 0

	// Execute a function after 10 mock seconds.
	clock.AfterFunc(10*time.Second, func() {
		count = 100
	})
	runtime.Gosched()

	// Print the starting value.
	fmt.Printf("%s: %d\n", clock.Now().UTC(), count)

	// Move the clock forward 10 seconds and print the new value.
	clock.Add(10 * time.Second)
	fmt.Printf("%s: %d\n", clock.Now().UTC(), count)

	// Output:
	// 1970-01-01 00:00:00 +0000 UTC: 0
	// 1970-01-01 00:00:10 +0000 UTC: 100
}