| package dbus |
| |
| import ( |
| "testing" |
| "time" |
| ) |
| |
| // TestSubscribeUnit exercises the basics of subscription of a particular unit. |
| func TestSubscriptionSetUnit(t *testing.T) { |
| target := "subscribe-events-set.service" |
| |
| conn, err := New() |
| |
| if err != nil { |
| t.Fatal(err) |
| } |
| |
| err = conn.Subscribe() |
| if err != nil { |
| t.Fatal(err) |
| } |
| |
| subSet := conn.NewSubscriptionSet() |
| evChan, errChan := subSet.Subscribe() |
| |
| subSet.Add(target) |
| setupUnit(target, conn, t) |
| linkUnit(target, conn, t) |
| |
| job, err := conn.StartUnit(target, "replace") |
| if err != nil { |
| t.Fatal(err) |
| } |
| |
| if job != "done" { |
| t.Fatal("Couldn't start", target) |
| } |
| |
| timeout := make(chan bool, 1) |
| go func() { |
| time.Sleep(3 * time.Second) |
| close(timeout) |
| }() |
| |
| for { |
| select { |
| case changes := <-evChan: |
| tCh, ok := changes[target] |
| |
| if !ok { |
| t.Fatal("Unexpected event:", changes) |
| } |
| |
| if tCh.ActiveState == "active" && tCh.Name == target { |
| goto success |
| } |
| case err = <-errChan: |
| t.Fatal(err) |
| case <-timeout: |
| t.Fatal("Reached timeout") |
| } |
| } |
| |
| success: |
| return |
| } |