Initial commit

vendor/github.com/hyperhq/hypercli/daemon/events/events_test.go

@@ -0,0 +1,152 @@
+package events
+
+import (
+	"fmt"
+	"testing"
+	"time"
+
+	"github.com/docker/engine-api/types/events"
+)
+
+func TestEventsLog(t *testing.T) {
+	e := New()
+	_, l1, _ := e.Subscribe()
+	_, l2, _ := e.Subscribe()
+	defer e.Evict(l1)
+	defer e.Evict(l2)
+	count := e.SubscribersCount()
+	if count != 2 {
+		t.Fatalf("Must be 2 subscribers, got %d", count)
+	}
+	actor := events.Actor{
+		ID:         "cont",
+		Attributes: map[string]string{"image": "image"},
+	}
+	e.Log("test", events.ContainerEventType, actor)
+	select {
+	case msg := <-l1:
+		jmsg, ok := msg.(events.Message)
+		if !ok {
+			t.Fatalf("Unexpected type %T", msg)
+		}
+		if len(e.events) != 1 {
+			t.Fatalf("Must be only one event, got %d", len(e.events))
+		}
+		if jmsg.Status != "test" {
+			t.Fatalf("Status should be test, got %s", jmsg.Status)
+		}
+		if jmsg.ID != "cont" {
+			t.Fatalf("ID should be cont, got %s", jmsg.ID)
+		}
+		if jmsg.From != "image" {
+			t.Fatalf("From should be image, got %s", jmsg.From)
+		}
+	case <-time.After(1 * time.Second):
+		t.Fatal("Timeout waiting for broadcasted message")
+	}
+	select {
+	case msg := <-l2:
+		jmsg, ok := msg.(events.Message)
+		if !ok {
+			t.Fatalf("Unexpected type %T", msg)
+		}
+		if len(e.events) != 1 {
+			t.Fatalf("Must be only one event, got %d", len(e.events))
+		}
+		if jmsg.Status != "test" {
+			t.Fatalf("Status should be test, got %s", jmsg.Status)
+		}
+		if jmsg.ID != "cont" {
+			t.Fatalf("ID should be cont, got %s", jmsg.ID)
+		}
+		if jmsg.From != "image" {
+			t.Fatalf("From should be image, got %s", jmsg.From)
+		}
+	case <-time.After(1 * time.Second):
+		t.Fatal("Timeout waiting for broadcasted message")
+	}
+}
+
+func TestEventsLogTimeout(t *testing.T) {
+	e := New()
+	_, l, _ := e.Subscribe()
+	defer e.Evict(l)
+
+	c := make(chan struct{})
+	go func() {
+		actor := events.Actor{
+			ID: "image",
+		}
+		e.Log("test", events.ImageEventType, actor)
+		close(c)
+	}()
+
+	select {
+	case <-c:
+	case <-time.After(time.Second):
+		t.Fatal("Timeout publishing message")
+	}
+}
+
+func TestLogEvents(t *testing.T) {
+	e := New()
+
+	for i := 0; i < eventsLimit+16; i++ {
+		action := fmt.Sprintf("action_%d", i)
+		id := fmt.Sprintf("cont_%d", i)
+		from := fmt.Sprintf("image_%d", i)
+
+		actor := events.Actor{
+			ID:         id,
+			Attributes: map[string]string{"image": from},
+		}
+		e.Log(action, events.ContainerEventType, actor)
+	}
+	time.Sleep(50 * time.Millisecond)
+	current, l, _ := e.Subscribe()
+	for i := 0; i < 10; i++ {
+		num := i + eventsLimit + 16
+		action := fmt.Sprintf("action_%d", num)
+		id := fmt.Sprintf("cont_%d", num)
+		from := fmt.Sprintf("image_%d", num)
+
+		actor := events.Actor{
+			ID:         id,
+			Attributes: map[string]string{"image": from},
+		}
+		e.Log(action, events.ContainerEventType, actor)
+	}
+	if len(e.events) != eventsLimit {
+		t.Fatalf("Must be %d events, got %d", eventsLimit, len(e.events))
+	}
+
+	var msgs []events.Message
+	for len(msgs) < 10 {
+		m := <-l
+		jm, ok := (m).(events.Message)
+		if !ok {
+			t.Fatalf("Unexpected type %T", m)
+		}
+		msgs = append(msgs, jm)
+	}
+	if len(current) != eventsLimit {
+		t.Fatalf("Must be %d events, got %d", eventsLimit, len(current))
+	}
+	first := current[0]
+	if first.Status != "action_16" {
+		t.Fatalf("First action is %s, must be action_16", first.Status)
+	}
+	last := current[len(current)-1]
+	if last.Status != "action_79" {
+		t.Fatalf("Last action is %s, must be action_79", last.Status)
+	}
+
+	firstC := msgs[0]
+	if firstC.Status != "action_80" {
+		t.Fatalf("First action is %s, must be action_80", firstC.Status)
+	}
+	lastC := msgs[len(msgs)-1]
+	if lastC.Status != "action_89" {
+		t.Fatalf("Last action is %s, must be action_89", lastC.Status)
+	}
+}