Ejemplo n.º 1
0
func TestGC(t *testing.T) {
	c, clock := newTestCache()

	// When empty
	c.gc()
	assertCacheSize(t, c, 0)

	tok1, err := c.Insert(nextRequest())
	require.NoError(t, err)
	assertCacheSize(t, c, 1)
	clock.Step(10 * time.Second)
	tok2, err := c.Insert(nextRequest())
	require.NoError(t, err)
	assertCacheSize(t, c, 2)

	// expired: tok1, tok2
	// non-expired: tok3, tok4
	clock.Step(2 * CacheTTL)
	tok3, err := c.Insert(nextRequest())
	require.NoError(t, err)
	assertCacheSize(t, c, 1)
	clock.Step(10 * time.Second)
	tok4, err := c.Insert(nextRequest())
	require.NoError(t, err)
	assertCacheSize(t, c, 2)

	_, ok := c.Consume(tok1)
	assert.False(t, ok)
	_, ok = c.Consume(tok2)
	assert.False(t, ok)
	_, ok = c.Consume(tok3)
	assert.True(t, ok)
	_, ok = c.Consume(tok4)
	assert.True(t, ok)

	// When full, nothing is expired.
	for i := 0; i < MaxInFlight; i++ {
		_, err := c.Insert(nextRequest())
		require.NoError(t, err)
	}
	assertCacheSize(t, c, MaxInFlight)

	// When everything is expired
	clock.Step(2 * CacheTTL)
	_, err = c.Insert(nextRequest())
	require.NoError(t, err)
	assertCacheSize(t, c, 1)
}
Ejemplo n.º 2
0
func TestHealthy(t *testing.T) {
	testPleg := newTestGenericPLEG()
	pleg, _, clock := testPleg.pleg, testPleg.runtime, testPleg.clock
	ok, _ := pleg.Healthy()
	assert.True(t, ok, "pleg should be healthy")

	// Advance the clock without any relisting.
	clock.Step(time.Minute * 10)
	ok, _ = pleg.Healthy()
	assert.False(t, ok, "pleg should be unhealthy")

	// Relist and than advance the time by 1 minute. pleg should be healthy
	// because this is within the allowed limit.
	pleg.relist()
	clock.Step(time.Minute * 1)
	ok, _ = pleg.Healthy()
	assert.True(t, ok, "pleg should be healthy")
}
Ejemplo n.º 3
0
func TestGetWork(t *testing.T) {
	q, clock := newTestBasicWorkQueue()
	q.Enqueue(types.UID("foo1"), -1*time.Minute)
	q.Enqueue(types.UID("foo2"), -1*time.Minute)
	q.Enqueue(types.UID("foo3"), 1*time.Minute)
	q.Enqueue(types.UID("foo4"), 1*time.Minute)
	expected := []types.UID{types.UID("foo1"), types.UID("foo2")}
	compareResults(t, expected, q.GetWork())
	compareResults(t, []types.UID{}, q.GetWork())
	// Dial the time to 1 hour ahead.
	clock.Step(time.Hour)
	expected = []types.UID{types.UID("foo3"), types.UID("foo4")}
	compareResults(t, expected, q.GetWork())
	compareResults(t, []types.UID{}, q.GetWork())
}
Ejemplo n.º 4
0
func TestMultiSinkCache(t *testing.T) {
	testPod := &v1.Pod{
		ObjectMeta: v1.ObjectMeta{
			SelfLink:  "/api/version/pods/foo",
			Name:      "foo",
			Namespace: "baz",
			UID:       "bar",
		},
	}
	testPod2 := &v1.Pod{
		ObjectMeta: v1.ObjectMeta{
			SelfLink:  "/api/version/pods/foo",
			Name:      "foo",
			Namespace: "baz",
			UID:       "differentUid",
		},
	}
	testRef, err := v1.GetPartialReference(testPod, "spec.containers[2]")
	testRef2, err := v1.GetPartialReference(testPod2, "spec.containers[3]")
	if err != nil {
		t.Fatal(err)
	}
	table := []struct {
		obj          k8sruntime.Object
		eventtype    string
		reason       string
		messageFmt   string
		elements     []interface{}
		expect       *v1.Event
		expectLog    string
		expectUpdate bool
	}{
		{
			obj:        testRef,
			eventtype:  v1.EventTypeNormal,
			reason:     "Started",
			messageFmt: "some verbose message: %v",
			elements:   []interface{}{1},
			expect: &v1.Event{
				ObjectMeta: v1.ObjectMeta{
					Name:      "foo",
					Namespace: "baz",
				},
				InvolvedObject: v1.ObjectReference{
					Kind:       "Pod",
					Name:       "foo",
					Namespace:  "baz",
					UID:        "bar",
					APIVersion: "version",
					FieldPath:  "spec.containers[2]",
				},
				Reason:  "Started",
				Message: "some verbose message: 1",
				Source:  v1.EventSource{Component: "eventTest"},
				Count:   1,
				Type:    v1.EventTypeNormal,
			},
			expectLog:    `Event(v1.ObjectReference{Kind:"Pod", Namespace:"baz", Name:"foo", UID:"bar", APIVersion:"version", ResourceVersion:"", FieldPath:"spec.containers[2]"}): type: 'Normal' reason: 'Started' some verbose message: 1`,
			expectUpdate: false,
		},
		{
			obj:        testPod,
			eventtype:  v1.EventTypeNormal,
			reason:     "Killed",
			messageFmt: "some other verbose message: %v",
			elements:   []interface{}{1},
			expect: &v1.Event{
				ObjectMeta: v1.ObjectMeta{
					Name:      "foo",
					Namespace: "baz",
				},
				InvolvedObject: v1.ObjectReference{
					Kind:       "Pod",
					Name:       "foo",
					Namespace:  "baz",
					UID:        "bar",
					APIVersion: "version",
				},
				Reason:  "Killed",
				Message: "some other verbose message: 1",
				Source:  v1.EventSource{Component: "eventTest"},
				Count:   1,
				Type:    v1.EventTypeNormal,
			},
			expectLog:    `Event(v1.ObjectReference{Kind:"Pod", Namespace:"baz", Name:"foo", UID:"bar", APIVersion:"version", ResourceVersion:"", FieldPath:""}): type: 'Normal' reason: 'Killed' some other verbose message: 1`,
			expectUpdate: false,
		},
		{
			obj:        testRef,
			eventtype:  v1.EventTypeNormal,
			reason:     "Started",
			messageFmt: "some verbose message: %v",
			elements:   []interface{}{1},
			expect: &v1.Event{
				ObjectMeta: v1.ObjectMeta{
					Name:      "foo",
					Namespace: "baz",
				},
				InvolvedObject: v1.ObjectReference{
					Kind:       "Pod",
					Name:       "foo",
					Namespace:  "baz",
					UID:        "bar",
					APIVersion: "version",
					FieldPath:  "spec.containers[2]",
				},
				Reason:  "Started",
				Message: "some verbose message: 1",
				Source:  v1.EventSource{Component: "eventTest"},
				Count:   2,
				Type:    v1.EventTypeNormal,
			},
			expectLog:    `Event(v1.ObjectReference{Kind:"Pod", Namespace:"baz", Name:"foo", UID:"bar", APIVersion:"version", ResourceVersion:"", FieldPath:"spec.containers[2]"}): type: 'Normal' reason: 'Started' some verbose message: 1`,
			expectUpdate: true,
		},
		{
			obj:        testRef2,
			eventtype:  v1.EventTypeNormal,
			reason:     "Started",
			messageFmt: "some verbose message: %v",
			elements:   []interface{}{1},
			expect: &v1.Event{
				ObjectMeta: v1.ObjectMeta{
					Name:      "foo",
					Namespace: "baz",
				},
				InvolvedObject: v1.ObjectReference{
					Kind:       "Pod",
					Name:       "foo",
					Namespace:  "baz",
					UID:        "differentUid",
					APIVersion: "version",
					FieldPath:  "spec.containers[3]",
				},
				Reason:  "Started",
				Message: "some verbose message: 1",
				Source:  v1.EventSource{Component: "eventTest"},
				Count:   1,
				Type:    v1.EventTypeNormal,
			},
			expectLog:    `Event(v1.ObjectReference{Kind:"Pod", Namespace:"baz", Name:"foo", UID:"differentUid", APIVersion:"version", ResourceVersion:"", FieldPath:"spec.containers[3]"}): type: 'Normal' reason: 'Started' some verbose message: 1`,
			expectUpdate: false,
		},
		{
			obj:        testRef,
			eventtype:  v1.EventTypeNormal,
			reason:     "Started",
			messageFmt: "some verbose message: %v",
			elements:   []interface{}{1},
			expect: &v1.Event{
				ObjectMeta: v1.ObjectMeta{
					Name:      "foo",
					Namespace: "baz",
				},
				InvolvedObject: v1.ObjectReference{
					Kind:       "Pod",
					Name:       "foo",
					Namespace:  "baz",
					UID:        "bar",
					APIVersion: "version",
					FieldPath:  "spec.containers[2]",
				},
				Reason:  "Started",
				Message: "some verbose message: 1",
				Source:  v1.EventSource{Component: "eventTest"},
				Count:   3,
				Type:    v1.EventTypeNormal,
			},
			expectLog:    `Event(v1.ObjectReference{Kind:"Pod", Namespace:"baz", Name:"foo", UID:"bar", APIVersion:"version", ResourceVersion:"", FieldPath:"spec.containers[2]"}): type: 'Normal' reason: 'Started' some verbose message: 1`,
			expectUpdate: true,
		},
		{
			obj:        testRef2,
			eventtype:  v1.EventTypeNormal,
			reason:     "Stopped",
			messageFmt: "some verbose message: %v",
			elements:   []interface{}{1},
			expect: &v1.Event{
				ObjectMeta: v1.ObjectMeta{
					Name:      "foo",
					Namespace: "baz",
				},
				InvolvedObject: v1.ObjectReference{
					Kind:       "Pod",
					Name:       "foo",
					Namespace:  "baz",
					UID:        "differentUid",
					APIVersion: "version",
					FieldPath:  "spec.containers[3]",
				},
				Reason:  "Stopped",
				Message: "some verbose message: 1",
				Source:  v1.EventSource{Component: "eventTest"},
				Count:   1,
				Type:    v1.EventTypeNormal,
			},
			expectLog:    `Event(v1.ObjectReference{Kind:"Pod", Namespace:"baz", Name:"foo", UID:"differentUid", APIVersion:"version", ResourceVersion:"", FieldPath:"spec.containers[3]"}): type: 'Normal' reason: 'Stopped' some verbose message: 1`,
			expectUpdate: false,
		},
		{
			obj:        testRef2,
			eventtype:  v1.EventTypeNormal,
			reason:     "Stopped",
			messageFmt: "some verbose message: %v",
			elements:   []interface{}{1},
			expect: &v1.Event{
				ObjectMeta: v1.ObjectMeta{
					Name:      "foo",
					Namespace: "baz",
				},
				InvolvedObject: v1.ObjectReference{
					Kind:       "Pod",
					Name:       "foo",
					Namespace:  "baz",
					UID:        "differentUid",
					APIVersion: "version",
					FieldPath:  "spec.containers[3]",
				},
				Reason:  "Stopped",
				Message: "some verbose message: 1",
				Source:  v1.EventSource{Component: "eventTest"},
				Count:   2,
				Type:    v1.EventTypeNormal,
			},
			expectLog:    `Event(v1.ObjectReference{Kind:"Pod", Namespace:"baz", Name:"foo", UID:"differentUid", APIVersion:"version", ResourceVersion:"", FieldPath:"spec.containers[3]"}): type: 'Normal' reason: 'Stopped' some verbose message: 1`,
			expectUpdate: true,
		},
	}

	testCache := map[string]*v1.Event{}
	createEvent := make(chan *v1.Event)
	updateEvent := make(chan *v1.Event)
	patchEvent := make(chan *v1.Event)
	testEvents := testEventSink{
		OnCreate: OnCreateFactory(testCache, createEvent),
		OnUpdate: func(event *v1.Event) (*v1.Event, error) {
			updateEvent <- event
			return event, nil
		},
		OnPatch: OnPatchFactory(testCache, patchEvent),
	}

	testCache2 := map[string]*v1.Event{}
	createEvent2 := make(chan *v1.Event)
	updateEvent2 := make(chan *v1.Event)
	patchEvent2 := make(chan *v1.Event)
	testEvents2 := testEventSink{
		OnCreate: OnCreateFactory(testCache2, createEvent2),
		OnUpdate: func(event *v1.Event) (*v1.Event, error) {
			updateEvent2 <- event
			return event, nil
		},
		OnPatch: OnPatchFactory(testCache2, patchEvent2),
	}

	eventBroadcaster := NewBroadcasterForTests(0)
	clock := clock.NewFakeClock(time.Now())
	recorder := recorderWithFakeClock(v1.EventSource{Component: "eventTest"}, eventBroadcaster, clock)

	sinkWatcher := eventBroadcaster.StartRecordingToSink(&testEvents)
	for index, item := range table {
		clock.Step(1 * time.Second)
		recorder.Eventf(item.obj, item.eventtype, item.reason, item.messageFmt, item.elements...)

		// validate event
		if item.expectUpdate {
			actualEvent := <-patchEvent
			validateEvent(strconv.Itoa(index), actualEvent, item.expect, t)
		} else {
			actualEvent := <-createEvent
			validateEvent(strconv.Itoa(index), actualEvent, item.expect, t)
		}
	}

	// Another StartRecordingToSink call should start to record events with new clean cache.
	sinkWatcher2 := eventBroadcaster.StartRecordingToSink(&testEvents2)
	for index, item := range table {
		clock.Step(1 * time.Second)
		recorder.Eventf(item.obj, item.eventtype, item.reason, item.messageFmt, item.elements...)

		// validate event
		if item.expectUpdate {
			actualEvent := <-patchEvent2
			validateEvent(strconv.Itoa(index), actualEvent, item.expect, t)
		} else {
			actualEvent := <-createEvent2
			validateEvent(strconv.Itoa(index), actualEvent, item.expect, t)
		}
	}

	sinkWatcher.Stop()
	sinkWatcher2.Stop()
}
Ejemplo n.º 5
0
func TestEventfNoNamespace(t *testing.T) {
	testPod := &v1.Pod{
		ObjectMeta: v1.ObjectMeta{
			SelfLink: "/api/version/pods/foo",
			Name:     "foo",
			UID:      "bar",
		},
	}
	testRef, err := v1.GetPartialReference(testPod, "spec.containers[2]")
	if err != nil {
		t.Fatal(err)
	}
	table := []struct {
		obj          k8sruntime.Object
		eventtype    string
		reason       string
		messageFmt   string
		elements     []interface{}
		expect       *v1.Event
		expectLog    string
		expectUpdate bool
	}{
		{
			obj:        testRef,
			eventtype:  v1.EventTypeNormal,
			reason:     "Started",
			messageFmt: "some verbose message: %v",
			elements:   []interface{}{1},
			expect: &v1.Event{
				ObjectMeta: v1.ObjectMeta{
					Name:      "foo",
					Namespace: "default",
				},
				InvolvedObject: v1.ObjectReference{
					Kind:       "Pod",
					Name:       "foo",
					Namespace:  "",
					UID:        "bar",
					APIVersion: "version",
					FieldPath:  "spec.containers[2]",
				},
				Reason:  "Started",
				Message: "some verbose message: 1",
				Source:  v1.EventSource{Component: "eventTest"},
				Count:   1,
				Type:    v1.EventTypeNormal,
			},
			expectLog:    `Event(v1.ObjectReference{Kind:"Pod", Namespace:"", Name:"foo", UID:"bar", APIVersion:"version", ResourceVersion:"", FieldPath:"spec.containers[2]"}): type: 'Normal' reason: 'Started' some verbose message: 1`,
			expectUpdate: false,
		},
	}

	testCache := map[string]*v1.Event{}
	logCalled := make(chan struct{})
	createEvent := make(chan *v1.Event)
	updateEvent := make(chan *v1.Event)
	patchEvent := make(chan *v1.Event)
	testEvents := testEventSink{
		OnCreate: OnCreateFactory(testCache, createEvent),
		OnUpdate: func(event *v1.Event) (*v1.Event, error) {
			updateEvent <- event
			return event, nil
		},
		OnPatch: OnPatchFactory(testCache, patchEvent),
	}
	eventBroadcaster := NewBroadcasterForTests(0)
	sinkWatcher := eventBroadcaster.StartRecordingToSink(&testEvents)

	clock := clock.NewFakeClock(time.Now())
	recorder := recorderWithFakeClock(v1.EventSource{Component: "eventTest"}, eventBroadcaster, clock)

	for index, item := range table {
		clock.Step(1 * time.Second)
		logWatcher := eventBroadcaster.StartLogging(func(formatter string, args ...interface{}) {
			if e, a := item.expectLog, fmt.Sprintf(formatter, args...); e != a {
				t.Errorf("Expected '%v', got '%v'", e, a)
			}
			logCalled <- struct{}{}
		})
		recorder.Eventf(item.obj, item.eventtype, item.reason, item.messageFmt, item.elements...)

		<-logCalled

		// validate event
		if item.expectUpdate {
			actualEvent := <-patchEvent
			validateEvent(strconv.Itoa(index), actualEvent, item.expect, t)
		} else {
			actualEvent := <-createEvent
			validateEvent(strconv.Itoa(index), actualEvent, item.expect, t)
		}

		logWatcher.Stop()
	}
	sinkWatcher.Stop()
}
Ejemplo n.º 6
0
func TestConsume(t *testing.T) {
	c, clock := newTestCache()

	{ // Insert & consume.
		req := nextRequest()
		tok, err := c.Insert(req)
		require.NoError(t, err)
		assertCacheSize(t, c, 1)

		cachedReq, ok := c.Consume(tok)
		assert.True(t, ok)
		assert.Equal(t, req, cachedReq)
		assertCacheSize(t, c, 0)
	}

	{ // Insert & consume out of order
		req1 := nextRequest()
		tok1, err := c.Insert(req1)
		require.NoError(t, err)
		assertCacheSize(t, c, 1)

		req2 := nextRequest()
		tok2, err := c.Insert(req2)
		require.NoError(t, err)
		assertCacheSize(t, c, 2)

		cachedReq2, ok := c.Consume(tok2)
		assert.True(t, ok)
		assert.Equal(t, req2, cachedReq2)
		assertCacheSize(t, c, 1)

		cachedReq1, ok := c.Consume(tok1)
		assert.True(t, ok)
		assert.Equal(t, req1, cachedReq1)
		assertCacheSize(t, c, 0)
	}

	{ // Consume a second time
		req := nextRequest()
		tok, err := c.Insert(req)
		require.NoError(t, err)
		assertCacheSize(t, c, 1)

		cachedReq, ok := c.Consume(tok)
		assert.True(t, ok)
		assert.Equal(t, req, cachedReq)
		assertCacheSize(t, c, 0)

		_, ok = c.Consume(tok)
		assert.False(t, ok)
		assertCacheSize(t, c, 0)
	}

	{ // Consume without insert
		_, ok := c.Consume("fooBAR")
		assert.False(t, ok)
		assertCacheSize(t, c, 0)
	}

	{ // Consume expired
		tok, err := c.Insert(nextRequest())
		require.NoError(t, err)
		assertCacheSize(t, c, 1)

		clock.Step(2 * CacheTTL)

		_, ok := c.Consume(tok)
		assert.False(t, ok)
		assertCacheSize(t, c, 0)
	}
}