예제 #1
0
func testInstances(s store.Store, t *testing.T) {
	require.Nil(t, s.AddService("svc", testService))
	require.Nil(t, s.AddInstance("svc", "inst", testInst))

	instances := func() map[string]data.Instance {
		insts := make(map[string]data.Instance)
		require.Nil(t, store.ForeachInstance(s, "svc", func(_, n string, inst data.Instance) error {
			insts[n] = inst
			return nil
		}))
		return insts
	}

	require.Equal(t, map[string]data.Instance{"inst": testInst}, instances())

	serviceInstances := func() map[string]data.Instance {
		insts := make(map[string]data.Instance)
		require.Nil(t, store.ForeachServiceInstance(s, nil, func(sn string, in string, inst data.Instance) error {
			insts[sn+" "+in] = inst
			return nil
		}))
		return insts
	}

	require.Equal(t, map[string]data.Instance{"svc inst": testInst}, serviceInstances())

	require.Nil(t, s.RemoveInstance("svc", "inst"))
	require.Equal(t, map[string]data.Instance{}, instances())
	require.Equal(t, map[string]data.Instance{}, serviceInstances())
}
예제 #2
0
func testWatchServices(s store.Store, t *testing.T) {
	check := func(opts store.QueryServiceOptions, body func(w *watcher), changes ...data.ServiceChange) {
		w := newWatcher(s, opts)
		body(w)
		// Yuck.  There's a race between making a change in
		// etcd, and hearing about it via the watch, and I
		// haven't found a nicer way to avoid it.
		time.Sleep(100 * time.Millisecond)
		w.stop()
		require.Equal(t, changes, w.changes)
		require.Nil(t, s.RemoveAllServices())
	}

	check(store.QueryServiceOptions{}, func(w *watcher) {
		require.Nil(t, s.AddService("svc", testService))
	}, data.ServiceChange{"svc", false})

	require.Nil(t, s.AddService("svc", testService))
	check(store.QueryServiceOptions{}, func(w *watcher) {
		require.Nil(t, s.RemoveAllServices())
		require.Nil(t, s.AddService("svc", testService))
		require.Nil(t, s.RemoveService("svc"))
	}, data.ServiceChange{"svc", true}, data.ServiceChange{"svc", false},
		data.ServiceChange{"svc", true})

	// WithInstances false, so adding an instance should not
	// cause an event
	require.Nil(t, s.AddService("svc", testService))
	check(store.QueryServiceOptions{}, func(w *watcher) {
		require.Nil(t, s.AddInstance("svc", "inst", testInst))
	})

	// WithInstances true, so instance changes should
	// cause events
	require.Nil(t, s.AddService("svc", testService))
	check(store.QueryServiceOptions{WithInstances: true},
		func(w *watcher) {
			require.Nil(t, s.AddInstance("svc", "inst", testInst))
			require.Nil(t, s.RemoveInstance("svc", "inst"))
		}, data.ServiceChange{"svc", false},
		data.ServiceChange{"svc", false})

	// WithContainerRules false, so adding a rule should not
	// cause an event
	require.Nil(t, s.AddService("svc", testService))
	check(store.QueryServiceOptions{}, func(w *watcher) {
		require.Nil(t, s.SetContainerRule("svc", "group", testRule))
	})

	// WithContainerRules true, so instance changes should
	// cause events
	require.Nil(t, s.AddService("svc", testService))
	check(store.QueryServiceOptions{WithContainerRules: true},
		func(w *watcher) {
			require.Nil(t, s.SetContainerRule("svc", "group", testRule))
			require.Nil(t, s.RemoveContainerRule("svc", "group"))
		}, data.ServiceChange{"svc", false},
		data.ServiceChange{"svc", false})
}