| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package backend |
| |
| import ( |
| "fmt" |
| "github.com/apache/servicecomb-service-center/pkg/util" |
| pb "github.com/apache/servicecomb-service-center/server/core/proto" |
| "github.com/apache/servicecomb-service-center/server/plugin/pkg/discovery" |
| "testing" |
| "time" |
| ) |
| |
| type mockCache struct { |
| c map[string]*discovery.KeyValue |
| } |
| |
| func (n *mockCache) Name() string { return "mock" } |
| func (n *mockCache) Size() int { return 0 } |
| func (n *mockCache) Get(k string) *discovery.KeyValue { return nil } |
| func (n *mockCache) GetAll(arr *[]*discovery.KeyValue) (i int) { |
| for range n.c { |
| i++ |
| } |
| return i |
| } |
| func (n *mockCache) GetPrefix(prefix string, arr *[]*discovery.KeyValue) int { return 0 } |
| func (n *mockCache) ForEach(iter func(k string, v *discovery.KeyValue) (next bool)) {} |
| func (n *mockCache) Put(k string, v *discovery.KeyValue) { n.c[k] = v } |
| func (n *mockCache) Remove(k string) { delete(n.c, k) } |
| |
| func TestInstanceEventDeferHandler_OnCondition(t *testing.T) { |
| iedh := &InstanceEventDeferHandler{ |
| Percent: 0, |
| } |
| |
| if iedh.OnCondition(nil, nil) { |
| t.Fatalf(`TestInstanceEventDeferHandler_OnCondition with 0%% failed`) |
| } |
| |
| iedh.Percent = 0.01 |
| if !iedh.OnCondition(nil, nil) { |
| t.Fatalf(`TestInstanceEventDeferHandler_OnCondition with 1%% failed`) |
| } |
| } |
| |
| func TestInstanceEventDeferHandler_HandleChan(t *testing.T) { |
| b := &pb.MicroServiceInstance{ |
| HealthCheck: &pb.HealthCheck{ |
| Interval: 3, |
| Times: 0, |
| }, |
| } |
| kv1 := &discovery.KeyValue{ |
| Key: util.StringToBytesWithNoCopy("/1"), |
| Value: b, |
| } |
| kv2 := &discovery.KeyValue{ |
| Key: util.StringToBytesWithNoCopy("/2"), |
| Value: b, |
| } |
| kv3 := &discovery.KeyValue{ |
| Key: util.StringToBytesWithNoCopy("/3"), |
| Value: b, |
| } |
| kv4 := &discovery.KeyValue{ |
| Key: util.StringToBytesWithNoCopy("/4"), |
| Value: b, |
| } |
| kv5 := &discovery.KeyValue{ |
| Key: util.StringToBytesWithNoCopy("/5"), |
| Value: b, |
| } |
| kv6 := &discovery.KeyValue{ |
| Key: util.StringToBytesWithNoCopy("/6"), |
| Value: b, |
| } |
| |
| cache := &mockCache{c: make(map[string]*discovery.KeyValue)} |
| cache.Put("/1", kv1) |
| evts0 := []discovery.KvEvent{ |
| { |
| Type: pb.EVT_DELETE, |
| KV: kv1, |
| }, |
| } |
| |
| iedh := &InstanceEventDeferHandler{ |
| Percent: 1, |
| } |
| iedh.OnCondition(cache, evts0) |
| select { |
| case evt := <-iedh.HandleChan(): |
| if string(evt.KV.Key) != "/1" || evt.Type != pb.EVT_DELETE { |
| t.Fatalf(`TestInstanceEventDeferHandler_HandleChan DELETE failed`) |
| } |
| case <-time.After(deferCheckWindow + time.Second): |
| t.Fatalf(`TestInstanceEventDeferHandler_HandleChan DELETE timed out`) |
| } |
| |
| cache.Put("/1", kv1) |
| cache.Put("/2", kv2) |
| cache.Put("/3", kv3) |
| cache.Put("/4", kv4) |
| cache.Put("/5", kv5) |
| cache.Put("/6", kv6) |
| |
| evts1 := []discovery.KvEvent{ |
| { |
| Type: pb.EVT_CREATE, |
| KV: kv1, |
| }, |
| { |
| Type: pb.EVT_UPDATE, |
| KV: kv1, |
| }, |
| } |
| evts2 := []discovery.KvEvent{ |
| { |
| Type: pb.EVT_DELETE, |
| KV: kv2, |
| }, |
| { |
| Type: pb.EVT_DELETE, |
| KV: kv3, |
| }, |
| { |
| Type: pb.EVT_DELETE, |
| KV: kv4, |
| }, |
| { |
| Type: pb.EVT_DELETE, |
| KV: kv5, |
| }, |
| { |
| Type: pb.EVT_DELETE, |
| KV: kv6, |
| }, |
| } |
| evts3 := []discovery.KvEvent{ |
| { |
| Type: pb.EVT_CREATE, |
| KV: kv2, |
| }, |
| { |
| Type: pb.EVT_UPDATE, |
| KV: kv4, |
| }, |
| { |
| Type: pb.EVT_UPDATE, |
| KV: kv5, |
| }, |
| { |
| Type: pb.EVT_CREATE, |
| KV: kv6, |
| }, |
| } |
| |
| iedh.Percent = 0.01 |
| iedh.OnCondition(cache, evts1) |
| iedh.OnCondition(cache, evts2) |
| iedh.OnCondition(cache, evts3) |
| |
| getEvents(t, iedh) |
| |
| iedh.Percent = 0.9 |
| iedh.OnCondition(cache, evts1) |
| iedh.OnCondition(cache, evts2) |
| iedh.OnCondition(cache, evts3) |
| |
| getEvents(t, iedh) |
| } |
| |
| func getEvents(t *testing.T, iedh *InstanceEventDeferHandler) { |
| fmt.Println(time.Now()) |
| c := time.After(3500 * time.Millisecond) |
| var evt3 *discovery.KvEvent |
| for { |
| select { |
| case evt := <-iedh.HandleChan(): |
| fmt.Println(time.Now(), evt.Type, string(evt.KV.Key)) |
| if string(evt.KV.Key) == "/3" { |
| evt3 = &evt |
| if iedh.Percent == 0.01 && evt.Type == pb.EVT_DELETE { |
| t.Fatalf(`TestInstanceEventDeferHandler_HandleChan with 1%% failed`) |
| } |
| } |
| continue |
| case <-c: |
| if iedh.Percent == 0.9 && evt3 == nil { |
| t.Fatalf(`TestInstanceEventDeferHandler_HandleChan with 90%% failed`) |
| } |
| } |
| break |
| } |
| } |