fuziye01 commented on a change in pull request #789: URL: https://github.com/apache/servicecomb-service-center/pull/789#discussion_r549317712
########## File path: datasource/mongo/sd/mongo_cacher_test.go ########## @@ -0,0 +1,307 @@ +/* + * 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 sd + +import ( + "context" + "testing" + + "github.com/apache/servicecomb-service-center/pkg/gopool" + pb "github.com/go-chassis/cari/discovery" + "github.com/stretchr/testify/assert" + "go.mongodb.org/mongo-driver/bson" +) + +func TestNewMongoCacher(t *testing.T) { + mockMongoCache := NewMongoCache("test", DefaultOptions()) + w := &mockWatcher{} + lw := &mockListWatch{ + Bus: make(chan *MongoListWatchResponse, 100), + } + w.lw = lw + + cr := &MongoCacher{ + Options: DefaultOptions(), + ready: make(chan struct{}), + lw: lw, + goroutine: gopool.New(context.Background()), + cache: mockMongoCache, + } + + ctx, cancel := context.WithCancel(context.Background()) + cancel() + + // case: cause list internal error before initialized + t.Run("case list: internal error before initialized", func(t *testing.T) { + cr.refresh(ctx) + if cr.IsReady() { + t.Fatalf("TestNewKvCacher failed") + } + + }) + + // prepare mock data + var evt MongoEvent + cr = &MongoCacher{ + Options: DefaultOptions().SetTable(instance). + SetEventFunc(func(e MongoEvent) { + evt = e + }), + ready: make(chan struct{}), + lw: lw, + goroutine: gopool.New(context.Background()), + cache: mockMongoCache, + } + lw.Watcher = w + + mockDocumentID := "5fcf2f1a4ea1e6d2f4c61d47" + mockBusinessID := "95cd8dbf3e8411eb92d8fa163e8a81c9" + mockResumeToken, _ := + bson.Marshal(bson.M{"_data": "825FDB4272000000012B022C0100296E5A10043E2D15AC82D9484C8090E68AF36FED2A46645F696400645FD76265066A6D2DF2AAC8D80004"}) + + var mongoInfos []MongoInfo + + data := MongoInfo{DocumentID: mockDocumentID, BusinessID: mockBusinessID, + Value: Instance{Domain: "default", Project: "default", + InstanceInfo: &pb.MicroServiceInstance{InstanceId: mockBusinessID, ModTimestamp: "100000"}}} + + mongoInfos = append(mongoInfos, data) + + test := &MongoListWatchResponse{ + OperationType: insertOp, + Infos: mongoInfos, + } + + // case: list 1 resp and watch 0 event + t.Run("case list: first time list init cache", func(t *testing.T) { + // case: resume token is nil, first time list event is init + cr.cache.Remove(mockBusinessID) + cr.cache.RemoveDocumentID(mockDocumentID) + lw.resumeToken = nil + lw.ListResponse = test + lw.Bus <- nil + + cr.refresh(ctx) + + // check ready + assert.Equal(t, true, cr.IsReady()) + + //check config + assert.Equal(t, instance, cr.Options.Key) + + // check event + if evt.Type != pb.EVT_INIT || evt.DocumentID != mockDocumentID || evt.BusinessID != mockBusinessID || + evt.Value.(Instance).Domain != "default" || evt.Value.(Instance).Project != "default" { + t.Fatalf("TestNewMongoCacher failed, %v", evt) + } + + // check cache + cache := cr.cache.Get(mockBusinessID) + if cache == nil || cache.(Instance).Domain != "default" || cache.(Instance).Project != "default" || + cache.(Instance).InstanceInfo.ModTimestamp != "100000" { + t.Fatalf("TestNewMongoCacher failed") + } + }) + + t.Run("case list: re-list and updateOp cache", func(t *testing.T) { + // case: re-list and should be no event + lw.Bus <- nil + evt.Value = nil + cr.refresh(ctx) + + //check events + assert.Equal(t, nil, evt.Value) + + // check cache + cache := cr.cache.Get(mockBusinessID) + if cache == nil || cache.(Instance).Domain != "default" || cache.(Instance).Project != "default" || + cache.(Instance).InstanceInfo.ModTimestamp != "100000" { + t.Fatalf("TestNewMongoCacher failed") + } + + // prepare updateOp data + dataUpdate := MongoInfo{DocumentID: mockDocumentID, BusinessID: mockBusinessID, + Value: Instance{Domain: "default", Project: "default", + InstanceInfo: &pb.MicroServiceInstance{InstanceId: mockBusinessID, HostName: "test", ModTimestamp: "100001"}}} + + var mongoUpdateInfos []MongoInfo + mongoUpdateInfos = append(mongoUpdateInfos, dataUpdate) + testUpdate := &MongoListWatchResponse{ + OperationType: insertOp, + Infos: mongoUpdateInfos, + } + + lw.ListResponse = testUpdate + lw.resumeToken = mockResumeToken + + // case: re-list and over no event times, and then event should be updateOp + for i := 0; i < DefaultForceListInterval; i++ { + lw.Bus <- nil + } + + evt.Value = nil + for i := 0; i < DefaultForceListInterval; i++ { + cr.refresh(ctx) + } + // check event + if evt.Type != pb.EVT_UPDATE || evt.DocumentID != mockDocumentID || evt.BusinessID != mockBusinessID || + evt.Value.(Instance).Domain != "default" || evt.Value.(Instance).Project != "default" || + evt.Value.(Instance).InstanceInfo.ModTimestamp != "100001" { + t.Fatalf("TestNewMongoCacher failed, %v", evt) + } + // check cache + cache = cr.cache.Get(mockBusinessID) + if cache == nil || cache.(Instance).Domain != "default" || cache.(Instance).Project != "default" || + cache.(Instance).InstanceInfo.ModTimestamp != "100001" { + t.Fatalf("TestNewMongoCacher failed") + } + }) + + t.Run("case list: no infos list and delete cache", func(t *testing.T) { + // case: no infos list, event should be delete + lw.ListResponse = &MongoListWatchResponse{} + for i := 0; i < DefaultForceListInterval; i++ { + lw.Bus <- nil + } + evt.Value = nil + for i := 0; i < DefaultForceListInterval; i++ { + cr.refresh(ctx) + } + + // check event + assert.Equal(t, pb.EVT_DELETE, evt.Type) + + // check cache + cache := cr.cache.Get(mockBusinessID) + assert.Equal(t, nil, cache) + }) + + t.Run("case list: mark cache dirty and reset cache", func(t *testing.T) { + lw.ListResponse = test + lw.Bus <- nil + lw.resumeToken = nil + evt.Value = nil + + cr.cache.MarkDirty() + cr.refresh(ctx) + + // check event + if evt.Value != nil { + t.Fatalf("TestNewMongoCacher failed, %v", evt) + } + + // check cache + cache := cr.cache.Get(mockBusinessID) + if cache == nil || cache.(Instance).Domain != "default" || cache.(Instance).Project != "default" { + t.Fatalf("TestNewMongoCacher failed:%s", test.OperationType) + } + }) + + t.Run("case watch: caught create event", func(t *testing.T) { + cr.cache.Remove(mockBusinessID) + cr.cache.RemoveDocumentID(mockDocumentID) + lw.Bus <- test + lw.Bus <- nil + lw.resumeToken = mockResumeToken + + cr.refresh(ctx) + + // check event + if evt.Type != pb.EVT_CREATE || evt.DocumentID != mockDocumentID || evt.BusinessID != mockBusinessID { Review comment: 已修改 ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
