| /* |
| * 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 getty |
| |
| import ( |
| "context" |
| "testing" |
| ) |
| |
| import ( |
| "github.com/opentracing/opentracing-go" |
| "github.com/opentracing/opentracing-go/mocktracer" |
| |
| "github.com/stretchr/testify/assert" |
| ) |
| |
| import ( |
| "dubbo.apache.org/dubbo-go/v3/common/constant" |
| "dubbo.apache.org/dubbo-go/v3/protocol/invocation" |
| ) |
| |
| // test rebuild the ctx |
| func TestRebuildCtx(t *testing.T) { |
| opentracing.SetGlobalTracer(mocktracer.New()) |
| attach := make(map[string]interface{}, 10) |
| attach[constant.VersionKey] = "1.0" |
| attach[constant.GroupKey] = "MyGroup" |
| inv := invocation.NewRPCInvocation("MethodName", []interface{}{"OK", "Hello"}, attach) |
| |
| // attachment doesn't contains any tracing key-value pair, |
| ctx := rebuildCtx(inv) |
| assert.NotNil(t, ctx) |
| assert.Nil(t, ctx.Value(constant.TracingRemoteSpanCtx)) |
| |
| span, ctx := opentracing.StartSpanFromContext(ctx, "Test-Client") |
| assert.NotNil(t, ctx) |
| err := injectTraceCtx(span, inv) |
| assert.NoError(t, err) |
| |
| // rebuild the context success |
| inv = invocation.NewRPCInvocation("MethodName", []interface{}{"OK", "Hello"}, attach) |
| ctx = rebuildCtx(inv) |
| span.Finish() |
| assert.NotNil(t, ctx) |
| assert.NotNil(t, ctx.Value(constant.TracingRemoteSpanCtx)) |
| } |
| |
| // rebuildCtx rebuild the context by attachment. |
| // Once we decided to transfer more context's key-value, we should change this. |
| // now we only support rebuild the tracing context |
| func rebuildCtx(inv *invocation.RPCInvocation) context.Context { |
| ctx := context.WithValue(context.Background(), constant.DubboCtxKey("attachment"), inv.Attachments()) |
| |
| // actually, if user do not use any opentracing framework, the err will not be nil. |
| spanCtx, err := opentracing.GlobalTracer().Extract(opentracing.TextMap, |
| opentracing.TextMapCarrier(filterContext(inv.Attachments()))) |
| if err == nil { |
| ctx = context.WithValue(ctx, constant.TracingRemoteSpanCtx, spanCtx) |
| } |
| return ctx |
| } |