| /* |
| 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 primitive |
| |
| import ( |
| "fmt" |
| "io/ioutil" |
| "net" |
| "net/http" |
| "os" |
| "strings" |
| "testing" |
| |
| "github.com/apache/rocketmq-client-go/v2/rlog" |
| |
| . "github.com/smartystreets/goconvey/convey" |
| ) |
| |
| func TestEnvResolver(t *testing.T) { |
| Convey("Test UpdateNameServerAddress Use Env", t, func() { |
| srvs := []string{ |
| "192.168.100.1", |
| "192.168.100.2", |
| "192.168.100.3", |
| "192.168.100.4", |
| "192.168.100.5", |
| } |
| |
| resolver := NewEnvResolver() |
| os.Setenv("NAMESRV_ADDR", strings.Join(srvs, ";")) |
| |
| addrs := resolver.Resolve() |
| |
| So(Diff(srvs, addrs), ShouldBeFalse) |
| }) |
| } |
| |
| func TestHttpResolverWithGet(t *testing.T) { |
| Convey("Test UpdateNameServerAddress Save Local Snapshot", t, func() { |
| srvs := []string{ |
| "192.168.100.1", |
| "192.168.100.2", |
| "192.168.100.3", |
| "192.168.100.4", |
| "192.168.100.5", |
| } |
| http.HandleFunc("/nameserver/addrs2", func(w http.ResponseWriter, r *http.Request) { |
| fmt.Fprintf(w, strings.Join(srvs, ";")) |
| }) |
| server := &http.Server{Addr: ":0", Handler: nil} |
| listener, _ := net.Listen("tcp", ":0") |
| go server.Serve(listener) |
| |
| port := listener.Addr().(*net.TCPAddr).Port |
| nameServerDommain := fmt.Sprintf("http://127.0.0.1:%d/nameserver/addrs2", port) |
| rlog.Info("Temporary Nameserver", map[string]interface{}{ |
| "domain": nameServerDommain, |
| }) |
| |
| resolver := NewHttpResolver("DEFAULT", nameServerDommain) |
| resolver.Resolve() |
| |
| // check snapshot saved |
| filePath := resolver.getSnapshotFilePath() |
| body := strings.Join(srvs, ";") |
| bs, _ := ioutil.ReadFile(filePath) |
| So(string(bs), ShouldEqual, body) |
| }) |
| } |
| |
| func TestHttpResolverWithGetUnitName(t *testing.T) { |
| Convey("Test UpdateNameServerAddress Save Local Snapshot", t, func() { |
| srvs := []string{ |
| "192.168.100.1", |
| "192.168.100.2", |
| "192.168.100.3", |
| "192.168.100.4", |
| "192.168.100.5", |
| } |
| http.HandleFunc("/nameserver/addrs3-unsh", func(w http.ResponseWriter, r *http.Request) { |
| if r.URL.Query().Get("nofix") == "1" { |
| fmt.Fprintf(w, strings.Join(srvs, ";")) |
| } |
| fmt.Fprintf(w, "") |
| }) |
| server := &http.Server{Addr: ":0", Handler: nil} |
| listener, _ := net.Listen("tcp", ":0") |
| go server.Serve(listener) |
| |
| port := listener.Addr().(*net.TCPAddr).Port |
| nameServerDommain := fmt.Sprintf("http://127.0.0.1:%d/nameserver/addrs3", port) |
| rlog.Info("Temporary Nameserver", map[string]interface{}{ |
| "domain": nameServerDommain, |
| }) |
| |
| resolver := NewHttpResolver("DEFAULT", nameServerDommain) |
| resolver.DomainWithUnit("unsh") |
| resolver.Resolve() |
| |
| // check snapshot saved |
| filePath := resolver.getSnapshotFilePath() |
| body := strings.Join(srvs, ";") |
| bs, _ := ioutil.ReadFile(filePath) |
| So(string(bs), ShouldEqual, body) |
| }) |
| } |
| |
| func TestHttpResolverWithSnapshotFile(t *testing.T) { |
| Convey("Test UpdateNameServerAddress Use Local Snapshot", t, func() { |
| srvs := []string{ |
| "192.168.100.1", |
| "192.168.100.2", |
| "192.168.100.3", |
| "192.168.100.4", |
| "192.168.100.5", |
| } |
| |
| resolver := NewHttpResolver("DEFAULT", "http://127.0.0.1:80/error/nsaddrs") |
| |
| os.Setenv("NAMESRV_ADDR", "") // clear env |
| // setup local snapshot file |
| filePath := resolver.getSnapshotFilePath() |
| body := strings.Join(srvs, ";") |
| _ = ioutil.WriteFile(filePath, []byte(body), 0644) |
| |
| addrs := resolver.Resolve() |
| |
| So(Diff(addrs, srvs), ShouldBeFalse) |
| }) |
| } |
| |
| func TestHttpResolverWithSnapshotFileOnce(t *testing.T) { |
| Convey("Test UpdateNameServerAddress Load Local Snapshot Once", t, func() { |
| srvs := []string{ |
| "192.168.100.1", |
| "192.168.100.2", |
| "192.168.100.3", |
| "192.168.100.4", |
| "192.168.100.5", |
| } |
| |
| resolver := NewHttpResolver("DEFAULT", "http://127.0.0.1:80/error/nsaddrs") |
| |
| os.Setenv("NAMESRV_ADDR", "") // clear env |
| // setup local snapshot file |
| filePath := resolver.getSnapshotFilePath() |
| body := strings.Join(srvs, ";") |
| _ = ioutil.WriteFile(filePath, []byte(body), 0644) |
| // load local snapshot file first time |
| addrs1 := resolver.Resolve() |
| |
| // change the local snapshot file |
| _ = ioutil.WriteFile(filePath, []byte("127.0.0.1;127.0.0.2"), 0644) |
| |
| addrs2 := resolver.Resolve() |
| |
| So(Diff(addrs1, addrs2), ShouldBeTrue) |
| So(Diff(addrs1, srvs), ShouldBeFalse) |
| }) |
| } |