80 lines
2.2 KiB
Go
80 lines
2.2 KiB
Go
package discover_test
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import (
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"fmt"
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"net"
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"net/http"
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"testing"
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"time"
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"apigo.cc/go/discover"
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)
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func TestMultipleDiscoverer(t *testing.T) {
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// 启动两个模拟服务
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l1, err := net.Listen("tcp", "127.0.0.1:0")
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if err != nil {
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t.Fatalf("failed to listen l1: %v", err)
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}
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addr1 := l1.Addr().String()
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mux1 := http.NewServeMux()
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mux1.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { _, _ = w.Write([]byte("OK1")) })
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server1 := &http.Server{Handler: mux1}
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go func() { _ = server1.Serve(l1) }()
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defer server1.Close()
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l2, err := net.Listen("tcp", "127.0.0.1:0")
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if err != nil {
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t.Fatalf("failed to listen l2: %v", err)
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}
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addr2 := l2.Addr().String()
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mux2 := http.NewServeMux()
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mux2.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { _, _ = w.Write([]byte("OK2")) })
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server2 := &http.Server{Handler: mux2}
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go func() { _ = server2.Serve(l2) }()
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defer server2.Close()
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registry := "redis://127.0.0.1:6379/15"
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// 实例 1
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d1 := discover.Start(registry + "?id=1", "app1", addr1, nil)
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if d1 == nil {
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t.Skip("redis not available")
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}
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defer d1.Stop()
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// 实例 2
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d2 := discover.Start(registry + "?id=2", "app2", addr2, nil)
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if d2 == nil {
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t.Skip("redis not available")
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}
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defer d2.Stop()
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// 实例 1 发现并调用自己
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d1.AddExternalApp("app1", discover.CallConfig{})
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time.Sleep(200 * time.Millisecond) // 等待同步
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c1 := d1.NewCaller(nil, nil)
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res1 := c1.Get("app1", "/")
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if res1.Error != nil || res1.String() != "OK1" {
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t.Errorf("d1 call app1 failed: %v, %s", res1.Error, res1.String())
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}
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// 实例 2 发现并调用 实例 1
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d2.AddExternalApp("app1", discover.CallConfig{})
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time.Sleep(200 * time.Millisecond) // 等待同步
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c2 := d2.NewCaller(nil, nil)
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res2 := c2.Get("app1", "/")
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if res2.Error != nil || res2.String() != "OK1" {
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t.Errorf("d2 call app1 failed: %v, %s", res2.Error, res2.String())
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}
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// 验证:d1 也可以调用 app2,只要正确配置
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d1.AddExternalApp("app2", discover.CallConfig{})
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time.Sleep(200 * time.Millisecond) // 等待同步
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res3 := c1.Get("app2", "/")
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if res3.Error != nil || res3.String() != "OK2" {
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t.Errorf("d1 call app2 failed: %v, %s", res3.Error, res3.String())
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}
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fmt.Println("Multiple Discoverer instances verified")
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} |