discover/elegant_api_test.go

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package discover_test
import (
"net"
"net/http"
"testing"
"time"
"apigo.cc/go/discover"
gohttp "apigo.cc/go/http"
)
type TestResult struct {
Message string `json:"message"`
}
func TestElegantAPI(t *testing.T) {
// 1. 模拟服务
l, _ := net.Listen("tcp", "127.0.0.1:0")
addr := l.Addr().String()
mux := http.NewServeMux()
mux.HandleFunc("/get", func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write([]byte(`{"message":"ok"}`))
})
mux.HandleFunc("/post", func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write([]byte(`{"message":"posted"}`))
})
server := &http.Server{Handler: mux}
go func() { _ = server.Serve(l) }()
defer server.Close()
// 2. 配置并启动 Discover
d := discover.Start("redis://127.0.0.1:6379/15", "api-test", addr, nil)
if d == nil {
t.Skip("redis not available")
}
defer d.Stop()
// 添加外部应用调用配置
d.AddExternalApp("api-test", discover.CallConfig{})
// 等待节点同步
for i := 0; i < 20; i++ {
if nodes := d.GetAppNodes("api-test"); len(nodes) > 0 {
break
}
time.Sleep(100 * time.Millisecond)
}
// 3. 测试调用并解析 (Stateless)
res, err := gohttp.To[TestResult](d.Get("api-test", "/get"))
if err != nil {
t.Errorf("Get failed: %v", err)
}
if res.Message != "ok" {
t.Errorf("unexpected message: %s", res.Message)
}
res2, err := gohttp.To[TestResult](d.Post("api-test", "/post", map[string]string{"foo": "bar"}))
if err != nil {
t.Errorf("Post failed: %v", err)
}
if res2.Message != "posted" {
t.Errorf("unexpected message: %s", res2.Message)
}
// 4. 测试透传调用 (Stateful)
req, _ := http.NewRequest("GET", "http://example.com", nil)
req.Header.Set("X-Request-ID", "req-123")
rawRes3 := d.From(req).Get("api-test", "/get")
res3, err := gohttp.To[TestResult](rawRes3)
if err != nil {
t.Errorf("From(r).Get failed: %v", err)
}
if res3.Message != "ok" {
t.Errorf("unexpected message: %s", res3.Message)
}
// 5. 测试直接获取 Result
rawRes := d.Do("GET", "api-test", "/get", nil)
if rawRes.Error != nil {
t.Errorf("Do failed: %v", rawRes.Error)
}
if rawRes.String() != `{"message":"ok"}` {
t.Errorf("unexpected raw string: %s", rawRes.String())
}
}