feat: rainyun http client — adapter pattern with auth injection

internal/provider/rainyun/client_test.go

@@ -0,0 +1,59 @@
+package rainyun
+
+import (
+	"context"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+func TestClientAuthHeader(t *testing.T) {
+	var gotKey string
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		gotKey = r.Header.Get("X-Api-Key")
+		w.Header().Set("Content-Type", "application/json")
+		w.Write([]byte(`{"code":0,"data":{"id":1,"name":"test"}}`))
+	}))
+	defer srv.Close()
+
+	c := newClient(srv.URL, "sk-test")
+	var result struct {
+		Code int `json:"code"`
+		Data struct {
+			ID   int    `json:"id"`
+			Name string `json:"name"`
+		} `json:"data"`
+	}
+	if err := c.get(context.Background(), "/test", &result); err != nil {
+		t.Fatalf("get() error: %v", err)
+	}
+	if gotKey != "sk-test" {
+		t.Errorf("X-Api-Key = %q, want %q", gotKey, "sk-test")
+	}
+	if result.Data.Name != "test" {
+		t.Errorf("Data.Name = %q, want %q", result.Data.Name, "test")
+	}
+}
+
+func TestClientAPIError(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(404)
+		w.Header().Set("Content-Type", "application/json")
+		w.Write([]byte(`{"code":1002,"msg":"not found"}`))
+	}))
+	defer srv.Close()
+
+	c := newClient(srv.URL, "sk-test")
+	var result any
+	err := c.get(context.Background(), "/error", &result)
+	if err == nil {
+		t.Fatal("expected error for 404")
+	}
+	apiErr, ok := err.(*APIError)
+	if !ok {
+		t.Fatalf("expected *APIError, got %T", err)
+	}
+	if apiErr.StatusCode != 404 {
+		t.Errorf("error code = %d, want 404", apiErr.StatusCode)
+	}
+}