chore: 并入 iotlcm-upstream-chan 历史到 upstream-chan/（原提交 1e74497）

upstream-chan/internal/logic/upstreamimpl/lanshang_token_provider_test.go

@@ -0,0 +1,55 @@
+package upstreamimpl
+
+import (
+	"context"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+)
+
+func TestLanShangTokenProviderFetch(t *testing.T) {
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/get_token" {
+			t.Fatalf("path = %q", r.URL.Path)
+		}
+		if got := r.URL.Query().Get("sub_account"); got != "\u66fc\u76db\u7269\u8054\u7f51" {
+			t.Fatalf("sub_account = %q", got)
+		}
+		if got := r.URL.Query().Get("secret"); got != "Qw@0371252" {
+			t.Fatalf("secret = %q", got)
+		}
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{"token":"abc123","expire_in":120}`))
+	}))
+	defer server.Close()
+
+	provider := NewLanShangTokenProvider(LanShangTokenConfig{
+		BaseURL: server.URL, Path: "/get_token", SubAccount: "\u66fc\u76db\u7269\u8054\u7f51",
+		Secret: "Qw@0371252", Timeout: time.Second,
+	})
+	token, err := provider.Fetch(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if token.Value != "abc123" {
+		t.Fatalf("token = %q", token.Value)
+	}
+	if token.ExpiresAt.Before(time.Now().Add(100 * time.Second)) {
+		t.Fatalf("expiry too short: %s", token.ExpiresAt)
+	}
+}
+
+func TestLanShangTokenProviderRejectsEmptyToken(t *testing.T) {
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		_, _ = w.Write([]byte(`{"expire_in":120}`))
+	}))
+	defer server.Close()
+
+	provider := NewLanShangTokenProvider(LanShangTokenConfig{
+		BaseURL: server.URL, SubAccount: "a", Secret: "b", Timeout: time.Second,
+	})
+	if _, err := provider.Fetch(context.Background()); err == nil {
+		t.Fatal("expected empty token error")
+	}
+}