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

upstream-chan/internal/logic/upstreamimpl/recharge/client_test.go

@@ -0,0 +1,33 @@
+package recharge
+
+import (
+	"context"
+	"errors"
+	"testing"
+	"time"
+)
+
+func TestRequestGateHonorsCancellation(t *testing.T) {
+	gate := &requestGate{}
+	if err := gate.wait(context.Background()); err != nil {
+		t.Fatalf("first wait failed: %v", err)
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Millisecond)
+	defer cancel()
+	if err := gate.wait(ctx); !errors.Is(err, context.DeadlineExceeded) {
+		t.Fatalf("wait error = %v, want deadline exceeded", err)
+	}
+}
+
+func TestClientSharesGatePerAccountAndEndpoint(t *testing.T) {
+	first := NewClient(Config{BaseURL: "http://example.com", PwdKey: "account"})
+	second := NewClient(Config{BaseURL: "http://example.com", PwdKey: "account"})
+
+	if first.requestGate("/findCard") != second.requestGate("/findCard") {
+		t.Fatal("same account and endpoint must share the rate limiter")
+	}
+	if first.requestGate("/findCard") == first.requestGate("/changeState") {
+		t.Fatal("different endpoints must not share the rate limiter")
+	}
+}