fix: 等待 Runner facade 就绪

internal/runnerbootstrap/executor_test.go

@@ -0,0 +1,44 @@
+package runnerbootstrap
+
+import (
+	"context"
+	"net/http"
+	"net/http/httptest"
+	"sync/atomic"
+	"testing"
+	"time"
+)
+
+func TestWaitForFacadeRetriesTransientGatewayFailure(t *testing.T) {
+	var requests atomic.Int32
+	server := httptest.NewServer(http.HandlerFunc(func(writer http.ResponseWriter, _ *http.Request) {
+		if requests.Add(1) < 3 {
+			writer.WriteHeader(http.StatusBadGateway)
+			return
+		}
+		writer.WriteHeader(http.StatusNotFound)
+	}))
+	defer server.Close()
+
+	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
+	defer cancel()
+	if err := waitForFacade(ctx, server.URL); err != nil {
+		t.Fatal(err)
+	}
+	if requests.Load() != 3 {
+		t.Fatalf("requests = %d", requests.Load())
+	}
+}
+
+func TestWaitForFacadeStopsWithContext(t *testing.T) {
+	server := httptest.NewServer(http.HandlerFunc(func(writer http.ResponseWriter, _ *http.Request) {
+		writer.WriteHeader(http.StatusServiceUnavailable)
+	}))
+	defer server.Close()
+
+	ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond)
+	defer cancel()
+	if err := waitForFacade(ctx, server.URL); err == nil {
+		t.Fatal("expected readiness timeout")
+	}
+}