feat: add system task runner (#5680)

controller/channel_test_internal_test.go

@@ -1,6 +1,7 @@
 package controller
 
 import (
+	"net/http"
 	"net/http/httptest"
 	"testing"
 
@@ -109,3 +110,21 @@ func TestSelectChannelsForAutomaticTestScheduledSkipsManualDisabled(t *testing.T
 	require.Equal(t, 1, selected[0].Id)
 	require.Equal(t, 2, selected[1].Id)
 }
+
+func TestTestAllChannelsRejectsExistingActiveTask(t *testing.T) {
+	db := setupModelListControllerTestDB(t)
+	require.NoError(t, db.AutoMigrate(&model.SystemTask{}, &model.SystemTaskLock{}))
+
+	existing, err := model.CreateSystemTask(model.SystemTaskTypeChannelTest, nil, nil)
+	require.NoError(t, err)
+
+	recorder := httptest.NewRecorder()
+	ctx, _ := gin.CreateTestContext(recorder)
+	ctx.Request = httptest.NewRequest(http.MethodPost, "/api/channel/test", nil)
+
+	TestAllChannels(ctx)
+
+	require.Equal(t, http.StatusConflict, recorder.Code)
+	require.Contains(t, recorder.Body.String(), existing.TaskID)
+	require.Contains(t, recorder.Body.String(), "已有通道测试任务正在运行或等待中")
+}