Sub2API v1.0 - AI API 网关（二开初始版本，基于上游 Wei-Shaw/sub2api）

backend/internal/handler/channel_monitor_v2_handler_test.go

@@ -0,0 +1,35 @@
+package handler
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/Wei-Shaw/sub2api/internal/service"
+	"github.com/gin-gonic/gin"
+	"github.com/stretchr/testify/require"
+)
+
+func TestChannelMonitorV2QueryListSupportsRepeatedAndCommaValues(t *testing.T) {
+	c, _ := gin.CreateTestContext(nil)
+	c.Request = httptest.NewRequest("GET", "/?platform=openai,grok&platform=anthropic", nil)
+	require.Equal(t, []string{"openai", "grok", "anthropic"}, queryList(c, "platform"))
+}
+
+func TestChannelMonitorV2GroupByQueryDefaultsAndRejectsInvalid(t *testing.T) {
+	groupBy, err := service.ParseChannelMonitorV2GroupBy("")
+	require.NoError(t, err)
+	require.Equal(t, service.ChannelMonitorV2GroupByPlatformGroup, groupBy)
+	_, err = service.ParseChannelMonitorV2GroupBy("invalid")
+	require.Error(t, err)
+}
+
+func TestChannelMonitorV2MatrixHandlerRejectsInvalidGroupBy(t *testing.T) {
+	gin.SetMode(gin.TestMode)
+	recorder := httptest.NewRecorder()
+	c, _ := gin.CreateTestContext(recorder)
+	c.Request = httptest.NewRequest(http.MethodGet, "/channel-monitor-v2/matrix?group_by=invalid", nil)
+	h := NewChannelMonitorV2Handler(service.NewChannelMonitorV2Service(nil))
+	h.Matrix(c)
+	require.Equal(t, http.StatusBadRequest, recorder.Code)
+}