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

backend/internal/service/channel_monitor_probe_retirement_test.go

@@ -0,0 +1,63 @@
+//go:build unit
+
+package service
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+type channelMonitorRuntimeStub struct {
+	rt ChannelMonitorRuntime
+}
+
+func (s channelMonitorRuntimeStub) GetChannelMonitorRuntime(context.Context) ChannelMonitorRuntime {
+	return s.rt
+}
+
+func TestRunCheck_ModeV2NeverProbes(t *testing.T) {
+	svc := NewChannelMonitorService(nil, nil)
+	svc.SetRuntimeReader(channelMonitorRuntimeStub{rt: ChannelMonitorRuntime{
+		Enabled: true,
+		Mode:    ChannelMonitorModeV2,
+	}})
+
+	results, err := svc.RunCheck(context.Background(), 1)
+	require.ErrorIs(t, err, ErrChannelMonitorActiveProbesRetired)
+	require.Nil(t, results)
+}
+
+func TestRunCheck_DisabledReturnsDisabled(t *testing.T) {
+	svc := NewChannelMonitorService(nil, nil)
+	svc.SetRuntimeReader(channelMonitorRuntimeStub{rt: ChannelMonitorRuntime{
+		Enabled: false,
+		Mode:    ChannelMonitorModeV1,
+	}})
+
+	_, err := svc.RunCheck(context.Background(), 1)
+	require.ErrorIs(t, err, ErrChannelMonitorDisabled)
+}
+
+func TestRunCheck_NilRuntimeReaderFailsClosedAsV2(t *testing.T) {
+	svc := NewChannelMonitorService(nil, nil)
+	// No SetRuntimeReader → probeRuntime defaults to mode=v2 (retired).
+	_, err := svc.RunCheck(context.Background(), 1)
+	require.ErrorIs(t, err, ErrChannelMonitorActiveProbesRetired)
+}
+
+func TestNormalizeChannelMonitorMode(t *testing.T) {
+	require.Equal(t, ChannelMonitorModeV1, normalizeChannelMonitorMode(""))
+	require.Equal(t, ChannelMonitorModeV1, normalizeChannelMonitorMode("v1"))
+	require.Equal(t, ChannelMonitorModeV2, normalizeChannelMonitorMode("v2"))
+	require.Equal(t, ChannelMonitorModeV1, normalizeChannelMonitorMode("invalid"))
+	require.Equal(t, ChannelMonitorModeV1, normalizeChannelMonitorMode(" V1 "))
+}
+
+func TestChannelMonitorRuntimeActiveProbesAllowed(t *testing.T) {
+	require.False(t, (ChannelMonitorRuntime{Enabled: false, Mode: ChannelMonitorModeV1}).ActiveProbesAllowed())
+	require.True(t, (ChannelMonitorRuntime{Enabled: true, Mode: ChannelMonitorModeV1}).ActiveProbesAllowed())
+	require.False(t, (ChannelMonitorRuntime{Enabled: true, Mode: ChannelMonitorModeV2}).ActiveProbesAllowed())
+	require.True(t, (ChannelMonitorRuntime{Enabled: true, Mode: ChannelMonitorModeV2}).PassiveAggregationAllowed())
+}