feat: 建立统一检测任务、样本链与发病事件

server-go/internal/service/detection_task_outbox_test.go

@@ -0,0 +1,44 @@
+package service
+
+import (
+	"context"
+	"database/sql/driver"
+	"encoding/json"
+	"testing"
+
+	"github.com/DATA-DOG/go-sqlmock"
+
+	"silk-server-go/internal/model"
+)
+
+func TestDetectionTaskCreateOutboxIsIdempotent(t *testing.T) {
+	o, mock := newOutboxMock(t)
+	handler := NewDetectionTaskOutboxHandler(o.db)
+	payload, _ := json.Marshal(DetectionTaskCreatePayload{
+		SourceKey:    "inspection-inspection-1",
+		SourceType:   "inspection",
+		SourceID:     "inspection-1",
+		InspectionID: "inspection-1",
+		Disease:      "待确认",
+	})
+	event := model.OutboxEvent{
+		EventType: OutboxEventDetectionTaskCreate,
+		Payload:   payload,
+	}
+	args := make([]driver.Value, 0, 20)
+	for i := 0; i < 20; i++ {
+		args = append(args, sqlmock.AnyArg())
+	}
+	mock.ExpectQuery(`INSERT INTO "detection_tasks".*ON CONFLICT \("source_key"\) DO NOTHING`).
+		WithArgs(args...).
+		WillReturnRows(sqlmock.NewRows([]string{"id"}).AddRow("task-1"))
+	if err := handler(context.Background(), event); err != nil {
+		t.Fatalf("first create failed: %v", err)
+	}
+	mock.ExpectQuery(`INSERT INTO "detection_tasks".*ON CONFLICT \("source_key"\) DO NOTHING`).
+		WithArgs(args...).
+		WillReturnRows(sqlmock.NewRows([]string{"id"}))
+	if err := handler(context.Background(), event); err != nil {
+		t.Fatalf("duplicate create failed: %v", err)
+	}
+}