fix(t232): log freight import diagnostics

backend-api/internal/transport/webui/handler_test.go

@@ -10,6 +10,7 @@ import (
 	"net/http/httptest"
 	"net/url"
 	"regexp"
+	"strconv"
 	"strings"
 	"testing"
 	"time"
@@ -1122,7 +1123,10 @@ func TestFreightImportShowsStablePreflightErrorDialog(t *testing.T) {
 	for _, testCase := range testCases {
 		t.Run(testCase.name, func(t *testing.T) {
 			service := &fakeFreightService{fakeService: &fakeService{}, err: testCase.err}
-			router := newTestRouter(t, service)
+			var event string
+			router := newTestRouterWithLogger(t, service, func(value string) {
+				event = value
+			})
 			page := performRequest(t, router, http.MethodGet, "/freight/import", nil, "")
 			if page.Code != http.StatusOK {
 				t.Fatalf("import page status = %d", page.Code)
@@ -1147,10 +1151,44 @@ func TestFreightImportShowsStablePreflightErrorDialog(t *testing.T) {
 				service.createInput.OrderNumber != "ORDER-123" {
 				t.Fatalf("dialog response/input = %d / %s / %+v", response.Code, response.Body, service.createInput)
 			}
+			wantEvent := "freight_import_preflight_failed code=" +
+				testCase.code + " status=" + strconv.Itoa(testCase.status)
+			if event != wantEvent || strings.Contains(event, "private") {
+				t.Fatalf("event = %q, want %q", event, wantEvent)
+			}
 		})
 	}
 }
 
+func TestFreightImportLogsUnknownFailureWithoutRawError(t *testing.T) {
+	service := &fakeFreightService{
+		fakeService: &fakeService{},
+		err:         errors.New("private ERP response with cookie and password"),
+	}
+	var event string
+	router := newTestRouterWithLogger(t, service, func(value string) {
+		event = value
+	})
+	page := performRequest(t, router, http.MethodGet, "/freight/import", nil, "")
+	cookie := csrfCookie(t, page)
+	values := url.Values{
+		"csrf_token":      {cookie.Value},
+		"idempotency_key": {mustToken(t)},
+		"mode":            {"ORDER_NUMBER"},
+		"order_number":    {"ORDER-123"},
+	}
+	request := httptest.NewRequest(http.MethodPost, "/freight/import", strings.NewReader(values.Encode()))
+	request.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+	request.AddCookie(cookie)
+	response := httptest.NewRecorder()
+	router.ServeHTTP(response, request)
+	if response.Code != http.StatusInternalServerError ||
+		event != "freight_import_failed status=500" ||
+		strings.Contains(event, "private") {
+		t.Fatalf("response/event = %d / %q", response.Code, event)
+	}
+}
+
 func TestFreightDetailCreatesProcurementTaskWithCSRF(t *testing.T) {
 	const itemID = "00000000-0000-4000-8000-000000000002"
 	service := &fakeProcurementService{
@@ -1431,13 +1469,21 @@ func (service *fakeService) AuthorizeOrder(
 }
 
 func newTestRouter(t *testing.T, service Service) http.Handler {
+	return newTestRouterWithLogger(t, service, nil)
+}
+
+func newTestRouterWithLogger(
+	t *testing.T,
+	service Service,
+	logEvent EventLogger,
+) http.Handler {
 	t.Helper()
 	gin.SetMode(gin.TestMode)
 	renderer, err := NewRenderer()
 	if err != nil {
 		t.Fatalf("NewRenderer() error = %v", err)
 	}
-	handler, err := NewHandler(service, renderer)
+	handler, err := NewHandler(service, renderer, logEvent)
 	if err != nil {
 		t.Fatalf("NewHandler() error = %v", err)
 	}