swagger: add test to increase package coverage

swagger/handler_test.go

@@ -0,0 +1,25 @@
+package swagger
+
+import (
+	"errors"
+	"net/http"
+	"testing"
+)
+
+func TestHandlerToJSONEndpoint(t *testing.T) {
+	errResp := NewErrorResponse(errors.New("something went wrong")).WithStatus(http.StatusGone)
+	handler := Handler(func(r *http.Request) GizmoJSONResponse {
+		return errResp
+	})
+	req, _ := http.NewRequest("GET", "/something", nil)
+	code, data, err := HandlerToJSONEndpoint(handler)(req)
+	if code != http.StatusGone {
+		t.Errorf("wrong status code returned, want %d, got %d", http.StatusGone, code)
+	}
+	if data != nil {
+		t.Errorf("unexpected non-nil data: %s", data)
+	}
+	if err != errResp {
+		t.Errorf("wrong error returned\nwant %#v\ngot  %#v", errResp, err)
+	}
+}