Fix: better handle PeaNUT missing data (#7139)

src/widgets/peanut/component.jsx

@@ -41,17 +41,15 @@ export default function Component({ service }) {
       status = t("peanut.low_battery");
       break;
     default:
-      status = upsStatus;
+      status = typeof upsStatus === "string" && upsStatus ? upsStatus : "-";
   }
 
+  const percent = (value) => (value === undefined || value === null ? "-" : t("common.percent", { value }));
+
   return (
     <Container service={service}>
-      <Block
-        label="peanut.battery_charge"
-        value={t("common.percent", { value: batteryCharge })}
-        highlightValue={batteryCharge}
-      />
-      <Block label="peanut.ups_load" value={t("common.percent", { value: upsLoad })} highlightValue={upsLoad} />
+      <Block label="peanut.battery_charge" value={percent(batteryCharge)} highlightValue={batteryCharge} />
+      <Block label="peanut.ups_load" value={percent(upsLoad)} highlightValue={upsLoad} />
       <Block label="peanut.ups_status" value={status} />
     </Container>
   );

src/widgets/peanut/component.test.jsx

@@ -51,4 +51,15 @@ describe("widgets/peanut/component", () => {
     expect(screen.getByText("peanut.online")).toBeInTheDocument();
     expect(data).toEqual({ "battery.charge": 55, "ups.load": 12, "ups.status": "OL" });
   });
+
+  it("renders dashes when readings are missing", () => {
+    useWidgetAPI.mockReturnValue({
+      data: { "device.model": "OR500LCDRM1Ua", "ups.status": 0 },
+      error: undefined,
+    });
+
+    renderWithProviders(<Component service={{ widget: { type: "peanut" } }} />, { settings: { hideErrors: false } });
+
+    expect(screen.getAllByText("-")).toHaveLength(3);
+  });
 });