Chore: homepage tests (#6278)

src/widgets/frigate/component.test.jsx

@@ -0,0 +1,83 @@
+// @vitest-environment jsdom
+
+import { screen } from "@testing-library/react";
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+import { renderWithProviders } from "test-utils/render-with-providers";
+import { findServiceBlockByLabel } from "test-utils/widget-assertions";
+
+const { useWidgetAPI } = vi.hoisted(() => ({ useWidgetAPI: vi.fn() }));
+vi.mock("utils/proxy/use-widget-api", () => ({ default: useWidgetAPI }));
+
+import Component from "./component";
+
+function expectBlockValue(container, label, value) {
+  const block = findServiceBlockByLabel(container, label);
+  expect(block, `missing block for ${label}`).toBeTruthy();
+  expect(block.textContent).toContain(String(value));
+}
+
+describe("widgets/frigate/component", () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  it("renders placeholders while loading", () => {
+    useWidgetAPI
+      .mockReturnValueOnce({ data: undefined, error: undefined }) // stats
+      .mockReturnValueOnce({ data: undefined, error: undefined }); // events
+
+    const { container } = renderWithProviders(
+      <Component service={{ widget: { type: "frigate", url: "http://x" } }} />,
+      {
+        settings: { hideErrors: false },
+      },
+    );
+
+    expect(container.querySelectorAll(".service-block")).toHaveLength(3);
+    expect(screen.getByText("frigate.cameras")).toBeInTheDocument();
+    expect(screen.getByText("frigate.uptime")).toBeInTheDocument();
+    expect(screen.getByText("frigate.version")).toBeInTheDocument();
+    expect(screen.getAllByText("-")).toHaveLength(3);
+  });
+
+  it("renders error UI when either endpoint errors", () => {
+    useWidgetAPI
+      .mockReturnValueOnce({ data: undefined, error: { message: "nope" } })
+      .mockReturnValueOnce({ data: undefined, error: undefined });
+
+    renderWithProviders(<Component service={{ widget: { type: "frigate", url: "http://x" } }} />, {
+      settings: { hideErrors: false },
+    });
+
+    expect(screen.getAllByText(/widget\.api_error/i).length).toBeGreaterThan(0);
+    expect(screen.getByText("nope")).toBeInTheDocument();
+  });
+
+  it("renders stats and recent events when enabled", () => {
+    useWidgetAPI
+      .mockReturnValueOnce({
+        data: { num_cameras: 2, uptime: 3600, version: "1.0.0" },
+        error: undefined,
+      })
+      .mockReturnValueOnce({
+        data: [{ id: "e1", camera: "Cam1", label: "Person", score: 0.5, start_time: 123 }],
+        error: undefined,
+      });
+
+    const { container } = renderWithProviders(
+      <Component service={{ widget: { type: "frigate", url: "http://x", enableRecentEvents: true } }} />,
+      { settings: { hideErrors: false } },
+    );
+
+    expectBlockValue(container, "frigate.cameras", 2);
+    expectBlockValue(container, "frigate.uptime", 3600);
+    expectBlockValue(container, "frigate.version", "1.0.0");
+
+    // The event text is composed of multiple text nodes; match on the element's full textContent.
+    expect(
+      screen.getByText((_, el) => el?.classList?.contains("absolute") && el.textContent?.includes("Cam1 (Person 50)")),
+    ).toBeInTheDocument();
+    expect(screen.getByText("123")).toBeInTheDocument();
+  });
+});