Chore: homepage tests (#6278)

src/widgets/evcc/component.test.jsx

@@ -0,0 +1,72 @@
+// @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/evcc/component", () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  it("renders placeholders while loading", () => {
+    useWidgetAPI.mockReturnValue({ data: undefined, error: undefined });
+
+    const { container } = renderWithProviders(<Component service={{ widget: { type: "evcc", url: "http://x" } }} />, {
+      settings: { hideErrors: false },
+    });
+
+    expect(container.querySelectorAll(".service-block")).toHaveLength(4);
+    expect(screen.getByText("evcc.pv_power")).toBeInTheDocument();
+    expect(screen.getByText("evcc.grid_power")).toBeInTheDocument();
+    expect(screen.getByText("evcc.home_power")).toBeInTheDocument();
+    expect(screen.getByText("evcc.charge_power")).toBeInTheDocument();
+    expect(screen.getAllByText("-")).toHaveLength(4);
+  });
+
+  it("renders error UI when widget API errors", () => {
+    useWidgetAPI.mockReturnValue({ data: undefined, error: { message: "nope" } });
+
+    renderWithProviders(<Component service={{ widget: { type: "evcc", url: "http://x" } }} />, {
+      settings: { hideErrors: false },
+    });
+
+    expect(screen.getAllByText(/widget\.api_error/i).length).toBeGreaterThan(0);
+  });
+
+  it("renders computed kilowatt values (including result wrapper, grid fallback, and loadpoint sum)", () => {
+    useWidgetAPI.mockReturnValue({
+      data: {
+        result: {
+          pvPower: 1000,
+          grid: { power: 2000 },
+          homePower: 3000,
+          loadpoints: [{ chargePower: 500 }, { chargePower: 1500 }],
+        },
+      },
+      error: undefined,
+    });
+
+    const { container } = renderWithProviders(<Component service={{ widget: { type: "evcc", url: "http://x" } }} />, {
+      settings: { hideErrors: false },
+    });
+
+    expectBlockValue(container, "evcc.pv_power", "1 evcc.kilowatt");
+    expectBlockValue(container, "evcc.grid_power", "2 evcc.kilowatt");
+    expectBlockValue(container, "evcc.home_power", "3 evcc.kilowatt");
+    expectBlockValue(container, "evcc.charge_power", "2 evcc.kilowatt");
+  });
+});

src/widgets/evcc/widget.test.js

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+import { describe, it } from "vitest";
+
+import { expectWidgetConfigShape } from "test-utils/widget-config";
+
+import widget from "./widget";
+
+describe("evcc widget config", () => {
+  it("exports a valid widget config", () => {
+    expectWidgetConfigShape(widget);
+  });
+});