Test: 10 more widget components (A)

src/widgets/backrest/component.test.jsx

@@ -0,0 +1,81 @@
+// @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";
+
+const { useWidgetAPI } = vi.hoisted(() => ({ useWidgetAPI: vi.fn() }));
+
+vi.mock("utils/proxy/use-widget-api", () => ({
+  default: useWidgetAPI,
+}));
+
+import Component from "./component";
+
+describe("widgets/backrest/component", () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  it("defaults widget.fields and filters placeholders down to 4 blocks while loading", () => {
+    useWidgetAPI.mockReturnValue({ data: undefined, error: undefined });
+
+    const service = { widget: { type: "backrest" } };
+    const { container } = renderWithProviders(<Component service={service} />, { settings: { hideErrors: false } });
+
+    expect(service.widget.fields).toEqual([
+      "num_success_latest",
+      "num_failure_latest",
+      "num_failure_30",
+      "bytes_added_30",
+    ]);
+    expect(container.querySelectorAll(".service-block")).toHaveLength(4);
+
+    expect(screen.getByText("backrest.num_success_latest")).toBeInTheDocument();
+    expect(screen.getByText("backrest.num_failure_latest")).toBeInTheDocument();
+    expect(screen.getByText("backrest.num_failure_30")).toBeInTheDocument();
+    expect(screen.getByText("backrest.bytes_added_30")).toBeInTheDocument();
+    expect(screen.queryByText("backrest.num_plans")).toBeNull();
+  });
+
+  it("truncates widget.fields to 4", () => {
+    useWidgetAPI.mockReturnValue({ data: undefined, error: undefined });
+
+    const service = {
+      widget: { type: "backrest", fields: ["a", "b", "c", "d", "e"] },
+    };
+
+    renderWithProviders(<Component service={service} />, { settings: { hideErrors: false } });
+
+    expect(service.widget.fields).toEqual(["a", "b", "c", "d"]);
+  });
+
+  it("renders values and respects field filtering", () => {
+    useWidgetAPI.mockReturnValue({
+      data: {
+        numPlans: 10,
+        numSuccessLatest: 1,
+        numFailureLatest: 2,
+        numSuccess30Days: 3,
+        numFailure30Days: 4,
+        bytesAdded30Days: 500,
+      },
+      error: undefined,
+    });
+
+    const { container } = renderWithProviders(<Component service={{ widget: { type: "backrest" } }} />, {
+      settings: { hideErrors: false },
+    });
+
+    // Default fields exclude num_plans and num_success_30
+    expect(container.querySelectorAll(".service-block")).toHaveLength(4);
+    expect(screen.queryByText("backrest.num_plans")).toBeNull();
+    expect(screen.queryByText("backrest.num_success_30")).toBeNull();
+
+    expect(screen.getByText("1")).toBeInTheDocument();
+    expect(screen.getByText("2")).toBeInTheDocument();
+    expect(screen.getByText("4")).toBeInTheDocument();
+    expect(screen.getByText("500")).toBeInTheDocument();
+  });
+});