Add widget component tests (overseerr..prowlarr)

src/widgets/pangolin/component.test.jsx

@@ -0,0 +1,124 @@
+// @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/pangolin/component", () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  it("defaults fields to 4 entries and renders placeholders while loading", () => {
+    useWidgetAPI.mockReturnValue({ data: undefined, error: undefined });
+
+    const service = { widget: { type: "pangolin" } };
+    const { container } = renderWithProviders(<Component service={service} />, { settings: { hideErrors: false } });
+
+    expect(service.widget.fields).toEqual(["sites", "resources", "targets", "traffic"]);
+    // Container filters by widget.fields, so only the default 4 blocks are visible.
+    expect(container.querySelectorAll(".service-block")).toHaveLength(4);
+    expect(screen.getByText("pangolin.sites")).toBeInTheDocument();
+    expect(screen.getByText("pangolin.resources")).toBeInTheDocument();
+    expect(screen.getByText("pangolin.targets")).toBeInTheDocument();
+    expect(screen.getByText("pangolin.traffic")).toBeInTheDocument();
+    expect(screen.queryByText("pangolin.in")).toBeNull();
+    expect(screen.queryByText("pangolin.out")).toBeNull();
+  });
+
+  it("caps widget.fields at 4 entries", () => {
+    useWidgetAPI.mockReturnValue({ data: undefined, error: undefined });
+
+    const service = { widget: { type: "pangolin", fields: ["sites", "resources", "targets", "traffic", "extra"] } };
+    renderWithProviders(<Component service={service} />, { settings: { hideErrors: false } });
+
+    expect(service.widget.fields).toEqual(["sites", "resources", "targets", "traffic"]);
+  });
+
+  it("renders computed site/resource/target totals and traffic bytes", () => {
+    useWidgetAPI.mockImplementation((_widget, endpoint) => {
+      if (endpoint === "sites") {
+        return {
+          data: {
+            data: {
+              sites: [
+                { online: true, megabytesIn: 1, megabytesOut: 2 },
+                { online: false, megabytesIn: 3, megabytesOut: 4 },
+              ],
+            },
+          },
+          error: undefined,
+        };
+      }
+
+      if (endpoint === "resources") {
+        return {
+          data: {
+            data: {
+              resources: [
+                { targets: [{ healthStatus: "healthy" }, { healthStatus: "unhealthy" }] },
+                { targets: [] }, // counts as healthy
+              ],
+            },
+          },
+          error: undefined,
+        };
+      }
+
+      return { data: undefined, error: undefined };
+    });
+
+    const { container } = renderWithProviders(<Component service={{ widget: { type: "pangolin" } }} />, {
+      settings: { hideErrors: false },
+    });
+
+    // sites: 1 / 2 online
+    expectBlockValue(container, "pangolin.sites", "1 / 2");
+    // resources: both healthy => 2 / 2
+    expectBlockValue(container, "pangolin.resources", "2 / 2");
+    // targets: 1 healthy out of 2 total
+    expectBlockValue(container, "pangolin.targets", "1 / 2");
+
+    // traffic bytes: (1+3) MB in + (2+4) MB out = 10MB => 10_000_000 bytes.
+    expectBlockValue(container, "pangolin.traffic", 10_000_000);
+    expect(findServiceBlockByLabel(container, "pangolin.in")).toBeUndefined();
+    expect(findServiceBlockByLabel(container, "pangolin.out")).toBeUndefined();
+  });
+
+  it("can show in/out traffic when selected via widget.fields", () => {
+    useWidgetAPI.mockImplementation((_widget, endpoint) => {
+      if (endpoint === "sites") {
+        return {
+          data: { data: { sites: [{ online: true, megabytesIn: 1, megabytesOut: 2 }] } },
+          error: undefined,
+        };
+      }
+
+      if (endpoint === "resources") {
+        return { data: { data: { resources: [] } }, error: undefined };
+      }
+
+      return { data: undefined, error: undefined };
+    });
+
+    const service = { widget: { type: "pangolin", fields: ["sites", "resources", "in", "out"] } };
+    const { container } = renderWithProviders(<Component service={service} />, { settings: { hideErrors: false } });
+
+    expect(container.querySelectorAll(".service-block")).toHaveLength(4);
+    expectBlockValue(container, "pangolin.in", 1_000_000);
+    expectBlockValue(container, "pangolin.out", 2_000_000);
+  });
+});