test: add widget shared component coverage

src/components/widgets/widget/resources.test.jsx

@@ -0,0 +1,31 @@
+// @vitest-environment jsdom
+
+import { render, screen } from "@testing-library/react";
+import { describe, expect, it } from "vitest";
+
+import Resource from "./resource";
+import Resources from "./resources";
+import WidgetLabel from "./widget_label";
+
+function FakeIcon() {
+  return <svg />;
+}
+
+describe("components/widgets/widget/resources", () => {
+  it("filters children to Resource + WidgetLabel and wraps them in a link", () => {
+    render(
+      <Resources options={{ href: "http://example" }} target="_self" additionalClassNames="x">
+        {[
+          <Resource key="r" icon={FakeIcon} value="v" label="l" />,
+          <WidgetLabel key="w" label="Label" />,
+          <div key="o">Other</div>,
+        ]}
+      </Resources>,
+    );
+
+    expect(screen.getByRole("link").getAttribute("href")).toBe("http://example");
+    expect(screen.getByText("v")).toBeInTheDocument();
+    expect(screen.getByText("Label")).toBeInTheDocument();
+    expect(screen.queryByText("Other")).toBeNull();
+  });
+});