Prepare for repo merge

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

test/unit-tests/hooks/useProfileInfo-test.tsx

@@ -0,0 +1,110 @@
+/*
+Copyright 2024 New Vector Ltd.
+Copyright 2022 The Matrix.org Foundation C.I.C.
+
+SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
+Please see LICENSE files in the repository root for full details.
+*/
+
+import { waitFor } from "jest-matrix-react";
+import { renderHook, act } from "@testing-library/react-hooks/dom";
+import { MatrixClient } from "matrix-js-sdk/src/matrix";
+
+import { useProfileInfo } from "../../src/hooks/useProfileInfo";
+import { MatrixClientPeg } from "../../src/MatrixClientPeg";
+import { stubClient } from "../test-utils/test-utils";
+
+function render() {
+    return renderHook(() => useProfileInfo());
+}
+
+describe("useProfileInfo", () => {
+    let cli: MatrixClient;
+
+    beforeEach(() => {
+        stubClient();
+        cli = MatrixClientPeg.safeGet();
+        cli.getProfileInfo = (query) => {
+            return Promise.resolve({
+                avatar_url: undefined,
+                displayname: query,
+            });
+        };
+    });
+
+    it("should display user profile when searching", async () => {
+        const query = "@user:home.server";
+
+        const { result } = render();
+
+        act(() => {
+            result.current.search({ query });
+        });
+
+        await waitFor(() => expect(result.current.ready).toBe(true));
+
+        expect(result.current.profile?.display_name).toBe(query);
+    });
+
+    it("should work with empty queries", async () => {
+        const query = "";
+
+        const { result } = render();
+
+        act(() => {
+            result.current.search({ query });
+        });
+
+        await waitFor(() => expect(result.current.ready).toBe(true));
+
+        expect(result.current.profile).toBeNull();
+    });
+
+    it("should treat invalid mxids as empty queries", async () => {
+        const queries = ["@user", "user@home.server"];
+
+        for (const query of queries) {
+            const { result } = render();
+
+            act(() => {
+                result.current.search({ query });
+            });
+
+            await waitFor(() => expect(result.current.ready).toBe(true));
+
+            expect(result.current.profile).toBeNull();
+        }
+    });
+
+    it("should recover from a server exception", async () => {
+        cli.getProfileInfo = () => {
+            throw new Error("Oops");
+        };
+        const query = "@user:home.server";
+
+        const { result } = render();
+
+        act(() => {
+            result.current.search({ query });
+        });
+
+        await waitFor(() => expect(result.current.ready).toBe(true));
+
+        expect(result.current.profile).toBeNull();
+    });
+
+    it("should be able to handle an empty result", async () => {
+        cli.getProfileInfo = () => null as unknown as Promise<{}>;
+        const query = "@user:home.server";
+
+        const { result } = render();
+
+        act(() => {
+            result.current.search({ query });
+        });
+
+        await waitFor(() => expect(result.current.ready).toBe(true));
+
+        expect(result.current.profile?.display_name).toBeUndefined();
+    });
+});