diff --git a/app/utils/opengraph.test.ts b/app/utils/opengraph.test.ts
index 6816dd9cb..6d0b32e41 100644
--- a/app/utils/opengraph.test.ts
+++ b/app/utils/opengraph.test.ts
@@ -1,7 +1,19 @@
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
-import {getDistanceBW2Points, getNearestPoint} from './opengraph';
+import {getDistanceBW2Points, getNearestPoint, fetchOpenGraph, testExports} from './opengraph';
+
+const {fetchRaw, getFavIcon} = testExports;
+
+let mockedFetch: jest.SpyInstance;
+
+beforeEach(() => {
+ mockedFetch = jest.spyOn(global, 'fetch');
+});
+
+afterEach(() => {
+ jest.clearAllMocks();
+});
describe('Utility Functions', () => {
describe('getDistanceBW2Points', () => {
@@ -62,3 +74,121 @@ describe('Utility Functions', () => {
});
});
});
+
+describe('fetchRaw', () => {
+ it('should fetch raw HTML from a URL', async () => {
+ const mockResponse = {
+ ok: true,
+ text: jest.fn().mockResolvedValue(''),
+ };
+ mockedFetch.mockResolvedValue(mockResponse as any);
+
+ const result = await fetchRaw('http://example.com');
+ expect(fetch).toHaveBeenCalledWith('http://example.com', {
+ headers: {
+ 'User-Agent': 'OpenGraph',
+ 'Cache-Control': 'no-cache',
+ Accept: '*/*',
+ Connection: 'keep-alive',
+ },
+ });
+ expect(result).toBe('');
+ });
+
+ it('should return response if not ok', async () => {
+ const mockResponse = {
+ ok: false,
+ };
+ mockedFetch.mockResolvedValue(mockResponse as any);
+
+ const result = await fetchRaw('http://example.com');
+ expect(result).toBe(mockResponse);
+ });
+
+ it('should return error message on fetch failure', async () => {
+ const mockError = new Error('Network error');
+ mockedFetch.mockRejectedValue(mockError);
+
+ const result = await fetchRaw('http://example.com');
+ expect(result).toEqual({message: 'Network error'});
+ });
+});
+
+describe('getFavIcon', () => {
+ it('should return the largest favicon URL', () => {
+ const mockHtml = '';
+ const result = getFavIcon('http://example.com', mockHtml);
+ expect(result).toBe('http://example.com/favicon-32x32.png');
+ });
+
+ it('should return default favicon URL if no icons found', () => {
+ const mockHtml = '';
+ const result = getFavIcon('http://example.com', mockHtml);
+ expect(result).toBe('http://example.com/favicon.ico');
+ });
+
+ it('should handle shortcut icon rel attribute', () => {
+ const mockHtml = '';
+ const result = getFavIcon('http://example.com', mockHtml);
+ expect(result).toBe('http://example.com/favicon.png');
+ });
+
+ it('should handle absolute URLs in href', () => {
+ const mockHtml = '';
+ const result = getFavIcon('http://example.com', mockHtml);
+ expect(result).toBe('https://cdn.example.com/favicon.png');
+ });
+
+ it('should handle icons without sizes attribute', () => {
+ const mockHtml = '';
+ const result = getFavIcon('http://example.com', mockHtml);
+ expect(result).toBe('http://example.com/favicon-32x32.png');
+ });
+});
+
+describe('fetchOpenGraph', () => {
+ it('should fetch OpenGraph data from a URL', async () => {
+ const mockHtml = 'Example';
+ const mockResponse = {
+ ok: true,
+ text: jest.fn().mockResolvedValue(mockHtml),
+ };
+ mockedFetch.mockResolvedValue(mockResponse as any);
+
+ const result = await fetchOpenGraph('http://example.com', true);
+ expect(result).toEqual({
+ link: 'http://example.com',
+ imageURL: 'http://example.com/image.png',
+ favIcon: 'http://example.com/favicon.ico',
+ title: 'OpenGraph Title',
+ });
+ });
+
+ it('should return error if fetchRaw fails', async () => {
+ const mockError = {message: 'Network error'};
+ mockedFetch.mockRejectedValue(mockError);
+
+ const result = await fetchOpenGraph('http://example.com');
+ expect(result).toEqual({
+ link: 'http://example.com',
+ error: new Error('Network error'),
+ });
+ });
+
+ it('should return default title if og:title is not found', async () => {
+ const mockHtml = 'Example';
+ const mockResponse = {
+ ok: true,
+ text: jest.fn().mockResolvedValue(mockHtml),
+ };
+ mockedFetch.mockResolvedValue(mockResponse as any);
+
+ const result = await fetchOpenGraph('http://example.com');
+ expect(result).toEqual({
+ link: 'http://example.com',
+ imageURL: null,
+ favIcon: undefined,
+ title: 'Example',
+ });
+ });
+});
diff --git a/app/utils/opengraph.ts b/app/utils/opengraph.ts
index 19fa1c6e2..bfa20b274 100644
--- a/app/utils/opengraph.ts
+++ b/app/utils/opengraph.ts
@@ -188,3 +188,8 @@ export const fetchOpenGraph = async (url: string, includeFavIcon = false): Promi
};
}
};
+
+export const testExports = {
+ fetchRaw,
+ getFavIcon,
+};