fixtures.ts•4.7 kB
/**
* Copyright (c) Microsoft Corporation.
* Modified by Limetest.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import path from 'path';
import { chromium } from 'playwright';
import { Context, navigate } from '@limetest/core';
import type { ContextOptions } from '@limetest/core';
import { test as baseTest, expect as baseExpect } from '@playwright/test';
import { StdioClientTransport } from '@modelcontextprotocol/sdk/client/stdio.js';
import { Client } from '@modelcontextprotocol/sdk/client/index.js';
type Fixtures = {
client: Client;
startClient: (options?: { args?: string[] }) => Promise<Client>;
wsEndpoint: string;
cdpEndpoint: string;
coreContext: Context;
};
export const test = baseTest.extend<Fixtures>({
client: async ({ startClient }, use) => {
await use(await startClient());
},
startClient: async ({ }, use, testInfo) => {
const userDataDir = testInfo.outputPath('user-data-dir');
let client: StdioClientTransport | undefined;
use(async options => {
const args = ['--headless', '--user-data-dir', userDataDir];
if (options?.args)
args.push(...options.args);
const transport = new StdioClientTransport({
command: 'node',
args: [path.join(__dirname, '../packages/mcp/cli.js'), ...args],
});
const client = new Client({ name: 'test', version: '1.0.0' });
await client.connect(transport);
await client.ping();
return client;
});
await client?.close();
},
wsEndpoint: async ({ }, use) => {
const browserServer = await chromium.launchServer();
await use(browserServer.wsEndpoint());
await browserServer.close();
},
cdpEndpoint: async ({ }, use, testInfo) => {
const port = 3200 + (+process.env.TEST_PARALLEL_INDEX!);
const browser = await chromium.launchPersistentContext(testInfo.outputPath('user-data-dir'), {
args: [`--remote-debugging-port=${port}`],
});
await use(`http://localhost:${port}`);
await browser.close();
},
coreContext: async ({}, use, testInfo) => {
const options: ContextOptions = {
userDataDir: testInfo.outputPath(`user-data-dir-core-${testInfo.workerIndex}`),
launchOptions: {
headless: true,
channel: 'chrome',
},
};
const context = new Context(options);
await use(context);
await context.close();
},
});
type Response = Awaited<ReturnType<Client['callTool']>>;
export const expect = baseExpect.extend({
toHaveTextContent(response: Response, content: string | string[]) {
const isNot = this.isNot;
try {
content = Array.isArray(content) ? content : [content];
const texts = (response.content as any).map(c => c.text);
if (isNot)
baseExpect(texts).not.toEqual(content);
else
baseExpect(texts).toEqual(content);
} catch (e) {
return {
pass: isNot,
message: () => e.message,
};
}
return {
pass: !isNot,
message: () => ``,
};
},
toContainTextContent(response: Response, content: string | string[]) {
const isNot = this.isNot;
try {
content = Array.isArray(content) ? content : [content];
const texts = (response.content as any).map(c => c.text);
for (let i = 0; i < texts.length; i++) {
if (isNot)
expect(texts[i]).not.toContain(content[i]);
else
expect(texts[i]).toContain(content[i]);
}
} catch (e) {
return {
pass: isNot,
message: () => e.message,
};
}
return {
pass: !isNot,
message: () => ``,
};
},
});
export async function navigateAndGetSnapshot(coreContext: Context, htmlContent: string): Promise<string> {
const navResult = await navigate(true).handle(coreContext, { url: `data:text/html,${encodeURIComponent(htmlContent)}` });
const content = navResult.content[0];
baseExpect(content.type).toBe('text');
return content.text;
}
export function extractRef(snapshotText: string, regex: RegExp): string {
const match = snapshotText.match(regex);
baseExpect(match, `Ref regex ${regex} did not match in snapshot:\n${snapshotText}`).not.toBeNull();
return match![1];
}