playwright/tests/mcp/tracing.spec.ts

108 lines
3.4 KiB
TypeScript

/**
* Copyright (c) Microsoft Corporation.
*
* 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 fs from 'fs';
import path from 'path';
import { test, expect } from './fixtures';
test('check that trace is saved with --save-trace', async ({ startClient, server }, testInfo) => {
const outputDir = testInfo.outputPath('output');
const { client } = await startClient({
args: ['--save-trace', `--output-dir=${outputDir}`],
});
expect(await client.callTool({
name: 'browser_navigate',
arguments: { url: server.HELLO_WORLD },
})).toHaveResponse({
code: expect.stringContaining(`page.goto('http://localhost`),
});
const [file] = await fs.promises.readdir(outputDir);
expect(file).toContain('traces');
});
test('check that trace is saved with browser_start_tracing', async ({ startClient, server }, testInfo) => {
const outputDir = testInfo.outputPath('output');
const { client } = await startClient({ args: [`--output-dir=${outputDir}`, '--caps=tracing'] });
expect(await client.callTool({
name: 'browser_start_tracing',
})).toHaveResponse({
result: expect.stringContaining(`Tracing started, saving to ${outputDir}`),
});
expect(await client.callTool({
name: 'browser_navigate',
arguments: { url: server.HELLO_WORLD },
})).toHaveResponse({
code: expect.stringContaining(`page.goto('http://localhost`),
});
expect(await client.callTool({
name: 'browser_stop_tracing',
})).toHaveResponse({
result: expect.stringMatching(/trace-\d+.trace/)
});
const files = await fs.promises.readdir(path.join(outputDir, 'traces'));
expect(files).toEqual([
'resources',
expect.stringMatching(/trace-\d+\.network/),
expect.stringMatching(/trace-\d+\.trace/),
]);
});
test('check that trace is saved with browser_start_tracing (no output dir)', async ({ startClient, server }, testInfo) => {
const outputDir = testInfo.outputPath();
const { client } = await startClient({
args: ['--caps=tracing'],
env: { ...process.env, PW_TMPDIR_FOR_TEST: outputDir },
});
expect(await client.callTool({
name: 'browser_start_tracing',
})).toHaveResponse({
result: expect.stringContaining(`Tracing started, saving to ${outputDir}`),
});
expect(await client.callTool({
name: 'browser_navigate',
arguments: { url: server.HELLO_WORLD },
})).toHaveResponse({
code: expect.stringContaining(`page.goto('http://localhost`),
});
expect(await client.callTool({
name: 'browser_stop_tracing',
})).toHaveResponse({
result: expect.stringMatching(/trace-\d+.trace/)
});
const folders = await fs.promises.readdir(path.join(outputDir, 'playwright-mcp-output'));
expect(folders.length).toBe(1);
expect(folders[0]).toMatch(/\d+/);
const files = await fs.promises.readdir(path.join(outputDir, 'playwright-mcp-output', folders[0], 'traces'));
expect(files).toEqual([
'resources',
expect.stringMatching(/trace-\d+\.network/),
expect.stringMatching(/trace-\d+\.trace/),
]);
});