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/**
* Copyright 2023 Google Inc. All rights reserved.
*
* 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 {execSync} from 'child_process';
import os from 'os';
import path from 'path';
import * as readline from 'readline';
import {Writable, Readable} from 'stream';
import {TestServer} from '@pptr/testserver';
import {isErrorLike} from '../../lib/cjs/launch.js';
import {Cache} from '../../lib/cjs/main.js';
export function createMockedReadlineInterface(
input: string
): readline.Interface {
const readable = Readable.from([input]);
const writable = new Writable({
write(_chunk, _encoding, callback) {
// Suppress the output to keep the test clean
callback();
},
});
return readline.createInterface({
input: readable,
output: writable,
});
}
const startServer = async () => {
const assetsPath = path.join(__dirname, '..', 'cache', 'server');
return await TestServer.create(assetsPath);
};
interface ServerState {
server: TestServer;
}
const state: Partial<ServerState> = {};
export function setupTestServer(): void {
before(async () => {
state.server = await startServer();
});
after(async () => {
await state.server!.stop();
state.server = undefined;
});
}
export function getServerUrl(): string {
return `http://localhost:${state.server!.port}`;
}
export function clearCache(tmpDir: string): void {
try {
new Cache(tmpDir).clear();
} catch (err) {
if (os.platform() === 'win32') {
console.log(execSync('tasklist').toString('utf-8'));
// Sometimes on Windows the folder cannot be removed due to unknown reasons.
// We suppress the error to avoud flakiness.
if (isErrorLike(err) && err.message.includes('EBUSY')) {
return;
}
}
throw err;
}
}
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