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cli.ts
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cli.ts
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import path from 'path';
import { setTimeout } from 'timers/promises';
import { testSuite, expect } from 'manten';
import { createFixture } from 'fs-fixture';
import packageJson from '../../package.json';
import { ptyShell, isWindows } from '../utils/pty-shell/index';
import { expectMatchInOrder } from '../utils/expect-match-in-order.js';
import { tsxPath, type NodeApis } from '../utils/tsx.js';
import { isProcessAlive } from '../utils/is-process-alive.js';
export default testSuite(({ describe }, node: NodeApis) => {
const { tsx } = node;
describe('CLI', ({ describe, test }) => {
describe('argv', async ({ describe, onFinish }) => {
const fixture = await createFixture({
// Unnecessary TS to test syntax
'log-argv.ts': 'console.log(JSON.stringify(process.argv) as string)',
});
onFinish(async () => await fixture.rm());
describe('version', ({ test }) => {
test('shows version', async () => {
const tsxProcess = await tsx(['--version']);
expect(tsxProcess.exitCode).toBe(0);
expect(tsxProcess.stdout).toBe(`tsx v${packageJson.version}\nnode v${node.version}`);
expect(tsxProcess.stderr).toBe('');
});
test('doesn\'t show version with file', async () => {
const tsxProcess = await tsx([
path.join(fixture.path, 'log-argv.ts'),
'--version',
]);
expect(tsxProcess.exitCode).toBe(0);
expect(tsxProcess.stdout).toMatch('"--version"');
expect(tsxProcess.stdout).not.toMatch(packageJson.version);
expect(tsxProcess.stderr).toBe('');
});
});
describe('help', ({ test }) => {
test('shows help', async () => {
const tsxProcess = await tsx(['--help']);
expect(tsxProcess.exitCode).toBe(0);
expect(tsxProcess.stdout).toMatch('Node.js runtime enhanced with esbuild for loading TypeScript & ESM');
expect(tsxProcess.stdout).toMatch('Usage: node [options] [ script.js ] [arguments]');
expect(tsxProcess.stderr).toBe('');
});
test('doesn\'t show help with file', async () => {
const tsxProcess = await tsx([
path.join(fixture.path, 'log-argv.ts'),
'--help',
]);
expect(tsxProcess.exitCode).toBe(0);
expect(tsxProcess.stdout).toMatch('"--help"');
expect(tsxProcess.stdout).not.toMatch('tsx');
expect(tsxProcess.stderr).toBe('');
});
});
});
describe('eval & print', ({ test }) => {
test('TypeScript', async () => {
const tsxProcess = await tsx([
'--eval',
'console.log(require("fs") && module as string)',
]);
expect(tsxProcess.exitCode).toBe(0);
expect(tsxProcess.stdout).toMatch("id: '[eval]'");
expect(tsxProcess.stderr).toBe('');
});
test('--input-type=module is respected', async () => {
const tsxProcess = await tsx([
'--input-type=module',
'--eval',
'console.log(typeof require)',
]);
expect(tsxProcess.exitCode).toBe(0);
expect(tsxProcess.stdout).toBe('undefined');
expect(tsxProcess.stderr).toBe('');
});
test('--print', async () => {
const tsxProcess = await tsx([
'--print',
'require("fs") && module as string',
]);
expect(tsxProcess.exitCode).toBe(0);
expect(tsxProcess.stdout).toMatch("id: '[eval]'");
expect(tsxProcess.stderr).toBe('');
});
});
if (
node.supports.cliTestFlag
// node --test is broken in v20.0.0
// https://github.com/nodejs/node/issues/48467
&& node.version !== '20.0.0'
) {
test('Node.js test runner', async ({ onTestFinish }) => {
const fixture = await createFixture({
'test.ts': `
import { test } from 'node:test';
import assert from 'assert';
test('some passing test', () => {
assert.strictEqual(1, 1 as number);
});
`,
});
onTestFinish(async () => await fixture.rm());
const tsxProcess = await tsx(
[
'--test',
...(
node.supports.testRunnerGlob
? []
: ['test.ts']
),
],
fixture.path,
);
if (node.supports.testRunnerGlob) {
expect(tsxProcess.stdout).toMatch('some passing test\n');
} else {
expect(tsxProcess.stdout).toMatch('# pass 1\n');
}
expect(tsxProcess.exitCode).toBe(0);
}, 10_000);
}
describe('Signals', async ({ describe, test, onFinish }) => {
const signals = ['SIGINT', 'SIGTERM'];
const fixture = await createFixture({
'propagates-signal.js': 'process.exit(process.argv[2])',
'catch-signals.js': `
const signals = ${JSON.stringify(signals)};
for (const name of signals) {
process.on(name, () => {
console.log(name);
setTimeout(() => {
console.log(name, 'HANDLER COMPLETED');
process.exit(200);
}, 200);
});
}
setTimeout(() => {}, 1e5);
console.log('READY');
`,
'keep-alive.js': `
setTimeout(() => {}, 1e5);
console.log('READY');
`,
'infinite-loop.js': `
console.log(process.pid);
while (true) {}
`,
'ignores-signals.js': `
console.log(process.pid);
process.on('SIGINT', () => {
console.log('Refusing SIGINT');
});
process.on('SIGTERM', () => {
console.log('Refusing SIGTERM');
});
setTimeout(() => {}, 1e5);
`,
});
onFinish(async () => await fixture.rm());
test('Propagates signal', async () => {
const exitCode = Math.floor(Math.random() * 100);
const tsxProcess = await tsx([
path.join(fixture.path, 'propagates-signal.js'),
exitCode.toString(),
]);
expect(tsxProcess.exitCode).toBe(exitCode);
}, 10_000);
describe('Relays kill signal', ({ test }) => {
for (const signal of signals) {
test(signal, async ({ onTestFail }) => {
const tsxProcess = tsx([
path.join(fixture.path, 'catch-signals.js'),
]);
tsxProcess.stdout!.once('data', () => {
tsxProcess.kill(signal, {
forceKillAfterTimeout: false,
});
});
const tsxProcessResolved = await tsxProcess;
onTestFail(() => {
console.log(tsxProcessResolved);
});
if (process.platform === 'win32') {
/**
* Windows doesn't support sending signals to processes.
* https://nodejs.org/api/process.html#signal-events
*
* Sending SIGINT, SIGTERM, and SIGKILL will cause the unconditional termination
* of the target process, and afterwards, subprocess will report that the process
* was terminated by signal.
*/
expect(tsxProcessResolved.stdout).toBe('READY');
} else {
expect(tsxProcessResolved.exitCode).toBe(200);
expectMatchInOrder(tsxProcessResolved.stdout, [
'READY\n',
`${signal}\n`,
`${signal} HANDLER COMPLETED`,
]);
}
}, {
timeout: 10_000,
retry: 3,
});
}
});
test('Kills child when unresponsive (infinite loop)', async () => {
const tsxProcess = tsx([
path.join(fixture.path, 'infinite-loop.js'),
]);
const childPid = await new Promise<number>((resolve) => {
tsxProcess.stdout!.once('data', (data) => {
resolve(Number(data.toString()));
});
});
tsxProcess.kill('SIGINT', {
forceKillAfterTimeout: false,
});
const result = await tsxProcess;
/**
* https://nodejs.org/api/process.html#signal-events
* Sending SIGINT, SIGTERM, and SIGKILL will cause the unconditional termination of
* the target process, and afterwards, subprocess will report that the process was
* terminated by signal.
*/
if (process.platform !== 'win32') {
// This is the exit code I get from testing manually with Node
expect(result.exitCode).toBe(130);
}
// Enforce that child process is killed
expect(isProcessAlive(childPid!)).toBe(false);
}, 10_000);
test('Doesn\'t kill child when responsive (ignores signal)', async () => {
const tsxProcess = tsx([
path.join(fixture.path, 'ignores-signals.js'),
]);
const childPid = await new Promise<number>((resolve) => {
tsxProcess.stdout!.once('data', (data) => {
resolve(Number(data.toString()));
});
});
// Send SIGINT to child
tsxProcess.kill('SIGINT', {
forceKillAfterTimeout: false,
});
await setTimeout(500);
if (process.platform === 'win32') {
expect(isProcessAlive(childPid!)).toBe(false);
} else {
expect(isProcessAlive(childPid!)).toBe(true);
process.kill(childPid!, 'SIGKILL');
// Note: SIGKILLing tsx process will leave the child hanging
const result = await tsxProcess;
// This is the exit code I get from testing manually with Node
expect(result.exitCode).toBe(137);
}
}, {
timeout: 10_000,
retry: 3,
});
describe('Ctrl + C', ({ test }) => {
const CtrlC = '\u0003';
test('Exit code', async () => {
const output = await ptyShell(
[
// Windows doesn't support shebangs
`${node.path} ${tsxPath} ${path.join(fixture.path, 'keep-alive.js')}\r`,
stdout => stdout.includes('READY') && CtrlC,
`echo EXIT_CODE: ${isWindows ? '$LastExitCode' : '$?'}\r`,
],
);
expect(output).toMatch(/EXIT_CODE:\s+130/);
}, 10_000);
test('Catchable', async () => {
const output = await ptyShell(
[
// Windows doesn't support shebangs
`${node.path} ${tsxPath} ${path.join(fixture.path, 'catch-signals.js')}\r`,
stdout => stdout.includes('READY') && CtrlC,
`echo EXIT_CODE: ${isWindows ? '$LastExitCode' : '$?'}\r`,
],
9000,
);
expectMatchInOrder(output, [
'READY\r\n',
process.platform === 'win32' ? '' : '^C',
'SIGINT\r\n',
'SIGINT HANDLER COMPLETED\r\n',
/EXIT_CODE:\s+200/,
]);
}, {
timeout: 10_000,
retry: 3,
});
test('Infinite loop', async () => {
const output = await ptyShell(
[
// Windows doesn't support shebangs
`${node.path} ${tsxPath} ${path.join(fixture.path, 'infinite-loop.js')}\r`,
stdout => /^\r?\d+$/.test(stdout) && CtrlC,
`echo EXIT_CODE: ${isWindows ? '$LastExitCode' : '$?'}\r`,
],
9000,
);
expect(output).toMatch(/EXIT_CODE:\s+130/);
}, 10_000);
});
});
test('relays ipc message to child and back', async ({ onTestFinish }) => {
const fixture = await createFixture({
'file.js': `
process.on('message', (received) => {
process.send('goodbye');
process.exit();
});
`,
});
onTestFinish(async () => await fixture.rm());
const tsxProcess = tsx(['file.js'], {
cwd: fixture.path,
stdio: ['ipc'],
reject: false,
});
tsxProcess.send('hello');
const received = await new Promise((resolve) => {
tsxProcess.once('message', resolve);
});
expect(received).toBe('goodbye');
await tsxProcess;
});
});
});