Split test files

test/context.js

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+import test from 'ava';
+import {red} from 'yoctocolors';
+import nanoSpawn from '../source/index.js';
+import {testString} from './helpers/arguments.js';
+import {assertDurationMs} from './helpers/assert.js';
+import {nodePrint, nodePrintStdout} from './helpers/commands.js';
+
+test('result.command does not quote normal arguments', async t => {
+	const {command} = await nanoSpawn('node', ['--version']);
+	t.is(command, 'node --version');
+});
+
+const testCommandEscaping = async (t, input, expectedCommand) => {
+	const {command, stdout} = await nanoSpawn(...nodePrint(`"${input}"`));
+	t.is(command, `node -p '"${expectedCommand}"'`);
+	t.is(stdout, input);
+};
+
+test('result.command quotes spaces', testCommandEscaping, '. .', '. .');
+test('result.command quotes single quotes', testCommandEscaping, '\'', '\'\\\'\'');
+test('result.command quotes unusual characters', testCommandEscaping, ',', ',');
+test('result.command strips ANSI sequences', testCommandEscaping, red(testString), testString);
+
+test('result.durationMs is set', async t => {
+	const {durationMs} = await nanoSpawn(...nodePrintStdout);
+	assertDurationMs(t, durationMs);
+});
+
+test('error.durationMs is set', async t => {
+	const {durationMs} = await t.throwsAsync(nanoSpawn('node', ['--unknown']));
+	assertDurationMs(t, durationMs);
+});

test/helpers/arguments.js

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+export const testString = 'test';
+export const secondTestString = 'secondTest';
+export const thirdTestString = 'thirdTest';
+export const fourthTestString = 'fourthTest';
+export const testUpperCase = testString.toUpperCase();
+export const testDoubleUpperCase = `${testUpperCase}${testUpperCase}`;
+
+export const multibyteString = '.\u{1F984}.';
+const multibyteUint8Array = new TextEncoder().encode(multibyteString);
+export const multibyteFirstHalf = multibyteUint8Array.slice(0, 3);
+export const multibyteSecondHalf = multibyteUint8Array.slice(3);

test/helpers/assert.js

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+import {nonExistentCommand, nodeHangingCommand, nodeEvalCommandStart} from './commands.js';
+
+export const assertDurationMs = (t, durationMs) => {
+	t.true(Number.isFinite(durationMs));
+	t.true(durationMs > 0);
+};
+
+export const assertNonExistent = (t, {exitCode, signalName, command, message, stderr, cause, durationMs}, commandStart = nonExistentCommand, expectedCommand = commandStart) => {
+	t.is(exitCode, undefined);
+	t.is(signalName, undefined);
+	t.is(command, expectedCommand);
+	t.is(message, `Command failed: ${expectedCommand}`);
+	t.is(stderr, '');
+	t.true(cause.message.includes(commandStart));
+	t.is(cause.code, 'ENOENT');
+	t.is(cause.syscall, `spawn ${commandStart}`);
+	t.is(cause.path, commandStart);
+	assertDurationMs(t, durationMs);
+};
+
+export const assertWindowsNonExistent = (t, {exitCode, signalName, command, message, stderr, cause, durationMs}, expectedCommand = nonExistentCommand) => {
+	t.is(exitCode, 1);
+	t.is(signalName, undefined);
+	t.is(command, expectedCommand);
+	t.is(message, `Command failed with exit code 1: ${expectedCommand}`);
+	t.true(stderr.includes('not recognized as an internal or external command'));
+	t.is(cause, undefined);
+	assertDurationMs(t, durationMs);
+};
+
+export const assertUnixNonExistentShell = (t, {exitCode, signalName, command, message, stderr, cause, durationMs}, expectedCommand = nonExistentCommand) => {
+	t.is(exitCode, 127);
+	t.is(signalName, undefined);
+	t.is(command, expectedCommand);
+	t.is(message, `Command failed with exit code 127: ${expectedCommand}`);
+	t.true(stderr.includes('not found'));
+	t.is(cause, undefined);
+	assertDurationMs(t, durationMs);
+};
+
+export const assertUnixNotFound = (t, {exitCode, signalName, command, message, stderr, cause, durationMs}, expectedCommand = nonExistentCommand) => {
+	t.is(exitCode, 127);
+	t.is(signalName, undefined);
+	t.is(command, expectedCommand);
+	t.is(message, `Command failed with exit code 127: ${expectedCommand}`);
+	t.true(stderr.includes('No such file or directory'));
+	t.is(cause, undefined);
+	assertDurationMs(t, durationMs);
+};
+
+export const assertFail = (t, {exitCode, signalName, command, message, cause, durationMs}, commandStart = nodeEvalCommandStart) => {
+	t.is(exitCode, 2);
+	t.is(signalName, undefined);
+	t.true(command.startsWith(commandStart));
+	t.true(message.startsWith(`Command failed with exit code 2: ${commandStart}`));
+	t.is(cause, undefined);
+	assertDurationMs(t, durationMs);
+};
+
+export const assertSigterm = (t, {exitCode, signalName, command, message, stderr, cause, durationMs}, expectedCommand = nodeHangingCommand) => {
+	t.is(exitCode, undefined);
+	t.is(signalName, 'SIGTERM');
+	t.is(command, expectedCommand);
+	t.is(message, `Command was terminated with SIGTERM: ${expectedCommand}`);
+	t.is(stderr, '');
+	t.is(cause, undefined);
+	assertDurationMs(t, durationMs);
+};
+
+export const assertEarlyError = (t, {exitCode, signalName, command, message, stderr, cause, durationMs}, commandStart = nodeEvalCommandStart) => {
+	t.is(exitCode, undefined);
+	t.is(signalName, undefined);
+	t.true(command.startsWith(commandStart));
+	t.true(message.startsWith(`Command failed: ${commandStart}`));
+	t.is(stderr, '');
+	t.true(cause.message.includes('options.detached'));
+	t.false(cause.message.includes('Command'));
+	assertDurationMs(t, durationMs);
+};
+
+export const assertAbortError = (t, {exitCode, signalName, command, stderr, message, cause, durationMs}, expectedCause, expectedCommand = nodeHangingCommand) => {
+	t.is(exitCode, undefined);
+	t.is(signalName, undefined);
+	t.is(command, expectedCommand);
+	t.is(message, `Command failed: ${expectedCommand}`);
+	t.is(stderr, '');
+	t.is(cause.message, 'The operation was aborted');
+	t.is(cause.cause, expectedCause);
+	assertDurationMs(t, durationMs);
+};
+
+export const assertErrorEvent = (t, {exitCode, signalName, command, message, stderr, cause, durationMs}, expectedCause, commandStart = nodeEvalCommandStart) => {
+	t.is(exitCode, undefined);
+	t.is(signalName, undefined);
+	t.true(command.startsWith(commandStart));
+	t.true(message.startsWith(`Command failed: ${commandStart}`));
+	t.is(stderr, '');
+	t.is(cause, expectedCause);
+	assertDurationMs(t, durationMs);
+};

test/helpers/commands.js

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+import {testString, secondTestString} from './arguments.js';
+
+export const nodeHanging = ['node'];
+export const [nodeHangingCommand] = nodeHanging;
+export const nodePrint = bodyString => ['node', ['-p', bodyString]];
+export const nodeEval = bodyString => ['node', ['-e', bodyString]];
+export const nodeEvalCommandStart = 'node -e';
+export const nodePrintStdout = nodeEval(`console.log("${testString}")`);
+export const nodePrintStderr = nodeEval(`console.error("${testString}")`);
+export const nodePrintBoth = nodeEval(`console.log("${testString}");
+setTimeout(() => {
+	console.error("${secondTestString}");
+}, 0);`);
+export const nodePrintBothFail = nodeEval(`console.log("${testString}");
+setTimeout(() => {
+       console.error("${secondTestString}");
+       process.exit(2);
+}, 0);`);
+export const nodePrintFail = nodeEval(`console.log("${testString}");
+process.exit(2);`);
+export const nodePrintSleep = nodeEval(`setTimeout(() => {
+	console.log("${testString}");
+}, 1e2);`);
+export const nodePrintSleepFail = nodeEval(`setTimeout(() => {
+	console.log("${testString}");
+	process.exit(2);
+}, 1e2);`);
+export const nodePrintArgv0 = nodePrint('process.argv0');
+export const nodePrintNoNewline = output => nodeEval(`process.stdout.write("${output.replaceAll('\n', '\\n').replaceAll('\r', '\\r')}")`);
+export const nodePassThrough = nodeEval('process.stdin.pipe(process.stdout)');
+export const nodePassThroughPrint = nodeEval(`process.stdin.pipe(process.stdout);
+console.log("${testString}");`);
+export const nodePassThroughPrintFail = nodeEval(`process.stdin.once("data", (chunk) => {
+	console.log(chunk.toString());
+	process.exit(2);
+});
+console.log("${testString}");`);
+export const nodeToUpperCase = nodeEval(`process.stdin.on("data", chunk => {
+	console.log(chunk.toString().trim().toUpperCase());
+});`);
+export const nodeToUpperCaseStderr = nodeEval(`process.stdin.on("data", chunk => {
+	console.error(chunk.toString().trim().toUpperCase());
+});`);
+export const nodeToUpperCaseFail = nodeEval(`process.stdin.on("data", chunk => {
+	console.log(chunk.toString().trim().toUpperCase());
+	process.exit(2);
+});`);
+export const nodeDouble = nodeEval(`process.stdin.on("data", chunk => {
+	console.log(chunk.toString().trim() + chunk.toString().trim());
+});`);
+export const nodeDoubleFail = nodeEval(`process.stdin.on("data", chunk => {
+	console.log(chunk.toString().trim() + chunk.toString().trim());
+	process.exit(2);
+});`);
+export const localBinary = ['ava', ['--version']];
+export const localBinaryCommand = localBinary.flat().join(' ');
+export const [localBinaryCommandStart] = localBinary;
+export const nonExistentCommand = 'non-existent-command';

test/helpers/main.js

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+import path from 'node:path';
+import process from 'node:process';
+import {setTimeout} from 'node:timers/promises';
+import {fileURLToPath} from 'node:url';
+import {multibyteFirstHalf, multibyteSecondHalf} from './arguments.js';
+
+export const isLinux = process.platform === 'linux';
+export const isWindows = process.platform === 'win32';
+
+export const FIXTURES_URL = new URL('../fixtures/', import.meta.url);
+export const fixturesPath = fileURLToPath(FIXTURES_URL);
+
+export const nodeDirectory = path.dirname(process.execPath);
+
+export const earlyErrorOptions = {detached: 'true'};
+
+// TODO: replace with Array.fromAsync() after dropping support for Node <22.0.0
+export const arrayFromAsync = async asyncIterable => {
+	const chunks = [];
+	for await (const chunk of asyncIterable) {
+		chunks.push(chunk);
+	}
+
+	return chunks;
+};
+
+export const destroySubprocessStream = async ({nodeChildProcess}, error, streamName) => {
+	const subprocess = await nodeChildProcess;
+	subprocess[streamName].destroy(error);
+};
+
+export const writeMultibyte = async promise => {
+	const {stdin} = await promise.nodeChildProcess;
+	stdin.write(multibyteFirstHalf);
+	await setTimeout(1e2);
+	stdin.end(multibyteSecondHalf);
+};