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test: migrate a pseudo_tty test to use assertSnapshot · nodejs/node@17945a2 · GitHub

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Commit 17945a2

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test: migrate a pseudo_tty test to use assertSnapshot
PR-URL: #47803 Reviewed-By: Geoffrey Booth <webadmin@geoffreybooth.com> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
1 parent e53e823 commit 17945a2

7 files changed

Lines changed: 83 additions & 68 deletions

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‎test/common/assertSnapshot.js‎

Lines changed: 13 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -1,14 +1,14 @@
11
'use strict';
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const common = require('.');
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const path = require('node:path');
4+
const test = require('node:test');
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const fs = require('node:fs/promises');
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const assert = require('node:assert/strict');
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7-
8-
const stackFramesRegexp = /(\s+)((.+?)\s+\()?(?:\(?(.+?):(\d+)(?::(\d+))?)\)?(\s+\{)?(\n|$)/g;
8+
const stackFramesRegexp = /(\s+)((.+?)\s+\()?(?:\(?(.+?):(\d+)(?::(\d+))?)\)?(\s+\{)?(\[\d+m)?(\n|$)/g;
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const windowNewlineRegexp = /\r/g;
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11-
function replaceStackTrace(str, replacement = '$1*$7\n') {
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function replaceStackTrace(str, replacement = '$1*$7$8\n') {
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return str.replace(stackFramesRegexp, replacement);
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}
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@@ -50,11 +50,19 @@ async function assertSnapshot(actual, filename = process.argv[1]) {
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* assertSnapshot.transform(assertSnapshot.replaceStackTrace, assertSnapshot.replaceWindowsLineEndings)
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* @param {string} filename
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* @param {function(string): string} [transform]
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* @param {object} [options] - control how the child process is spawned
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* @param {boolean} [options.tty] - whether to spawn the process in a pseudo-tty
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* @returns {Promise<void>}
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*/
55-
async function spawnAndAssert(filename, transform = (x) => x) {
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async function spawnAndAssert(filename, transform = (x) => x, { tty = false } = {}) {
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if (tty && common.isWindows) {
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test({ skip: 'Skipping pseudo-tty tests, as pseudo terminals are not available on Windows.' });
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return;
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}
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const flags = common.parseTestFlags(filename);
57-
const { stdout, stderr } = await common.spawnPromisified(process.execPath, [...flags, filename]);
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const executable = tty ? 'tools/pseudo-tty.py' : process.execPath;
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const args = tty ? [process.execPath, ...flags, filename] : [...flags, filename];
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const { stdout, stderr } = await common.spawnPromisified(executable, args);
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await assertSnapshot(transform(`${stdout}${stderr}`), filename);
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}
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test/pseudo-tty/test_runner_default_reporter.js renamed to test/fixtures/test-runner/output/default_output.js

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -3,7 +3,7 @@ process.env.FORCE_COLOR = '1';
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delete process.env.NODE_DISABLE_COLORS;
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delete process.env.NO_COLOR;
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6-
require('../common');
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require('../../../common');
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const test = require('node:test');
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test('should pass', () => {});

‎test/fixtures/test-runner/output/default_output.snapshot‎

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@@ -0,0 +1,57 @@
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[32m✔ should pass [90m(*ms)[39m[39m
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[31m✖ should fail [90m(*ms)[39m[39m
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Error: fail
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*[39m
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[90m﹣ should skip [90m(*ms)[39m # SKIP[39m
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▶ parent
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[31m✖ should fail [90m(*ms)[39m[39m
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Error: fail
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*[39m
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*[39m
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*[39m
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*[39m
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[31m✖ should pass but parent fail [90m(*ms)[39m[39m
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[32m'test did not finish before its parent and was cancelled'[39m
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[31m▶ [39mparent [90m(*ms)[39m
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[34mℹ tests 6[39m
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[34mℹ suites 0[39m
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[34mℹ pass 1[39m
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[34mℹ fail 3[39m
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[34mℹ cancelled 1[39m
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[34mℹ skipped 1[39m
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[34mℹ todo 0[39m
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[34mℹ duration_ms *[39m
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[31m✖ failing tests:[39m
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[31m✖ should fail [90m(*ms)[39m[39m
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Error: fail
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[31m✖ should fail [90m(*ms)[39m[39m
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Error: fail
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[31m✖ should pass but parent fail [90m(*ms)[39m[39m
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[32m'test did not finish before its parent and was cancelled'[39m

‎test/parallel/test-runner-output.mjs‎

Lines changed: 9 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -10,16 +10,20 @@ function replaceTestDuration(str) {
1010
.replaceAll(/duration_ms [0-9.]+/g, 'duration_ms *');
1111
}
1212

13+
const color = '(\\[\\d+m)';
14+
const stackTraceBasePath = new RegExp(`${color}\\(${process.cwd()}/?${color}(.*)${color}\\)`, 'g');
15+
1316
function replaceSpecDuration(str) {
1417
return str
1518
.replaceAll(/\(0(\r?\n)ms\)/g, '(ZEROms)')
1619
.replaceAll(/[0-9.]+ms/g, '*ms')
17-
.replaceAll(/duration_ms [0-9.]+/g, 'duration_ms *');
20+
.replaceAll(/duration_ms [0-9.]+/g, 'duration_ms *')
21+
.replace(stackTraceBasePath, '$3');
1822
}
1923
const defaultTransform = snapshot
2024
.transform(snapshot.replaceWindowsLineEndings, snapshot.replaceStackTrace, replaceTestDuration);
2125
const specTransform = snapshot
22-
.transform(snapshot.replaceWindowsLineEndings, snapshot.replaceStackTrace, replaceSpecDuration);
26+
.transform(replaceSpecDuration, snapshot.replaceWindowsLineEndings, snapshot.replaceStackTrace);
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2428

2529
const tests = [
@@ -40,10 +44,11 @@ const tests = [
4044
{ name: 'test-runner/output/name_pattern.js' },
4145
{ name: 'test-runner/output/name_pattern_with_only.js' },
4246
{ name: 'test-runner/output/unresolved_promise.js' },
43-
].map(({ name, transform }) => ({
47+
{ name: 'test-runner/output/default_output.js', transform: specTransform, tty: true },
48+
].map(({ name, tty, transform }) => ({
4449
name,
4550
fn: common.mustCall(async () => {
46-
await snapshot.spawnAndAssert(fixtures.path(name), transform ?? defaultTransform);
51+
await snapshot.spawnAndAssert(fixtures.path(name), transform ?? defaultTransform, { tty });
4752
}),
4853
}));
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‎test/pseudo-tty/test_runner_default_reporter.out‎

Lines changed: 0 additions & 57 deletions
This file was deleted.

‎test/pseudo-tty/testcfg.py‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -36,7 +36,7 @@
3636
from functools import reduce
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3838
FLAGS_PATTERN = re.compile(r"//\s+Flags:(.*)")
39-
PTY_HELPER = join(dirname(__file__), 'pty_helper.py')
39+
PTY_HELPER = join(dirname(__file__), '../../tools/pseudo-tty.py')
4040

4141
class TTYTestCase(test.TestCase):
4242

test/pseudo-tty/pty_helper.py renamed to tools/pseudo-tty.py

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1,3 +1,5 @@
1+
#!/usr/bin/env python3
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13
import errno
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import os
35
import pty

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