node/test/doctool/test-doctool-versions.js

75 lines
2.5 KiB
JavaScript

'use strict';
require('../common');
const assert = require('assert');
const { spawnSync } = require('child_process');
const fs = require('fs');
const path = require('path');
const tmpdir = require('../common/tmpdir');
const util = require('util');
const debuglog = util.debuglog('test');
const versionsTool = path.resolve(__dirname, '../../tools/doc/versions.js');
// At the time of writing these are the minimum expected versions.
// New versions of Node.js do not have to be explicitly added here.
const expected = [
'12.x',
'11.x',
'10.x',
'9.x',
'8.x',
'7.x',
'6.x',
'5.x',
'4.x',
'0.12.x',
'0.10.x',
];
tmpdir.refresh();
const versionsFile = path.join(tmpdir.path, 'versions.json');
debuglog(`${process.execPath} ${versionsTool} ${versionsFile}`);
const opts = { cwd: tmpdir.path, encoding: 'utf8' };
const cp = spawnSync(process.execPath, [ versionsTool, versionsFile ], opts);
debuglog(cp.stderr);
debuglog(cp.stdout);
assert.strictEqual(cp.stdout, '');
assert.strictEqual(cp.signal, null);
assert.strictEqual(cp.status, 0);
const versions = JSON.parse(fs.readFileSync(versionsFile));
debuglog(versions);
// Coherence checks for each returned version.
for (const version of versions) {
const tested = util.inspect(version);
const parts = version.num.split('.');
const expectedLength = parts[0] === '0' ? 3 : 2;
assert.strictEqual(parts.length, expectedLength,
`'num' from ${tested} should be '<major>.x'.`);
assert.strictEqual(parts[parts.length - 1], 'x',
`'num' from ${tested} doesn't end in '.x'.`);
const isEvenRelease = Number.parseInt(parts[expectedLength - 2]) % 2 === 0;
const hasLtsProperty = version.hasOwnProperty('lts');
if (hasLtsProperty) {
// Odd-numbered versions of Node.js are never LTS.
assert.ok(isEvenRelease, `${tested} should not be an 'lts' release.`);
assert.ok(version.lts, `'lts' from ${tested} should 'true'.`);
}
}
// Check that the minimum number of versions were returned.
// Later versions are allowed, but not checked for here (they were checked
// above).
// Also check for the previous semver major -- From master this will be the
// most recent major release.
const thisMajor = Number.parseInt(process.versions.node.split('.')[0]);
const prevMajorString = `${thisMajor - 1}.x`;
if (!expected.includes(prevMajorString)) {
expected.unshift(prevMajorString);
}
for (const version of expected) {
assert.ok(versions.find((x) => x.num === version),
`Did not find entry for '${version}' in ${util.inspect(versions)}`);
}