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test.js
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test.js
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import test from 'ava';
import semver from 'semver';
import semverRegex from './index.js';
const validStrings = [
'0.0.0',
'0.10.0',
'v1.0.0',
'0.0.0-foo',
'0.0.0-foo-bar-baz',
'1.2.3-4',
'2.7.2+asdf',
'1.2.3-a.b.c.10.d.5',
'2.7.2-foo+bar',
'1.2.3-alpha.10.beta',
'1.2.3-alpha.10.beta+build.unicorn.rainbow',
'99999.99999.99999',
// Pulled from https://regex101.com/r/vkijKf/1/
'0.0.4',
'1.2.3',
'10.20.30',
'1.1.2-prerelease+meta',
'1.1.2+meta',
'1.1.2+meta-valid',
'1.0.0-alpha',
'1.0.0-beta',
'1.0.0-alpha.beta',
'1.0.0-alpha.beta.1',
'1.0.0-alpha.1',
'1.0.0-alpha0.valid',
'1.0.0-alpha.va1id',
'1.0.0-alpha.0valid',
'1.0.0-alpha-a.b-c-somethinglong+build.1-aef.1-its-okay',
'1.0.0-rc.1+build.1',
'2.0.0-rc.1+build.123',
'1.2.3-beta',
'10.2.3-DEV-SNAPSHOT',
'1.2.3-SNAPSHOT-123',
'1.0.0',
'2.0.0',
'1.1.7',
'2.0.0+build.1848',
'2.0.1-alpha.1227',
'1.0.0-alpha+beta',
'1.2.3----RC-SNAPSHOT.12.9.1--.12+788',
'1.2.3----R-S.12.9.1--.12+meta',
'1.2.3----RC-SNAPSHOT.12.9.1--.12',
'1.0.0+0.build.1-rc.10000aaa-kk-0.1',
// '99999999999999999999999.999999999999999999.99999999999999999', // Too long
'1.0.0-0A.is.legal',
];
const invalidStrings = [
'1',
'1.2',
'1.2.3-0123',
'1.2.3-0123.0123',
'1.1.2+.123',
'+invalid',
'-invalid',
'-invalid+invalid',
'-invalid.01',
'alpha',
'alpha.beta',
'alpha.beta.1',
'alpha.1',
'alpha+beta',
'alpha_beta',
'alpha.',
'alpha..',
'beta',
'1.0.0-alpha_beta',
'-alpha.',
'1.0.0-alpha..',
'1.0.0-alpha..1',
'1.0.0-alpha...1',
'1.0.0-alpha....1',
'1.0.0-alpha.....1',
'1.0.0-alpha......1',
'1.0.0-alpha.......1',
'01.1.1',
'1.01.1',
'1.1.01',
'1.2',
'1.2.3.DEV',
'1.2-SNAPSHOT',
'1.2.31.2.3----RC-SNAPSHOT.12.09.1--..12+788',
'1.2-RC-SNAPSHOT',
'-1.0.3-gamma+b7718',
'+justmeta',
'9.8.7+meta+meta',
'9.8.7-whatever+meta+meta',
'99999999999999999999999.999999999999999999.99999999999999999----RC-SNAPSHOT.12.09.1--------------------------------..12',
'1.0.0-beta@beta',
];
test('matches semver versions on test', t => {
for (const fixture of validStrings) {
t.regex(fixture, semverRegex());
t.true(semver.valid(fixture) !== null);
if (!fixture.startsWith('v')) { // Should we trim v prefix?
t.deepEqual(fixture.match(semverRegex()), [fixture]);
}
}
t.notRegex('0.88', semverRegex());
t.notRegex('1.0.08', semverRegex());
t.notRegex('1.08.0', semverRegex());
t.notRegex('01.8.0', semverRegex());
});
test('returns semver on match', t => {
t.deepEqual('0.0.0'.match(semverRegex()), ['0.0.0']);
t.deepEqual('foo 0.0.0 bar 0.1.1'.match(semverRegex()), ['0.0.0', '0.1.1']);
t.deepEqual('1.2.3-alpha.10.beta'.match(semverRegex()), ['1.2.3-alpha.10.beta']);
t.deepEqual('0.0.0-foo-bar alpha.beta.1 1.2.31.2.3----RC-SNAPSHOT.12.09.1--..12+788 1.0.0-alpha+beta 1.2.3----RC-SNAPSHOT.12.9.1--.12+788 1.2 1.2.3-4'.match(semverRegex()), ['0.0.0-foo-bar', '1.0.0-alpha+beta', '1.2.3----RC-SNAPSHOT.12.9.1--.12+788', '1.2.3-4']);
});
test('#7, does not return tag prefix', t => {
t.deepEqual('v0.0.0'.match(semverRegex()), ['0.0.0']);
});
test('#14, does not match sub-strings of longer semver-similar strings, respect semver@2.0.0 clause 9', t => {
for (const string of invalidStrings) {
t.notRegex(string, semverRegex());
t.true(semver.valid(string) === null);
}
});
test('#18, allow 0 as numeric identifier', t => {
for (const string of [
'0.2.3-alpha.10.beta+build.unicorn.rainbow',
'1.0.3-alpha.10.beta+build.unicorn.rainbow',
'1.2.0-alpha.10.beta+build.unicorn.rainbow',
'1.2.3-0.10.beta+build.unicorn.rainbow',
'1.2.3-alpha.0.beta+build.unicorn.rainbow',
'1.2.3-alpha.10.0+build.unicorn.rainbow',
]) {
t.regex(string, semverRegex());
t.true(semver.valid(string) !== null);
}
});
// If tests take longer than a second, it's stuck on this and we have catatrophic backtracking.
test('invalid version does not cause catatrophic backtracking', t => {
t.regex(
'v1.1.3-0aa.aa.aa.aa.aa.aa.aa.aa.aa.aa.aa.aa.aa.aa.aa.aa.aa.aa.aa.aa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa$',
semverRegex(),
);
const postfix = '.aa.aa.aa.aa.aa.aa.aa.aa.aa.aa.aa.aa.aa.aa.aa.aa.aa.aa.aa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'.repeat(99_999);
t.regex(
`v1.1.3-0aa${postfix}$`,
semverRegex(),
);
for (let index = 1; index <= 50_000; index++) {
const start = Date.now();
const fixture = `0.0.0-0${'.-------'.repeat(index)}@`;
semverRegex().test(fixture);
const difference = Date.now() - start;
t.true(difference < 20, `Execution time: ${difference}`);
}
for (let index = 1; index <= 20; index++) {
const start = Date.now();
const fixture = `0.0.1-${'-.--'.repeat(index)} `;
semverRegex().test(fixture);
const difference = Date.now() - start;
t.true(difference < 20, `Execution time: ${difference}`);
}
for (let index = 1; index <= 30; index++) {
// Attack string generated by https://devina.io/redos-checker
const start = Date.now();
const fixtures = [
'0.0.1-i' + '--i-'.repeat(index) + '\u0000',
'0' + ' 0.1.0-i0'.repeat(index) + '.1.1+1' + '1'.repeat(index) + 'A',
'1.0.1--' + '-'.repeat(index) + '\u0000',
'g' + ' 0.0.1-i+'.repeat(index) + 'a' + 'v0'.repeat(index) + '\u0000',
];
for (const fixture of fixtures) {
semverRegex().test(fixture);
}
const difference = Date.now() - start;
t.true(difference < 20, `Execution time: ${difference}`);
}
for (let index = 1; index <= 100; index++) {
const start = Date.now();
const shuffle = array => array.sort(() => Math.random() - 0.5);
// Adapted from https://gist.github.com/6174/6062387
const randomString = (() => {
const gen = (min, max) => max++ && Array.from({length: max - min}).map((s, i) => String.fromCodePoint(min + i));
const sets = {
num: gen(48, 57),
alphaLower: gen(97, 122),
alphaUpper: gen(65, 90),
special: [...'~!@#$%^&*()_+-=[]{}|;:\'",./<>?'],
};
function * iter(length, set) {
if (set.length === 0) {
set = Object.values(sets).flat();
}
for (let index = 0; index < length; index++) {
yield set[Math.trunc(Math.random() * set.length)];
}
}
return Object.assign(((length, ...set) => [...iter(length, set.flat())].join('')), sets);
})();
const fuzz = Array.from({length: 100}).map(() => randomString(100 * Math.random(), randomString.alphaUpper, randomString.special, randomString.alphaLower, randomString.num));
const fixture = shuffle(Array.from({length: index}).map(() => [validStrings, invalidStrings, fuzz]).flat(2)).join(' ');
semverRegex().test(fixture);
const difference = Date.now() - start;
t.true(difference < 50, `Execution time: ${difference}`);
}
for (let index = 1; index <= 30; index++) {
const start = Date.now();
const fixture = `0.0.1--${'--'.repeat(index)}\u0000`;
semverRegex().test(fixture);
const difference = Date.now() - start;
t.true(difference < 50, `Execution time: ${difference}`);
}
});