version.js

const t = require('tap')
const { Version } = require('release-please/build/src/version.js')
const { SemverVersioningStrategy } = require('../../lib/release/semver-versioning-strategy')

const commit = {
  type: 'chore',
  breaking: false,
  notes: [],
  references: [],
  scope: '',
  bareMessage: '',
  sha: '',
  message: '',
}

const g = v => ({ ...commit, ...v })

const COMMITS = {
  major: [{ type: 'feat' }, {}, {}, { breaking: true }].map(g),
  minor: [{}, {}, { type: 'feat' }].map(g),
  patch: [{}, { type: 'chore' }, { type: 'fix' }].map(g),
}

const throws = 'THROWS'

const checks = [
  // Normal releases
  ['2.0.0', 'major', false, undefined, '3.0.0'],
  ['2.0.0', 'minor', false, undefined, '2.1.0'],
  ['2.0.0', 'patch', false, undefined, '2.0.1'],
  // premajor -> normal
  ['2.0.0-pre.1', 'major', false, undefined, '2.0.0'],
  ['2.0.0-pre.5', 'minor', false, undefined, '2.0.0'],
  ['2.0.0-pre.4', 'patch', false, undefined, '2.0.0'],
  // preminor -> normal
  ['2.1.0-pre.1', 'major', false, undefined, '3.0.0'],
  ['2.1.0-pre.5', 'minor', false, undefined, '2.1.0'],
  ['2.1.0-pre.4', 'patch', false, undefined, '2.1.0'],
  // prepatch -> normal
  ['2.0.1-pre.1', 'major', false, undefined, '3.0.0'],
  ['2.0.1-pre.5', 'minor', false, undefined, '2.1.0'],
  ['2.0.1-pre.4', 'patch', false, undefined, '2.0.1'],
  // Prereleases
  ['2.0.0', 'major', true, 'pre', '3.0.0-pre.0'],
  ['2.0.0', 'minor', true, 'pre', '2.1.0-pre.0'],
  ['2.0.0', 'patch', true, 'pre', '2.0.1-pre.0'],
  // premajor - prereleases
  ['2.0.0-pre.1', 'major', true, undefined, '2.0.0-pre.2'],
  ['2.0.0-pre.1', 'minor', true, undefined, '2.0.0-pre.2'],
  ['2.0.0-pre.1', 'patch', true, undefined, '2.0.0-pre.2'],
  // preminor - prereleases
  ['2.1.0-pre.1', 'major', true, undefined, '3.0.0-pre.0'],
  ['2.1.0-pre.1', 'minor', true, undefined, '2.1.0-pre.2'],
  ['2.1.0-pre.1', 'patch', true, undefined, '2.1.0-pre.2'],
  // prepatch - prereleases
  ['2.0.1-pre.1', 'major', true, undefined, '3.0.0-pre.0'],
  ['2.0.1-pre.1', 'minor', true, undefined, '2.1.0-pre.0'],
  ['2.0.1-pre.1', 'patch', true, undefined, '2.0.1-pre.2'],
  // different prerelease identifiers
  ['2.0.0-beta.1', 'major', true, undefined, '2.0.0-beta.2'],
  ['2.0.0-alpha.1', 'major', true, undefined, '2.0.0-alpha.2'],
  ['2.0.0-rc.1', 'major', true, undefined, '2.0.0-rc.2'],
  ['2.0.0-0', 'major', true, undefined, '2.0.0-1'],
  // leaves prerelease
  ['2.0.0-beta.1', 'major', false, undefined, '2.0.0'],
  ['2.0.0-alpha.1', 'major', false, undefined, '2.0.0'],
  ['2.0.0-rc.1', 'major', false, undefined, '2.0.0'],
  ['2.0.0-0', 'major', false, undefined, '2.0.0'],
  ['xxxx', 'major', false, undefined, throws],
]

t.test('SemverVersioningStrategy', async t => {
  for (const [version, commits, prerelease, prereleaseType, expected] of checks) {
    const name = [version, commits, prerelease, prereleaseType, expected]
    const id = name.map(v => (typeof v === 'undefined' ? 'undefined' : v)).join(',')
    const instance = new SemverVersioningStrategy({ prerelease, prereleaseType })

    if (expected === throws) {
      t.throws(() => instance.bump(Version.parse(version), COMMITS[commits]), id)
      continue
    }

    const bump = instance.bump(Version.parse(version), COMMITS[commits])

    const determine = instance.determineReleaseType(Version.parse(version), COMMITS[commits])

    t.equal(bump.toString(), expected, id)
    t.equal(determine.bump().toString(), expected, id)
  }
})