Add [ArchLinux] package version support (#3374)

services/archlinux/archlinux.service.js

@@ -0,0 +1,48 @@
+'use strict'
+
+const Joi = require('joi')
+const { renderVersionBadge } = require('../version')
+const { BaseJsonService } = require('..')
+
+const schema = Joi.object({
+  pkgver: Joi.string().required(),
+}).required()
+
+module.exports = class ArchLinux extends BaseJsonService {
+  static get category() {
+    return 'version'
+  }
+
+  static get route() {
+    return {
+      base: 'archlinux/v',
+      pattern: ':repository/:architecture/:packageName',
+    }
+  }
+
+  static get examples() {
+    return [
+      {
+        title: 'Arch Linux package',
+        namedParams: {
+          architecture: 'x86_64',
+          repository: 'core',
+          packageName: 'pacman',
+        },
+        staticPreview: renderVersionBadge({ version: '5.1.3' }),
+      },
+    ]
+  }
+
+  static get defaultBadgeData() {
+    return { label: 'arch linux' }
+  }
+
+  async handle({ repository, architecture, packageName }) {
+    const data = await this._requestJson({
+      schema,
+      url: `https://www.archlinux.org/packages/${repository}/${architecture}/${packageName}/json/`,
+    })
+    return renderVersionBadge({ version: data.pkgver })
+  }
+}

services/archlinux/archlinux.tester.js

@@ -0,0 +1,38 @@
+'use strict'
+
+const {
+  isVPlusDottedVersionNClausesWithOptionalSuffix,
+} = require('../test-validators')
+const t = (module.exports = require('../tester').createServiceTester())
+
+t.create('Arch Linux package (valid)')
+  .get('/core/x86_64/pacman.json')
+  .expectBadge({
+    label: 'arch linux',
+    message: isVPlusDottedVersionNClausesWithOptionalSuffix,
+  })
+
+t.create('Arch Linux package (valid, mocked response)')
+  .get('/core/x86_64/pacman.json')
+  .intercept(nock =>
+    nock('https://www.archlinux.org')
+      .get('/packages/core/x86_64/pacman/json/')
+      .reply(200, {
+        pkgname: 'pacman',
+        pkgver: '5.1.3',
+        pkgrel: '1',
+      })
+  )
+  .expectBadge({ label: 'arch linux', message: 'v5.1.3' })
+
+t.create('Arch Linux package (repository not found)')
+  .get('/not-a-repository/x86_64/pacman.json')
+  .expectBadge({ label: 'arch linux', message: 'not found' })
+
+t.create('Arch Linux package (architecture not found)')
+  .get('/core/not-an-architecture/pacman.json')
+  .expectBadge({ label: 'arch linux', message: 'not found' })
+
+t.create('Arch Linux package (not found)')
+  .get('/core/x86_64/not-a-package.json')
+  .expectBadge({ label: 'arch linux', message: 'not found' })