Add test to make sure version that are tested are mentioned in the RE… (

#1276)

* Add test to make sure version that are tested are mentioned in the README

* fix lint

docs/README.md

@@ -13,7 +13,7 @@ Parse and serialize minecraft packets, plus authentication and encryption.
 
  * Supports Minecraft PC version 1.7.10, 1.8.8, 1.9 (15w40b, 1.9, 1.9.1-pre2, 1.9.2, 1.9.4),
   1.10 (16w20a, 1.10-pre1, 1.10, 1.10.1, 1.10.2), 1.11 (16w35a, 1.11, 1.11.2), 1.12 (17w15a, 17w18b, 1.12-pre4, 1.12, 1.12.1, 1.12.2), and 1.13 (17w50a, 1.13, 1.13.1, 1.13.2-pre1, 1.13.2-pre2, 1.13.2), 1.14 (1.14, 1.14.1, 1.14.3, 1.14.4)
-  , 1.15 (1.15, 1.15.1, 1.15.2) and 1.16 (20w13b, 20w14a, 1.16-rc1, 1.16, 1.16.1, 1.16.2, 1.16.3, 1.16.4), 1.17 (21w07a, 1.17, 1.17.1), 1.18 (1.18, 1.18.1 and 1.18.2), 1.19 (1.19, 1.19.1, 1.19.2, 1.19.3, 1.19.4), 1.20 (1.20, 1.20.1, 1.20.2)
+  , 1.15 (1.15, 1.15.1, 1.15.2) and 1.16 (20w13b, 20w14a, 1.16-rc1, 1.16, 1.16.1, 1.16.2, 1.16.3, 1.16.4, 1.16.5), 1.17 (21w07a, 1.17, 1.17.1), 1.18 (1.18, 1.18.1 and 1.18.2), 1.19 (1.19, 1.19.1, 1.19.2, 1.19.3, 1.19.4), 1.20 (1.20, 1.20.1, 1.20.2)
  * Parses all packets and emits events with packet fields as JavaScript
    objects.
  * Send a packet by supplying fields as a JavaScript object.

test/docTest.js

@@ -0,0 +1,16 @@
+/* eslint-env mocha */
+
+const mc = require('../')
+const fs = require('fs')
+const assert = require('assert')
+const path = require('path')
+
+const readmeContent = fs.readFileSync(path.join(__dirname, '/../docs/README.md'), { encoding: 'utf8', flag: 'r' })
+
+for (const supportedVersion of mc.supportedVersions) {
+  describe('doc ' + supportedVersion + 'v', function () {
+    it('mentions the supported version in the readme', () => {
+      assert.ok(readmeContent.includes(supportedVersion), `${supportedVersion} should be mentionned in the README.md but it is not`)
+    })
+  })
+}