add a new test for unused versions

Author: mansona

.gitignore

@@ -10,3 +10,5 @@ Thumbs.db
 *.tgz
 *.tar.gz
 *.log
+duplicate-files.txt
+unused-folders.txt

test/unused-versions.js

@@ -0,0 +1,79 @@
+const walkSync = require('walk-sync');
+const { readFileSync, writeFileSync, existsSync, readdirSync } = require('fs');
+const { expect } = require('chai');
+const {basename}= require('path');
+
+const projectVersionPairs = require('./helpers/project-versions');
+
+const projects = {
+  'ember': projectVersionPairs.filter(item => item[0] === 'ember').map(item => item[1]), 
+  'ember-data': projectVersionPairs.filter(item => item[0] === 'ember-data').map(item => item[1])
+};
+
+
+const folders = [];
+
+// we only need the latest patch from a minor version
+describe('Prevent adding all patch versions of a minor', function() {
+
+  describe('json-docs folders', function() {
+    for (let project in projects) {
+      const projectVersions = projects[project];
+      const jsonDocsFolders = readdirSync(`json-docs/${project}`).filter(item => item !== 'projects');
+
+      for(let jsonDocsFolder of jsonDocsFolders) {
+        it(`json-docs folder should only have the latest patch: ${project} ${jsonDocsFolder}`, function() {
+          if(!projectVersions.includes(jsonDocsFolder)) {
+            folders.push(`json-docs/${project}/${jsonDocsFolder}`);
+            throw new Error("this is not the only patch version");
+          }
+        })
+      }
+    }
+  })
+
+  describe('s3-docs folders', function() {
+    for (let project in projects) {
+      const projectVersions = projects[project];
+      const s3Files = walkSync('s3-docs').filter(item => item.endsWith(`${project}-docs.json`));
+
+      for(let s3File of s3Files) {
+        it(`s3-docs file should only have the latest patch: ${project} ${s3File}`, function() {
+          let [version] = s3File.split('/');
+          version = version.replace(/^v/, '');
+
+          if(!projectVersions.includes(version)) {
+            folders.push(`s3-docs/v${version}/${project}-docs.json`);
+            throw new Error("this is not the only patch version");
+          }
+        })
+      }
+    }
+  })
+
+  describe('rev-index files', function() {
+    for (let project in projects) {
+      const projectVersions = projects[project];
+      const revIndexFiles = readdirSync(`rev-index`).filter(item => item.match(new RegExp(`^${project}-\\d`)));
+
+      for(let revIndexFile of revIndexFiles){
+        it(`rev-index file sould only have the latest patch: ${project} ${revIndexFile}`, function() {
+          const match = revIndexFile.match(/[\w-]+-(\d+\.\d+\.\d+).json/)
+          if(match && !projectVersions.includes(match[1])) {
+
+            folders.push(`rev-index/${revIndexFile}`);
+            throw new Error("this is not the only patch version");
+          }
+        })
+      }
+    }
+  })
+
+  
+
+  // if you want to bulk delete the duplicate files you can uncomment this
+  // and then run `cat unused-folders.txt | xargs rm -r` to delete them
+  after(function() {
+    writeFileSync('unused-folders.txt', folders.join('\n'));
+  })
+})