fix(dom) bug in Firefox with Imagus extension enabled: change getCurrentName to read from data-name instead of title (#313)

Separated out name generation/parsing logic.
Added test case.

common/base64.js

@@ -0,0 +1,20 @@
+'use strict';
+
+module.exports.btoa = (str) => {
+    if (typeof btoa === 'function')
+        return btoa(str);
+    
+    return Buffer
+        .from(str)
+        .toString('base64');
+};
+
+module.exports.atob = (str) => {
+    if (typeof atob === 'function')
+        return atob(str);
+    
+    return Buffer
+        .from(str, 'base64')
+        .toString('binary');
+};
+

common/base64.spec.js

@@ -0,0 +1,55 @@
+'use strict';
+
+const test = require('supertape');
+const stub = require('@cloudcmd/stub');
+
+const {btoa, atob} = require('./base64');
+
+test('btoa: browser', (t) => {
+    const btoaOriginal = global.btoa;
+    const str = 'hello';
+    
+    global.btoa = stub();
+    
+    btoa(str);
+    
+    t.calledWith(global.btoa, [str], 'should call global.btoa');
+    t.end();
+    
+    global.btoa = btoaOriginal;
+});
+
+test('btoa: node', (t) => {
+    const str = 'hello';
+    const expected = 'aGVsbG8=';
+    
+    const result = btoa(str);
+    
+    t.equal(result, expected, 'should encode base64');
+    t.end();
+});
+
+test('atob: browser', (t) => {
+    const atobOriginal = global.atob;
+    const str = 'hello';
+    
+    global.atob = stub();
+    
+    atob(str);
+    
+    t.calledWith(global.atob, [str], 'should call global.btoa');
+    t.end();
+    
+    global.atob = atobOriginal;
+});
+
+test('atob: node', (t) => {
+    const str = 'aGVsbG8=';
+    const expected = 'hello';
+    
+    const result = atob(str);
+    
+    t.equal(result, expected, 'should encode base64');
+    t.end();
+});
+

common/btoa.js

@@ -1,11 +0,0 @@
-'use strict';
-
-module.exports = (str) => {
-    if (typeof btoa === 'function')
-        return btoa(str);
-    
-    return Buffer
-        .from(str)
-        .toString('base64');
-};
-

common/cloudfunc.js

@@ -4,7 +4,7 @@ const rendy = require('rendy');
 const currify = require('currify');
 const store = require('fullstore');
 const {encode} = require('./entity');
-const btoa = require('./btoa');
+const {btoa} = require('./base64');
 
 const getHeaderField = currify(_getHeaderField);
 
@@ -177,7 +177,7 @@ module.exports.buildFromJSON = (params) => {
             name: '..',
         });
         
-        const dataName = 'data-name="js-file-.." ';
+        const dataName = getDataName('..');
         const attribute = 'draggable="true" ' + dataName;
         
         /* Сохраняем путь к каталогу верхнего уровня*/

common/cloudfunc.spec.js

@@ -5,14 +5,50 @@ const {readFileSync} = require('fs');
 
 const test = require('supertape');
 const montag = require('montag');
+const cheerio = require('cheerio');
 
-const {_getSize, getPathLink} = require('./cloudfunc');
+const {
+    _getSize,
+    getPathLink,
+    buildFromJSON,
+} = require('./cloudfunc');
 
 const templatePath = join(__dirname, '../tmpl/fs');
 const template = {
     pathLink: readFileSync(`${templatePath}/pathLink.hbs`, 'utf8'),
+    path: readFileSync(`${templatePath}/path.hbs`, 'utf8'),
+    file: readFileSync(`${templatePath}/file.hbs`, 'utf8'),
+    link: readFileSync(`${templatePath}/link.hbs`, 'utf8'),
 };
 
+test('cloudfunc: buildFromJSON: ..', (t) => {
+    const data = {
+        path: '/media/',
+        files: [{
+            date: '30.08.2016',
+            mode: 'rwx rwx rwx',
+            name: 'floppy',
+            owner: 'root',
+            size: '7b',
+            type: 'directory-link',
+        }],
+    };
+    
+    const html = buildFromJSON({
+        prefix: '',
+        template,
+        data,
+    });
+    
+    const $ = cheerio.load(html);
+    const el = $('[data-name="js-file-Li4="]');
+    const result = el.find('[data-name="js-name"]').text();
+    const expected = '..';
+    
+    t.equal(result, expected);
+    t.end();
+});
+
 test('cloudfunc: getPathLink: /', (t) => {
     const {pathLink} = template;
     const result = getPathLink('/', '', pathLink);