Added htmlDiffer option

lib/assets/tmpl-spec.jst

@@ -20,7 +20,7 @@ var assert = require('assert'),
 <% } %>
     dropRequireCache = require('enb/lib/fs/drop-require-cache'),
     HtmlDiffer = require('${ paths['html-differ'] }').HtmlDiffer,
-    htmlDiffer = new HtmlDiffer('bem'),
+    htmlDiffer = new HtmlDiffer(${ JSON.stringify(diffOpts) }),
     referencesFilename = require.resolve('${ paths.references }');
 
 describe('${ describe }', function() {

lib/node-configurator.js

@@ -150,6 +150,7 @@ exports.configure = function (config, options) {
             [spec, {
                 engines: engines,
                 langs: langs,
+                diffOpts: options.diffOpts,
                 engineTargets: engineTargets,
                 saveHtml: options.saveHtml,
                 coverageEngines: coverageEngines,

lib/plugin.js

@@ -22,7 +22,10 @@ module.exports = function (helper) {
         _init: function (options) {
             var root = helper.getRootPath(),
                 engines = options.engines,
-                coverage = options.coverage || {};
+                coverage = options.coverage || {},
+                diffOpts = options.htmlDiffer || {};
+
+            diffOpts.preset || (diffOpts.preset = 'bem');
 
             if (coverage === true) {
                 coverage = {
@@ -85,7 +88,8 @@ module.exports = function (helper) {
                     process.env.BEM_TMPL_SPECS_SAVE_HTML) || false,
                 grep: (typeof process.env.BEM_TMPL_SPECS_GREP === 'undefined' ?
                     options.grep :
-                    process.env.BEM_TMPL_SPECS_GREP) || false
+                    process.env.BEM_TMPL_SPECS_GREP) || false,
+                diffOpts: diffOpts
             };
         },
 
@@ -157,7 +161,8 @@ module.exports = function (helper) {
                     engines: options.engines,
                     saveHtml: options.saveHtml,
                     coverage: options.coverage,
-                    sublevels: options.sublevels
+                    sublevels: options.sublevels,
+                    diffOpts: options.diffOpts
                 });
             });
         },

lib/reporters/spec.js

@@ -1,14 +1,19 @@
 var util = require('util'),
     HtmlDiffer = require('html-differ').HtmlDiffer,
-    htmlDiffer = new HtmlDiffer('bem'),
     diffLogger = require('html-differ/lib/logger'),
     ms = require('mocha/lib/ms'),
     SpecReporter = require('mocha/lib/reporters/spec'),
     color = require('mocha/lib/reporters/base').color;
 
 exports = module.exports = Reporter;
 
-function Reporter(runner) {
+function Reporter(runner, diffOpts) {
+    diffOpts || (diffOpts = {});
+
+    diffOpts.preset || (diffOpts.preset = 'bem');
+
+    this._htmlDiffer = new HtmlDiffer(diffOpts);
+
     SpecReporter.call(this, runner);
 }
 
@@ -44,6 +49,8 @@ Reporter.prototype.epilogue = function () {
 };
 
 Reporter.prototype.list = function (failures) {
+    var htmlDiffer = this._htmlDiffer;
+
     console.error();
     failures.forEach(function (test, i) {
         var fmt = color('error title', '  %s) %s:\n') + color('error message', '     %s\n'),

lib/runner.js

@@ -10,7 +10,7 @@ exports.run = function (files, opts) {
     var defer = vow.defer(),
         mocha = new Mocha({
             ui: 'bdd',
-            reporter: runReporters,
+            reporter: runReporters(opts.diffOpts),
             grep: parseRe(opts.grep)
         });
 
@@ -35,10 +35,12 @@ exports.run = function (files, opts) {
 };
 
 // Helper allow you to run the multiple reporters
-function runReporters(runner) {
-    getReporters().forEach(function (Reporter) {
-        Reporter && new Reporter(runner);
-    });
+function runReporters(diffOpts) {
+    return function (runner) {
+        getReporters().forEach(function (Reporter) {
+            Reporter && new Reporter(runner, diffOpts);
+        });
+    };
 }
 
 function getReporters() {

lib/techs/tmpl-spec.js

@@ -20,6 +20,7 @@ module.exports = require('enb/lib/build-flow').create()
     .defineRequiredOption('engines')
     .defineOption('langs', [])
     .defineOption('saveHtml', false)
+    .defineOption('diffOpts')
     .defineOption('coverageEngines', [])
     .defineOption('coverageBundle', false)
     .useSourceFilename('references', '?.references.js')
@@ -37,6 +38,7 @@ module.exports = require('enb/lib/build-flow').create()
             references = require(referencesFilename),
             engines = this._engines,
             langs = this._langs,
+            diffOpts = this._diffOpts,
             oneLang = langs === true,
             manyLangs = Array.isArray(langs) && langs.length > 0,
             saveHtml = this._saveHtml,
@@ -75,6 +77,7 @@ module.exports = require('enb/lib/build-flow').create()
                 data = {
                     describe: path.basename(nodePath) + ' (' + path.dirname(nodePath) + ')',
                     its: its,
+                    diffOpts: diffOpts,
                     engines: engines.map(function (engine) {
                         var target = contains(coverageEngines, engine.name) ?
                             instrumentedTarget(engine.target) : engine.target,

package.json

@@ -25,7 +25,7 @@
     "enb-bem-pseudo-levels": "0.2.6",
     "enb-bem-techs": "1.0.3",
     "enb-source-map": "1.5.0",
-    "html-differ": "1.1.0",
+    "html-differ": "1.3.0",
     "inherit": "2.2.2",
     "istanbul": "0.3.6",
     "jade": "1.9.2",