diff --git a/.travis.yml b/.travis.yml
index ad1107b81..6d447035b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,6 @@ before_install:
   - phantomjs --version
 
 before_script:
-  - npm install -g grunt-cli
   - npm install patternengine-node-underscore
   - npm install patternengine-node-handlebars
   - npm install patternengine-node-twig
diff --git a/core/lib/pattern_assembler.js b/core/lib/pattern_assembler.js
index bb9d9e9d8..05df15e82 100644
--- a/core/lib/pattern_assembler.js
+++ b/core/lib/pattern_assembler.js
@@ -242,7 +242,7 @@ var pattern_assembler = function () {
 
   function processPatternIterative(relPath, patternlab) {
 
-    var relativeDepth = relPath.match(/\w(?=\\)|\w(?=\/)/g || []).length;
+    var relativeDepth = (relPath.match(/\w(?=\\)|\w(?=\/)/g) || []).length;
     if (relativeDepth > 2) {
       console.log('');
       plutils.logOrange('Warning:');
diff --git a/core/lib/patternlab.js b/core/lib/patternlab.js
index 0e53d594c..df3275f18 100644
--- a/core/lib/patternlab.js
+++ b/core/lib/patternlab.js
@@ -1,5 +1,5 @@
 /*
- * patternlab-node - v2.6.1 - 2016
+ * patternlab-node - v2.6.2 - 2016
  *
  * Brian Muenzenmeyer, Geoff Pursell, and the web community.
  * Licensed under the MIT license.
diff --git a/core/lib/ui_builder.js b/core/lib/ui_builder.js
index 4a0e87f0a..c8b5be431 100644
--- a/core/lib/ui_builder.js
+++ b/core/lib/ui_builder.js
@@ -6,8 +6,7 @@ var fs = require('fs-extra');
 var ae = require('./annotation_exporter');
 var of = require('./object_factory');
 var Pattern = of.Pattern;
-var pa = require('./pattern_assembler');
-var pattern_assembler = new pa();
+var pattern_assembler = require('./pattern_assembler')();
 var plutils = require('./utilities');
 var eol = require('os').EOL;
 var _ = require('lodash');
@@ -54,20 +53,6 @@ var ui_builder = function () {
     }
   }
 
-  /**
-   * Writes a file to disk, with an optional callback
-   * @param filePath - the path to write to with filename
-   * @param data - the file contents
-   * @param callback - an optional callback
-     */
-  function writeFile(filePath, data, callback) {
-    if (callback) {
-      fs.outputFileSync(filePath, data, callback);
-    } else {
-      fs.outputFileSync(filePath, data);
-    }
-  }
-
   /**
    * Returns whether or not the pattern should be excluded from direct rendering or navigation on the front end
    * @param pattern - the pattern to test for inclusion/exclusion
@@ -468,7 +453,7 @@ var ui_builder = function () {
         //do not create a viewall page for flat patterns
         if (patternType === patternSubtype) {
           writeViewAllFile = false;
-          return false;
+          return;
         }
 
         //render the footer needed for the viewall template
@@ -485,13 +470,12 @@ var ui_builder = function () {
         typePatterns = typePatterns.concat(subtypePatterns);
 
         var viewAllHTML = buildViewAllHTML(patternlab, subtypePatterns, patternPartial);
-        writeFile(paths.public.patterns + p.flatPatternPath + '/index.html', mainPageHeadHtml + viewAllHTML + footerHTML);
-        return true; //stop yelling at us eslint we know we know
+        fs.outputFileSync(paths.public.patterns + p.flatPatternPath + '/index.html', mainPageHeadHtml + viewAllHTML + footerHTML);
       });
 
       //do not create a viewall page for flat patterns
       if (!writeViewAllFile || !p) {
-        return false;
+        return;
       }
 
       //render the footer needed for the viewall template
@@ -507,7 +491,7 @@ var ui_builder = function () {
 
       //render the viewall template for the type
       var viewAllHTML = buildViewAllHTML(patternlab, typePatterns, patternType);
-      writeFile(paths.public.patterns + anyPatternOfType.patternType + '/index.html', mainPageHeadHtml + viewAllHTML + footerHTML);
+      fs.outputFileSync(paths.public.patterns + anyPatternOfType.patternType + '/index.html', mainPageHeadHtml + viewAllHTML + footerHTML);
 
       //determine if we should omit this patterntype completely from the viewall page
       var omitPatternType = styleGuideExcludes && styleGuideExcludes.length
@@ -521,8 +505,6 @@ var ui_builder = function () {
       } else {
         patterns = patterns.concat(typePatterns);
       }
-
-      return true; //stop yelling at us eslint we know we know
     });
     return patterns;
   }
@@ -561,12 +543,12 @@ var ui_builder = function () {
     output += 'var defaultPattern = "' + (patternlab.config.defaultPattern ? patternlab.config.defaultPattern : 'all') + '";' + eol;
 
     //write all output to patternlab-data
-    writeFile(path.resolve(paths.public.data, 'patternlab-data.js'), output);
+    fs.outputFileSync(path.resolve(paths.public.data, 'patternlab-data.js'), output);
 
     //annotations
     var annotationsJSON = annotation_exporter.gather();
     var annotations = 'var comments = { "comments" : ' + JSON.stringify(annotationsJSON) + '};';
-    writeFile(path.resolve(paths.public.annotations, 'annotations.js'), annotations);
+    fs.outputFileSync(path.resolve(paths.public.annotations, 'annotations.js'), annotations);
   }
 
   /**
@@ -626,7 +608,7 @@ var ui_builder = function () {
         patternSection: patternlab.patternSection,
         patternSectionSubtype: patternlab.patternSectionSubType
       });
-    writeFile(path.resolve(paths.public.styleguide, 'html/styleguide.html'), headerHTML + styleguideHtml + footerHTML);
+    fs.outputFileSync(path.resolve(paths.public.styleguide, 'html/styleguide.html'), headerHTML + styleguideHtml + footerHTML);
 
     //move the index file from its asset location into public root
     var patternlabSiteHtml;
@@ -637,7 +619,7 @@ var ui_builder = function () {
       console.log("\nERROR: Could not load one or more styleguidekit assets from", paths.source.styleguide, '\n');
       process.exit(1);
     }
-    writeFile(path.resolve(paths.public.root, 'index.html'), patternlabSiteHtml);
+    fs.outputFileSync(path.resolve(paths.public.root, 'index.html'), patternlabSiteHtml);
 
     //write out patternlab.data object to be read by the client
     exportData(patternlab);
@@ -655,6 +637,9 @@ var ui_builder = function () {
     },
     resetUIBuilderState: function (patternlab) {
       resetUIBuilderState(patternlab);
+    },
+    buildViewAllPages: function (mainPageHeadHtml, patternlab, styleguidePatterns) {
+      return buildViewAllPages(mainPageHeadHtml, patternlab, styleguidePatterns);
     }
   };
 
diff --git a/package.json b/package.json
index b7bfd5a5e..29cc5d61c 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "patternlab-node",
   "description": "Pattern Lab is a collection of tools to help you create atomic design systems. This is the node command line interface (CLI).",
-  "version": "2.6.1",
+  "version": "2.6.2",
   "main": "./core/lib/patternlab.js",
   "dependencies": {
     "diveSync": "^0.3.0",
@@ -17,6 +17,7 @@
   },
   "devDependencies": {
     "eslint": "^3.5.0",
+    "rewire": "^2.5.2",
     "tap": "^7.1.2"
   },
   "keywords": [
diff --git a/test/ui_builder_tests.js b/test/ui_builder_tests.js
index 3a111ffd8..b140452dd 100644
--- a/test/ui_builder_tests.js
+++ b/test/ui_builder_tests.js
@@ -1,10 +1,28 @@
 "use strict";
 
 var tap = require('tap');
-
+var rewire = require("rewire");
 var eol = require('os').EOL;
 var Pattern = require('../core/lib/object_factory').Pattern;
 var extend = require('util')._extend;
+var uiModule = rewire('../core/lib/ui_builder');
+
+//set up a global mocks - we don't want to be writing/rendering any files right now
+var fsMock = {
+  outputFileSync: function (path, data, cb) { }
+};
+
+var patternAssemblerMock = {
+  renderPattern: function (template, data, partials) { return ''; }
+};
+
+//set our mocks in place of usual require()
+uiModule.__set__({
+  'fs': fsMock,
+  'pattern_assembler': patternAssemblerMock
+});
+
+var ui = uiModule();
 
 function createFakePatternLab(customProps) {
   var pl = {
@@ -24,13 +42,12 @@ function createFakePatternLab(customProps) {
         rawTemplate: '',
         markupOnly: '.markup-only'
       }
-    }
+    },
+    data: {}
   };
   return extend(pl, customProps);
 }
 
-var ui = require('../core/lib/ui_builder')();
-
 tap.test('isPatternExcluded - returns true when pattern filename starts with underscore', function (test) {
   //arrange
   var patternlab = createFakePatternLab({});
@@ -246,3 +263,45 @@ tap.test('resetUIBuilderState - reset global objects', function (test) {
 
   test.end();
 });
+
+tap.test('buildViewAllPages - adds viewall page for each type and subtype', function (test) {
+  //arrange
+  let mainPageHeadHtml = '<head></head>';
+  let patternlab = createFakePatternLab({
+    patterns: [],
+    patternGroups: {},
+    subtypePatterns: {}
+  });
+
+  patternlab.patterns.push(
+    //this flat pattern is found and causes trouble for the rest of the crew
+    new Pattern('00-test/foo.mustache'),
+    new Pattern('patternType1/patternSubType1/blue.mustache'),
+    new Pattern('patternType1/patternSubType1/red.mustache'),
+    new Pattern('patternType1/patternSubType1/yellow.mustache'),
+    new Pattern('patternType1/patternSubType2/black.mustache'),
+    new Pattern('patternType1/patternSubType2/grey.mustache'),
+    new Pattern('patternType1/patternSubType2/white.mustache')
+  );
+  ui.resetUIBuilderState(patternlab);
+
+  let styleguidePatterns = ui.groupPatterns(patternlab);
+
+  //act
+  var patterns = ui.buildViewAllPages(mainPageHeadHtml, patternlab, styleguidePatterns);
+
+  //assert
+  //this was a nuanced one. buildViewAllPages() had return false; statements
+  //within _.forOwn(...) loops, causing premature termination of the entire loop
+  //when what was intended was a continue
+  //we expect 8 here because:
+  //  - foo.mustache is flat and therefore does not have a viewall page
+  //  - the colors.mustache files make 6
+  //  - patternSubType1 and patternSubType2 make 8
+  //while most of that heavy lifting occurs inside groupPatterns and not buildViewAllPages,
+  //it's important to ensure that this method does not get prematurely terminated
+  //we choose to do that by checking it's return number of patterns
+  test.equals(patterns.length, 8, '2 viewall pages should be added');
+
+  test.end();
+});