Addresses issue #16

This was a nested async callstack issue, see:

  - See: caolan/async#1265

lib/modules/content/index.js

@@ -60,15 +60,18 @@ module.exports = function FileContent(options) {
     })();
 
     (function executeChecksAgainstFiles() {
-      async.eachSeries(patterns, (pattern, nextPattern) => {
-        async.eachSeries(fileManager.languageFiles, (file, nextFile) => {
-          fileManager.readFile(file, (err, contents) => {
+      const checkPatternAgainstFiles = (pattern, nextPattern) => {
+        const checkPatternAgainstLanguageFile = (file, nextFile) => {
+          const validateFileContents = (err, contents) => {
             if(err) { return nextFile(); }
             pattern.check(file, contents);
-            nextFile();
-          });
-        }, nextPattern);
-      }, done);
+            async.setImmediate(nextFile);
+          };
+          fileManager.readFile(file, validateFileContents);
+        };
+        async.eachSeries(fileManager.languageFiles, checkPatternAgainstLanguageFile, nextPattern);
+      };
+      async.eachSeries(patterns, checkPatternAgainstFiles, done);
     })();
 
   };

lib/modules/entropy/index.js

@@ -46,7 +46,7 @@ module.exports = function Entropy(options) {
           }
         }
       } while (m);
-      nextFile();
+      async.setImmediate(nextFile);
     };
 
     (function executeChecksAgainstFiles() {

test/modules/contents.js

@@ -6,18 +6,19 @@ const should = require('should');
 const FileManager = require('../../lib/fileManager');
 
 describe('Contents', () => {
-  let contents, mockResults;
+  let contents, mockResults, fileManager;
   beforeEach(() => {
     mockResults = deride.stub(['low', 'medium', 'high', 'critical']);
     const nullLogger = deride.stub(['log', 'debug', 'error']);
-    const fileManager = new FileManager({
-      target: path.join(__dirname, '../samples/nodejs'),
-      logger: nullLogger
-    });
 
     contents = new Contents({
       patterns: path.join(__dirname, '../samples/contents.js')
     });
+    fileManager = deride.wrap(new FileManager({
+      target: path.join(__dirname, '../samples/nodejs'),
+      logger: nullLogger
+    }));
+
     should(contents.handles(fileManager)).eql(true);
   });
 
@@ -27,4 +28,11 @@ describe('Contents', () => {
     });
     contents.run(mockResults, done);
   });
+
+  it('should not explode when there are more than 115 files', done => {
+    for(var x = 0; x < 3000; x++) {
+      fileManager.languageFiles.push(fileManager.languageFiles[1]);
+    }
+    contents.run(mockResults, done);
+  });
 });

test/scan.js

@@ -38,4 +38,5 @@ describe('Scan', () => {
       done();
     });
   });
+
 });