fix: Traverse symlinks for configPath

CHANGELOG

@@ -1,3 +1,7 @@
+v0.13.3:
+  date: 2014-10-06
+  changes:
+    - Return the real location of symlinked config files.
 v0.13.2:
   date: 2014-09-12
   changes:

lib/find_config.js

@@ -19,7 +19,8 @@ module.exports = function (opts) {
   }
   // confirm the configPath exists and return an absolute path to it
   if (fs.existsSync(configPath)) {
-    return path.resolve(configPath);
+    // traverse symlinks if needed
+    return fs.realpathSync(path.resolve(configPath));
   }
   return null;
 };

test/fixtures/symlink/mochafile.js

@@ -0,0 +1 @@
+../mochafile.js

test/lib/find_config.js

@@ -27,4 +27,11 @@ describe('findConfig', function () {
     })).to.equal(path.resolve('test/fixtures/search_path/mochafile.js'));
   });
 
+  it('should traverse symlinks', function () {
+    expect(findConfig({
+      configNameSearch: ['mochafile.js'],
+      searchPaths: ['test/fixtures/symlink']
+    })).to.equal(path.resolve('test/fixtures/mochafile.js'));
+  });
+
 });