Fix for cachePartials not honoring extension

.travis.yml

@@ -0,0 +1,11 @@
+language: node_js
+
+node_js:
+  - "4.1"
+  - "4.0"
+  - "0.12"
+  - "0.10"
+  - "0.10"
+  - "iojs"
+
+before_install: npm install -g grunt-cli

lib/hbs.js

@@ -165,7 +165,7 @@ ExpressHbs.prototype.cachePartials = function(cb) {
   var count = 0;
 
   function readNext() {
-    readdirp({root: self.partialsDir[count], fileFilter: '*.*'})
+    readdirp({root: self.partialsDir[count], fileFilter: '*' + self._options.extname})
     .on('warn', function(err) {
       console.warn('Non-fatal error in express-hbs cachePartials.', err);
     })

test/cacheSpecs.js

@@ -107,7 +107,7 @@ describe('express-hbs', function() {
             .end(function(err) {
               assert.ifError(err);
 
-              var filename = path.resolve(__dirname, '../example/views/partials/sub/comment.html');
+              var filename = path.resolve(__dirname, '../example/views/partials/sub/comment.hbs');
               assert.equal(mock.readCounts[filename], 2);
               done();
             });
@@ -128,7 +128,7 @@ describe('express-hbs', function() {
             .end(function(err) {
               assert.ifError(err);
 
-              var filename = path.resolve(__dirname, '../example/views/partials/sub/comment.html');
+              var filename = path.resolve(__dirname, '../example/views/partials/sub/comment.hbs');
               assert.equal(mock.readCounts[filename], 1);
               done();
             });

test/issues.js

@@ -381,7 +381,7 @@ describe('issue-62', function() {
         partialsDir: dirname
       });
 
-      hbs.cachePartials(function (err) {
+      hb.cachePartials(function (err) {
         assert.ifError(err);
         assert.ok(true);
         done();