refactored utils.accepts()

expressjs · Mar 24, 2012 · 86a9e08 · 86a9e08
1 parent fdf9692
commit 86a9e08
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Showing 2 changed files with 26 additions and 51 deletions.
diff --git a/lib/utils.js b/lib/utils.js
@@ -115,29 +115,8 @@ exports.acceptsArray = function(types, str){
  */
 
 exports.accepts = function(type, str){
-  if (Array.isArray(type)) return exports.acceptsArray(type, str);
-
-  // accept anything when Accept is not present
-  if (!str) return true;
-
-  // resolve mime
-  if (!~type.indexOf('/')) type = mime.lookup(type);
-
-  // split type/subtype
-  type = type.split('/');
-
-  // parse
-  var accepted = exports.parseAccept(str)
-    , len = accepted.length
-    , obj
-    , ok;
-
-  for (var i = 0; i < len; ++i) {
-    obj = accepted[i];
-    if (exports.accept(type, obj)) return true;
-  }
-
-  return false;
+  if (!Array.isArray(type)) type = [type];
+  return exports.acceptsArray(type, str);
 };
 
 /**

diff --git a/test/utils.js b/test/utils.js
@@ -85,79 +85,75 @@ describe('utils.parseAccept(str)', function(){
 
 describe('utils.accepts(type, str)', function(){
   describe('when a string is not given', function(){
-    it('should return true', function(){
+    it('should return the value', function(){
       utils.accepts('text/html')
-        .should.be.true;
+        .should.equal('text/html');
     })
   })
 
   describe('when a string is empty', function(){
-    it('should return true', function(){
+    it('should return the value', function(){
       utils.accepts('text/html', '')
-        .should.be.true;
+        .should.equal('text/html');
     })
   })
 
   describe('when */* is given', function(){
-    it('should return true', function(){
+    it('should return the value', function(){
       utils.accepts('text/html', 'text/plain, */*')
-        .should.be.true;
+        .should.equal('text/html');
     })
   })
 
   describe('when accepting type/subtype', function(){
-    it('should return true when present', function(){
+    it('should return the value when present', function(){
       utils.accepts('text/html', 'text/plain, text/html')
-        .should.be.true;
+        .should.equal('text/html');
     })
 
-    it('should return false otherwise', function(){
-      utils.accepts('text/html', 'text/plain, application/json')
-        .should.be.false;
+    it('should return undefined otherwise', function(){
+      assert(null == utils.accepts('text/html', 'text/plain, application/json'));
     })
   })
 
   describe('when accepting */subtype', function(){
-    it('should return true when present', function(){
+    it('should return the value when present', function(){
       utils.accepts('text/html', 'text/*')
-        .should.be.true;
+        .should.equal('text/html');
     })
 
-    it('should return false otherwise', function(){
-      utils.accepts('text/html', 'image/*')
-        .should.be.false;
+    it('should return undefined otherwise', function(){
+      assert(null == utils.accepts('text/html', 'image/*'));
     })
   })
 
   describe('when accepting type/*', function(){
-    it('should return true when present', function(){
+    it('should return the value when present', function(){
       utils.accepts('text/html', '*/html')
-        .should.be.true;
+        .should.equal('text/html');
     })
 
-    it('should return false otherwise', function(){
-      utils.accepts('text/html', '*/json')
-        .should.be.false;
+    it('should return undefined otherwise', function(){
+      assert(null == utils.accepts('text/html', '*/json'));
     })
   })
 
   describe('when an extension is given', function(){
-    it('should return true when present', function(){
+    it('should return the value when present', function(){
       utils.accepts('html', 'text/html, application/json')
-        .should.be.true;
+        .should.equal('html');
     })
 
-    it('should return false otherwise', function(){
-      utils.accepts('html', 'text/plain, application/json')
-        .should.be.false;
+    it('should return undefined otherwise', function(){
+      assert(null == utils.accepts('html', 'text/plain, application/json'));
     })
 
     it('should support *', function(){
       utils.accepts('html', 'text/*')
-        .should.be.true;
+        .should.equal('html');
 
       utils.accepts('html', '*/html')
-        .should.be.true;
+        .should.equal('html');
     })
   })
 })