Merge pull request http-party#961 from Turbo87/transfer-encoding-fix

Remove "transfer-encoding" header if "content-length" is set to zero

Author: jcrugzz

lib/http-proxy/passes/web-incoming.js

@@ -32,6 +32,7 @@ web_o = Object.keys(web_o).map(function(pass) {
     if((req.method === 'DELETE' || req.method === 'OPTIONS')
        && !req.headers['content-length']) {
       req.headers['content-length'] = '0';
+      delete req.headers['transfer-encoding'];
     }
   },
 

test/lib-http-proxy-passes-web-incoming-test.js

@@ -22,6 +22,18 @@ describe('lib/http-proxy/passes/web.js', function() {
       webPasses.deleteLength(stubRequest, {}, {});
       expect(stubRequest.headers['content-length']).to.eql('0');
     });
+
+    it('should remove `transfer-encoding` from empty DELETE requests', function() {
+      var stubRequest = {
+        method: 'DELETE',
+        headers: {
+          'transfer-encoding': 'chunked'
+        }
+      };
+      webPasses.deleteLength(stubRequest, {}, {});
+      expect(stubRequest.headers['content-length']).to.eql('0');
+      expect(stubRequest.headers).to.not.have.key('transfer-encoding');
+    });
   });
 
   describe('#timeout', function() {