feat(ngMocks): Describe unflushed http requests

src/ngMock/angular-mocks.js

@@ -1378,6 +1378,7 @@ function createHttpBackendMock($rootScope, $timeout, $delegate, $browser) {
         }
       }
 
+      handleResponse.description = method + ' ' + url;
       return handleResponse;
 
       function handleResponse() {
@@ -1884,7 +1885,9 @@ function createHttpBackendMock($rootScope, $timeout, $delegate, $browser) {
   $httpBackend.verifyNoOutstandingRequest = function(digest) {
     if (digest !== false) $rootScope.$digest();
     if (responses.length) {
-      throw new Error('Unflushed requests: ' + responses.length);
+      var unflushedDescriptions = responses.map(function(res) { return res.description; });
+      throw new Error('Unflushed requests: ' + responses.length + '\n  ' +
+                      unflushedDescriptions.join('\n  '));
     }
   };
 

test/ngMock/angular-mocksSpec.js

@@ -1678,7 +1678,8 @@ describe('ngMock', function() {
 
         expect(function() {
           hb.verifyNoOutstandingRequest();
-        }).toThrowError('Unflushed requests: 1');
+        }).toThrowError('Unflushed requests: 1\n' +
+                        '  GET /some');
       });
 
 
@@ -1690,8 +1691,23 @@ describe('ngMock', function() {
 
         expect(function() {
           hb.verifyNoOutstandingRequest();
-        }).toThrowError('Unflushed requests: 1');
+        }).toThrowError('Unflushed requests: 1\n' +
+                        '  GET /some');
       }));
+
+
+      it('should describe multiple unflushed requests', function() {
+        hb.when('GET').respond(200);
+        hb.when('PUT').respond(200);
+        hb('GET', '/some', null, noop, {});
+        hb('PUT', '/elsewhere', null, noop, {});
+
+        expect(function() {
+          hb.verifyNoOutstandingRequest();
+        }).toThrowError('Unflushed requests: 2\n' +
+                        '  GET /some\n' +
+                        '  PUT /elsewhere');
+      });
     });