From 9f4f5937112655a9881d3281da8e72035bc8b180 Mon Sep 17 00:00:00 2001
From: David Bennett
Date: Sat, 27 Apr 2013 11:22:03 -0400
Subject: feat($http): add support for aborting via timeout promises

If the timeout argument is a promise, abort the request when it is resolved.
Implemented by adding support to $httpBackend service and $httpBackend mock
service.

This api can also be used to explicitly abort requests while keeping the
communication between the deffered and promise unidirectional.

Closes #1159
---
 src/ngMock/angular-mocks.js | 38 ++++++++++++++++++++++++++------------
 1 file changed, 26 insertions(+), 12 deletions(-)

(limited to 'src/ngMock/angular-mocks.js')

diff --git a/src/ngMock/angular-mocks.js b/src/ngMock/angular-mocks.js
index 07673802..be71e326 100644
--- a/src/ngMock/angular-mocks.js
+++ b/src/ngMock/angular-mocks.js
@@ -937,7 +937,7 @@ function createHttpBackendMock($rootScope, $delegate, $browser) {
   }
 
   // TODO(vojta): change params to: method, url, data, headers, callback
-  function $httpBackend(method, url, data, callback, headers) {
+  function $httpBackend(method, url, data, callback, headers, timeout) {
     var xhr = new MockXhr(),
         expectation = expectations[0],
         wasExpected = false;
@@ -948,6 +948,28 @@ function createHttpBackendMock($rootScope, $delegate, $browser) {
           : angular.toJson(data);
     }
 
+    function wrapResponse(wrapped) {
+      if (!$browser && timeout && timeout.then) timeout.then(handleTimeout);
+
+      return handleResponse;
+
+      function handleResponse() {
+        var response = wrapped.response(method, url, data, headers);
+        xhr.$$respHeaders = response[2];
+        callback(response[0], response[1], xhr.getAllResponseHeaders());
+      }
+
+      function handleTimeout() {
+        for (var i = 0, ii = responses.length; i < ii; i++) {
+          if (responses[i] === handleResponse) {
+            responses.splice(i, 1);
+            callback(-1, undefined, '');
+            break;
+          }
+        }
+      }
+    }
+
     if (expectation && expectation.match(method, url)) {
       if (!expectation.matchData(data))
         throw Error('Expected ' + expectation + ' with different data\n' +
@@ -961,11 +983,7 @@ function createHttpBackendMock($rootScope, $delegate, $browser) {
       expectations.shift();
 
       if (expectation.response) {
-        responses.push(function() {
-          var response = expectation.response(method, url, data, headers);
-          xhr.$$respHeaders = response[2];
-          callback(response[0], response[1], xhr.getAllResponseHeaders());
-        });
+        responses.push(wrapResponse(expectation));
         return;
       }
       wasExpected = true;
@@ -976,13 +994,9 @@ function createHttpBackendMock($rootScope, $delegate, $browser) {
       if (definition.match(method, url, data, headers || {})) {
         if (definition.response) {
           // if $browser specified, we do auto flush all requests
-          ($browser ? $browser.defer : responsesPush)(function() {
-            var response = definition.response(method, url, data, headers);
-            xhr.$$respHeaders = response[2];
-            callback(response[0], response[1], xhr.getAllResponseHeaders());
-          });
+          ($browser ? $browser.defer : responsesPush)(wrapResponse(definition));
         } else if (definition.passThrough) {
-          $delegate(method, url, data, callback, headers);
+          $delegate(method, url, data, callback, headers, timeout);
         } else throw Error('No response defined !');
         return;
       }
-- 
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