Adding cancellation support

test/specs/cancel.spec.js

@@ -0,0 +1,66 @@
+var Cancel = axios.Cancel;
+var CancelToken = axios.CancelToken;
+
+describe('cancel', function() {
+  beforeEach(function() {
+    jasmine.Ajax.install();
+  });
+
+  afterEach(function() {
+    jasmine.Ajax.uninstall();
+  });
+
+  describe('when called before sending request', function() {
+    it('rejects Promise with a Cancel object', function (done) {
+      var source = CancelToken.source();
+      source.cancel('Operation has been canceled.');
+      axios.get('/foo', {
+        cancelToken: source.token
+      }).catch(function (thrown) {
+        expect(thrown).toEqual(jasmine.any(Cancel));
+        expect(thrown.message).toBe('Operation has been canceled.');
+        done();
+      });
+    });
+  });
+
+  describe('when called after request has been sent', function() {
+    it('rejects Promise with a Cancel object', function (done) {
+      var source = CancelToken.source();
+      axios.get('/foo/bar', {
+        cancelToken: source.token
+      }).catch(function (thrown) {
+        expect(thrown).toEqual(jasmine.any(Cancel));
+        expect(thrown.message).toBe('Operation has been canceled.');
+        done();
+      });
+
+      getAjaxRequest().then(function (request) {
+        // call cancel() when the request has been sent, but a response has not been received
+        source.cancel('Operation has been canceled.');
+        request.respondWith({
+          status: 200,
+          responseText: 'OK'
+        });
+      });
+    });
+
+    it('calls abort on request object', function (done) {
+      var source = CancelToken.source();
+      var request;
+      axios.get('/foo/bar', {
+        cancelToken: source.token
+      }).catch(function() {
+        // jasmine-ajax sets statusText to 'abort' when request.abort() is called
+        expect(request.statusText).toBe('abort');
+        done();
+      });
+
+      getAjaxRequest().then(function (req) {
+        // call cancel() when the request has been sent, but a response has not been received
+        source.cancel();
+        request = req;
+      });
+    });
+  });
+});

test/specs/instance.spec.js

@@ -11,7 +11,14 @@ describe('instance', function () {
     var instance = axios.create();
 
     for (var prop in axios) {
-      if (['Axios', 'create', 'all', 'spread', 'default'].indexOf(prop) > -1) {
+      if ([
+        'Axios',
+        'create',
+        'Cancel',
+        'CancelToken',
+        'all',
+        'spread',
+        'default'].indexOf(prop) > -1) {
         continue;
       }
       expect(typeof instance[prop]).toBe(typeof axios[prop]);

test/unit/adapters/http.js

@@ -320,5 +320,21 @@ module.exports = {
         });
       });
     });
+  },
+
+  testCancel: function(test) {
+    var source = axios.CancelToken.source();
+    server = http.createServer(function (req, res) {
+      // call cancel() when the request has been sent, but a response has not been received
+      source.cancel('Operation has been canceled.');
+    }).listen(4444, function() {
+      axios.get('http://localhost:4444/', {
+        cancelToken: source.token
+      }).catch(function (thrown) {
+        test.ok(thrown instanceof axios.Cancel, 'Promise must be rejected with a Cancel obejct');
+        test.equal(thrown.message, 'Operation has been canceled.');
+        test.done();
+      });
+    });
   }
 };