1 files changed, 128 insertions, 0 deletions
diff --git a/test/service/xhr.cacheSpec.js b/test/service/xhr.cacheSpec.js
new file mode 100644
index 00000000..82b33b72
--- /dev/null
+++ b/test/service/xhr.cacheSpec.js
@@ -0,0 +1,128 @@
+describe('$xhr.cache', function() {
+  var scope, $browser, $browserXhr, cache, log;
+
+  beforeEach(function(){
+    scope = angular.scope();
+    $browser = scope.$service('$browser');
+    $browserXhr = $browser.xhr;
+    cache = scope.$service('$xhr.cache');
+    log = '';
+  });
+
+
+  afterEach(function(){
+    dealoc(scope);
+  });
+
+
+  function callback(code, response) {
+    expect(code).toEqual(200);
+    log = log + toJson(response) + ';';
+  }
+
+
+  it('should cache requests', function(){
+    $browserXhr.expectGET('/url').respond('first');
+    cache('GET', '/url', null, callback);
+    $browserXhr.flush();
+
+    $browserXhr.expectGET('/url').respond('ERROR');
+    cache('GET', '/url', null, callback);
+    $browser.defer.flush();
+    expect(log).toEqual('"first";"first";');
+
+    cache('GET', '/url', null, callback, false);
+    $browser.defer.flush();
+    expect(log).toEqual('"first";"first";"first";');
+  });
+
+
+  it('should first return cache request, then return server request', function(){
+    $browserXhr.expectGET('/url').respond('first');
+    cache('GET', '/url', null, callback, true);
+    $browserXhr.flush();
+
+    $browserXhr.expectGET('/url').respond('ERROR');
+    cache('GET', '/url', null, callback, true);
+    $browser.defer.flush();
+    expect(log).toEqual('"first";"first";');
+
+    $browserXhr.flush();
+    expect(log).toEqual('"first";"first";"ERROR";');
+  });
+
+
+  it('should serve requests from cache', function(){
+    cache.data.url = {value:'123'};
+    cache('GET', 'url', null, callback);
+    $browser.defer.flush();
+    expect(log).toEqual('"123";');
+
+    cache('GET', 'url', null, callback, false);
+    $browser.defer.flush();
+    expect(log).toEqual('"123";"123";');
+  });
+
+
+  it('should keep track of in flight requests and request only once', function(){
+    scope.$service('$xhr.bulk').urls['/bulk'] = {
+      match:function(url){
+        return url == '/url';
+      }
+    };
+    $browserXhr.expectPOST('/bulk', {
+      requests:[{method:'GET',  url:'/url', data: null}]
+    }).respond([
+      {status:200, response:'123'}
+    ]);
+    cache('GET', '/url', null, callback);
+    cache('GET', '/url', null, callback);
+    cache.delegate.flush();
+    $browserXhr.flush();
+    expect(log).toEqual('"123";"123";');
+  });
+
+
+  it('should clear cache on non GET', function(){
+    $browserXhr.expectPOST('abc', {}).respond({});
+    cache.data.url = {value:123};
+    cache('POST', 'abc', {});
+    expect(cache.data.url).toBeUndefined();
+  });
+
+
+  it('should call callback asynchronously for both cache hit and cache miss', function() {
+    $browserXhr.expectGET('/url').respond('+');
+    cache('GET', '/url', null, callback);
+    expect(log).toEqual(''); //callback hasn't executed
+
+    $browserXhr.flush();
+    expect(log).toEqual('"+";'); //callback has executed
+
+    cache('GET', '/url', null, callback);
+    expect(log).toEqual('"+";'); //callback hasn't executed
+
+    $browser.defer.flush();
+    expect(log).toEqual('"+";"+";'); //callback has executed
+  });
+
+
+  it('should call eval after callbacks for both cache hit and cache miss execute', function() {
+    var eval = this.spyOn(scope, '$eval').andCallThrough();
+
+    $browserXhr.expectGET('/url').respond('+');
+    cache('GET', '/url', null, callback);
+    expect(eval).wasNotCalled();
+
+    $browserXhr.flush();
+    expect(eval).wasCalled();
+
+    eval.reset(); //reset the spy
+
+    cache('GET', '/url', null, callback);
+    expect(eval).wasNotCalled();
+
+    $browser.defer.flush();
+    expect(eval).wasCalled();
+  });
+});