iOS AppRTC: First unit test.
Tests basic session ICE connection by stubbing out network components, which have been refactored to faciliate testing.
BUG=3994
R=jiayl@webrtc.org, kjellander@webrtc.org, phoglund@webrtc.org
Review URL: https://webrtc-codereview.appspot.com/28349004
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8002 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/talk/examples/objc/AppRTCDemo/ARDAppEngineClient.m b/talk/examples/objc/AppRTCDemo/ARDAppEngineClient.m
new file mode 100644
index 0000000..44d3801
--- /dev/null
+++ b/talk/examples/objc/AppRTCDemo/ARDAppEngineClient.m
@@ -0,0 +1,178 @@
+/*
+ * libjingle
+ * Copyright 2014, Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "ARDAppEngineClient.h"
+
+#import "ARDMessageResponse.h"
+#import "ARDRegisterResponse.h"
+#import "ARDSignalingMessage.h"
+#import "ARDUtilities.h"
+
+// TODO(tkchin): move these to a configuration object.
+static NSString *kARDRoomServerHostUrl =
+ @"https://apprtc.appspot.com";
+static NSString *kARDRoomServerRegisterFormat =
+ @"https://apprtc.appspot.com/register/%@";
+static NSString *kARDRoomServerMessageFormat =
+ @"https://apprtc.appspot.com/message/%@/%@";
+static NSString *kARDRoomServerByeFormat =
+ @"https://apprtc.appspot.com/bye/%@/%@";
+
+static NSString *kARDAppEngineClientErrorDomain = @"ARDAppEngineClient";
+static NSInteger kARDAppEngineClientErrorBadResponse = -1;
+
+@implementation ARDAppEngineClient
+
+#pragma mark - ARDRoomServerClient
+
+- (void)registerForRoomId:(NSString *)roomId
+ completionHandler:(void (^)(ARDRegisterResponse *response,
+ NSError *error))completionHandler {
+ NSParameterAssert(roomId.length);
+
+ NSString *urlString =
+ [NSString stringWithFormat:kARDRoomServerRegisterFormat, roomId];
+ NSURL *roomURL = [NSURL URLWithString:urlString];
+ NSLog(@"Registering with room server.");
+ NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:roomURL];
+ request.HTTPMethod = @"POST";
+ __weak ARDAppEngineClient *weakSelf = self;
+ [NSURLConnection sendAsyncRequest:request
+ completionHandler:^(NSURLResponse *response,
+ NSData *data,
+ NSError *error) {
+ ARDAppEngineClient *strongSelf = weakSelf;
+ if (error) {
+ if (completionHandler) {
+ completionHandler(nil, error);
+ }
+ return;
+ }
+ ARDRegisterResponse *registerResponse =
+ [ARDRegisterResponse responseFromJSONData:data];
+ if (!registerResponse) {
+ if (completionHandler) {
+ NSError *error = [[self class] badResponseError];
+ completionHandler(nil, error);
+ }
+ return;
+ }
+ if (completionHandler) {
+ completionHandler(registerResponse, nil);
+ }
+ }];
+}
+
+- (void)sendMessage:(ARDSignalingMessage *)message
+ forRoomId:(NSString *)roomId
+ clientId:(NSString *)clientId
+ completionHandler:(void (^)(ARDMessageResponse *response,
+ NSError *error))completionHandler {
+ NSParameterAssert(message);
+ NSParameterAssert(roomId.length);
+ NSParameterAssert(clientId.length);
+
+ NSData *data = [message JSONData];
+ NSString *urlString =
+ [NSString stringWithFormat:
+ kARDRoomServerMessageFormat, roomId, clientId];
+ NSURL *url = [NSURL URLWithString:urlString];
+ NSLog(@"C->RS POST: %@", message);
+ NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
+ request.HTTPMethod = @"POST";
+ request.HTTPBody = data;
+ __weak ARDAppEngineClient *weakSelf = self;
+ [NSURLConnection sendAsyncRequest:request
+ completionHandler:^(NSURLResponse *response,
+ NSData *data,
+ NSError *error) {
+ ARDAppEngineClient *strongSelf = weakSelf;
+ if (error) {
+ if (completionHandler) {
+ completionHandler(nil, error);
+ }
+ return;
+ }
+ ARDMessageResponse *messageResponse =
+ [ARDMessageResponse responseFromJSONData:data];
+ if (!messageResponse) {
+ if (completionHandler) {
+ NSError *error = [[self class] badResponseError];
+ completionHandler(nil, error);
+ }
+ return;
+ }
+ if (completionHandler) {
+ completionHandler(messageResponse, nil);
+ }
+ }];
+}
+
+- (void)deregisterForRoomId:(NSString *)roomId
+ clientId:(NSString *)clientId
+ completionHandler:(void (^)(NSError *error))completionHandler {
+ NSParameterAssert(roomId.length);
+ NSParameterAssert(clientId.length);
+
+ NSString *urlString =
+ [NSString stringWithFormat:kARDRoomServerByeFormat, roomId, clientId];
+ NSURL *url = [NSURL URLWithString:urlString];
+ NSURLRequest *request = [NSURLRequest requestWithURL:url];
+ NSURLResponse *response = nil;
+ NSError *error = nil;
+ // We want a synchronous request so that we know that we're unregistered from
+ // room server before we do any further unregistration.
+ NSLog(@"C->RS: BYE");
+ [NSURLConnection sendSynchronousRequest:request
+ returningResponse:&response
+ error:&error];
+ if (error) {
+ NSLog(@"Error unregistering from room server: %@", error);
+ if (completionHandler) {
+ completionHandler(error);
+ }
+ return;
+ }
+ NSLog(@"Unregistered from room server.");
+ if (completionHandler) {
+ completionHandler(nil);
+ }
+}
+
+#pragma mark - Private
+
++ (NSError *)badResponseError {
+ NSError *error =
+ [[NSError alloc] initWithDomain:kARDAppEngineClientErrorDomain
+ code:kARDAppEngineClientErrorBadResponse
+ userInfo:@{
+ NSLocalizedDescriptionKey: @"Error parsing response.",
+ }];
+ return error;
+}
+
+@end