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//
// GTMTransientRootSocketProxyTest.m
//
// Copyright 2006-2009 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
//
#import "GTMSenTestCase.h"
#import "GTMTransientRootSocketProxy.h"
// Needed to get the socket port.
#import <netinet/in.h>
#import <arpa/inet.h>
#define kDefaultTimeout 5.0
#define kServerShuttingDownNotification @"serverShuttingDown"
// === Start off declaring some auxillary data structures ===
// The @protocol that we'll use for testing with.
@protocol DOSocketTestProtocol
- (oneway void)doOneWayVoid;
- (bycopy NSString *)doReturnStringBycopy;
@end
// The "server" we'll use to test the DO connection. This server will implement
// our test protocol, and it will run in a separate thread from the main
// unit testing thread, so the DO requests can be serviced.
@interface DOSocketTestServer : NSObject <DOSocketTestProtocol> {
@private
BOOL quit_;
unsigned short listeningPort_;
}
- (void)runThread:(id)ignore;
- (unsigned short)listeningPort;
- (void)shutdownServer;
@end
@implementation DOSocketTestServer
- (BOOL)shouldServerQuit {
BOOL returnValue = NO;
@synchronized(self) {
returnValue = quit_;
}
return returnValue;
}
- (void)runThread:(id)ignore {
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
quit_ = NO;
NSSocketPort *serverPort = [[NSSocketPort alloc] init];
// We will need the port so we can hand if off to the client
// The structure will get us this information.
struct sockaddr_in addrIn =
*(struct sockaddr_in *)[[serverPort address] bytes];
listeningPort_ = htons(addrIn.sin_port);
NSConnection *conn = [NSConnection connectionWithReceivePort:serverPort
sendPort:nil];
// Port is retained by the NSConnection
[serverPort release];
[conn setRootObject:self];
while (![self shouldServerQuit]) {
NSDate* runUntil = [NSDate dateWithTimeIntervalSinceNow:0.5];
[[NSRunLoop currentRunLoop] runUntilDate:runUntil];
}
[conn invalidate];
[conn release];
[nc postNotificationName:kServerShuttingDownNotification object:nil];
[pool drain];
}
- (unsigned short)listeningPort {
return listeningPort_;
}
- (oneway void)doOneWayVoid {
// Do nothing
}
- (bycopy NSString *)doReturnStringBycopy {
return @"TestString";
}
- (void)shutdownServer {
@synchronized(self) {
quit_ = YES;
}
}
@end
// === Done with auxillary data structures, now for the main test class ===
@interface GTMTransientRootSocketProxyTest : GTMTestCase {
DOSocketTestServer *server_;
BOOL serverOffline_;
}
@end
@implementation GTMTransientRootSocketProxyTest
- (void)serverIsShuttingDown:(NSNotification *)note {
@synchronized(self) {
serverOffline_ = YES;
}
}
- (BOOL)serverStatus {
BOOL returnValue = NO;
@synchronized(self) {
returnValue = serverOffline_;
}
return returnValue;
}
- (void)testTransientRootSocketProxy {
// Register for server notifications
NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
[nc addObserver:self
selector:@selector(serverIsShuttingDown:)
name:kServerShuttingDownNotification
object:nil];
serverOffline_ = NO;
// Setup our server.
server_ = [[[DOSocketTestServer alloc] init] autorelease];
[NSThread detachNewThreadSelector:@selector(runThread:)
toTarget:server_
withObject:nil];
// Sleep for 1 second to give the new thread time to set stuff up
[NSThread sleepUntilDate:[NSDate dateWithTimeIntervalSinceNow:1]];
// Create our NSSocketPort
NSSocketPort *receivePort =
[[NSSocketPort alloc] initRemoteWithTCPPort:[server_ listeningPort]
host:@"localhost"];
GTMTransientRootSocketProxy<DOSocketTestProtocol> *failProxy =
[GTMTransientRootSocketProxy rootProxyWithSocketPort:nil
protocol:@protocol(DOSocketTestProtocol)
requestTimeout:kDefaultTimeout
replyTimeout:kDefaultTimeout];
STAssertNil(failProxy, @"should have failed w/o a port");
failProxy =
[GTMTransientRootSocketProxy rootProxyWithSocketPort:receivePort
protocol:nil
requestTimeout:kDefaultTimeout
replyTimeout:kDefaultTimeout];
STAssertNil(failProxy, @"should have failed w/o a protocol");
GTMTransientRootSocketProxy<DOSocketTestProtocol> *proxy =
[GTMTransientRootSocketProxy rootProxyWithSocketPort:receivePort
protocol:@protocol(DOSocketTestProtocol)
requestTimeout:kDefaultTimeout
replyTimeout:kDefaultTimeout];
STAssertEqualObjects([proxy doReturnStringBycopy],
@"TestString", @"proxy should have returned "
@"'TestString'");
// Redo the *exact* same test to make sure we can have multiple instances
// in the same app.
proxy =
[GTMTransientRootSocketProxy rootProxyWithSocketPort:receivePort
protocol:@protocol(DOSocketTestProtocol)
requestTimeout:kDefaultTimeout
replyTimeout:kDefaultTimeout];
STAssertEqualObjects([proxy doReturnStringBycopy],
@"TestString", @"proxy should have returned "
@"'TestString'");
[server_ shutdownServer];
// Wait for the server to shutdown so we clean up nicely. The max amount of
// time we will wait until we abort this test.
id timeout = [NSDate dateWithTimeIntervalSinceNow:30.0];
while (![self serverStatus] &&
([[NSDate date] compare:timeout] != NSOrderedDescending)) {
NSDate *runUntil = [NSDate dateWithTimeIntervalSinceNow:2.0];
[[NSRunLoop currentRunLoop] runUntilDate:runUntil];
}
}
@end
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