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//
// GTMTransientRootPortProxyTest.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 "GTMTransientRootPortProxy.h"
#define kDefaultTimeout 5.0
enum {
kGTMTransientThreadConditionStarting = 777,
kGTMTransientThreadConditionStarted,
kGTMTransientThreadConditionQuitting,
kGTMTransientThreadConditionQuitted
};
// === Start off declaring some auxillary data structures ===
// The @protocol that we'll use for testing with.
@protocol DOPortTestProtocol
- (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 DOPortTestServer : NSObject <DOPortTestProtocol> {
@private
NSPort *clientSendPort_;
NSPort *clientReceivePort_;
}
- (void)runThread:(NSConditionLock *)lock;
- (NSPort *)clientSendPort;
- (NSPort *)clientReceivePort;
@end
@implementation DOPortTestServer
- (void)runThread:(NSConditionLock *)lock {
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSDate *future = [NSDate dateWithTimeIntervalSinceNow:kDefaultTimeout];
if(![lock lockWhenCondition:kGTMTransientThreadConditionStarting
beforeDate:future]) {
_GTMDevLog(@"Unable to acquire lock in runThread! This is BAD!");
[pool drain];
[NSThread exit];
}
clientSendPort_ = [NSPort port];
clientReceivePort_ = [NSPort port];
NSConnection *conn
= [[NSConnection alloc] initWithReceivePort:clientSendPort_
sendPort:clientReceivePort_];
[conn setRootObject:self];
[lock unlockWithCondition:kGTMTransientThreadConditionStarted];
while (![lock tryLockWhenCondition:kGTMTransientThreadConditionQuitting]) {
NSDate *runUntil = [NSDate dateWithTimeIntervalSinceNow:0.1];
[[NSRunLoop currentRunLoop] runUntilDate:runUntil];
}
[conn setRootObject:nil];
[clientSendPort_ invalidate];
[clientReceivePort_ invalidate];
[conn release];
[pool drain];
[lock unlockWithCondition:kGTMTransientThreadConditionQuitted];
}
- (NSPort *)clientSendPort {
return clientSendPort_;
}
- (NSPort *)clientReceivePort {
return clientReceivePort_;
}
- (oneway void)doOneWayVoid {
// Do nothing
}
- (bycopy NSString *)doReturnStringBycopy {
return @"TestString";
}
@end
// === Done with auxillary data structures, now for the main test class ===
@interface GTMTransientRootPortProxyTest : GTMTestCase {
DOPortTestServer *server_;
NSConditionLock *syncLock_;
}
@end
@implementation GTMTransientRootPortProxyTest
- (void)testTransientRootPortProxy {
syncLock_ = [[[NSConditionLock alloc]
initWithCondition:kGTMTransientThreadConditionStarting]
autorelease];
// Setup our server.
server_ = [[[DOPortTestServer alloc] init] autorelease];
[NSThread detachNewThreadSelector:@selector(runThread:)
toTarget:server_
withObject:syncLock_];
NSDate *future = [NSDate dateWithTimeIntervalSinceNow:kDefaultTimeout];
STAssertTrue([syncLock_ lockWhenCondition:kGTMTransientThreadConditionStarted
beforeDate:future],
@"Unable to start thread");
[syncLock_ unlockWithCondition:kGTMTransientThreadConditionStarted];
NSPort *receivePort = [server_ clientReceivePort];
NSPort *sendPort = [server_ clientSendPort];
GTMTransientRootPortProxy<DOPortTestProtocol> *failProxy =
[GTMTransientRootPortProxy rootProxyWithReceivePort:nil
sendPort:nil
protocol:@protocol(DOPortTestProtocol)
requestTimeout:kDefaultTimeout
replyTimeout:kDefaultTimeout];
STAssertNil(failProxy, @"should have failed w/o a port");
failProxy =
[GTMTransientRootPortProxy rootProxyWithReceivePort:receivePort
sendPort:sendPort
protocol:nil
requestTimeout:kDefaultTimeout
replyTimeout:kDefaultTimeout];
STAssertNil(failProxy, @"should have failed w/o a protocol");
GTMTransientRootPortProxy<DOPortTestProtocol> *proxy =
[GTMTransientRootPortProxy rootProxyWithReceivePort:receivePort
sendPort:sendPort
protocol:@protocol(DOPortTestProtocol)
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 =
[GTMTransientRootPortProxy rootProxyWithReceivePort:receivePort
sendPort:sendPort
protocol:@protocol(DOPortTestProtocol)
requestTimeout:kDefaultTimeout
replyTimeout:kDefaultTimeout];
STAssertEqualObjects([proxy doReturnStringBycopy],
@"TestString", @"proxy should have returned "
@"'TestString'");
[syncLock_ tryLockWhenCondition:kGTMTransientThreadConditionStarted];
[syncLock_ unlockWithCondition:kGTMTransientThreadConditionQuitting];
// Wait for the server to shutdown so we clean up nicely.
// The max amount of time we will wait until we abort this test.
NSDate *timeout = [NSDate dateWithTimeIntervalSinceNow:kDefaultTimeout];
// The server did not shutdown and we want to capture this as an error
STAssertTrue([syncLock_ lockWhenCondition:kGTMTransientThreadConditionQuitted
beforeDate:timeout],
@"The server did not shutdown gracefully before the timeout.");
[syncLock_ unlockWithCondition:kGTMTransientThreadConditionQuitted];
}
@end
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