ムーンシャイン・プロジェクト開発ブログ

@implementation StarService
 
- (void)star:(NSUInteger)pictureNumber count:(NSUInteger)count {
	// リクエストオブジェクトをつくる
	NSString *url = [NSString stringWithFormat:@"http://%@:%d/api/star/", serviceHostname, servicePort, nil];
	NSMutableURLRequest *theRequest=[NSMutableURLRequest requestWithURL:[NSURL URLWithString:url]
											  cachePolicy:NSURLRequestUseProtocolCachePolicy
										  timeoutInterval:60.0];
	// ... ここで呼び出しパラメータやHTTPヘッダを設定 ...
	StarRequestDelegate *requestDelegate = [[StarRequestDelegate alloc] initWithService:self delegate:serviceDelegate];
	/* API呼び出し開始! */
	NSURLConnection *theConnection = [NSURLConnection connectionWithRequest:aRequest delegate:requestDelegate];
}
...
// API呼び出し用のNSURLConnectionデリゲート
@implementation StarRequestDelegate
 
- (void)connectionDidFinishLoading:(NSURLConnection *)connection {
	if (delegate && [(NSObject*)delegate respondsToSelector:@selector(starService:didFinishStar:)]) {
		/* APIが正常に終わったので、デリゲートのコールバックを呼ぶ */
		[delegate starService:service didFinishStar:receivedData];
	}
	[super connectionDidFinishLoading:connection];
}

@implementation FakeStarService
 
- (void)star:(NSUInteger)pictureNumber count:(NSUInteger)count {
	/* デリゲートのコールバックを直接呼び出すNSInvocationをつくる */
	NSInvocation *invocation;
	[[NSInvocation retainedInvocationWithTarget:serviceDelegate invocationOut:&invocation]
	 starService:self didFinishStar:nil];
 
	/* ネットワーク遅延を装うためにさらにNSInvocationをかぶせる */
	NSInvocation *delayInvocation;
	[[NSInvocation retainedInvocationWithTarget:invocation invocationOut:&delayInvocation]
	 performSelector:@selector(invoke) withObject:nil afterDelay:delay];
	[delayInvocation performSelectorOnMainThread:@selector(invoke) withObject:nil waitUntilDone:NO];
}

--- Downloads/NSInvocationForwardedConstruction/NSInvocation(ForwardedConstruction).h	2009-05-04 11:55:34.000000000 +0900
+++ NSInvocation(ForwardedConstruction).h	2009-12-02 10:17:07.000000000 +0900
@@ -11,7 +11,7 @@
 //  appreciated but not required.
 //
 
-#import <Cocoa/Cocoa.h>
+#import <UIKit/UIKit.h>
 
 @interface NSInvocation (ForwardedConstruction)
 
@@ -21,3 +21,10 @@
 	invocationOut:(NSInvocation **)invocationOut;
 
 @end
+
+#if (TARGET_OS_IPHONE)
+@interface NSObject (ForwardedConstruction)
+- (NSString *)className;
++ (NSString *)className;
+@end
+#endif
--- Downloads/NSInvocationForwardedConstruction/NSInvocation+ForwardedConstruction.m	2009-05-04 11:55:34.000000000 +0900
+++ NSInvocation(ForwardedConstruction).m	2009-12-02 10:17:43.000000000 +0900
@@ -12,7 +12,9 @@
 //
 
 #import "NSInvocation(ForwardedConstruction).h"
-#import <objc/objc-runtime.h>
+//#import <objc/objc-runtime.h>
+#import <objc/runtime.h>
+#import <objc/message.h>
 
 //
 // InvocationProxy is a private class for receiving invocations via the
@@ -376,4 +378,21 @@
 	return invocationProxy;
 }
 
+@end 
+
+#if (TARGET_OS_IPHONE)
+
+@implementation NSObject (ForwardedConstruction)
+
+- (NSString *)className
+{
+	return [NSString stringWithUTF8String:class_getName([self class])];
+}
++ (NSString *)className
+{
+	return [NSString stringWithUTF8String:class_getName(self)];
+}
+
 @end
+
+#endif

// 実際にネットワーク接続するクラスでテストをするクラス。
// 偽クラスをテストするテストクラスも別にある
@implementation HttpNetTest
 
- (BOOL)shouldRunOnMainThread {
	/* GHUnitは別スレッドで */
	return NO;
}
 
- (void)test_send_star {
	[tester do_test_send_star:service];
}
 
@implementation StarServiceTests
 
- (void)do_test_send_star:(id)service {
	// NSInvocationをつくり、
	NSInvocation *invocation;
	[[NSInvocation retainedInvocationWithTarget:service invocationOut:&invocation]
	  star:0 count:1];
	/* メインスレッドで呼び出す */
	[invocation performSelectorOnMainThread:@selector(invoke) withObject:nil waitUntilDone:NO];
 
	/* 終了を待つ */
	BOOL notTimeout = [AsyncTestHelper wait:service.delegate property:@selector(receivedDidFinishGetStarsCount) atLeast:1];
 
	/* アサートたち */
	GHAssertTrue(notTimeout, @"Should not timeout");
	GHAssertEquals((NSUInteger)1, [service.delegate receivedDidFinishStarCount], @"delegate should receive star callback");
}

@implementation StarServiceTests
 
- (void)do_test_send_star:(id)service {
	// ..
	[AsyncTestHelper wait:service.delegate property:@selector(receivedDidFinishStarCount) atLeast:1];
	// ..
}

@implementation AsyncTestHelper
 
+ (BOOL)wait:(id)target property:(SEL)getter atLeast:(NSUInteger)count {
	int tried = 0;
	while((NSUInteger)[target performSelector:getter]  10) {
			return FALSE;
		}
		[NSThread sleepForTimeInterval:0.5];
	}
	return TRUE;
}