Added requestStarted delegate methods to ASIHTTPRequest and ASINetworkQueue

Added delegate method tests
Thanks to Lu for the code!

Also, fixed progress tests on Mac OS, broken as a result of the recent fix relating to setMaxValue: for iPhone

@@ -234,6 +234,9 @@ extern unsigned long const ASIWWANBandwidthThrottleAmount;
 	// This lock prevents the operation from being cancelled at an inopportune moment
 	NSRecursiveLock *cancelledLock;
 	
+	// Called on the delegate when the request starts
+	SEL didStartSelector;
+	
 	// Called on the delegate when the request completes successfully
 	SEL didFinishSelector;
 	
@@ -394,6 +397,9 @@ extern unsigned long const ASIWWANBandwidthThrottleAmount;
 
 #pragma mark handling request complete / failure
 
+// Called when a request starts, lets the delegate now via didStartSelector
+- (void)requestStarted;
+
 // Called when a request completes successfully, lets the delegate now via didFinishSelector
 - (void)requestFinished;
 
@@ -588,6 +594,7 @@ extern unsigned long const ASIWWANBandwidthThrottleAmount;
 @property (assign) BOOL useSessionPersistance;
 @property (retain) NSString *downloadDestinationPath;
 @property (retain) NSString *temporaryFileDownloadPath;
+@property (assign) SEL didStartSelector;
 @property (assign) SEL didFinishSelector;
 @property (assign) SEL didFailSelector;
 @property (retain,readonly) NSString *authenticationRealm;

@@ -185,6 +185,7 @@ static BOOL isiPhoneOS2;
 	[self setUseCookiePersistance:YES];
 	[self setValidatesSecureCertificate:YES];
 	[self setRequestCookies:[[[NSMutableArray alloc] init] autorelease]];
+	[self setDidStartSelector:@selector(requestStarted:)];
 	[self setDidFinishSelector:@selector(requestFinished:)];
 	[self setDidFailSelector:@selector(requestFailed:)];
 	[self setURL:newURL];
@@ -643,6 +644,8 @@ static BOOL isiPhoneOS2;
 		return;
 	}
 	
+	[self requestStarted];
+	
 	[self setAuthenticationLock:[[[NSConditionLock alloc] initWithCondition:1] autorelease]];
 	
 	[self setComplete:NO];
@@ -1252,6 +1255,23 @@ static BOOL isiPhoneOS2;
 
 #pragma mark handling request complete / failure
 
+
+- (void)requestStarted
+{
+	if ([self error] || [self mainRequest]) {
+		return;
+	}
+	// Let the queue know we have started
+	if ([[self queue] respondsToSelector:@selector(requestDidStart:)]) {
+		[[self queue] performSelectorOnMainThread:@selector(requestDidStart:) withObject:self waitUntilDone:[NSThread isMainThread]];		
+	}
+	
+	// Let the delegate know we have started
+	if ([self didStartSelector] && [[self delegate] respondsToSelector:[self didStartSelector]]) {
+		[[self delegate] performSelectorOnMainThread:[self didStartSelector] withObject:self waitUntilDone:[NSThread isMainThread]];		
+	}
+}
+
 // Subclasses might override this method to process the result in the same thread
 // If you do this, don't forget to call [super requestFinished] to let the queue / delegate know we're done
 - (void)requestFinished
@@ -3108,6 +3128,7 @@ static BOOL isiPhoneOS2;
 @synthesize useCookiePersistance;
 @synthesize downloadDestinationPath;
 @synthesize temporaryFileDownloadPath;
+@synthesize didStartSelector;
 @synthesize didFinishSelector;
 @synthesize didFailSelector;
 @synthesize authenticationRealm;

@@ -13,6 +13,9 @@
 	// Delegate will get didFail + didFinish messages (if set)
 	id delegate;
 
+	// Will be called when a request starts with the request as the argument
+	SEL requestDidStartSelector;
+	
 	// Will be called when a request completes with the request as the argument
 	SEL requestDidFinishSelector;
 	
@@ -99,6 +102,7 @@
 @property (assign,setter=setUploadProgressDelegate:) id uploadProgressDelegate;
 @property (assign,setter=setDownloadProgressDelegate:) id downloadProgressDelegate;
 
+@property (assign) SEL requestDidStartSelector;
 @property (assign) SEL requestDidFinishSelector;
 @property (assign) SEL requestDidFailSelector;
 @property (assign) SEL queueDidFinishSelector;

@@ -177,6 +177,13 @@
 
 }
 
+- (void)requestDidStart:(ASIHTTPRequest *)request
+{
+	if ([self requestDidStartSelector]) {
+		[[self delegate] performSelector:[self requestDidStartSelector] withObject:request];
+	}
+}
+
 - (void)requestDidFail:(ASIHTTPRequest *)request
 {
 	[self setRequestsCount:[self requestsCount]-1];
@@ -331,6 +338,7 @@
 @synthesize shouldCancelAllRequestsOnFailure;
 @synthesize uploadProgressDelegate;
 @synthesize downloadProgressDelegate;
+@synthesize requestDidStartSelector;
 @synthesize requestDidFinishSelector;
 @synthesize requestDidFailSelector;
 @synthesize queueDidFinishSelector;

@@ -12,9 +12,13 @@
 
 @interface ASIHTTPRequestTests : ASITestCase {
 	float progress;
+	BOOL started;
+	BOOL finished;
+	BOOL failed;
 }
 
 - (void)testBasicDownload;
+- (void)testDelegateMethods;
 - (void)testConditionalGET;
 - (void)testException;
 - (void)testTimeOut;

@@ -65,6 +65,85 @@
 	GHAssertTrue(success,@"Failed to generate an error for a bad host");
 }
 
+- (void)testDelegateMethods
+{
+	started = NO;
+	finished = NO;
+	failed = NO;
+	
+	// Test default delegate methods
+	ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com"]];
+	[request setDelegate:self];
+	[request start];
+	GHAssertTrue(started,@"Failed to call the delegate method when the request started");	
+	GHAssertTrue(finished,@"Failed to call the delegate method when the request finished");
+	
+	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com"]];
+	[request setDelegate:self];
+	[request setTimeOutSeconds:0.01];
+	[request start];
+	GHAssertTrue(failed,@"Failed to call the delegate method when the request failed");
+	
+	started = NO;
+	finished = NO;
+	failed = NO;
+	
+	// Test custom delegate methods
+	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com"]];
+	[request setDelegate:self];
+	[request setDidStartSelector:@selector(delegateTestStarted:)];
+	[request setDidFinishSelector:@selector(delegateTestFinished:)];
+	[request start];
+	
+	// Hacky, but this test won't run on the main thread, we have to hope the delegate methods will be called in this time
+	[[NSRunLoop currentRunLoop] runUntilDate:[NSDate dateWithTimeIntervalSinceNow:2]];
+	
+	GHAssertTrue(started,@"Failed to call the delegate method when the request started");	
+	GHAssertTrue(finished,@"Failed to call the delegate method when the request finished");
+	
+	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com"]];
+	[request setDidFailSelector:@selector(delegateTestFailed:)];
+	[request setDelegate:self];
+	[request setTimeOutSeconds:0.01];
+	[request start];
+	
+	// Hacky, but this test won't run on the main thread, we have to hope the delegate methods will be called in this time
+	[[NSRunLoop currentRunLoop] runUntilDate:[NSDate dateWithTimeIntervalSinceNow:2]];
+	
+	GHAssertTrue(failed,@"Failed to call the delegate method when the request failed");
+	
+}
+
+- (void)requestStarted:(ASIHTTPRequest *)request
+{
+	started = YES;
+}
+
+- (void)requestFinished:(ASIHTTPRequest *)request
+{
+	finished = YES;
+}
+
+- (void)requestFailed:(ASIHTTPRequest *)request
+{
+	failed = YES;
+}
+
+- (void)delegateTestStarted:(ASIHTTPRequest *)request
+{
+	started = YES;
+}
+
+- (void)delegateTestFinished:(ASIHTTPRequest *)request
+{
+	finished = YES;
+}
+
+- (void)delegateTestFailed:(ASIHTTPRequest *)request
+{
+	failed = YES;
+}
+
 - (void)testConditionalGET
 {
 	ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/i/logo.png"]];

@@ -41,6 +41,10 @@ IMPORTANT
 	
 	ASINetworkQueue *addMoreRequestsQueue;
 	int requestsFinishedCount;
+	
+	BOOL started;
+	BOOL finished;
+	BOOL failed;
 }
 
 - (void)testFailure;

@@ -53,6 +53,56 @@ IMPORTANT
 }
 
 
+- (void)testDelegateMethods
+{
+	started = NO;
+	finished = NO;
+	failed = NO;
+
+	ASINetworkQueue *networkQueue = [ASINetworkQueue queue];
+	[networkQueue setDelegate:self];
+	[networkQueue setRequestDidStartSelector:@selector(delegateTestStarted:)];
+	[networkQueue setRequestDidFinishSelector:@selector(delegateTestFinished:)];
+	
+	ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com"]];
+	[networkQueue addOperation:request];
+	[networkQueue go];
+	
+	[networkQueue waitUntilAllOperationsAreFinished];
+	
+	GHAssertTrue(started,@"Failed to call the delegate method when the request started");	
+	GHAssertTrue(finished,@"Failed to call the delegate method when the request finished");
+	
+	networkQueue = [ASINetworkQueue queue];
+	[networkQueue setDelegate:self];
+	[networkQueue setRequestDidFailSelector:@selector(delegateTestFailed:)];
+	
+	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com"]];
+	[request setTimeOutSeconds:0.01];
+	[networkQueue addOperation:request];
+	[networkQueue go];
+	
+	[networkQueue waitUntilAllOperationsAreFinished];
+	
+	GHAssertTrue(failed,@"Failed to call the delegate method when the request failed");
+	
+}
+
+- (void)delegateTestStarted:(ASIHTTPRequest *)request
+{
+	started = YES;
+}
+
+- (void)delegateTestFinished:(ASIHTTPRequest *)request
+{
+	finished = YES;
+}
+
+- (void)delegateTestFailed:(ASIHTTPRequest *)request
+{
+	failed = YES;
+}
+
 
 - (void)testDownloadProgress
 {