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//

//  ASIDownloadCacheTests.m

//  Part of ASIHTTPRequest -> http://allseeing-i.com/ASIHTTPRequest

//

//  Created by Ben Copsey on 03/05/2010.

//  Copyright 2010 All-Seeing Interactive. All rights reserved.

//

#import "ASIDownloadCacheTests.h"

#import "ASIDownloadCache.h"

#import "ASIHTTPRequest.h"

// Stop clang complaining about undeclared selectors

@interface ASIDownloadCacheTests ()

- (void)runCacheOnlyCallsRequestFinishedOnceTest;

- (void)finishCached:(ASIHTTPRequest *)request;

- (void)runRedirectTest;

@end

@implementation ASIDownloadCacheTests

- (void)testDownloadCache

{

	[[ASIDownloadCache sharedCache] clearCachedResponsesForStoragePolicy:ASICacheForSessionDurationCacheStoragePolicy];

	[[ASIDownloadCache sharedCache] clearCachedResponsesForStoragePolicy:ASICachePermanentlyCacheStoragePolicy];

	[[ASIDownloadCache sharedCache] setDefaultCachePolicy:ASIUseDefaultCachePolicy];

	[ASIHTTPRequest setDefaultCache:nil];

	// Ensure a request without a download cache does not pull from the cache

	ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/cache-away"]];

	[request startSynchronous];

	BOOL success = ![request didUseCachedResponse];

	GHAssertTrue(success,@"Used cached response when we shouldn't have");

	// Make all requests use the cache

	[ASIHTTPRequest setDefaultCache:[ASIDownloadCache sharedCache]];

	// Check a request isn't setting didUseCachedResponse when the data is not in the cache

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/cache-away"]];

	[request startSynchronous];

	success = ![request didUseCachedResponse];

	GHAssertTrue(success,@"Cached response should not have been available");	

	// Test read from the cache

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/cache-away"]];

	[request startSynchronous];

	success = [request didUseCachedResponse];

	GHAssertTrue(success,@"Failed to use cached response");

	// Test preventing reads from the cache

	[[ASIDownloadCache sharedCache] setShouldRespectCacheControlHeaders:YES];

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/cache-away"]];

	[request setCachePolicy:ASIAskServerIfModifiedWhenStaleCachePolicy|ASIDoNotReadFromCacheCachePolicy];

	[request startSynchronous];

	success = ![request didUseCachedResponse];

	GHAssertTrue(success,@"Used the cache when reads were not enabled");

	//Empty the cache

	[[ASIDownloadCache sharedCache] clearCachedResponsesForStoragePolicy:ASICacheForSessionDurationCacheStoragePolicy];

	// Test preventing writes to the cache

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/cache-away"]];

	[request setCachePolicy:ASIAskServerIfModifiedWhenStaleCachePolicy|ASIDoNotWriteToCacheCachePolicy];

	[request startSynchronous];

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/cache-away"]];

	[request setCachePolicy:ASIAskServerIfModifiedWhenStaleCachePolicy];

	[request startSynchronous];

	success = ![request didUseCachedResponse];

	GHAssertTrue(success,@"Used cached response when the cache should have been empty");

	// Test respecting etag

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/content-always-new"]];

	[request startSynchronous];

	success = ![request didUseCachedResponse];

	GHAssertTrue(success,@"Used cached response when we shouldn't have");

	// Etag will be different on the second request

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/content-always-new"]];

	// Note: we are forcing it to perform a conditional GET

	[request setCachePolicy:ASIDoNotReadFromCacheCachePolicy|ASIAskServerIfModifiedCachePolicy];

	[request startSynchronous];

	success = ![request didUseCachedResponse];

	GHAssertTrue(success,@"Used cached response when we shouldn't have");

	// Test ignoring server headers

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/no-cache"]];

	[[ASIDownloadCache sharedCache] setShouldRespectCacheControlHeaders:NO];

	[request startSynchronous];

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/no-cache"]];

	[[ASIDownloadCache sharedCache] setShouldRespectCacheControlHeaders:NO];

	[request startSynchronous];

	success = [request didUseCachedResponse];

	GHAssertTrue(success,@"Failed to use cached response");

	// Test ASIOnlyLoadIfNotCachedCachePolicy

	[[ASIDownloadCache sharedCache] setShouldRespectCacheControlHeaders:YES];

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/content-always-new"]];

	[[ASIDownloadCache sharedCache] setDefaultCachePolicy:ASIOnlyLoadIfNotCachedCachePolicy];

	[request startSynchronous];

	success = [request didUseCachedResponse];

	GHAssertTrue(success,@"Failed to use cached response");

	// Test clearing the cache

	[[ASIDownloadCache sharedCache] clearCachedResponsesForStoragePolicy:ASICacheForSessionDurationCacheStoragePolicy];

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/cache-away"]];

	[request startSynchronous];

	success = ![request didUseCachedResponse];

	GHAssertTrue(success,@"Cached response should not have been available");

	// Test ASIAskServerIfModifiedWhenStaleCachePolicy

	[[ASIDownloadCache sharedCache] setDefaultCachePolicy:ASIUseDefaultCachePolicy];

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/content-always-new"]];

	[request setSecondsToCache:2];

	[request startSynchronous];

	// This request should not go to the network

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/content-always-new"]];

	[request startSynchronous];

	success = [request didUseCachedResponse];

	GHAssertTrue(success,@"Failed to use cached response");

	[NSThread sleepForTimeInterval:2];

	// This request will perform a conditional GET

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/content-always-new"]];

	[request setSecondsToCache:2];

	[request startSynchronous];

	success = ![request didUseCachedResponse];

	GHAssertTrue(success,@"Failed to use cached response");

	// Test ASIFallbackToCacheIfLoadFailsCachePolicy

	// Store something in the cache

	[request setURL:[NSURL URLWithString:@"http://"]];

	[request setResponseHeaders:[NSDictionary dictionaryWithObject:@"test" forKey:@"test"]];

	[request setRawResponseData:(NSMutableData *)[@"test" dataUsingEncoding:NSUTF8StringEncoding]];

	[[ASIDownloadCache sharedCache] storeResponseForRequest:request maxAge:0];

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://"]];

	[request setCachePolicy:ASIFallbackToCacheIfLoadFailsCachePolicy];

	[request startSynchronous];

	success = [request didUseCachedResponse];

	GHAssertTrue(success,@"Failed to use cached response");

	success = [[request responseString] isEqualToString:@"test"];

	GHAssertTrue(success,@"Failed to read cached response");

	success = [[[request responseHeaders] valueForKey:@"test"] isEqualToString:@"test"];

	GHAssertTrue(success,@"Failed to read cached response headers");

	// Remove the stuff from the cache, and try again

	[request setURL:[NSURL URLWithString:@"http://"]];

	[[ASIDownloadCache sharedCache] removeCachedDataForRequest:request];

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://"]];

	[request setCachePolicy:ASIFallbackToCacheIfLoadFailsCachePolicy];

	[request startSynchronous];

	success = ![request didUseCachedResponse];

	GHAssertTrue(success,@"Request says it used a cached response, but there wasn't one to use");

	success = ([request error] != nil);

	GHAssertTrue(success,@"Request had no error set");

	// Cache some data

	NSURL *url = [NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/cache-away"];

	request = [ASIHTTPRequest requestWithURL:url];

	[request startSynchronous];

	NSString *path = [[ASIDownloadCache sharedCache] pathToStoreCachedResponseDataForRequest:request];

	success = (path != nil);

	GHAssertTrue(success,@"Cache failed to store data");

	path = [[ASIDownloadCache sharedCache] pathToStoreCachedResponseHeadersForRequest:request];

	success = (path != nil);

	GHAssertTrue(success,@"Cache failed to store data");

	// Make sure data gets removed

	[[ASIDownloadCache sharedCache] removeCachedDataForURL:url];

	path = [[ASIDownloadCache sharedCache] pathToCachedResponseDataForURL:url];

	success = (path == nil);

	GHAssertTrue(success,@"Cache failed to remove data");

	path = [[ASIDownloadCache sharedCache] pathToCachedResponseHeadersForURL:url];

	success = (path == nil);

	GHAssertTrue(success,@"Cache failed to remove data");

	// Test ASIDontLoadCachePolicy

	[[ASIDownloadCache sharedCache] clearCachedResponsesForStoragePolicy:ASICacheForSessionDurationCacheStoragePolicy];

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/content-always-new"]];

	[request setCachePolicy:ASIDontLoadCachePolicy];

	[request startSynchronous];

	success = ![request error];

	GHAssertTrue(success,@"Request had an error");

	success = ![request contentLength];

	GHAssertTrue(success,@"Request had a response");

}

- (void)testDefaultPolicy

{

	ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/the_great_american_novel_(abridged).txt"]];

	[request setDownloadCache:[ASIDownloadCache sharedCache]];

	[request startSynchronous];

	BOOL success = ([request cachePolicy] == [[ASIDownloadCache sharedCache] defaultCachePolicy]);

	GHAssertTrue(success,@"Failed to use the cache policy from the cache");

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/the_great_american_novel_(abridged).txt"]];

	[request setDownloadCache:[ASIDownloadCache sharedCache]];

	[request setCachePolicy:ASIOnlyLoadIfNotCachedCachePolicy];

	[request startSynchronous];

	success = ([request cachePolicy] == ASIOnlyLoadIfNotCachedCachePolicy);

	GHAssertTrue(success,@"Failed to use the cache policy from the cache");

}

- (void)testNoCache

{

	// Test server no-cache headers

	[[ASIDownloadCache sharedCache] clearCachedResponsesForStoragePolicy:ASICacheForSessionDurationCacheStoragePolicy];

	NSArray *cacheHeaders = [NSArray arrayWithObjects:@"cache-control/no-cache",@"cache-control/no-store",@"pragma/no-cache",nil];

	for (NSString *cacheType in cacheHeaders) {

		NSString *url = [NSString stringWithFormat:@"http://allseeing-i.com/ASIHTTPRequest/tests/%@",cacheType];

		ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:url]];

		[request setDownloadCache:[ASIDownloadCache sharedCache]];

		[request startSynchronous];

		request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:url]];

		[request setDownloadCache:[ASIDownloadCache sharedCache]];

		[request startSynchronous];

		BOOL success = ![request didUseCachedResponse];

		GHAssertTrue(success,@"Data should not have been stored in the cache");

	}

}

- (void)testSharedCache

{

	[[ASIDownloadCache sharedCache] clearCachedResponsesForStoragePolicy:ASICacheForSessionDurationCacheStoragePolicy];

	// Make using the cache automatic

	[ASIHTTPRequest setDefaultCache:[ASIDownloadCache sharedCache]];

	ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/the_great_american_novel_(abridged).txt"]];

	[request startSynchronous];

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/the_great_american_novel_(abridged).txt"]];

	[request startSynchronous];

	BOOL success = [request didUseCachedResponse];

	GHAssertTrue(success,@"Failed to use data cached in default cache");

	[ASIHTTPRequest setDefaultCache:nil];

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/the_great_american_novel_(abridged).txt"]];

	[request startSynchronous];

	success = ![request didUseCachedResponse];

	GHAssertTrue(success,@"Should not have used data cached in default cache");

}

- (void)testExpiry

{

	[[ASIDownloadCache sharedCache] clearCachedResponsesForStoragePolicy:ASICacheForSessionDurationCacheStoragePolicy];

	[[ASIDownloadCache sharedCache] setDefaultCachePolicy:ASIAskServerIfModifiedCachePolicy];

	NSArray *headers = [NSArray arrayWithObjects:@"last-modified",@"etag",@"expires",@"max-age",nil];

	for (NSString *header in headers) {

		ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"http://allseeing-i.com/ASIHTTPRequest/tests/content-always-new/%@",header]]];

		[request setDownloadCache:[ASIDownloadCache sharedCache]];

		[request startSynchronous];

		if ([header isEqualToString:@"last-modified"]) {

			[NSThread sleepForTimeInterval:2];

		}

		request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"http://allseeing-i.com/ASIHTTPRequest/tests/content-always-new/%@",header]]];

		[request setDownloadCache:[ASIDownloadCache sharedCache]];

		[request startSynchronous];

		BOOL success = ![request didUseCachedResponse];

		GHAssertTrue(success,@"Cached data should have expired");

	}

}

- (void)testMaxAgeParsing

{

	[[ASIDownloadCache sharedCache] clearCachedResponsesForStoragePolicy:ASICacheForSessionDurationCacheStoragePolicy];

	[[ASIDownloadCache sharedCache] setDefaultCachePolicy:ASIUseDefaultCachePolicy];

	ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/cache-control-max-age-parsing"]];

	[request setDownloadCache:[ASIDownloadCache sharedCache]];

	[request startSynchronous];

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/cache-control-max-age-parsing"]];

	[request setDownloadCache:[ASIDownloadCache sharedCache]];

	[request startSynchronous];

	BOOL success = [request didUseCachedResponse];

	GHAssertTrue(success,@"Failed to use cached response");

}

- (void)testCustomExpiry

{

	[[ASIDownloadCache sharedCache] clearCachedResponsesForStoragePolicy:ASICacheForSessionDurationCacheStoragePolicy];

	[[ASIDownloadCache sharedCache] setDefaultCachePolicy:ASIUseDefaultCachePolicy];

	[[ASIDownloadCache sharedCache] setShouldRespectCacheControlHeaders:YES];

	ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/cache-away"]];

	[request setDownloadCache:[ASIDownloadCache sharedCache]];

	[request setSecondsToCache:-2];

	[request startSynchronous];

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/cache-away"]];

	[request setDownloadCache:[ASIDownloadCache sharedCache]];

	[request startSynchronous];

	BOOL success = ![request didUseCachedResponse];

	GHAssertTrue(success,@"Cached data should have expired");

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/cache-away"]];

	[request setDownloadCache:[ASIDownloadCache sharedCache]];

	[request setSecondsToCache:20];

	[request startSynchronous];

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/cache-away"]];

	[request setDownloadCache:[ASIDownloadCache sharedCache]];

	[request startSynchronous];

	success = [request didUseCachedResponse];

	GHAssertTrue(success,@"Cached data should have been used");

}

- (void)test304

{

	NSURL *url = [NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/the_great_american_novel_(abridged).txt"];

	// Test default cache policy

	[[ASIDownloadCache sharedCache] clearCachedResponsesForStoragePolicy:ASICacheForSessionDurationCacheStoragePolicy];

	[[ASIDownloadCache sharedCache] setDefaultCachePolicy:ASIUseDefaultCachePolicy];

	ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:url];

	[request setDownloadCache:[ASIDownloadCache sharedCache]];

	[request startSynchronous];

	request = [ASIHTTPRequest requestWithURL:url];

	[request setDownloadCache:[ASIDownloadCache sharedCache]];

	[request startSynchronous];

	BOOL success = ([request responseStatusCode] == 200);

	GHAssertTrue(success,@"Failed to perform a conditional get");

	success = [request didUseCachedResponse];

	GHAssertTrue(success,@"Cached data should have been used");

	success = ([[request responseData] length]);

	GHAssertTrue(success,@"Response was empty");

	// Test 304 updates expiry date

	url = [NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/content_not_modified_but_expires_tomorrow"];

	request = [ASIHTTPRequest requestWithURL:url];

	[request setDownloadCache:[ASIDownloadCache sharedCache]];

	[request startSynchronous];

	NSTimeInterval expiryTimestamp = [[[[ASIDownloadCache sharedCache] cachedResponseHeadersForURL:url] objectForKey:@"X-ASIHTTPRequest-Expires"] doubleValue];

	// Wait to give the expiry date a chance to change

	sleep(2);

	request = [ASIHTTPRequest requestWithURL:url];

	[request setCachePolicy:ASIAskServerIfModifiedCachePolicy];

	[request setDownloadCache:[ASIDownloadCache sharedCache]];

	[request startSynchronous];

	success = [request didUseCachedResponse];

	GHAssertTrue(success, @"Cached data should have been used");

	NSTimeInterval newExpiryTimestamp = [[[[ASIDownloadCache sharedCache] cachedResponseHeadersForURL:url] objectForKey:@"X-ASIHTTPRequest-Expires"] doubleValue];

	NSLog(@"%@",[request responseString]);

	success = (newExpiryTimestamp > expiryTimestamp);

	GHAssertTrue(success, @"Failed to update expiry timestamp on 304");

}

- (void)testStringEncoding

{

	[ASIHTTPRequest setDefaultCache:[ASIDownloadCache sharedCache]];

	[[ASIDownloadCache sharedCache] setShouldRespectCacheControlHeaders:NO];

	[[ASIDownloadCache sharedCache] clearCachedResponsesForStoragePolicy:ASICacheForSessionDurationCacheStoragePolicy];

	[[ASIDownloadCache sharedCache] setDefaultCachePolicy:ASIOnlyLoadIfNotCachedCachePolicy];

	NSURL *url = [NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/Character-Encoding/UTF-16"];

	ASIHTTPRequest *request = [[[ASIHTTPRequest alloc] initWithURL:url] autorelease];

	[request startSynchronous];

	BOOL success = ([request responseEncoding] == NSUnicodeStringEncoding);

	GHAssertTrue(success,@"Got the wrong encoding back, cannot proceed with test");

	request = [[[ASIHTTPRequest alloc] initWithURL:url] autorelease];

	[request startSynchronous];

	success = [request responseEncoding] == NSUnicodeStringEncoding;

	GHAssertTrue(success,@"Failed to set the correct encoding on the cached response");

	[ASIHTTPRequest setDefaultCache:nil];

}

- (void)testCookies

{

	[ASIHTTPRequest setDefaultCache:[ASIDownloadCache sharedCache]];

	[[ASIDownloadCache sharedCache] setShouldRespectCacheControlHeaders:NO];

	[[ASIDownloadCache sharedCache] clearCachedResponsesForStoragePolicy:ASICacheForSessionDurationCacheStoragePolicy];

	[[ASIDownloadCache sharedCache] setDefaultCachePolicy:ASIOnlyLoadIfNotCachedCachePolicy];

	NSURL *url = [NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/set_cookie"];

	ASIHTTPRequest *request = [[[ASIHTTPRequest alloc] initWithURL:url] autorelease];

	[request startSynchronous];

	NSArray *cookies = [request responseCookies];

	BOOL success = ([cookies count]);

	GHAssertTrue(success,@"Got no cookies back, cannot proceed with test");

	request = [[[ASIHTTPRequest alloc] initWithURL:url] autorelease];

	[request startSynchronous];

	NSUInteger i;

	for (i=0; i<[cookies count]; i++) {

		if (![[[cookies objectAtIndex:i] name] isEqualToString:[[[request responseCookies] objectAtIndex:i] name]]) {

			GHAssertTrue(success,@"Failed to set response cookies correctly");

			return;

		}

	}

	[ASIHTTPRequest setDefaultCache:nil];

}

// Text fix for a bug where the didFinishSelector would be called twice for a cached response using ASIReloadIfDifferentCachePolicy

- (void)testCacheOnlyCallsRequestFinishedOnce

{

	// Run this request on the main thread to force delegate calls to happen synchronously

	[self performSelectorOnMainThread:@selector(runCacheOnlyCallsRequestFinishedOnceTest) withObject:nil waitUntilDone:YES];

}

- (void)runCacheOnlyCallsRequestFinishedOnceTest

{

	[[ASIDownloadCache sharedCache] clearCachedResponsesForStoragePolicy:ASICacheForSessionDurationCacheStoragePolicy];

	ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/i/logo.png"]];

	[request setCachePolicy:ASIUseDefaultCachePolicy];

	[request setDownloadCache:[ASIDownloadCache sharedCache]];

	[request setDelegate:self];

	[request startSynchronous];

	requestsFinishedCount = 0;

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/i/logo.png"]];

	[request setCachePolicy:ASIUseDefaultCachePolicy];

	[request setDownloadCache:[ASIDownloadCache sharedCache]];

	[request setDidFinishSelector:@selector(finishCached:)];

	[request setDelegate:self];

	[request startSynchronous];

	BOOL success = (requestsFinishedCount == 1);

	GHAssertTrue(success,@"didFinishSelector called more than once");

}

- (void)finishCached:(ASIHTTPRequest *)request

{

	requestsFinishedCount++;

}

- (void)testRedirect

{

	// Run this request on the main thread to force delegate calls to happen synchronously

	[self performSelectorOnMainThread:@selector(runRedirectTest) withObject:nil waitUntilDone:YES];

}

- (void)runRedirectTest

{

	[[ASIDownloadCache sharedCache] clearCachedResponsesForStoragePolicy:ASICacheForSessionDurationCacheStoragePolicy];

	[[ASIDownloadCache sharedCache] clearCachedResponsesForStoragePolicy:ASICachePermanentlyCacheStoragePolicy];

	[[ASIDownloadCache sharedCache] setDefaultCachePolicy:ASIUseDefaultCachePolicy];

	[ASIHTTPRequest setDefaultCache:[ASIDownloadCache sharedCache]];

	ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/cached-redirect"]];

	[request startSynchronous];

	BOOL success = ([[[request url] absoluteString] isEqualToString:@"http://allseeing-i.com/i/logo.png"]);

	GHAssertTrue(success,@"Request did not redirect correctly, cannot proceed with test");

	requestRedirectedWasCalled = NO;

	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/cached-redirect"]];

	[request setDelegate:self];

	[request startSynchronous];

	success = ([request didUseCachedResponse]);

	GHAssertTrue(success,@"Failed to cache final response");

	GHAssertTrue(requestRedirectedWasCalled,@"Failed to call requestRedirected");

}

- (void)requestRedirected:(ASIHTTPRequest *)redirected

{

	requestRedirectedWasCalled = YES;

}

- (void)request:(ASIHTTPRequest *)request willRedirectToURL:(NSURL *)newURL

{

	BOOL success = ([[newURL absoluteString] isEqualToString:@"http://allseeing-i.com/i/logo.png"]);

	GHAssertTrue(success,@"Request did not redirect correctly, cannot proceed with test");

	success = ([request didUseCachedResponse]);

	GHAssertTrue(success,@"Failed to cache redirect response");

	[request redirectToURL:newURL];

}

@end