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56 lines
1.8 KiB
Objective-C
56 lines
1.8 KiB
Objective-C
//
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// ASZBasicImageDownloaderTests.m
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// AsyncDisplayKit
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//
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// Created by Victor Mayorov on 10/06/15.
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// Copyright (c) 2015 Facebook. All rights reserved.
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//
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#import <XCTest/XCTest.h>
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#import <AsyncDisplayKit/ASBasicImageDownloader.h>
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// Z in the name to delay running until after the test instance is operating normally.
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@interface ASZBasicImageDownloaderTests : XCTestCase
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@end
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@implementation ASZBasicImageDownloaderTests
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- (void)testAsynchronouslyDownloadTheSameURLTwice
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{
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ASBasicImageDownloader *downloader = [ASBasicImageDownloader sharedImageDownloader];
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NSURL *URL = [NSURL URLWithString:@"http://wrongPath/wrongResource.png"];
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dispatch_group_t group = dispatch_group_create();
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__block BOOL firstDone = NO;
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dispatch_group_enter(group);
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[downloader downloadImageWithURL:URL
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callbackQueue:dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0)
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downloadProgressBlock:nil
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completion:^(CGImageRef image, NSError *error) {
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firstDone = YES;
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dispatch_group_leave(group);
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}];
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__block BOOL secondDone = NO;
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dispatch_group_enter(group);
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[downloader downloadImageWithURL:URL
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callbackQueue:dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0)
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downloadProgressBlock:nil
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completion:^(CGImageRef image, NSError *error) {
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secondDone = YES;
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dispatch_group_leave(group);
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}];
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XCTAssert(0 == dispatch_group_wait(group, dispatch_time(0, 10 * 1000000000)), @"URL loading takes too long");
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XCTAssert(firstDone && secondDone, @"Not all handlers has been called");
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}
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@end
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