Swiftgram/submodules/AsyncDisplayKit/Tests/ASBasicImageDownloaderContextTests.mm
Peter 9bc996374f Add 'submodules/AsyncDisplayKit/' from commit '02bedc12816e251ad71777f9d2578329b6d2bef6'
git-subtree-dir: submodules/AsyncDisplayKit
git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632
git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
2019-06-11 18:42:43 +01:00

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//
// ASBasicImageDownloaderContextTests.mm
// Texture
//
// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
//
#import <AsyncDisplayKit/ASBasicImageDownloader.h>
#import <AsyncDisplayKit/ASBasicImageDownloaderInternal.h>
#import <OCMock/OCMock.h>
#import <XCTest/XCTest.h>
@interface ASBasicImageDownloaderContextTests : XCTestCase
@end
@implementation ASBasicImageDownloaderContextTests
- (NSURL *)randomURL
{
// random URL for each test, doesn't matter that this is not really a URL
return [NSURL URLWithString:[NSUUID UUID].UUIDString];
}
- (void)testContextCreation
{
NSURL *url = [self randomURL];
ASBasicImageDownloaderContext *c1 = [ASBasicImageDownloaderContext contextForURL:url];
ASBasicImageDownloaderContext *c2 = [ASBasicImageDownloaderContext contextForURL:url];
XCTAssert(c1 == c2, @"Context objects are not the same");
}
- (void)testContextInvalidation
{
NSURL *url = [self randomURL];
ASBasicImageDownloaderContext *context = [ASBasicImageDownloaderContext contextForURL:url];
[context cancel];
XCTAssert([context isCancelled], @"Context should be cancelled");
}
/* This test is currently unreliable. See https://github.com/facebook/AsyncDisplayKit/issues/459
- (void)testAsyncContextInvalidation
{
NSURL *url = [self randomURL];
ASBasicImageDownloaderContext *context = [ASBasicImageDownloaderContext contextForURL:url];
XCTestExpectation *expectation = [self expectationWithDescription:@"Context invalidation"];
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
[expectation fulfill];
XCTAssert([context isCancelled], @"Context should be cancelled");
});
[context cancel];
[self waitForExpectationsWithTimeout:30.0 handler:nil];
}
*/
- (void)testContextSessionCanceled
{
NSURL *url = [self randomURL];
id task = [OCMockObject mockForClass:[NSURLSessionTask class]];
ASBasicImageDownloaderContext *context = [ASBasicImageDownloaderContext contextForURL:url];
context.sessionTask = task;
[[task expect] cancel];
[context cancel];
}
@end