Swiftgram/AsyncDisplayKitTests/ASBasicImageDownloaderContextTests.m
2015-03-17 11:44:10 -07:00

73 lines
2.1 KiB
Objective-C

/* Copyright (c) 2014-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import <AsyncDisplayKit/ASBasicImageDownloaderInternal.h>
#import <AsyncDisplayKit/ASBasicImageDownloader.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");
}
- (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