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Start a thrash test suite for the collection node (TextureGroup#1246)
* Split up table view thrash tests * Fix license * Fix license * Reenable thrash tests for table view * Creating the collection view thrash tests * Batch update animated tests * Thrash wildly dispatch main * Reset the thrash count * One more test * Lint * Update Tests/ASThrashUtility.h Co-Authored-By: mikezucc <mikezuccarino@gmail.com> * Tiny code style change in ASCollectionViewThrashTests.mm
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| // | ||
| // ASCollectionViewThrashTests.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 | ||
| // | ||
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| #import <XCTest/XCTest.h> | ||
| #import <AsyncDisplayKit/AsyncDisplayKit.h> | ||
| #import <AsyncDisplayKit/ASCollectionView.h> | ||
| #import <stdatomic.h> | ||
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| #import "ASThrashUtility.h" | ||
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| @interface ASCollectionViewThrashTests : XCTestCase | ||
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| @end | ||
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| @implementation ASCollectionViewThrashTests | ||
| { | ||
| // The current update, which will be logged in case of a failure. | ||
| ASThrashUpdate *_update; | ||
| BOOL _failed; | ||
| } | ||
|
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| - (void)tearDown | ||
| { | ||
| if (_failed && _update != nil) { | ||
| NSLog(@"Failed update %@: %@", _update, _update.logFriendlyBase64Representation); | ||
| } | ||
| _failed = NO; | ||
| _update = nil; | ||
| } | ||
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| // NOTE: Despite the documentation, this is not always called if an exception is caught. | ||
| - (void)recordFailureWithDescription:(NSString *)description inFile:(NSString *)filePath atLine:(NSUInteger)lineNumber expected:(BOOL)expected | ||
| { | ||
| _failed = YES; | ||
| [super recordFailureWithDescription:description inFile:filePath atLine:lineNumber expected:expected]; | ||
| } | ||
|
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| - (void)verifyDataSource:(ASThrashDataSource *)ds | ||
| { | ||
| CollectionView *collectionView = ds.collectionView; | ||
| NSArray <ASThrashTestSection *> *data = [ds data]; | ||
| for (NSInteger i = 0; i < collectionView.numberOfSections; i++) { | ||
| XCTAssertEqual([collectionView numberOfItemsInSection:i], data[i].items.count); | ||
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| for (NSInteger j = 0; j < [collectionView numberOfItemsInSection:i]; j++) { | ||
| NSIndexPath *indexPath = [NSIndexPath indexPathForItem:j inSection:i]; | ||
| ASThrashTestItem *item = data[i].items[j]; | ||
| ASThrashTestNode *node = (ASThrashTestNode *)[collectionView nodeForItemAtIndexPath:indexPath]; | ||
| XCTAssertEqualObjects(node.item, item, @"Wrong node at index path %@", indexPath); | ||
| } | ||
| } | ||
| } | ||
|
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| #pragma mark Test Methods | ||
|
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| - (void)testInitialDataRead | ||
| { | ||
| ASThrashDataSource *ds = [[ASThrashDataSource alloc] initCollectionViewDataSourceWithData:[ASThrashTestSection sectionsWithCount:kInitialSectionCount]]; | ||
| [self verifyDataSource:ds]; | ||
| } | ||
|
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| /// Replays the Base64 representation of an ASThrashUpdate from "ASThrashTestRecordedCase" file | ||
| - (void)testRecordedThrashCase | ||
| { | ||
| NSURL *caseURL = [[NSBundle bundleForClass:[self class]] URLForResource:@"ASThrashTestRecordedCase" withExtension:nil subdirectory:@"TestResources"]; | ||
| NSString *base64 = [NSString stringWithContentsOfURL:caseURL encoding:NSUTF8StringEncoding error:NULL]; | ||
|
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| _update = [ASThrashUpdate thrashUpdateWithBase64String:base64]; | ||
| if (_update == nil) { | ||
| return; | ||
| } | ||
|
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| ASThrashDataSource *ds = [[ASThrashDataSource alloc] initCollectionViewDataSourceWithData:_update.oldData]; | ||
| [self applyUpdateUsingBatchUpdates:_update | ||
| toDataSource:ds | ||
| animated:NO | ||
| useXCTestWait:YES]; | ||
| [self verifyDataSource:ds]; | ||
| } | ||
|
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| - (void)testThrashingWildly | ||
| { | ||
| for (NSInteger i = 0; i < kThrashingIterationCount; i++) { | ||
| [self setUp]; | ||
| @autoreleasepool { | ||
| NSArray *sections = [ASThrashTestSection sectionsWithCount:kInitialSectionCount]; | ||
| _update = [[ASThrashUpdate alloc] initWithData:sections]; | ||
| ASThrashDataSource *ds = [[ASThrashDataSource alloc] initCollectionViewDataSourceWithData:sections]; | ||
|
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| [self applyUpdateUsingBatchUpdates:_update | ||
| toDataSource:ds | ||
| animated:NO | ||
| useXCTestWait:NO]; | ||
| [self verifyDataSource:ds]; | ||
| [self expectationForPredicate:[ds predicateForDeallocatedHierarchy] evaluatedWithObject:(id)kCFNull handler:nil]; | ||
| } | ||
| [self waitForExpectationsWithTimeout:3 handler:nil]; | ||
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| [self tearDown]; | ||
| } | ||
| } | ||
|
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| - (void)testThrashingWildlyOnSameCollectionView | ||
| { | ||
| XCTestExpectation *expectation = [self expectationWithDescription:@"last test ran"]; | ||
| ASThrashDataSource *ds = [[ASThrashDataSource alloc] initCollectionViewDataSourceWithData:nil]; | ||
| for (NSInteger i = 0; i < 1000; i++) { | ||
| [self setUp]; | ||
| @autoreleasepool { | ||
| NSArray *sections = [ASThrashTestSection sectionsWithCount:kInitialSectionCount]; | ||
| _update = [[ASThrashUpdate alloc] initWithData:sections]; | ||
| [ds setData:sections]; | ||
| [ds.collectionView reloadData]; | ||
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| [self applyUpdateUsingBatchUpdates:_update | ||
| toDataSource:ds | ||
| animated:NO | ||
| useXCTestWait:NO]; | ||
| [self verifyDataSource:ds]; | ||
| if (i == 999) { | ||
| [expectation fulfill]; | ||
| } | ||
| } | ||
|
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| [self tearDown]; | ||
| } | ||
| [self waitForExpectationsWithTimeout:3 handler:nil]; | ||
| } | ||
|
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| - (void)testThrashingWildlyDispatchWildly | ||
| { | ||
| XCTestExpectation *expectation = [self expectationWithDescription:@"last test ran"]; | ||
| for (NSInteger i = 0; i < kThrashingIterationCount; i++) { | ||
| [self setUp]; | ||
| @autoreleasepool { | ||
| dispatch_async(dispatch_get_main_queue(), ^{ | ||
| NSArray *sections = [ASThrashTestSection sectionsWithCount:kInitialSectionCount]; | ||
| _update = [[ASThrashUpdate alloc] initWithData:sections]; | ||
| ASThrashDataSource *ds = [[ASThrashDataSource alloc] initCollectionViewDataSourceWithData:sections]; | ||
|
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| [self applyUpdateUsingBatchUpdates:_update | ||
| toDataSource:ds | ||
| animated:NO | ||
| useXCTestWait:NO]; | ||
| [self verifyDataSource:ds]; | ||
| if (i == kThrashingIterationCount-1) { | ||
| [expectation fulfill]; | ||
| } | ||
| }); | ||
| } | ||
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| [self tearDown]; | ||
| } | ||
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| [self waitForExpectationsWithTimeout:100 handler:nil]; | ||
| } | ||
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| #pragma mark Helpers | ||
|
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| - (void)applyUpdateUsingBatchUpdates:(ASThrashUpdate *)update | ||
| toDataSource:(ASThrashDataSource *)dataSource animated:(BOOL)animated | ||
| useXCTestWait:(BOOL)wait | ||
| { | ||
| CollectionView *collectionView = dataSource.collectionView; | ||
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| XCTestExpectation *expectation; | ||
| if (wait) { | ||
| expectation = [self expectationWithDescription:@"Wait for collection view to update"]; | ||
| } | ||
|
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| void (^updateBlock)() = ^ void (){ | ||
| dataSource.data = update.data; | ||
|
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| [collectionView insertSections:update.insertedSectionIndexes]; | ||
| [collectionView deleteSections:update.deletedSectionIndexes]; | ||
| [collectionView reloadSections:update.replacedSectionIndexes]; | ||
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| [update.insertedItemIndexes enumerateObjectsUsingBlock:^(NSMutableIndexSet * _Nonnull indexes, NSUInteger idx, BOOL * _Nonnull stop) { | ||
| NSArray *indexPaths = [indexes indexPathsInSection:idx]; | ||
| [collectionView insertItemsAtIndexPaths:indexPaths]; | ||
| }]; | ||
|
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| [update.deletedItemIndexes enumerateObjectsUsingBlock:^(NSMutableIndexSet * _Nonnull indexes, NSUInteger idx, BOOL * _Nonnull stop) { | ||
| NSArray *indexPaths = [indexes indexPathsInSection:idx]; | ||
| [collectionView deleteItemsAtIndexPaths:indexPaths]; | ||
| }]; | ||
|
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| [update.replacedItemIndexes enumerateObjectsUsingBlock:^(NSMutableIndexSet * _Nonnull indexes, NSUInteger idx, BOOL * _Nonnull stop) { | ||
| NSArray *indexPaths = [indexes indexPathsInSection:idx]; | ||
| [collectionView reloadItemsAtIndexPaths:indexPaths]; | ||
| }]; | ||
| }; | ||
|
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| @try { | ||
| [collectionView performBatchAnimated:animated | ||
| updates:updateBlock | ||
| completion:^(BOOL finished) { | ||
| [expectation fulfill]; | ||
| }]; | ||
| } @catch (NSException *exception) { | ||
| _failed = YES; | ||
| XCTFail("TEST FAILED"); | ||
| @throw exception; | ||
| } | ||
|
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| if (wait) { | ||
| [self waitForExpectationsWithTimeout:1 handler:nil]; | ||
| } | ||
| } | ||
|
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| @end |
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