mirror of
https://github.com/HackPlan/AsyncDisplayKit.git
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777 lines
28 KiB
Objective-C
777 lines
28 KiB
Objective-C
//
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// ASCollectionViewThrashTests.m
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// AsyncDisplayKit
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//
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// Created by Adlai Holler on 6/21/16.
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// Copyright © 2016 Facebook. All rights reserved.
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//
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#import <XCTest/XCTest.h>
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#import <Foundation/Foundation.h>
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#import <AsyncDisplayKit/AsyncDisplayKit.h>
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#import "ASTableViewInternal.h"
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#import "ASCollectionViewInternal.h"
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#import "ASAssert.h"
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// Set to 1 to use UITableView/UICollectionView and see if the issue still exists.
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#define USE_UIKIT_REFERENCE 0
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#if USE_UIKIT_REFERENCE
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#define TableView UITableView
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#define CollectionView UICollectionView
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#define kCellReuseID @"ASThrashTestCellReuseID"
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#define kHeaderReuseID @"ASThrashTestHeaderReuseID"
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#else
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#define TableView ASTableView
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#define CollectionView ASCollectionView
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#endif
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#define kInitialSectionCount 10
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#define kInitialItemCount 10
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#define kMinimumItemCount 5
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#define kMinimumSectionCount 3
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#define kFickleness 0.1
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#define kThrashingIterationCount 100
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static NSString *ASThrashArrayDescription(NSArray *array) {
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NSMutableString *str = [NSMutableString stringWithString:@"(\n"];
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NSInteger i = 0;
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for (id obj in array) {
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[str appendFormat:@"\t[%ld]: \"%@\",\n", (long)i, obj];
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i += 1;
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}
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[str appendString:@")"];
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return str;
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}
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static volatile int32_t ASThrashTestItemNextID = 1;
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@interface ASThrashTestItem: NSObject <NSSecureCoding>
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@property (nonatomic, readonly) NSInteger itemID;
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- (CGFloat)rowHeight;
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@end
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@implementation ASThrashTestItem
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+ (BOOL)supportsSecureCoding {
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return YES;
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}
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- (instancetype)init {
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self = [super init];
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if (self != nil) {
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_itemID = OSAtomicIncrement32(&ASThrashTestItemNextID);
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}
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return self;
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}
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- (instancetype)initWithCoder:(NSCoder *)aDecoder {
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self = [super init];
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if (self != nil) {
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_itemID = [aDecoder decodeIntegerForKey:@"itemID"];
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NSAssert(_itemID > 0, @"Failed to decode %@", self);
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}
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return self;
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}
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- (void)encodeWithCoder:(NSCoder *)aCoder {
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[aCoder encodeInteger:_itemID forKey:@"itemID"];
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}
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+ (NSMutableArray <ASThrashTestItem *> *)itemsWithCount:(NSInteger)count {
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NSMutableArray *result = [NSMutableArray arrayWithCapacity:count];
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for (NSInteger i = 0; i < count; i += 1) {
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[result addObject:[[ASThrashTestItem alloc] init]];
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}
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return result;
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}
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- (CGFloat)rowHeight {
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return (self.itemID % 200) ?: 44;
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}
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- (NSString *)description {
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return [NSString stringWithFormat:@"<Item %lu>", (unsigned long)_itemID];
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}
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@end
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@interface ASThrashTestSection: NSObject <NSCopying, NSSecureCoding>
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@property (nonatomic, strong, readonly) NSMutableArray *items;
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@property (nonatomic, readonly) NSInteger sectionID;
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- (CGFloat)headerHeight;
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@end
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static volatile int32_t ASThrashTestSectionNextID = 1;
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@implementation ASThrashTestSection
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/// Create an array of sections with the given count
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+ (NSMutableArray <ASThrashTestSection *> *)sectionsWithCount:(NSInteger)count {
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NSMutableArray *result = [NSMutableArray arrayWithCapacity:count];
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for (NSInteger i = 0; i < count; i += 1) {
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[result addObject:[[ASThrashTestSection alloc] initWithCount:kInitialItemCount]];
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}
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return result;
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}
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- (instancetype)initWithCount:(NSInteger)count {
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self = [super init];
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if (self != nil) {
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_sectionID = OSAtomicIncrement32(&ASThrashTestSectionNextID);
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_items = [ASThrashTestItem itemsWithCount:count];
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}
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return self;
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}
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- (instancetype)init {
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return [self initWithCount:0];
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}
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- (instancetype)initWithCoder:(NSCoder *)aDecoder {
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self = [super init];
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if (self != nil) {
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_items = [aDecoder decodeObjectOfClass:[NSArray class] forKey:@"items"];
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_sectionID = [aDecoder decodeIntegerForKey:@"sectionID"];
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NSAssert(_sectionID > 0, @"Failed to decode %@", self);
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}
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return self;
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}
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+ (BOOL)supportsSecureCoding {
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return YES;
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}
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- (void)encodeWithCoder:(NSCoder *)aCoder {
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[aCoder encodeObject:_items forKey:@"items"];
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[aCoder encodeInteger:_sectionID forKey:@"sectionID"];
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}
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- (CGFloat)headerHeight {
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return self.sectionID % 400 ?: 44;
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}
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- (NSString *)description {
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return [NSString stringWithFormat:@"<Section %zu: itemCount=%zu, items=%@>", _sectionID, self.items.count, ASThrashArrayDescription(self.items)];
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}
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- (id)copyWithZone:(NSZone *)zone {
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ASThrashTestSection *copy = [[ASThrashTestSection alloc] init];
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copy->_sectionID = _sectionID;
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copy->_items = [_items mutableCopy];
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return copy;
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}
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- (BOOL)isEqual:(id)object {
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if ([object isKindOfClass:[ASThrashTestSection class]]) {
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return [(ASThrashTestSection *)object sectionID] == _sectionID;
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} else {
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return NO;
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}
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}
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@end
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#if !USE_UIKIT_REFERENCE
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@interface ASThrashTestItemNode: ASCellNode
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@property (nonatomic, strong) ASThrashTestItem *item;
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@end
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@implementation ASThrashTestItemNode
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@end
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@interface ASThrashTestSectionNode: ASCellNode
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@property (nonatomic, strong) ASThrashTestSection *section;
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@end
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@implementation ASThrashTestSectionNode
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@end
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#endif
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@interface ASThrashDataSource: NSObject
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@property (nonatomic, strong, readonly) UIWindow *window;
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@property (nonatomic, strong) NSArray <ASThrashTestSection *> *data;
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@end
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@implementation ASThrashDataSource
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- (instancetype)initWithData:(NSArray <ASThrashTestSection *> *)data {
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self = [super init];
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if (self != nil) {
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_data = [[NSArray alloc] initWithArray:data copyItems:YES];
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_window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
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ASDisplayNodeAssert(NO == [self isMemberOfClass:[ASThrashDataSource class]], @"ASThrashDataSource is an abstract class. Don't instantiate it!");
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}
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return self;
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}
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@end
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@interface ASThrashTableDataSource: ASThrashDataSource
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#if USE_UIKIT_REFERENCE
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<UITableViewDataSource, UITableViewDelegate>
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#else
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<ASTableDataSource, ASTableDelegate>
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#endif
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@property (nullable, nonatomic, strong, readonly) TableView *tableView;
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@end
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@interface ASThrashCollectionDataSource: ASThrashDataSource
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#if USE_UIKIT_REFERENCE
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<UICollectionViewDataSource, UICollectionViewDelegateFlowLayout>
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#else
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<ASCollectionDataSource, ASCollectionDelegate>
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#endif
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@property (nullable, nonatomic, strong, readonly) CollectionView *collectionView;
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@end
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@implementation ASThrashCollectionDataSource
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- (instancetype)initWithData:(NSArray <ASThrashTestSection *> *)data {
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self = [super initWithData:data];
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if (self != nil) {
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UICollectionViewLayout *layout = [[UICollectionViewFlowLayout alloc] init];
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_collectionView = [[CollectionView alloc] initWithFrame:self.window.bounds collectionViewLayout:layout];
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[self.window addSubview:_collectionView];
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#if USE_UIKIT_REFERENCE
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_collectionView.dataSource = self;
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_collectionView.delegate = self;
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[_collectionView registerClass:[UICollectionViewCell class] forCellWithReuseIdentifier:kCellReuseID];
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[_collectionView registerClass:[UICollectionReusableView class] forSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:kHeaderReuseID];
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#else
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[_collectionView registerSupplementaryNodeOfKind:UICollectionElementKindSectionHeader];
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_collectionView.asyncDelegate = self;
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_collectionView.asyncDataSource = self;
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[_collectionView reloadDataImmediately];
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#endif
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[_collectionView layoutIfNeeded];
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}
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return self;
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}
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- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
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return self.data[section].items.count;
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}
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- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {
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return self.data.count;
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}
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- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout referenceSizeForHeaderInSection:(NSInteger)section {
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return CGSizeMake(0, self.data[section].headerHeight);
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}
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#if USE_UIKIT_REFERENCE
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#pragma mark - UICollectionViewDataSource
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- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
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return [collectionView dequeueReusableCellWithReuseIdentifier:kCellReuseID forIndexPath:indexPath];
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}
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- (UICollectionReusableView *)collectionView:(UICollectionView *)collectionView viewForSupplementaryElementOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath {
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return [collectionView dequeueReusableSupplementaryViewOfKind:kind withReuseIdentifier:kHeaderReuseID forIndexPath:indexPath];
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}
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- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
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ASThrashTestItem *item = self.data[indexPath.section].items[indexPath.item];
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return CGSizeMake(item.rowHeight, item.rowHeight);
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}
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#else
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- (ASCellNodeBlock)collectionView:(ASCollectionView *)collectionView nodeBlockForItemAtIndexPath:(NSIndexPath *)indexPath {
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ASThrashTestItem *item = self.data[indexPath.section].items[indexPath.item];
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return ^{
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ASThrashTestItemNode *node = [[ASThrashTestItemNode alloc] init];
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node.item = item;
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return node;
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};
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}
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- (ASCellNode *)collectionView:(ASCollectionView *)collectionView nodeForSupplementaryElementOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath {
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return [[ASCellNode alloc] init];
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}
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#endif
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@end
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@implementation ASThrashTableDataSource
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- (instancetype)initWithData:(NSArray <ASThrashTestSection *> *)data {
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self = [super initWithData:data];
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if (self != nil) {
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_tableView = [[TableView alloc] initWithFrame:self.window.bounds style:UITableViewStylePlain];
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[self.window addSubview:_tableView];
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#if USE_UIKIT_REFERENCE
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_tableView.dataSource = self;
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_tableView.delegate = self;
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[_tableView registerClass:[UITableViewCell class] forCellReuseIdentifier:kCellReuseID];
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#else
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_tableView.asyncDelegate = self;
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_tableView.asyncDataSource = self;
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[_tableView reloadDataImmediately];
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#endif
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[_tableView layoutIfNeeded];
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}
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return self;
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}
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- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
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return self.data[section].items.count;
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}
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- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
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return self.data.count;
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}
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- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section {
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return self.data[section].headerHeight;
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}
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#if USE_UIKIT_REFERENCE
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- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
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return [tableView dequeueReusableCellWithIdentifier:kCellReuseID forIndexPath:indexPath];
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}
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- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
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ASThrashTestItem *item = self.data[indexPath.section].items[indexPath.item];
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return item.rowHeight;
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}
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#else
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- (ASCellNodeBlock)tableView:(ASTableView *)tableView nodeBlockForRowAtIndexPath:(NSIndexPath *)indexPath {
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ASThrashTestItem *item = self.data[indexPath.section].items[indexPath.item];
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return ^{
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ASThrashTestItemNode *node = [[ASThrashTestItemNode alloc] init];
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node.item = item;
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return node;
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};
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}
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#endif
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@end
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@implementation NSIndexSet (ASThrashHelpers)
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- (NSArray <NSIndexPath *> *)indexPathsInSection:(NSInteger)section {
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NSMutableArray *result = [NSMutableArray arrayWithCapacity:self.count];
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[self enumerateIndexesUsingBlock:^(NSUInteger idx, BOOL * _Nonnull stop) {
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[result addObject:[NSIndexPath indexPathForItem:idx inSection:section]];
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}];
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return result;
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}
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/// `insertMode` means that for each index selected, the max goes up by one.
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+ (NSMutableIndexSet *)randomIndexesLessThan:(NSInteger)max probability:(float)probability insertMode:(BOOL)insertMode {
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NSMutableIndexSet *indexes = [[NSMutableIndexSet alloc] init];
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u_int32_t cutoff = probability * 100;
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for (NSInteger i = 0; i < max; i++) {
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if (arc4random_uniform(100) < cutoff) {
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[indexes addIndex:i];
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if (insertMode) {
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max += 1;
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}
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}
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}
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return indexes;
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}
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@end
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static NSInteger ASThrashUpdateCurrentSerializationVersion = 1;
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@interface ASThrashUpdate : NSObject <NSSecureCoding>
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@property (nonatomic, strong, readonly) NSArray<ASThrashTestSection *> *oldData;
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@property (nonatomic, strong, readonly) NSMutableArray<ASThrashTestSection *> *data;
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@property (nonatomic, strong, readonly) NSMutableIndexSet *deletedSectionIndexes;
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@property (nonatomic, strong, readonly) NSMutableIndexSet *replacedSectionIndexes;
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/// The sections used to replace the replaced sections.
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@property (nonatomic, strong, readonly) NSMutableArray<ASThrashTestSection *> *replacingSections;
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@property (nonatomic, strong, readonly) NSMutableIndexSet *insertedSectionIndexes;
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@property (nonatomic, strong, readonly) NSMutableArray<ASThrashTestSection *> *insertedSections;
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@property (nonatomic, strong, readonly) NSMutableArray<NSMutableIndexSet *> *deletedItemIndexes;
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@property (nonatomic, strong, readonly) NSMutableArray<NSMutableIndexSet *> *replacedItemIndexes;
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/// The items used to replace the replaced items.
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@property (nonatomic, strong, readonly) NSMutableArray<NSArray <ASThrashTestItem *> *> *replacingItems;
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@property (nonatomic, strong, readonly) NSMutableArray<NSMutableIndexSet *> *insertedItemIndexes;
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@property (nonatomic, strong, readonly) NSMutableArray<NSArray <ASThrashTestItem *> *> *insertedItems;
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- (instancetype)initWithData:(NSArray<ASThrashTestSection *> *)data;
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+ (ASThrashUpdate *)thrashUpdateWithBase64String:(NSString *)base64;
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- (NSString *)base64Representation;
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@end
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@implementation ASThrashUpdate
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- (instancetype)initWithData:(NSArray<ASThrashTestSection *> *)data {
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self = [super init];
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if (self != nil) {
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_data = [[NSMutableArray alloc] initWithArray:data copyItems:YES];
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_oldData = [[NSArray alloc] initWithArray:data copyItems:YES];
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_deletedItemIndexes = [NSMutableArray array];
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_replacedItemIndexes = [NSMutableArray array];
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_insertedItemIndexes = [NSMutableArray array];
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_replacingItems = [NSMutableArray array];
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_insertedItems = [NSMutableArray array];
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// Randomly reload some items
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for (ASThrashTestSection *section in _data) {
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NSMutableIndexSet *indexes = [NSIndexSet randomIndexesLessThan:section.items.count probability:kFickleness insertMode:NO];
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NSArray *newItems = [ASThrashTestItem itemsWithCount:indexes.count];
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[section.items replaceObjectsAtIndexes:indexes withObjects:newItems];
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[_replacingItems addObject:newItems];
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[_replacedItemIndexes addObject:indexes];
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}
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// Randomly replace some sections
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_replacedSectionIndexes = [NSIndexSet randomIndexesLessThan:_data.count probability:kFickleness insertMode:NO];
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_replacingSections = [ASThrashTestSection sectionsWithCount:_replacedSectionIndexes.count];
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[_data replaceObjectsAtIndexes:_replacedSectionIndexes withObjects:_replacingSections];
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// Randomly delete some items
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[_data enumerateObjectsUsingBlock:^(ASThrashTestSection * _Nonnull section, NSUInteger idx, BOOL * _Nonnull stop) {
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if (section.items.count >= kMinimumItemCount) {
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NSMutableIndexSet *indexes = [NSIndexSet randomIndexesLessThan:section.items.count probability:kFickleness insertMode:NO];
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/// Cannot reload & delete the same item.
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[indexes removeIndexes:_replacedItemIndexes[idx]];
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[section.items removeObjectsAtIndexes:indexes];
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[_deletedItemIndexes addObject:indexes];
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} else {
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[_deletedItemIndexes addObject:[NSMutableIndexSet indexSet]];
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}
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}];
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// Randomly delete some sections
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if (_data.count >= kMinimumSectionCount) {
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_deletedSectionIndexes = [NSIndexSet randomIndexesLessThan:_data.count probability:kFickleness insertMode:NO];
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} else {
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_deletedSectionIndexes = [NSMutableIndexSet indexSet];
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}
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// Cannot replace & delete the same section.
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[_deletedSectionIndexes removeIndexes:_replacedSectionIndexes];
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// Cannot delete/replace item in deleted/replaced section
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[_deletedSectionIndexes enumerateIndexesUsingBlock:^(NSUInteger idx, BOOL * _Nonnull stop) {
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[_replacedItemIndexes[idx] removeAllIndexes];
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[_deletedItemIndexes[idx] removeAllIndexes];
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}];
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[_replacedSectionIndexes enumerateIndexesUsingBlock:^(NSUInteger idx, BOOL * _Nonnull stop) {
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[_replacedItemIndexes[idx] removeAllIndexes];
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[_deletedItemIndexes[idx] removeAllIndexes];
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}];
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[_data removeObjectsAtIndexes:_deletedSectionIndexes];
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// Randomly insert some sections
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_insertedSectionIndexes = [NSIndexSet randomIndexesLessThan:(_data.count + 1) probability:kFickleness insertMode:YES];
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_insertedSections = [ASThrashTestSection sectionsWithCount:_insertedSectionIndexes.count];
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[_data insertObjects:_insertedSections atIndexes:_insertedSectionIndexes];
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||
// Randomly insert some items
|
||
for (ASThrashTestSection *section in _data) {
|
||
// Only insert items into the old sections – not replaced/inserted sections.
|
||
if ([_oldData containsObject:section]) {
|
||
NSMutableIndexSet *indexes = [NSIndexSet randomIndexesLessThan:(section.items.count + 1) probability:kFickleness insertMode:YES];
|
||
NSArray *newItems = [ASThrashTestItem itemsWithCount:indexes.count];
|
||
[section.items insertObjects:newItems atIndexes:indexes];
|
||
[_insertedItems addObject:newItems];
|
||
[_insertedItemIndexes addObject:indexes];
|
||
} else {
|
||
[_insertedItems addObject:@[]];
|
||
[_insertedItemIndexes addObject:[NSMutableIndexSet indexSet]];
|
||
}
|
||
}
|
||
}
|
||
return self;
|
||
}
|
||
|
||
+ (BOOL)supportsSecureCoding {
|
||
return YES;
|
||
}
|
||
|
||
+ (ASThrashUpdate *)thrashUpdateWithBase64String:(NSString *)base64 {
|
||
return [NSKeyedUnarchiver unarchiveObjectWithData:[[NSData alloc] initWithBase64EncodedString:base64 options:kNilOptions]];
|
||
}
|
||
|
||
- (NSString *)base64Representation {
|
||
return [[NSKeyedArchiver archivedDataWithRootObject:self] base64EncodedStringWithOptions:kNilOptions];
|
||
}
|
||
|
||
- (void)encodeWithCoder:(NSCoder *)aCoder {
|
||
NSDictionary *dict = [self dictionaryWithValuesForKeys:@[
|
||
@"oldData",
|
||
@"data",
|
||
@"deletedSectionIndexes",
|
||
@"replacedSectionIndexes",
|
||
@"replacingSections",
|
||
@"insertedSectionIndexes",
|
||
@"insertedSections",
|
||
@"deletedItemIndexes",
|
||
@"replacedItemIndexes",
|
||
@"replacingItems",
|
||
@"insertedItemIndexes",
|
||
@"insertedItems"
|
||
]];
|
||
[aCoder encodeObject:dict forKey:@"_dict"];
|
||
[aCoder encodeInteger:ASThrashUpdateCurrentSerializationVersion forKey:@"_version"];
|
||
}
|
||
|
||
- (instancetype)initWithCoder:(NSCoder *)aDecoder {
|
||
self = [super init];
|
||
if (self != nil) {
|
||
NSAssert(ASThrashUpdateCurrentSerializationVersion == [aDecoder decodeIntegerForKey:@"_version"], @"This thrash update was archived from a different version and can't be read. Sorry.");
|
||
NSDictionary *dict = [aDecoder decodeObjectOfClass:[NSDictionary class] forKey:@"_dict"];
|
||
[self setValuesForKeysWithDictionary:dict];
|
||
}
|
||
return self;
|
||
}
|
||
|
||
- (NSString *)description {
|
||
return [NSString stringWithFormat:@"<ASThrashUpdate %p:\nOld data: %@\nDeleted items: %@\nDeleted sections: %@\nReplaced items: %@\nReplaced sections: %@\nInserted items: %@\nInserted sections: %@\nNew data: %@>", self, ASThrashArrayDescription(_oldData), ASThrashArrayDescription(_deletedItemIndexes), _deletedSectionIndexes, ASThrashArrayDescription(_replacedItemIndexes), _replacedSectionIndexes, ASThrashArrayDescription(_insertedItemIndexes), _insertedSectionIndexes, ASThrashArrayDescription(_data)];
|
||
}
|
||
|
||
- (NSString *)logFriendlyBase64Representation {
|
||
return [NSString stringWithFormat:@"\n\n**********\nBase64 Representation:\n**********\n%@\n**********\nEnd Base64 Representation\n**********", self.base64Representation];
|
||
}
|
||
|
||
@end
|
||
|
||
@interface ASCollectionViewThrashTests: XCTestCase
|
||
@end
|
||
|
||
@implementation ASCollectionViewThrashTests {
|
||
// The current update, which will be logged in case of a failure.
|
||
ASThrashUpdate *_update;
|
||
BOOL _failed;
|
||
}
|
||
|
||
#pragma mark Overrides
|
||
|
||
- (void)tearDown {
|
||
if (_failed && _update != nil) {
|
||
NSLog(@"Failed update %@: %@", _update, _update.logFriendlyBase64Representation);
|
||
}
|
||
_failed = NO;
|
||
_update = nil;
|
||
}
|
||
|
||
// 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];
|
||
}
|
||
|
||
#pragma mark Test Methods
|
||
|
||
- (void)testTableInitialDataRead {
|
||
ASThrashTableDataSource *ds = [[ASThrashTableDataSource alloc] initWithData:[ASThrashTestSection sectionsWithCount:kInitialSectionCount]];
|
||
[self verifyTableDataSource:ds];
|
||
}
|
||
|
||
- (void)testCollectionInitialDataRead {
|
||
ASThrashCollectionDataSource *ds = [[ASThrashCollectionDataSource alloc] initWithData:[ASThrashTestSection sectionsWithCount:kInitialSectionCount]];
|
||
[self verifyCollectionDataSource:ds];
|
||
}
|
||
|
||
/// Replays the Base64 representation of an ASThrashUpdate from "ASThrashTestRecordedCase" file on a table view
|
||
- (void)DISABLED_testTableRecordedThrashCase {
|
||
NSURL *caseURL = [[NSBundle bundleForClass:[self class]] URLForResource:@"ASThrashTestRecordedCase" withExtension:nil subdirectory:@"TestResources"];
|
||
NSString *base64 = [NSString stringWithContentsOfURL:caseURL encoding:NSUTF8StringEncoding error:NULL];
|
||
|
||
_update = [ASThrashUpdate thrashUpdateWithBase64String:base64];
|
||
if (_update == nil) {
|
||
return;
|
||
}
|
||
|
||
ASThrashTableDataSource *ds = [[ASThrashTableDataSource alloc] initWithData:_update.oldData];
|
||
#if !USE_UIKIT_REFERENCE
|
||
ds.tableView.test_enableSuperUpdateCallLogging = YES;
|
||
#endif
|
||
[self applyUpdate:_update toTableDataSource:ds];
|
||
[self verifyTableDataSource:ds];
|
||
}
|
||
|
||
/// Replays the Base64 representation of an ASThrashUpdate from "ASThrashTestRecordedCase" file on a table view
|
||
- (void)DISABLED_testCollectionRecordedThrashCase {
|
||
NSURL *caseURL = [[NSBundle bundleForClass:[self class]] URLForResource:@"ASThrashTestRecordedCase" withExtension:nil subdirectory:@"TestResources"];
|
||
NSString *base64 = [NSString stringWithContentsOfURL:caseURL encoding:NSUTF8StringEncoding error:NULL];
|
||
|
||
_update = [ASThrashUpdate thrashUpdateWithBase64String:base64];
|
||
if (_update == nil) {
|
||
return;
|
||
}
|
||
|
||
ASThrashCollectionDataSource *ds = [[ASThrashCollectionDataSource alloc] initWithData:_update.oldData];
|
||
#if !USE_UIKIT_REFERENCE
|
||
ds.collectionView.test_enableSuperUpdateCallLogging = YES;
|
||
#endif
|
||
[self applyUpdate:_update toCollectionDataSource:ds];
|
||
[self verifyCollectionDataSource:ds];
|
||
}
|
||
|
||
- (void)testTableThrashingWildly {
|
||
for (NSInteger i = 0; i < kThrashingIterationCount; i++) {
|
||
[self setUp];
|
||
ASThrashTableDataSource *ds = [[ASThrashTableDataSource alloc] initWithData:[ASThrashTestSection sectionsWithCount:kInitialSectionCount]];
|
||
_update = [[ASThrashUpdate alloc] initWithData:ds.data];
|
||
|
||
[self applyUpdate:_update toTableDataSource:ds];
|
||
[self verifyTableDataSource:ds];
|
||
[self tearDown];
|
||
}
|
||
}
|
||
|
||
- (void)testCollectionThrashingWildly {
|
||
for (NSInteger i = 0; i < kThrashingIterationCount; i++) {
|
||
[self setUp];
|
||
ASThrashCollectionDataSource *ds = [[ASThrashCollectionDataSource alloc] initWithData:[ASThrashTestSection sectionsWithCount:kInitialSectionCount]];
|
||
_update = [[ASThrashUpdate alloc] initWithData:ds.data];
|
||
|
||
[self applyUpdate:_update toCollectionDataSource:ds];
|
||
[self verifyCollectionDataSource:ds];
|
||
[self tearDown];
|
||
}
|
||
}
|
||
|
||
#pragma mark Helpers
|
||
|
||
- (void)applyUpdate:(ASThrashUpdate *)update toTableDataSource:(ASThrashTableDataSource *)dataSource {
|
||
TableView *tableView = dataSource.tableView;
|
||
|
||
[tableView beginUpdates];
|
||
dataSource.data = update.data;
|
||
|
||
[tableView insertSections:update.insertedSectionIndexes withRowAnimation:UITableViewRowAnimationNone];
|
||
|
||
[tableView deleteSections:update.deletedSectionIndexes withRowAnimation:UITableViewRowAnimationNone];
|
||
|
||
[tableView reloadSections:update.replacedSectionIndexes withRowAnimation:UITableViewRowAnimationNone];
|
||
|
||
[update.insertedItemIndexes enumerateObjectsUsingBlock:^(NSMutableIndexSet * _Nonnull indexes, NSUInteger idx, BOOL * _Nonnull stop) {
|
||
NSArray *indexPaths = [indexes indexPathsInSection:idx];
|
||
[tableView insertRowsAtIndexPaths:indexPaths withRowAnimation:UITableViewRowAnimationNone];
|
||
}];
|
||
|
||
[update.deletedItemIndexes enumerateObjectsUsingBlock:^(NSMutableIndexSet * _Nonnull indexes, NSUInteger sec, BOOL * _Nonnull stop) {
|
||
NSArray *indexPaths = [indexes indexPathsInSection:sec];
|
||
[tableView deleteRowsAtIndexPaths:indexPaths withRowAnimation:UITableViewRowAnimationNone];
|
||
}];
|
||
|
||
[update.replacedItemIndexes enumerateObjectsUsingBlock:^(NSMutableIndexSet * _Nonnull indexes, NSUInteger sec, BOOL * _Nonnull stop) {
|
||
NSArray *indexPaths = [indexes indexPathsInSection:sec];
|
||
[tableView reloadRowsAtIndexPaths:indexPaths withRowAnimation:UITableViewRowAnimationNone];
|
||
}];
|
||
@try {
|
||
[tableView endUpdates];
|
||
#if !USE_UIKIT_REFERENCE
|
||
[tableView waitUntilAllUpdatesAreCommitted];
|
||
#endif
|
||
} @catch (NSException *exception) {
|
||
_failed = YES;
|
||
@throw exception;
|
||
}
|
||
}
|
||
|
||
- (void)verifyTableDataSource:(ASThrashTableDataSource *)ds {
|
||
TableView *tableView = ds.tableView;
|
||
NSArray <ASThrashTestSection *> *data = [ds data];
|
||
XCTAssertEqual(data.count, tableView.numberOfSections);
|
||
for (NSInteger i = 0; i < tableView.numberOfSections; i++) {
|
||
XCTAssertEqual([tableView numberOfRowsInSection:i], data[i].items.count);
|
||
XCTAssertEqual([tableView rectForHeaderInSection:i].size.height, data[i].headerHeight);
|
||
|
||
for (NSInteger j = 0; j < [tableView numberOfRowsInSection:i]; j++) {
|
||
NSIndexPath *indexPath = [NSIndexPath indexPathForItem:j inSection:i];
|
||
ASThrashTestItem *item = data[i].items[j];
|
||
#if USE_UIKIT_REFERENCE
|
||
XCTAssertEqual([tableView rectForRowAtIndexPath:indexPath].size.height, item.rowHeight);
|
||
#else
|
||
ASThrashTestItemNode *node = (ASThrashTestItemNode *)[tableView nodeForRowAtIndexPath:indexPath];
|
||
XCTAssertEqualObjects(node.item, item, @"Wrong node at index path %@", indexPath);
|
||
#endif
|
||
}
|
||
}
|
||
}
|
||
|
||
- (void)applyUpdate:(ASThrashUpdate *)update toCollectionDataSource:(ASThrashCollectionDataSource *)dataSource {
|
||
CollectionView *collectionView = dataSource.collectionView;
|
||
|
||
@try {
|
||
[collectionView reloadData];
|
||
[collectionView layoutIfNeeded];
|
||
[collectionView performBatchUpdates:^{
|
||
dataSource.data = update.data;
|
||
[collectionView insertSections:update.insertedSectionIndexes];
|
||
|
||
[collectionView deleteSections:update.deletedSectionIndexes];
|
||
|
||
[collectionView reloadSections:update.replacedSectionIndexes];
|
||
|
||
[update.insertedItemIndexes enumerateObjectsUsingBlock:^(NSMutableIndexSet * _Nonnull indexes, NSUInteger idx, BOOL * _Nonnull stop) {
|
||
NSArray *indexPaths = [indexes indexPathsInSection:idx];
|
||
[collectionView insertItemsAtIndexPaths:indexPaths];
|
||
}];
|
||
|
||
[update.deletedItemIndexes enumerateObjectsUsingBlock:^(NSMutableIndexSet * _Nonnull indexes, NSUInteger sec, BOOL * _Nonnull stop) {
|
||
NSArray *indexPaths = [indexes indexPathsInSection:sec];
|
||
[collectionView deleteItemsAtIndexPaths:indexPaths];
|
||
}];
|
||
|
||
[update.replacedItemIndexes enumerateObjectsUsingBlock:^(NSMutableIndexSet * _Nonnull indexes, NSUInteger sec, BOOL * _Nonnull stop) {
|
||
NSArray *indexPaths = [indexes indexPathsInSection:sec];
|
||
[collectionView reloadItemsAtIndexPaths:indexPaths];
|
||
}];
|
||
} completion:^(BOOL finished) {
|
||
|
||
}];
|
||
|
||
|
||
#if !USE_UIKIT_REFERENCE
|
||
[collectionView waitUntilAllUpdatesAreCommitted];
|
||
#endif
|
||
} @catch (NSException *exception) {
|
||
_failed = YES;
|
||
@throw exception;
|
||
}
|
||
}
|
||
|
||
- (void)verifyCollectionDataSource:(ASThrashCollectionDataSource *)ds {
|
||
CollectionView *collectionView = ds.collectionView;
|
||
NSArray <ASThrashTestSection *> *data = [ds data];
|
||
XCTAssertEqual(data.count, collectionView.numberOfSections);
|
||
for (NSInteger i = 0; i < collectionView.numberOfSections; i++) {
|
||
XCTAssertEqual([collectionView numberOfItemsInSection:i], data[i].items.count);
|
||
UICollectionViewLayoutAttributes *attr = [collectionView layoutAttributesForSupplementaryElementOfKind:UICollectionElementKindSectionHeader atIndexPath:[NSIndexPath indexPathWithIndex:i]];
|
||
|
||
XCTAssertEqual(attr.size.height, data[i].headerHeight);
|
||
|
||
for (NSInteger j = 0; j < [collectionView numberOfItemsInSection:i]; j++) {
|
||
NSIndexPath *indexPath = [NSIndexPath indexPathForItem:j inSection:i];
|
||
ASThrashTestItem *item = data[i].items[j];
|
||
#if USE_UIKIT_REFERENCE
|
||
UICollectionViewLayoutAttributes *attr = [collectionView layoutAttributesForItemAtIndexPath:indexPath];
|
||
XCTAssertEqual(attr.size.height, item.rowHeight);
|
||
#else
|
||
ASThrashTestItemNode *node = (ASThrashTestItemNode *)[collectionView nodeForItemAtIndexPath:indexPath];
|
||
XCTAssertEqualObjects(node.item, item, @"Wrong node at index path %@", indexPath);
|
||
#endif
|
||
}
|
||
}
|
||
}
|
||
|
||
@end
|