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//
// ASCollectionViewTests.m
// AsyncDisplayKit
//
// 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 <XCTest/XCTest.h>
#import "ASCollectionView.h"
#import "ASCollectionDataController.h"
#import "ASCollectionViewFlowLayoutInspector.h"
@interface ASCollectionViewTestDelegate : NSObject <ASCollectionViewDataSource, ASCollectionViewDelegate>
@property (nonatomic, assign) NSInteger numberOfSections;
@property (nonatomic, assign) NSInteger numberOfItemsInSection;
@end
@implementation ASCollectionViewTestDelegate
- (id)initWithNumberOfSections:(NSInteger)numberOfSections numberOfItemsInSection:(NSInteger)numberOfItemsInSection {
if (self = [super init]) {
_numberOfSections = numberOfSections;
_numberOfItemsInSection = numberOfItemsInSection;
}
return self;
}
- (ASCellNode *)collectionView:(ASCollectionView *)collectionView nodeForItemAtIndexPath:(NSIndexPath *)indexPath {
ASTextCellNode *textCellNode = [ASTextCellNode new];
textCellNode.text = indexPath.description;
return textCellNode;
}
- (ASCellNodeBlock)collectionView:(ASCollectionView *)collectionView nodeBlockForItemAtIndexPath:(NSIndexPath *)indexPath {
return ^{
ASTextCellNode *textCellNode = [ASTextCellNode new];
textCellNode.text = indexPath.description;
return textCellNode;
};
}
- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {
return self.numberOfSections;
}
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
return self.numberOfItemsInSection;
}
@end
@interface ASCollectionViewTestController: UIViewController
@property (nonatomic, strong) ASCollectionViewTestDelegate *asyncDelegate;
@property (nonatomic, strong) ASCollectionView *collectionView;
@end
@implementation ASCollectionViewTestController
- (void)viewDidLoad {
[super viewDidLoad];
self.asyncDelegate = [[ASCollectionViewTestDelegate alloc] initWithNumberOfSections:10 numberOfItemsInSection:10];
self.collectionView = [[ASCollectionView alloc] initWithFrame:self.view.bounds
collectionViewLayout:[UICollectionViewFlowLayout new]];
self.collectionView.asyncDataSource = self.asyncDelegate;
self.collectionView.asyncDelegate = self.asyncDelegate;
[self.view addSubview:self.collectionView];
}
- (void)viewWillLayoutSubviews {
[super viewWillLayoutSubviews];
self.collectionView.frame = self.view.bounds;
}
@end
@interface ASCollectionView (InternalTesting)
- (NSArray *)supplementaryNodeKindsInDataController:(ASCollectionDataController *)dataController;
@end
@interface ASCollectionViewTests : XCTestCase
@end
@implementation ASCollectionViewTests
- (void)testThatItSetsALayoutInspectorForFlowLayouts
{
UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
ASCollectionView *collectionView = [[ASCollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout];
XCTAssert(collectionView.layoutInspector != nil, @"should automatically set a layout delegate for flow layouts");
XCTAssert([collectionView.layoutInspector isKindOfClass:[ASCollectionViewFlowLayoutInspector class]], @"should have a flow layout inspector by default");
}
- (void)testThatItDoesNotSetALayoutInspectorForCustomLayouts
{
UICollectionViewLayout *layout = [[UICollectionViewLayout alloc] init];
ASCollectionView *collectionView = [[ASCollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout];
XCTAssert(collectionView.layoutInspector == nil, @"should not set a layout delegate for custom layouts");
}
- (void)testThatRegisteringASupplementaryNodeStoresItForIntrospection
{
UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
ASCollectionView *collectionView = [[ASCollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout];
[collectionView registerSupplementaryNodeOfKind:UICollectionElementKindSectionHeader];
XCTAssertEqualObjects([collectionView supplementaryNodeKindsInDataController:nil], @[UICollectionElementKindSectionHeader]);
}
- (void)testCollectionViewController
{
ASCollectionViewTestController *testController = [[ASCollectionViewTestController alloc] initWithNibName:nil bundle:nil];
UIView *containerView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
[containerView addSubview:testController.view];
[testController.collectionView reloadData];
[[NSRunLoop currentRunLoop] runUntilDate:[NSDate dateWithTimeIntervalSinceNow:1.0]];
}
@end