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git-subtree-dir: submodules/AsyncDisplayKit git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632 git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
429 lines
20 KiB
Plaintext
429 lines
20 KiB
Plaintext
//
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// ASCollectionViewFlowLayoutInspectorTests.mm
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// Texture
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
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// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <XCTest/XCTest.h>
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#import <UIKit/UIKit.h>
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#import <OCMock/OCMock.h>
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#import "ASXCTExtensions.h"
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#import <AsyncDisplayKit/ASCollectionView.h>
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#import <AsyncDisplayKit/ASCollectionNode.h>
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#import <AsyncDisplayKit/ASCollectionViewFlowLayoutInspector.h>
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#import <AsyncDisplayKit/ASCellNode.h>
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#import <AsyncDisplayKit/ASCollectionView+Undeprecated.h>
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@interface ASCollectionView (Private)
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- (instancetype)initWithFrame:(CGRect)frame collectionViewLayout:(UICollectionViewLayout *)layout;
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@end
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/**
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* Test Data Source
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*/
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@interface InspectorTestDataSource : NSObject <ASCollectionDataSource>
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@end
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@implementation InspectorTestDataSource
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- (ASCellNode *)collectionView:(ASCollectionView *)collectionView nodeForItemAtIndexPath:(NSIndexPath *)indexPath
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{
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return [[ASCellNode alloc] init];
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}
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- (ASCellNodeBlock)collectionView:(ASCollectionView *)collectionView nodeBlockForItemAtIndexPath:(NSIndexPath *)indexPath
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{
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return ^{ return [[ASCellNode alloc] init]; };
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}
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- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
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{
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return 0;
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}
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- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView
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{
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return 2;
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}
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@end
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@protocol InspectorTestDataSourceDelegateProtocol <ASCollectionDataSource, ASCollectionDelegate>
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@end
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@interface InspectorTestDataSourceDelegateWithoutNodeConstrainedSize : NSObject <InspectorTestDataSourceDelegateProtocol>
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@end
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@implementation InspectorTestDataSourceDelegateWithoutNodeConstrainedSize
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- (ASCellNodeBlock)collectionView:(ASCollectionView *)collectionView nodeBlockForItemAtIndexPath:(NSIndexPath *)indexPath
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{
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return ^{ return [[ASCellNode alloc] init]; };
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}
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- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
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{
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return 0;
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}
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@end
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@interface ASCollectionViewFlowLayoutInspectorTests : XCTestCase
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@end
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/**
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* Test Delegate for Header Reference Size Implementation
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*/
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@interface HeaderReferenceSizeTestDelegate : NSObject <ASCollectionDelegateFlowLayout>
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@end
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@implementation HeaderReferenceSizeTestDelegate
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- (CGSize)collectionView:(ASCollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout referenceSizeForHeaderInSection:(NSInteger)section
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{
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return CGSizeMake(125.0, 125.0);
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}
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@end
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/**
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* Test Delegate for Footer Reference Size Implementation
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*/
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@interface FooterReferenceSizeTestDelegate : NSObject <ASCollectionDelegateFlowLayout>
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@end
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@implementation FooterReferenceSizeTestDelegate
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- (CGSize)collectionView:(ASCollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout referenceSizeForFooterInSection:(NSInteger)section
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{
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return CGSizeMake(125.0, 125.0);
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}
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@end
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@implementation ASCollectionViewFlowLayoutInspectorTests
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- (void)setUp {
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[super setUp];
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// Put setup code here. This method is called before the invocation of each test method in the class.
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}
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- (void)tearDown {
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// Put teardown code here. This method is called after the invocation of each test method in the class.
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[super tearDown];
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}
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#pragma mark - #collectionView:constrainedSizeForSupplementaryNodeOfKind:atIndexPath:
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// Vertical
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// Delegate implementation
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- (void)testThatItReturnsAVerticalConstrainedSizeFromTheHeaderDelegateImplementation
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{
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InspectorTestDataSource *dataSource = [[InspectorTestDataSource alloc] init];
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HeaderReferenceSizeTestDelegate *delegate = [[HeaderReferenceSizeTestDelegate alloc] init];
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UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
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layout.scrollDirection = UICollectionViewScrollDirectionVertical;
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CGRect rect = CGRectMake(0, 0, 100.0, 100.0);
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ASCollectionView *collectionView = [[ASCollectionView alloc] initWithFrame:rect collectionViewLayout:layout];
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collectionView.asyncDataSource = dataSource;
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collectionView.asyncDelegate = delegate;
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ASCollectionViewFlowLayoutInspector *inspector = ASDynamicCast(collectionView.layoutInspector, ASCollectionViewFlowLayoutInspector);
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ASSizeRange size = [inspector collectionView:collectionView constrainedSizeForSupplementaryNodeOfKind:UICollectionElementKindSectionHeader atIndexPath:[NSIndexPath indexPathForItem:0 inSection:0]];
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ASSizeRange sizeCompare = ASSizeRangeMake(CGSizeMake(collectionView.bounds.size.width, 125.0));
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ASXCTAssertEqualSizeRanges(size, sizeCompare, @"should have a size constrained by the values returned in the delegate implementation");
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collectionView.asyncDataSource = nil;
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collectionView.asyncDelegate = nil;
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}
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- (void)testThatItReturnsAVerticalConstrainedSizeFromTheFooterDelegateImplementation
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{
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InspectorTestDataSource *dataSource = [[InspectorTestDataSource alloc] init];
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FooterReferenceSizeTestDelegate *delegate = [[FooterReferenceSizeTestDelegate alloc] init];
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UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
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layout.scrollDirection = UICollectionViewScrollDirectionVertical;
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CGRect rect = CGRectMake(0, 0, 100.0, 100.0);
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ASCollectionView *collectionView = [[ASCollectionView alloc] initWithFrame:rect collectionViewLayout:layout];
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collectionView.asyncDataSource = dataSource;
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collectionView.asyncDelegate = delegate;
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ASCollectionViewFlowLayoutInspector *inspector = ASDynamicCast(collectionView.layoutInspector, ASCollectionViewFlowLayoutInspector);
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ASSizeRange size = [inspector collectionView:collectionView constrainedSizeForSupplementaryNodeOfKind:UICollectionElementKindSectionFooter atIndexPath:[NSIndexPath indexPathForItem:0 inSection:0]];
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ASSizeRange sizeCompare = ASSizeRangeMake(CGSizeMake(collectionView.bounds.size.width, 125.0));
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ASXCTAssertEqualSizeRanges(size, sizeCompare, @"should have a size constrained by the values returned in the delegate implementation");
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collectionView.asyncDataSource = nil;
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collectionView.asyncDelegate = nil;
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}
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// Size implementation
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- (void)testThatItReturnsAVerticalConstrainedSizeFromTheHeaderProperty
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{
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InspectorTestDataSource *dataSource = [[InspectorTestDataSource alloc] init];
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UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
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layout.scrollDirection = UICollectionViewScrollDirectionVertical;
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layout.headerReferenceSize = CGSizeMake(125.0, 125.0);
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CGRect rect = CGRectMake(0, 0, 100.0, 100.0);
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ASCollectionView *collectionView = [[ASCollectionView alloc] initWithFrame:rect collectionViewLayout:layout];
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collectionView.asyncDataSource = dataSource;
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ASCollectionViewFlowLayoutInspector *inspector = ASDynamicCast(collectionView.layoutInspector, ASCollectionViewFlowLayoutInspector);
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ASSizeRange size = [inspector collectionView:collectionView constrainedSizeForSupplementaryNodeOfKind:UICollectionElementKindSectionHeader atIndexPath:[NSIndexPath indexPathForItem:0 inSection:0]];
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ASSizeRange sizeCompare = ASSizeRangeMake(CGSizeMake(collectionView.bounds.size.width, 125.0));
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ASXCTAssertEqualSizeRanges(size, sizeCompare, @"should have a size constrained by the size set on the layout");
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collectionView.asyncDataSource = nil;
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collectionView.asyncDelegate = nil;
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}
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- (void)testThatItReturnsAVerticalConstrainedSizeFromTheFooterProperty
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{
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InspectorTestDataSource *dataSource = [[InspectorTestDataSource alloc] init];
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UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
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layout.scrollDirection = UICollectionViewScrollDirectionVertical;
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layout.footerReferenceSize = CGSizeMake(125.0, 125.0);
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CGRect rect = CGRectMake(0, 0, 100.0, 100.0);
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ASCollectionView *collectionView = [[ASCollectionView alloc] initWithFrame:rect collectionViewLayout:layout];
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collectionView.asyncDataSource = dataSource;
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ASCollectionViewFlowLayoutInspector *inspector = ASDynamicCast(collectionView.layoutInspector, ASCollectionViewFlowLayoutInspector);
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ASSizeRange size = [inspector collectionView:collectionView constrainedSizeForSupplementaryNodeOfKind:UICollectionElementKindSectionFooter atIndexPath:[NSIndexPath indexPathForItem:0 inSection:0]];
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ASSizeRange sizeCompare = ASSizeRangeMake(CGSizeMake(collectionView.bounds.size.width, 125.0));
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ASXCTAssertEqualSizeRanges(size, sizeCompare, @"should have a size constrained by the size set on the layout");
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collectionView.asyncDataSource = nil;
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collectionView.asyncDelegate = nil;
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}
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// Horizontal
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- (void)testThatItReturnsAHorizontalConstrainedSizeFromTheHeaderDelegateImplementation
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{
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InspectorTestDataSource *dataSource = [[InspectorTestDataSource alloc] init];
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HeaderReferenceSizeTestDelegate *delegate = [[HeaderReferenceSizeTestDelegate alloc] init];
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UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
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layout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
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CGRect rect = CGRectMake(0, 0, 100.0, 100.0);
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ASCollectionView *collectionView = [[ASCollectionView alloc] initWithFrame:rect collectionViewLayout:layout];
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collectionView.asyncDataSource = dataSource;
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collectionView.asyncDelegate = delegate;
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ASCollectionViewFlowLayoutInspector *inspector = ASDynamicCast(collectionView.layoutInspector, ASCollectionViewFlowLayoutInspector);
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ASSizeRange size = [inspector collectionView:collectionView constrainedSizeForSupplementaryNodeOfKind:UICollectionElementKindSectionHeader atIndexPath:[NSIndexPath indexPathForItem:0 inSection:0]];
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ASSizeRange sizeCompare = ASSizeRangeMake(CGSizeMake(125.0, collectionView.bounds.size.height));
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ASXCTAssertEqualSizeRanges(size, sizeCompare, @"should have a size constrained by the values returned in the delegate implementation");
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collectionView.asyncDataSource = nil;
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collectionView.asyncDelegate = nil;
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}
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- (void)testThatItReturnsAHorizontalConstrainedSizeFromTheFooterDelegateImplementation
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{
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InspectorTestDataSource *dataSource = [[InspectorTestDataSource alloc] init];
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FooterReferenceSizeTestDelegate *delegate = [[FooterReferenceSizeTestDelegate alloc] init];
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UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
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layout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
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CGRect rect = CGRectMake(0, 0, 100.0, 100.0);
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ASCollectionView *collectionView = [[ASCollectionView alloc] initWithFrame:rect collectionViewLayout:layout];
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collectionView.asyncDataSource = dataSource;
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collectionView.asyncDelegate = delegate;
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ASCollectionViewFlowLayoutInspector *inspector = ASDynamicCast(collectionView.layoutInspector, ASCollectionViewFlowLayoutInspector);
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ASSizeRange size = [inspector collectionView:collectionView constrainedSizeForSupplementaryNodeOfKind:UICollectionElementKindSectionFooter atIndexPath:[NSIndexPath indexPathForItem:0 inSection:0]];
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ASSizeRange sizeCompare = ASSizeRangeMake(CGSizeMake(125.0, collectionView.bounds.size.height));
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ASXCTAssertEqualSizeRanges(size, sizeCompare, @"should have a size constrained by the values returned in the delegate implementation");
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collectionView.asyncDataSource = nil;
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collectionView.asyncDelegate = nil;
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}
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// Size implementation
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- (void)testThatItReturnsAHorizontalConstrainedSizeFromTheHeaderProperty
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{
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InspectorTestDataSource *dataSource = [[InspectorTestDataSource alloc] init];
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UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
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layout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
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layout.headerReferenceSize = CGSizeMake(125.0, 125.0);
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CGRect rect = CGRectMake(0, 0, 100.0, 100.0);
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ASCollectionView *collectionView = [[ASCollectionView alloc] initWithFrame:rect collectionViewLayout:layout];
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collectionView.asyncDataSource = dataSource;
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ASCollectionViewFlowLayoutInspector *inspector = ASDynamicCast(collectionView.layoutInspector, ASCollectionViewFlowLayoutInspector);
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ASSizeRange size = [inspector collectionView:collectionView constrainedSizeForSupplementaryNodeOfKind:UICollectionElementKindSectionHeader atIndexPath:[NSIndexPath indexPathForItem:0 inSection:0]];
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ASSizeRange sizeCompare = ASSizeRangeMake(CGSizeMake(125.0, collectionView.bounds.size.width));
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ASXCTAssertEqualSizeRanges(size, sizeCompare, @"should have a size constrained by the size set on the layout");
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collectionView.asyncDataSource = nil;
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collectionView.asyncDelegate = nil;
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}
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- (void)testThatItReturnsAHorizontalConstrainedSizeFromTheFooterProperty
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{
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InspectorTestDataSource *dataSource = [[InspectorTestDataSource alloc] init];
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UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
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layout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
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layout.footerReferenceSize = CGSizeMake(125.0, 125.0);
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CGRect rect = CGRectMake(0, 0, 100.0, 100.0);
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ASCollectionView *collectionView = [[ASCollectionView alloc] initWithFrame:rect collectionViewLayout:layout];
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collectionView.asyncDataSource = dataSource;
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ASCollectionViewFlowLayoutInspector *inspector = ASDynamicCast(collectionView.layoutInspector, ASCollectionViewFlowLayoutInspector);
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ASSizeRange size = [inspector collectionView:collectionView constrainedSizeForSupplementaryNodeOfKind:UICollectionElementKindSectionFooter atIndexPath:[NSIndexPath indexPathForItem:0 inSection:0]];
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ASSizeRange sizeCompare = ASSizeRangeMake(CGSizeMake(125.0, collectionView.bounds.size.height));
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ASXCTAssertEqualSizeRanges(size, sizeCompare, @"should have a size constrained by the size set on the layout");
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collectionView.asyncDataSource = nil;
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collectionView.asyncDelegate = nil;
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}
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- (void)testThatItReturnsZeroSizeWhenNoReferenceSizeIsImplemented
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{
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InspectorTestDataSource *dataSource = [[InspectorTestDataSource alloc] init];
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HeaderReferenceSizeTestDelegate *delegate = [[HeaderReferenceSizeTestDelegate alloc] init];
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UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
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ASCollectionView *collectionView = [[ASCollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout];
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collectionView.asyncDataSource = dataSource;
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collectionView.asyncDelegate = delegate;
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ASCollectionViewFlowLayoutInspector *inspector = ASDynamicCast(collectionView.layoutInspector, ASCollectionViewFlowLayoutInspector);
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ASSizeRange size = [inspector collectionView:collectionView constrainedSizeForSupplementaryNodeOfKind:UICollectionElementKindSectionFooter atIndexPath:[NSIndexPath indexPathForItem:0 inSection:0]];
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ASSizeRange sizeCompare = ASSizeRangeMake(CGSizeZero, CGSizeZero);
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XCTAssert(CGSizeEqualToSize(size.min, sizeCompare.min) && CGSizeEqualToSize(size.max, sizeCompare.max), @"should have a zero size");
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collectionView.asyncDataSource = nil;
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collectionView.asyncDelegate = nil;
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}
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#pragma mark - #collectionView:supplementaryNodesOfKind:inSection:
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- (void)testThatItReturnsOneWhenAValidSizeIsImplementedOnTheDelegate
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{
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InspectorTestDataSource *dataSource = [[InspectorTestDataSource alloc] init];
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HeaderReferenceSizeTestDelegate *delegate = [[HeaderReferenceSizeTestDelegate alloc] init];
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UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
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ASCollectionView *collectionView = [[ASCollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout];
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collectionView.asyncDataSource = dataSource;
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collectionView.asyncDelegate = delegate;
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ASCollectionViewFlowLayoutInspector *inspector = ASDynamicCast(collectionView.layoutInspector, ASCollectionViewFlowLayoutInspector);
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NSUInteger count = [inspector collectionView:collectionView supplementaryNodesOfKind:UICollectionElementKindSectionHeader inSection:0];
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XCTAssert(count == 1, @"should have a header supplementary view");
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collectionView.asyncDataSource = nil;
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collectionView.asyncDelegate = nil;
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}
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- (void)testThatItReturnsOneWhenAValidSizeIsImplementedOnTheLayout
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{
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InspectorTestDataSource *dataSource = [[InspectorTestDataSource alloc] init];
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HeaderReferenceSizeTestDelegate *delegate = [[HeaderReferenceSizeTestDelegate alloc] init];
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UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
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layout.footerReferenceSize = CGSizeMake(125.0, 125.0);
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ASCollectionView *collectionView = [[ASCollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout];
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collectionView.asyncDataSource = dataSource;
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collectionView.asyncDelegate = delegate;
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ASCollectionViewFlowLayoutInspector *inspector = ASDynamicCast(collectionView.layoutInspector, ASCollectionViewFlowLayoutInspector);
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NSUInteger count = [inspector collectionView:collectionView supplementaryNodesOfKind:UICollectionElementKindSectionFooter inSection:0];
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XCTAssert(count == 1, @"should have a footer supplementary view");
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collectionView.asyncDataSource = nil;
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collectionView.asyncDelegate = nil;
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}
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- (void)testThatItReturnsNoneWhenNoReferenceSizeIsImplemented
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{
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InspectorTestDataSource *dataSource = [[InspectorTestDataSource alloc] init];
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HeaderReferenceSizeTestDelegate *delegate = [[HeaderReferenceSizeTestDelegate alloc] init];
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UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
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ASCollectionView *collectionView = [[ASCollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout];
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collectionView.asyncDataSource = dataSource;
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collectionView.asyncDelegate = delegate;
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ASCollectionViewFlowLayoutInspector *inspector = ASDynamicCast(collectionView.layoutInspector, ASCollectionViewFlowLayoutInspector);
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NSUInteger count = [inspector collectionView:collectionView supplementaryNodesOfKind:UICollectionElementKindSectionFooter inSection:0];
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XCTAssert(count == 0, @"should not have a footer supplementary view");
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collectionView.asyncDataSource = nil;
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collectionView.asyncDelegate = nil;
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}
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- (void)testThatItThrowsIfNodeConstrainedSizeIsImplementedOnDataSourceButNotOnDelegateLayoutInspector
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{
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UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
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ASCollectionNode *node = [[ASCollectionNode alloc] initWithCollectionViewLayout:layout];
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ASCollectionView *collectionView = node.view;
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id dataSourceAndDelegate = [OCMockObject mockForProtocol:@protocol(InspectorTestDataSourceDelegateProtocol)];
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ASSizeRange constrainedSize = ASSizeRangeMake(CGSizeZero, CGSizeZero);
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NSIndexPath *indexPath = [NSIndexPath indexPathForItem:0 inSection:0];
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NSValue *value = [NSValue value:&constrainedSize withObjCType:@encode(ASSizeRange)];
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[[[dataSourceAndDelegate stub] andReturnValue:value] collectionNode:node constrainedSizeForItemAtIndexPath:indexPath];
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node.dataSource = dataSourceAndDelegate;
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id delegate = [InspectorTestDataSourceDelegateWithoutNodeConstrainedSize new];
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node.delegate = delegate;
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ASCollectionViewLayoutInspector *inspector = [[ASCollectionViewLayoutInspector alloc] init];
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collectionView.layoutInspector = inspector;
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XCTAssertThrows([inspector collectionView:collectionView constrainedSizeForNodeAtIndexPath:indexPath]);
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node.delegate = dataSourceAndDelegate;
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XCTAssertNoThrow([inspector collectionView:collectionView constrainedSizeForNodeAtIndexPath:indexPath]);
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}
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- (void)testThatItThrowsIfNodeConstrainedSizeIsImplementedOnDataSourceButNotOnDelegateFlowLayoutInspector
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{
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UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
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ASCollectionNode *node = [[ASCollectionNode alloc] initWithCollectionViewLayout:layout];
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ASCollectionView *collectionView = node.view;
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id dataSourceAndDelegate = [OCMockObject mockForProtocol:@protocol(InspectorTestDataSourceDelegateProtocol)];
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ASSizeRange constrainedSize = ASSizeRangeMake(CGSizeZero, CGSizeZero);
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NSIndexPath *indexPath = [NSIndexPath indexPathForItem:0 inSection:0];
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NSValue *value = [NSValue value:&constrainedSize withObjCType:@encode(ASSizeRange)];
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[[[dataSourceAndDelegate stub] andReturnValue:value] collectionNode:node constrainedSizeForItemAtIndexPath:indexPath];
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node.dataSource = dataSourceAndDelegate;
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id delegate = [InspectorTestDataSourceDelegateWithoutNodeConstrainedSize new];
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node.delegate = delegate;
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ASCollectionViewFlowLayoutInspector *inspector = collectionView.layoutInspector;
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XCTAssertThrows([inspector collectionView:collectionView constrainedSizeForNodeAtIndexPath:indexPath]);
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node.delegate = dataSourceAndDelegate;
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XCTAssertNoThrow([inspector collectionView:collectionView constrainedSizeForNodeAtIndexPath:indexPath]);
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}
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@end
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