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Test number of supplementary views in section inspector method

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This commit is contained in:
Levi McCallum 2015-10-07 16:00:29 -07:00
parent 8a77072e3c
commit 1216d748a1
1 changed files with 62 additions and 3 deletions
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65
AsyncDisplayKitTests/ASCollectionViewFlowLayoutInspectorTests.m
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@ -12,10 +12,13 @@
#import "ASCollectionView.h"
#import "ASCollectionViewFlowLayoutInspector.h"
@interface TestDataSource : NSObject <ASCollectionViewDataSource>
/**
* Test Data Source
*/
@interface InspectorTestDataSource : NSObject <ASCollectionViewDataSource>
@end
@implementation TestDataSource
@implementation InspectorTestDataSource
- (ASCellNode *)collectionView:(ASCollectionView *)collectionView nodeForItemAtIndexPath:(NSIndexPath *)indexPath
{
@ -38,6 +41,22 @@
@end
/**
* Test Delegate
*/
@interface ReferenceSizeTestDelegate : NSObject <ASCollectionViewDelegateFlowLayout>
@end
@implementation ReferenceSizeTestDelegate
- (CGSize)collectionView:(ASCollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout referenceSizeForHeaderInSection:(NSInteger)section
{
return CGSizeMake(125.0, 125.0);
}
@end
@implementation ASCollectionViewFlowLayoutInspectorTests
- (void)setUp {
@ -67,7 +86,7 @@
- (void)testThatItProvidesTheNumberOfSectionsInTheDataSource
{
TestDataSource *dataSource = [[TestDataSource alloc] init];
InspectorTestDataSource *dataSource = [[InspectorTestDataSource alloc] init];
UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
ASCollectionView *collectionView = [[ASCollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout asyncDataFetching:NO];
collectionView.asyncDataSource = dataSource;
@ -78,4 +97,44 @@
#pragma mark - #collectionView:supplementaryViewsOfKind:inSection:
- (void)testThatItReturnsOneWhenAValidSizeIsImplementedOnTheDelegate
{
InspectorTestDataSource *dataSource = [[InspectorTestDataSource alloc] init];
ReferenceSizeTestDelegate *delegate = [[ReferenceSizeTestDelegate alloc] init];
UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
ASCollectionView *collectionView = [[ASCollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout asyncDataFetching:NO];
collectionView.asyncDataSource = dataSource;
collectionView.asyncDelegate = delegate;
ASCollectionViewFlowLayoutInspector *inspector = [[ASCollectionViewFlowLayoutInspector alloc] initWithCollectionView:collectionView flowLayout:layout];
NSUInteger count = [inspector collectionView:collectionView supplementaryViewsOfKind:UICollectionElementKindSectionHeader inSection:0];
XCTAssert(count == 1, @"should have a header supplementary view");
}
- (void)testThatItReturnsOneWhenAValidSizeIsImplementedOnTheLayout
{
InspectorTestDataSource *dataSource = [[InspectorTestDataSource alloc] init];
ReferenceSizeTestDelegate *delegate = [[ReferenceSizeTestDelegate alloc] init];
UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
layout.footerReferenceSize = CGSizeMake(125.0, 125.0);
ASCollectionView *collectionView = [[ASCollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout asyncDataFetching:NO];
collectionView.asyncDataSource = dataSource;
collectionView.asyncDelegate = delegate;
ASCollectionViewFlowLayoutInspector *inspector = [[ASCollectionViewFlowLayoutInspector alloc] initWithCollectionView:collectionView flowLayout:layout];
NSUInteger count = [inspector collectionView:collectionView supplementaryViewsOfKind:UICollectionElementKindSectionFooter inSection:0];
XCTAssert(count == 1, @"should have a footer supplementary view");
}
- (void)testThatItReturnsNoneWhenNoReferenceSizeIsImplemented
{
InspectorTestDataSource *dataSource = [[InspectorTestDataSource alloc] init];
ReferenceSizeTestDelegate *delegate = [[ReferenceSizeTestDelegate alloc] init];
UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
ASCollectionView *collectionView = [[ASCollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout asyncDataFetching:NO];
collectionView.asyncDataSource = dataSource;
collectionView.asyncDelegate = delegate;
ASCollectionViewFlowLayoutInspector *inspector = [[ASCollectionViewFlowLayoutInspector alloc] initWithCollectionView:collectionView flowLayout:layout];
NSUInteger count = [inspector collectionView:collectionView supplementaryViewsOfKind:UICollectionElementKindSectionFooter inSection:0];
XCTAssert(count == 0, @"should not have a footer supplementary view");
}
@end