Swiftgram/AsyncDisplayKitTests/ASSnapshotTestCase.m
2016-09-25 20:53:27 -07:00

49 lines
1.7 KiB
Objective-C

//
// ASSnapshotTestCase.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 "ASSnapshotTestCase.h"
#import "ASAvailability.h"
#import "ASDisplayNode+Beta.h"
#import "ASDisplayNodeExtras.h"
#import "ASDisplayNode+Subclasses.h"
NSOrderedSet *ASSnapshotTestCaseDefaultSuffixes(void)
{
NSMutableOrderedSet *suffixesSet = [[NSMutableOrderedSet alloc] init];
// In some rare cases, slightly different rendering may occur on 32 vs 64 bit architectures,
// or on iOS 10 (text rasterization). If the test folders find any image that exactly matches,
// they pass; if an image is not present at all, or it fails, it moves on to check the others.
// This means the order doesn't matter besides reducing logging / performance.
[suffixesSet addObject:@"_32"];
[suffixesSet addObject:@"_64"];
if (AS_AT_LEAST_IOS10) {
[suffixesSet addObject:@"_iOS_10"];
}
#if __LP64__
return [suffixesSet reversedOrderedSet];
#else
return [suffixesSet copy];
#endif
}
@implementation ASSnapshotTestCase
+ (void)hackilySynchronouslyRecursivelyRenderNode:(ASDisplayNode *)node
{
ASDisplayNodeAssertNotNil(node.calculatedLayout, @"Node %@ must be measured before it is rendered.", node);
node.bounds = (CGRect) { .size = node.calculatedSize };
ASDisplayNodePerformBlockOnEveryNode(nil, node, YES, ^(ASDisplayNode * _Nonnull node) {
[node.layer setNeedsDisplay];
});
[node recursivelyEnsureDisplaySynchronously:YES];
}
@end