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git-subtree-dir: submodules/AsyncDisplayKit git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632 git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
113 lines
3.8 KiB
Objective-C
113 lines
3.8 KiB
Objective-C
//
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// ASListKitTests.m
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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 <AsyncDisplayKit/AsyncDisplayKit.h>
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#import "ASListKitTestAdapterDataSource.h"
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#import "ASXCTExtensions.h"
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#import <JGMethodSwizzler/JGMethodSwizzler.h>
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#import "ASTestCase.h"
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@interface ASListKitTests : ASTestCase
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@property (nonatomic, strong) ASCollectionNode *collectionNode;
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@property (nonatomic, strong) UICollectionView *collectionView;
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@property (nonatomic, strong) IGListAdapter *adapter;
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@property (nonatomic, strong) ASListKitTestAdapterDataSource *dataSource;
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@property (nonatomic, strong) UICollectionViewFlowLayout *layout;
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@property (nonatomic, strong) UIWindow *window;
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@property (nonatomic) NSInteger reloadDataCount;
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@end
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@implementation ASListKitTests
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- (void)setUp
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{
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[super setUp];
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[ASCollectionView swizzleInstanceMethod:@selector(reloadData) withReplacement:JGMethodReplacementProviderBlock {
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return JGMethodReplacement(void, ASCollectionView *) {
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JGOriginalImplementation(void);
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_reloadDataCount++;
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};
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}];
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self.window = [[UIWindow alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
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self.layout = [[UICollectionViewFlowLayout alloc] init];
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self.collectionNode = [[ASCollectionNode alloc] initWithCollectionViewLayout:self.layout];
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self.collectionNode.frame = self.window.bounds;
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self.collectionView = self.collectionNode.view;
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[self.window addSubnode:self.collectionNode];
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IGListAdapterUpdater *updater = [[IGListAdapterUpdater alloc] init];
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self.dataSource = [[ASListKitTestAdapterDataSource alloc] init];
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self.adapter = [[IGListAdapter alloc] initWithUpdater:updater
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viewController:nil
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workingRangeSize:0];
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self.adapter.dataSource = self.dataSource;
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[self.adapter setASDKCollectionNode:self.collectionNode];
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XCTAssertNotNil(self.adapter.collectionView, @"Adapter was not bound to collection view. You may have a stale copy of AsyncDisplayKit that was built without IG_LIST_KIT. Clean Builder Folder IMO.");
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}
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- (void)tearDown
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{
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[super tearDown];
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XCTAssert([ASCollectionView deswizzleAllMethods]);
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self.reloadDataCount = 0;
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self.window = nil;
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self.collectionNode = nil;
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self.collectionView = nil;
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self.adapter = nil;
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self.dataSource = nil;
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self.layout = nil;
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}
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- (void)test_whenAdapterUpdated_withObjectsOverflow_thatVisibleObjectsIsSubsetOfAllObjects
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{
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// each section controller returns n items sized 100x10
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self.dataSource.objects = @[@1, @2, @3, @4, @5, @6];
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XCTestExpectation *e = [self expectationWithDescription:@"Data update completed"];
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[self.adapter performUpdatesAnimated:NO completion:^(BOOL finished) {
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[e fulfill];
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}];
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[self waitForExpectationsWithTimeout:1 handler:nil];
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self.collectionNode.view.contentOffset = CGPointMake(0, 30);
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[self.collectionNode.view layoutIfNeeded];
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NSArray *visibleObjects = [[self.adapter visibleObjects] sortedArrayUsingSelector:@selector(compare:)];
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NSArray *expectedObjects = @[@3, @4, @5];
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XCTAssertEqualObjects(visibleObjects, expectedObjects);
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}
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- (void)test_whenCollectionViewIsNotInAWindow_updaterDoesNotJustCallReloadData
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{
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[self.collectionView removeFromSuperview];
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[self.collectionView layoutIfNeeded];
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self.dataSource.objects = @[@1, @2, @3, @4, @5, @6];
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XCTestExpectation *e = [self expectationWithDescription:@"Data update completed"];
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[self.adapter performUpdatesAnimated:NO completion:^(BOOL finished) {
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[e fulfill];
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}];
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[self waitForExpectationsWithTimeout:1 handler:nil];
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[self.collectionView layoutIfNeeded];
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XCTAssertEqual(self.reloadDataCount, 2);
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}
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@end
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