mirror of
https://github.com/Instagram/IGListKit
synced 2026-05-06 06:58:26 +00:00
f92b9339ee
Summary: The standardized Meta copyright notice is "Copyright (c) Meta Platforms, Inc. and affiliates." and not "Copyright (c) Meta Platforms, Inc. and its affiliates." (Dropping the "its") This diff updates the copyright notice in each source file to the correct this. Reviewed By: willbailey Differential Revision: D44737667 fbshipit-source-id: 643bf36df76723e70d9d826c53cf8f29b8a0c8cc
177 lines
11 KiB
Objective-C
177 lines
11 KiB
Objective-C
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import <XCTest/XCTest.h>
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#import <IGListDiffKit/IGListBatchUpdateData.h>
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#import "IGListMoveIndexPathInternal.h"
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// IGListMoveIndexInternal.h
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@interface IGListMoveIndex (Private)
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- (instancetype)initWithFrom:(NSInteger)from to:(NSInteger)to;
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@end
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@interface IGListBatchUpdateDataTests : XCTestCase
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@end
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@implementation IGListBatchUpdateDataTests
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static NSIndexSet *indexSet(NSArray<NSNumber *> *arr) {
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NSMutableIndexSet *set = [NSMutableIndexSet new];
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for (NSNumber *n in arr) {
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[set addIndex:[n integerValue]];
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}
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return set;
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}
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static NSIndexPath *newPath(NSInteger section, NSInteger item) {
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return [NSIndexPath indexPathForItem:item inSection:section];
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}
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static IGListMoveIndexPath *newMovePath(NSInteger fromSection, NSInteger fromItem, NSInteger toSection, NSInteger toItem) {
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return [[IGListMoveIndexPath alloc] initWithFrom:newPath(fromSection, fromItem) to:newPath(toSection, toItem)];
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}
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static IGListMoveIndex *newMove(NSInteger from, NSInteger to) {
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return [[IGListMoveIndex alloc] initWithFrom:from to:to];
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}
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- (void)test_whenEmptyUpdates_thatResultExists {
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IGListBatchUpdateData *result = [[IGListBatchUpdateData alloc] initWithInsertSections:indexSet(@[])
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deleteSections:indexSet(@[])
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moveSections:[NSSet new]
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insertIndexPaths:@[]
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deleteIndexPaths:@[]
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updateIndexPaths:@[]
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moveIndexPaths:@[]];
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XCTAssertNotNil(result);
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}
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- (void)test_whenUpdatesAreClean_thatResultMatches {
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IGListBatchUpdateData *result = [[IGListBatchUpdateData alloc] initWithInsertSections:indexSet(@[@0, @1])
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deleteSections:indexSet(@[@5])
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moveSections:[NSSet setWithArray:@[newMove(3, 4)]]
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insertIndexPaths:@[newPath(0, 0)]
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deleteIndexPaths:@[newPath(1, 0)]
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updateIndexPaths:@[]
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moveIndexPaths:@[newMovePath(6, 0, 6, 1)]];
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XCTAssertEqualObjects(result.insertSections, indexSet(@[@0, @1]));
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XCTAssertEqualObjects(result.deleteSections, indexSet(@[@5]));
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XCTAssertEqualObjects(result.moveSections, [NSSet setWithArray:@[newMove(3, 4)]]);
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XCTAssertEqualObjects(result.insertIndexPaths, @[newPath(0, 0)]);
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XCTAssertEqualObjects(result.deleteIndexPaths, @[newPath(1, 0)]);
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XCTAssertEqual(result.moveIndexPaths.count, 1);
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XCTAssertEqualObjects(result.moveIndexPaths.firstObject, [[IGListMoveIndexPath alloc] initWithFrom:newPath(6, 0) to:newPath(6, 1)]);
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}
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- (void)test_whenMovingSections_withItemDeletes_thatResultConvertsConflicts_toDeletesAndInserts {
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IGListBatchUpdateData *result = [[IGListBatchUpdateData alloc] initWithInsertSections:indexSet(@[])
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deleteSections:indexSet(@[])
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moveSections:[NSSet setWithArray:@[newMove(2, 4)]]
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insertIndexPaths:@[]
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deleteIndexPaths:@[newPath(2, 0), newPath(3, 4)]
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updateIndexPaths:@[]
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moveIndexPaths:@[]];
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XCTAssertEqualObjects(result.insertSections, indexSet(@[@4]));
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XCTAssertEqualObjects(result.deleteSections, indexSet(@[@2]));
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XCTAssertEqualObjects(result.deleteIndexPaths, @[newPath(3, 4)]);
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XCTAssertEqual(result.moveSections.count, 0);
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}
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- (void)test_whenMovingSections_withItemInserts_thatResultConvertsConflicts_toDeletesAndInserts {
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IGListBatchUpdateData *result = [[IGListBatchUpdateData alloc] initWithInsertSections:indexSet(@[])
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deleteSections:indexSet(@[])
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moveSections:[NSSet setWithArray:@[newMove(2, 4)]]
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insertIndexPaths:@[newPath(4, 0), newPath(3, 4)]
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deleteIndexPaths:@[]
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updateIndexPaths:@[]
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moveIndexPaths:@[]];
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XCTAssertEqualObjects(result.insertSections, indexSet(@[@4]));
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XCTAssertEqualObjects(result.deleteSections, indexSet(@[@2]));
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XCTAssertEqualObjects(result.insertIndexPaths, @[newPath(3, 4)]);
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XCTAssertEqual(result.moveSections.count, 0);
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}
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- (void)test_whenMovingIndexPaths_withSectionDeleted_thatResultDropsTheMove {
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IGListBatchUpdateData *result = [[IGListBatchUpdateData alloc] initWithInsertSections:indexSet(@[])
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deleteSections:indexSet(@[@0])
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moveSections:[NSSet new]
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insertIndexPaths:@[]
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deleteIndexPaths:@[]
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updateIndexPaths:@[]
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moveIndexPaths:@[newMovePath(0, 0, 0, 1)]];
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XCTAssertEqual(result.moveIndexPaths.count, 0);
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XCTAssertEqualObjects(result.deleteSections, indexSet(@[@0]));
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}
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- (void)test_whenMovingIndexPaths_withSectionMoved_thatResultConvertsToDeletesAndInserts {
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IGListBatchUpdateData *result = [[IGListBatchUpdateData alloc] initWithInsertSections:indexSet(@[])
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deleteSections:indexSet(@[])
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moveSections:[NSSet setWithArray:@[newMove(0, 1)]]
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insertIndexPaths:@[]
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deleteIndexPaths:@[]
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updateIndexPaths:@[]
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moveIndexPaths:@[newMovePath(0, 0, 0, 1)]];
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XCTAssertEqual(result.moveIndexPaths.count, 0);
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XCTAssertEqual(result.moveSections.count, 0);
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XCTAssertEqualObjects(result.deleteSections, indexSet(@[@0]));
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XCTAssertEqualObjects(result.insertSections, indexSet(@[@1]));
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}
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- (void)test_whenMovingSections_withMoveFromConflictWithDelete_thatResultDropsTheMove {
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IGListBatchUpdateData *result = [[IGListBatchUpdateData alloc] initWithInsertSections:indexSet(@[])
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deleteSections:indexSet(@[@2])
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moveSections:[NSSet setWithArray:@[newMove(2, 6), newMove(0, 2)]]
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insertIndexPaths:@[]
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deleteIndexPaths:@[]
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updateIndexPaths:@[]
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moveIndexPaths:@[]];
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XCTAssertEqual(result.deleteSections.count, 1);
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XCTAssertEqual(result.moveSections.count, 1);
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XCTAssertEqual(result.insertSections.count, 0);
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XCTAssertEqualObjects(result.deleteSections, indexSet(@[@2]));
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XCTAssertEqualObjects(result.moveSections.anyObject, newMove(0, 2));
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}
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- (void)test_whenDeletingSameIndexPathMultipleTimes_thatResultDropsTheDuplicates {
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IGListBatchUpdateData *result = [[IGListBatchUpdateData alloc] initWithInsertSections:indexSet(@[])
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deleteSections:indexSet(@[])
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moveSections:[NSSet new]
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insertIndexPaths:@[]
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deleteIndexPaths:@[newPath(2, 0), newPath(2, 0)]
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updateIndexPaths:@[]
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moveIndexPaths:@[]];
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XCTAssertEqualObjects(result.deleteIndexPaths, @[newPath(2, 0)]);
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}
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- (void)test_whenUpdatesAreClean_thatObjectIsEqualToItself {
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IGListBatchUpdateData *result = [[IGListBatchUpdateData alloc] initWithInsertSections:indexSet(@[@0, @1])
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deleteSections:indexSet(@[@5])
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moveSections:[NSSet setWithArray:@[newMove(3, 4)]]
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insertIndexPaths:@[newPath(0, 0)]
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deleteIndexPaths:@[newPath(1, 0)]
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updateIndexPaths:@[]
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moveIndexPaths:@[newMovePath(6, 0, 6, 1)]];
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XCTAssertTrue([result isEqual:result]);
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}
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- (void)test_whenEmptyUpdates_thatResultDoesNotEqualOtherClasses {
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IGListBatchUpdateData *emptyResult = [[IGListBatchUpdateData alloc] initWithInsertSections:indexSet(@[])
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deleteSections:indexSet(@[])
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moveSections:[NSSet new]
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insertIndexPaths:@[]
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deleteIndexPaths:@[]
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updateIndexPaths:@[]
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moveIndexPaths:@[]];
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XCTAssertFalse([emptyResult isEqual:[NSObject new]]);
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}
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@end
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