mirror of
https://github.com/Instagram/IGListKit
synced 2026-05-06 06:58:26 +00:00
ebd8801f90
Summary: Rename *ItemController unit tests to *SectionController, addressing issue #126 - [x] All tests pass. Demo project builds and runs. - [x] I added tests, an experiment, or detailed why my change isn't tested. - [x] I have reviewed the [contributing guide](https://github.com/Instagram/IGListKit/blob/master/CONTRIBUTING.md) Closes https://github.com/Instagram/IGListKit/pull/129 Differential Revision: D4095496 Pulled By: rnystrom fbshipit-source-id: 277be38ed2789f14199cee9d711a838552921f10
120 lines
5.2 KiB
Objective-C
120 lines
5.2 KiB
Objective-C
/**
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* Copyright (c) 2016-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import <XCTest/XCTest.h>
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#import "IGTestCell.h"
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#import "IGTestSingleItemDataSource.h"
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#define genTestObject(k, v) [[IGTestObject alloc] initWithKey:k value:v]
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#define genExpectation [self expectationWithDescription:NSStringFromSelector(_cmd)]
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@interface IGListSingleSectionControllerTests : XCTestCase
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@property (nonatomic, strong) IGListCollectionView *collectionView;
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@property (nonatomic, strong) IGListAdapter *adapter;
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@property (nonatomic, strong) IGListAdapterUpdater *updater;
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@property (nonatomic, strong) IGTestSingleItemDataSource *dataSource;
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@property (nonatomic, strong) UIWindow *window;
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@end
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@implementation IGListSingleSectionControllerTests
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- (void)setUp {
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[super setUp];
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self.window = [[UIWindow alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
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UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
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self.collectionView = [[IGListCollectionView alloc] initWithFrame:CGRectMake(0, 0, 100, 100) collectionViewLayout:layout];
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[self.window addSubview:self.collectionView];
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self.dataSource = [[IGTestSingleItemDataSource alloc] init];
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self.updater = [[IGListAdapterUpdater alloc] init];
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self.adapter = [[IGListAdapter alloc] initWithUpdater:self.updater viewController:nil workingRangeSize:2];
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}
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- (void)tearDown {
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[super tearDown];
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self.window = 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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}
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- (void)setupWithObjects:(NSArray *)objects {
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self.dataSource.objects = objects;
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self.adapter.collectionView = self.collectionView;
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self.adapter.dataSource = self.dataSource;
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[self.collectionView layoutIfNeeded];
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}
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- (void)test_whenDisplayingCollectionView_thatSectionsHaveOneItem {
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[self setupWithObjects:@[
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genTestObject(@1, @"Foo"),
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genTestObject(@2, @"Bar"),
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genTestObject(@3, @"Baz"),
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]];
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XCTAssertEqual([self.collectionView numberOfSections], 3);
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XCTAssertEqual([self.collectionView numberOfItemsInSection:0], 1);
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XCTAssertEqual([self.collectionView numberOfItemsInSection:1], 1);
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XCTAssertEqual([self.collectionView numberOfItemsInSection:2], 1);
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}
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- (void)test_whenDisplayingCollectionView_thatCellsAreConfigured {
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[self setupWithObjects:@[
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genTestObject(@1, @"Foo"),
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genTestObject(@2, @"Bar"),
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genTestObject(@3, @"Baz"),
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]];
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IGTestCell *cell1 = (IGTestCell *)[self.collectionView cellForItemAtIndexPath:[NSIndexPath indexPathForItem:0 inSection:0]];
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IGTestCell *cell2 = (IGTestCell *)[self.collectionView cellForItemAtIndexPath:[NSIndexPath indexPathForItem:0 inSection:1]];
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IGTestCell *cell3 = (IGTestCell *)[self.collectionView cellForItemAtIndexPath:[NSIndexPath indexPathForItem:0 inSection:2]];
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XCTAssertEqualObjects(cell1.label.text, @"Foo");
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XCTAssertEqualObjects(cell2.label.text, @"Bar");
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XCTAssertEqualObjects(cell3.label.text, @"Baz");
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}
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- (void)test_whenDisplayingCollectionView_thatCellsAreSized {
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[self setupWithObjects:@[
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genTestObject(@1, @"Foo"),
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genTestObject(@2, @"Bar"),
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genTestObject(@3, @"Baz"),
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]];
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IGTestCell *cell1 = (IGTestCell *)[self.collectionView cellForItemAtIndexPath:[NSIndexPath indexPathForItem:0 inSection:0]];
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IGTestCell *cell2 = (IGTestCell *)[self.collectionView cellForItemAtIndexPath:[NSIndexPath indexPathForItem:0 inSection:1]];
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IGTestCell *cell3 = (IGTestCell *)[self.collectionView cellForItemAtIndexPath:[NSIndexPath indexPathForItem:0 inSection:2]];
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XCTAssertEqual(cell1.frame.size.height, 44);
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XCTAssertEqual(cell2.frame.size.height, 44);
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XCTAssertEqual(cell3.frame.size.height, 44);
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XCTAssertEqual(cell1.frame.size.width, 100);
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XCTAssertEqual(cell2.frame.size.width, 100);
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XCTAssertEqual(cell3.frame.size.width, 100);
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}
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- (void)test_whenItemUpdated_thatCellIsConfigured {
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[self setupWithObjects:@[
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genTestObject(@1, @"Foo"),
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genTestObject(@2, @"Bar"),
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genTestObject(@3, @"Baz"),
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]];
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self.dataSource.objects = @[
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genTestObject(@1, @"Foo"),
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genTestObject(@2, @"Qux"), // new value
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genTestObject(@3, @"Baz"),
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];
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XCTestExpectation *expectation = genExpectation;
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[self.adapter performUpdatesAnimated:YES completion:^(BOOL finished) {
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IGTestCell *cell2 = (IGTestCell *)[self.collectionView cellForItemAtIndexPath:[NSIndexPath indexPathForItem:0 inSection:1]];
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XCTAssertEqualObjects(cell2.label.text, @"Qux");
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[expectation fulfill];
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}];
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[self waitForExpectationsWithTimeout:15 handler:nil];
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}
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@end
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