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added index of page with node method to ASPagerNode along with some t…
…ests (#2561)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| // | ||
| // ASPagerNodeTests.m | ||
| // AsyncDisplayKit | ||
| // | ||
| // Created by Luke Parham on 11/6/16. | ||
| // Copyright © 2016 Facebook. All rights reserved. | ||
| // | ||
|
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| #import <XCTest/XCTest.h> | ||
| #import "ASPagerNode.h" | ||
| #import "ASCellNode.h" | ||
|
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| @interface ASPagerNodeTestDataSource : NSObject <ASPagerDataSource> | ||
| @end | ||
|
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| @implementation ASPagerNodeTestDataSource | ||
|
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| - (instancetype)init | ||
| { | ||
| if (!(self = [super init])) { | ||
| return nil; | ||
| } | ||
| return self; | ||
| } | ||
|
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| - (NSInteger)numberOfPagesInPagerNode:(ASPagerNode *)pagerNode | ||
| { | ||
| return 2; | ||
| } | ||
|
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| - (ASCellNode *)pagerNode:(ASPagerNode *)pagerNode nodeAtIndex:(NSInteger)index | ||
| { | ||
| return [[ASCellNode alloc] init]; | ||
| } | ||
|
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| @end | ||
|
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| @interface ASPagerNodeTestController: UIViewController | ||
| @property (nonatomic, strong) ASPagerNodeTestDataSource *testDataSource; | ||
| @property (nonatomic, strong) ASPagerNode *pagerNode; | ||
| @end | ||
|
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| @implementation ASPagerNodeTestController | ||
|
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| - (instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { | ||
| self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; | ||
| if (self) { | ||
| // Populate these immediately so that they're not unexpectedly nil during tests. | ||
| self.testDataSource = [[ASPagerNodeTestDataSource alloc] init]; | ||
|
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| self.pagerNode = [[ASPagerNode alloc] init]; | ||
| self.pagerNode.dataSource = self.testDataSource; | ||
|
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| [self.view addSubnode:self.pagerNode]; | ||
| } | ||
| return self; | ||
| } | ||
|
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| @end | ||
|
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| @interface ASPagerNodeTests : XCTestCase | ||
| @property (nonatomic, strong) ASPagerNode *pagerNode; | ||
|
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| @property (nonatomic, strong) ASPagerNodeTestDataSource *testDataSource; | ||
| @end | ||
|
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| @implementation ASPagerNodeTests | ||
|
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| - (void)testPagerReturnsIndexOfPages { | ||
| ASPagerNodeTestController *testController = [self testController]; | ||
|
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| ASCellNode *cellNode = [testController.pagerNode nodeForPageAtIndex:0]; | ||
|
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| XCTAssertEqual([testController.pagerNode indexOfPageWithNode:cellNode], 0); | ||
| } | ||
|
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| - (void)testPagerReturnsNotFoundForCellThatDontExistInPager { | ||
| ASPagerNodeTestController *testController = [self testController]; | ||
|
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| ASCellNode *badNode = [[ASCellNode alloc] init]; | ||
|
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| XCTAssertEqual([testController.pagerNode indexOfPageWithNode:badNode], NSNotFound); | ||
| } | ||
|
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| - (ASPagerNodeTestController *)testController { | ||
| ASPagerNodeTestController *testController = [[ASPagerNodeTestController alloc] initWithNibName:nil bundle:nil]; | ||
| UIWindow *window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]]; | ||
| [window makeKeyAndVisible]; | ||
| window.rootViewController = testController; | ||
|
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| [testController.pagerNode reloadData]; | ||
| [testController.pagerNode setNeedsLayout]; | ||
|
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| return testController; | ||
| } | ||
|
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| @end |