mirror of
https://github.com/TextureGroup/Texture.git
synced 2026-04-07 19:17:39 +00:00
Zev Eisenberg
9e8de03845
* Return nil instead of empty array when no accessibility elements are found. Fixes #1954. * Use nullability annotations to fix static analyzer warnings. * Add UI test target. * Add UI test to make sure web view stays accessible. * Revert "Add UI test to make sure web view stays accessible." This reverts commit 00253f49a0af329602b0d9709b58bc92dcd90147. * Revert "Add UI test target." This reverts commit 288b5e0f564ef3ba3fb5568baa832bc03124cdc9. * Add unit test to make sure accessibility elements are correct when a WKWebView is wrapped in an ASDisplayNode.
662 lines
26 KiB
Plaintext
662 lines
26 KiB
Plaintext
//
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// ASDisplayViewAccessibilityTests.mm
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// Texture
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//
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// Copyright (c) 2018-present, Pinterest, Inc. All rights reserved.
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// 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/_ASDisplayView.h>
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#import <AsyncDisplayKit/_ASDisplayViewAccessiblity.h>
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#import <AsyncDisplayKit/ASButtonNode.h>
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#import <AsyncDisplayKit/ASDisplayNode.h>
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#import <AsyncDisplayKit/ASDisplayNode+Beta.h>
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#import <AsyncDisplayKit/ASTextNode.h>
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#import <AsyncDisplayKit/ASConfiguration.h>
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#import <AsyncDisplayKit/ASConfigurationInternal.h>
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#import <AsyncDisplayKit/ASScrollNode.h>
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#import <AsyncDisplayKit/ASDKViewController.h>
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#import <OCMock/OCMock.h>
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#import "ASDisplayNodeTestsHelper.h"
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#import <WebKit/WebKit.h>
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extern void SortAccessibilityElements(NSMutableArray *elements);
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@interface ASDisplayViewAccessibilityTests : XCTestCase
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@end
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@implementation ASDisplayViewAccessibilityTests
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- (void)testAccessibilityElementsAccessors
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{
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// Setup nodes with accessibility info
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ASDisplayNode *node = nil;
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ASDisplayNode *subnode = nil;
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node = [[ASDisplayNode alloc] init];
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subnode = [[ASDisplayNode alloc] init];
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UIWindow *window = [[UIWindow alloc] initWithFrame:CGRectMake(0, 0, 320, 560)];
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[window addSubnode:node];
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[window makeKeyAndVisible];
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NSString *label = @"foo";
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subnode.isAccessibilityElement = YES;
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subnode.accessibilityLabel = label;
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[node addSubnode:subnode];
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XCTAssertEqualObjects([node.view.accessibilityElements.firstObject accessibilityLabel], label);
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// NOTE: The following tests will fail unless accessibility is enabled, e.g. by turning the
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// accessibility inspector on. See https://github.com/TextureGroup/Texture/pull/1069 for details.
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/*XCTAssertEqualObjects([[node.view accessibilityElementAtIndex:0] accessibilityLabel], label);
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XCTAssertEqual(node.view.accessibilityElementCount, 1);
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XCTAssertEqual([node.view indexOfAccessibilityElement:node.view.accessibilityElements.firstObject], 0);*/
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}
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- (void)testThatSubnodeAccessibilityLabelAggregationWorks
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{
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// Setup nodes
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ASDisplayNode *node = nil;
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ASDisplayNode *innerNode1 = nil;
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ASDisplayNode *innerNode2 = nil;
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node = [[ASDisplayNode alloc] init];
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innerNode1 = [[ASDisplayNode alloc] init];
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innerNode2 = [[ASDisplayNode alloc] init];
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UIWindow *window = [[UIWindow alloc] initWithFrame:CGRectMake(0, 0, 320, 560)];
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[window addSubnode:node];
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[window makeKeyAndVisible];
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// Initialize nodes with relevant accessibility data
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node.isAccessibilityContainer = YES;
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innerNode1.accessibilityLabel = @"hello";
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innerNode2.accessibilityLabel = @"world";
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// Attach the subnodes to the parent node, then ensure their accessibility labels have been'
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// aggregated to the parent's accessibility label
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[node addSubnode:innerNode1];
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[node addSubnode:innerNode2];
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XCTAssertEqualObjects([node.view.accessibilityElements.firstObject accessibilityLabel],
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@"hello, world", @"Subnode accessibility label aggregation broken %@",
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[node.view.accessibilityElements.firstObject accessibilityLabel]);
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}
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- (void)testThatContainerAccessibilityLabelOverrideStopsAggregation
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{
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// Setup nodes
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ASDisplayNode *node = nil;
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ASDisplayNode *innerNode = nil;
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node = [[ASDisplayNode alloc] init];
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innerNode = [[ASDisplayNode alloc] init];
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UIWindow *window = [[UIWindow alloc] initWithFrame:CGRectMake(0, 0, 320, 560)];
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[window addSubnode:node];
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[window makeKeyAndVisible];
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// Initialize nodes with relevant accessibility data
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node.isAccessibilityContainer = YES;
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node.accessibilityLabel = @"hello";
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innerNode.accessibilityLabel = @"world";
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// Attach the subnode to the parent node, then ensure the parent's accessibility label does not
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// get aggregated with the subnode's label
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[node addSubnode:innerNode];
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XCTAssertEqualObjects([node.view.accessibilityElements.firstObject accessibilityLabel], @"hello",
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@"Container accessibility label override broken %@",
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[node.view.accessibilityElements.firstObject accessibilityLabel]);
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}
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- (void)testAccessibilityLayerBackedContainerWithinAccessibilityContainer
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{
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ASDisplayNode *container = [[ASDisplayNode alloc] init];
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UIWindow *window = [[UIWindow alloc] initWithFrame:CGRectMake(0, 0, 320, 560)];
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[window addSubnode:container];
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[window makeKeyAndVisible];
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container.frame = CGRectMake(50, 50, 200, 600);
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container.isAccessibilityContainer = YES;
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ASDisplayNode *subContainer = [[ASDisplayNode alloc] init];
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subContainer.frame = CGRectMake(50, 50, 200, 600);
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subContainer.layerBacked = YES;
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subContainer.isAccessibilityContainer = YES;
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[container addSubnode:subContainer];
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ASTextNode *text1 = [[ASTextNode alloc] init];
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text1.attributedText = [[NSAttributedString alloc] initWithString:@"hello"];
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text1.frame = CGRectMake(50, 100, 200, 200);
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text1.layerBacked = YES;
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[subContainer addSubnode:text1];
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ASTextNode *text2 = [[ASTextNode alloc] init];
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text2.attributedText = [[NSAttributedString alloc] initWithString:@"world"];
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text2.frame = CGRectMake(50, 300, 200, 200);
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text2.layerBacked = YES;
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[subContainer addSubnode:text2];
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NSArray<UIAccessibilityElement *> *accessibilityElements = container.view.accessibilityElements;
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XCTAssertEqual(accessibilityElements.count, 2);
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XCTAssertEqualObjects(accessibilityElements[1].accessibilityLabel, @"hello, world");
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}
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- (void)testAccessibilityNonLayerbackedNodesOperationInNonContainer
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{
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ASDisplayNode *container = [[ASDisplayNode alloc] init];
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UIWindow *window = [[UIWindow alloc] initWithFrame:CGRectMake(0, 0, 320, 560)];
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[window addSubnode:container];
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[window makeKeyAndVisible];
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container.frame = CGRectMake(50, 50, 200, 600);
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container.backgroundColor = [UIColor grayColor];
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// Do any additional setup after loading the view, typically from a nib.
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ASTextNode *text1 = [[ASTextNode alloc] init];
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text1.attributedText = [[NSAttributedString alloc] initWithString:@"hello"];
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text1.frame = CGRectMake(50, 100, 200, 200);
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[container addSubnode:text1];
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[container layoutIfNeeded];
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[container.layer displayIfNeeded];
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NSArray<UIAccessibilityElement *> *elements = container.view.accessibilityElements;
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XCTAssertTrue(elements.count == 1);
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XCTAssertTrue([[elements.firstObject accessibilityLabel] isEqualToString:@"hello"]);
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ASTextNode *text2 = [[ASTextNode alloc] init];
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text2.attributedText = [[NSAttributedString alloc] initWithString:@"world"];
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text2.frame = CGRectMake(50, 300, 200, 200);
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[container addSubnode:text2];
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[container layoutIfNeeded];
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[container.layer displayIfNeeded];
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ASCATransactionQueueWait(nil);
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NSArray<UIAccessibilityElement *> *updatedElements = container.view.accessibilityElements;
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XCTAssertTrue(updatedElements.count == 2);
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XCTAssertTrue([[updatedElements.firstObject accessibilityLabel] isEqualToString:@"hello"]);
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XCTAssertTrue([[updatedElements.lastObject accessibilityLabel] isEqualToString:@"world"]);
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ASTextNode *text3 = [[ASTextNode alloc] init];
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text3.attributedText = [[NSAttributedString alloc] initWithString:@"!!!!"];
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text3.frame = CGRectMake(50, 400, 200, 100);
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[text2 addSubnode:text3];
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[container layoutIfNeeded];
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[container.layer displayIfNeeded];
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ASCATransactionQueueWait(nil);
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NSArray<UIAccessibilityElement *> *updatedElements2 = container.view.accessibilityElements;
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//text3 won't be read out cause it's overshadowed by text2
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XCTAssertTrue(updatedElements2.count == 2);
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XCTAssertTrue([[updatedElements2.firstObject accessibilityLabel] isEqualToString:@"hello"]);
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XCTAssertTrue([[updatedElements2.lastObject accessibilityLabel] isEqualToString:@"world"]);
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}
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- (void)testAccessibilityElementsAreNilForWrappedWKWebView {
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ASDisplayNode *container = [[ASDisplayNode alloc] init];
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UIWindow *window = [[UIWindow alloc] initWithFrame:CGRectMake(0, 0, 320, 560)];
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[window addSubnode:container];
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[window makeKeyAndVisible];
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container.frame = CGRectMake(50, 50, 200, 600);
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WKWebView *webView = [[WKWebView alloc] initWithFrame:CGRectMake(0, 0, 200, 400)];
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[container.view addSubview:webView];
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NSString *htmlString =
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@"<html>"
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@" <head>"
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@" <meta name='viewport' content='width=device-width' />"
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@" </head>"
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@" <body>"
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@" <h1>Texture is Awesome!</h1>"
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@" <p>Especially when web views inside nodes are accessible.</p>"
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@" </body>"
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@" </html>";
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[webView loadHTMLString:htmlString baseURL:nil];
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// Accessibility elements should be nil in this case, because
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// WKWebView handles accessibility out of process.
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NSArray *accessibilityElements = container.accessibilityElements;
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XCTAssertNil(accessibilityElements);
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}
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#pragma mark -
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#pragma mark UIAccessibilityAction Forwarding
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- (void)testActionForwarding {
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ASDisplayNode *node = [ASDisplayNode new];
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UIView *view = node.view;
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id mockNode = OCMPartialMock(node);
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OCMExpect([mockNode accessibilityActivate]);
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[view accessibilityActivate];
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OCMExpect([mockNode accessibilityIncrement]);
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[view accessibilityIncrement];
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OCMExpect([mockNode accessibilityDecrement]);
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[view accessibilityDecrement];
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OCMExpect([mockNode accessibilityScroll:UIAccessibilityScrollDirectionDown]);
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[view accessibilityScroll:UIAccessibilityScrollDirectionDown];
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OCMExpect([mockNode accessibilityPerformEscape]);
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[view accessibilityPerformEscape];
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OCMExpect([mockNode accessibilityPerformMagicTap]);
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[view accessibilityPerformMagicTap];
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OCMVerifyAll(mockNode);
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}
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#pragma mark -
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#pragma mark AccessibilityElements
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// dummy action for a button
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- (void)fakeSelector:(id)sender { }
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- (void)testThatAccessibilityElementsWorks {
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ASDisplayNode *containerNode = [[ASDisplayNode alloc] init];
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UIWindow *window = [[UIWindow alloc] initWithFrame:CGRectMake(0, 0, 320, 560)];
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[window addSubnode:containerNode];
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[window makeKeyAndVisible];
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containerNode.frame = CGRectMake(0, 0, 100, 200);
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ASTextNode *label = [[ASTextNode alloc] init];
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label.attributedText = [[NSAttributedString alloc] initWithString:@"test label"];
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label.frame = CGRectMake(0, 0, 100, 20);
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ASButtonNode *button = [[ASButtonNode alloc] init];
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[button setTitle:@"tap me" withFont:[UIFont systemFontOfSize:17] withColor:nil forState:UIControlStateNormal];
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[button addTarget:self action:@selector(fakeSelector:) forControlEvents:ASControlNodeEventTouchUpInside];
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button.frame = CGRectMake(0, 25, 100, 20);
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[containerNode addSubnode:label];
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[containerNode addSubnode:button];
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// force load
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__unused UIView *view = containerNode.view;
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NSArray *elements = [containerNode.view accessibilityElements];
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XCTAssertTrue(elements.count == 2);
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XCTAssertEqual([elements.firstObject asyncdisplaykit_node], label);
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XCTAssertEqual([elements.lastObject asyncdisplaykit_node], button);
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}
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- (void)testThatAccessibilityElementsOverrideWorks {
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ASDisplayNode *containerNode = [[ASDisplayNode alloc] init];
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containerNode.frame = CGRectMake(0, 0, 100, 200);
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ASTextNode *label = [[ASTextNode alloc] init];
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label.attributedText = [[NSAttributedString alloc] initWithString:@"test label"];
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label.frame = CGRectMake(0, 0, 100, 20);
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ASButtonNode *button = [[ASButtonNode alloc] init];
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[button setTitle:@"tap me" withFont:[UIFont systemFontOfSize:17] withColor:nil forState:UIControlStateNormal];
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[button addTarget:self action:@selector(fakeSelector:) forControlEvents:ASControlNodeEventTouchUpInside];
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button.frame = CGRectMake(0, 25, 100, 20);
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[containerNode addSubnode:label];
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[containerNode addSubnode:button];
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containerNode.accessibilityElements = @[ label ];
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// force load
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__unused UIView *view = containerNode.view;
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NSArray *elements = [containerNode.view accessibilityElements];
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XCTAssertTrue(elements.count == 1);
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XCTAssertEqual(elements.firstObject, label);
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}
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- (void)testHiddenAccessibilityElements {
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ASDisplayNode *containerNode = [[ASDisplayNode alloc] init];
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UIWindow *window = [[UIWindow alloc] initWithFrame:CGRectMake(0, 0, 320, 560)];
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[window addSubnode:containerNode];
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[window makeKeyAndVisible];
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containerNode.frame = CGRectMake(0, 0, 100, 200);
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ASTextNode *label = [[ASTextNode alloc] init];
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label.attributedText = [[NSAttributedString alloc] initWithString:@"test label"];
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label.frame = CGRectMake(0, 0, 100, 20);
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ASTextNode *hiddenLabel = [[ASTextNode alloc] init];
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hiddenLabel.attributedText = [[NSAttributedString alloc] initWithString:@"hidden label"];
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hiddenLabel.frame = CGRectMake(0, 24, 100, 20);
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hiddenLabel.hidden = YES;
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[containerNode addSubnode:label];
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[containerNode addSubnode:hiddenLabel];
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// force load
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__unused UIView *view = containerNode.view;
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NSArray *elements = [containerNode.view accessibilityElements];
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XCTAssertTrue(elements.count == 1);
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XCTAssertEqual(elements.firstObject, label.view);
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}
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- (void)testTransparentAccessibilityElements {
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ASDisplayNode *containerNode = [[ASDisplayNode alloc] init];
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UIWindow *window = [[UIWindow alloc] initWithFrame:CGRectMake(0, 0, 320, 560)];
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[window addSubnode:containerNode];
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[window makeKeyAndVisible];
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containerNode.frame = CGRectMake(0, 0, 100, 200);
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ASTextNode *label = [[ASTextNode alloc] init];
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label.attributedText = [[NSAttributedString alloc] initWithString:@"test label"];
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label.frame = CGRectMake(0, 0, 100, 20);
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ASTextNode *hiddenLabel = [[ASTextNode alloc] init];
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hiddenLabel.attributedText = [[NSAttributedString alloc] initWithString:@"hidden label"];
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hiddenLabel.frame = CGRectMake(0, 24, 100, 20);
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hiddenLabel.alpha = 0.0;
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[containerNode addSubnode:label];
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[containerNode addSubnode:hiddenLabel];
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// force load
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__unused UIView *view = containerNode.view;
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NSArray *elements = [containerNode.view accessibilityElements];
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XCTAssertTrue(elements.count == 1);
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XCTAssertEqual(elements.firstObject, label.view);
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}
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- (void)testAccessibilityElementsNotInAppWindow {
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UIWindow *window = [[UIWindow alloc] initWithFrame:CGRectMake(0, 0, 320, 568)];
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ASDisplayNode *node = [[ASDisplayNode alloc] init];
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node.automaticallyManagesSubnodes = YES;
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ASDKViewController *vc = [[ASDKViewController alloc] initWithNode:node];
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window.rootViewController = vc;
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[window makeKeyAndVisible];
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[window layoutIfNeeded];
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CGSize windowSize = window.frame.size;
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ASTextNode *label = [[ASTextNode alloc] init];
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label.attributedText = [[NSAttributedString alloc] initWithString:@"on screen"];
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label.frame = CGRectMake(0, 0, 100, 20);
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ASTextNode *partiallyOnScreenNodeY = [[ASTextNode alloc] init];
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partiallyOnScreenNodeY.attributedText = [[NSAttributedString alloc] initWithString:@"partially on screen y"];
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partiallyOnScreenNodeY.frame = CGRectMake(0, windowSize.height - 10, 100, 20);
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ASTextNode *partiallyOnScreenNodeX = [[ASTextNode alloc] init];
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partiallyOnScreenNodeX.attributedText = [[NSAttributedString alloc] initWithString:@"partially on screen x"];
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partiallyOnScreenNodeX.frame = CGRectMake(windowSize.width - 10, 100, 100, 20);
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ASTextNode *offScreenNodeY = [[ASTextNode alloc] init];
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offScreenNodeY.attributedText = [[NSAttributedString alloc] initWithString:@"off screen y"];
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offScreenNodeY.frame = CGRectMake(0, windowSize.height + 10, 100, 20);
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ASTextNode *offScreenNodeX = [[ASTextNode alloc] init];
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offScreenNodeX.attributedText = [[NSAttributedString alloc] initWithString:@"off screen x"];
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offScreenNodeX.frame = CGRectMake(windowSize.width + 1, 200, 100, 20);
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ASTextNode *offScreenNode = [[ASTextNode alloc] init];
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offScreenNode.attributedText = [[NSAttributedString alloc] initWithString:@"off screen"];
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offScreenNode.frame = CGRectMake(windowSize.width + 1, windowSize.height + 1, 100, 20);
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[node addSubnode:label];
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[node addSubnode:partiallyOnScreenNodeY];
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[node addSubnode:partiallyOnScreenNodeX];
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[node addSubnode:offScreenNodeY];
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[node addSubnode:offScreenNodeX];
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[node addSubnode:offScreenNode];
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NSArray *elements = [node.view accessibilityElements];
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XCTAssertTrue(elements.count == 3);
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XCTAssertTrue([elements containsObject:label.view]);
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XCTAssertTrue([elements containsObject:partiallyOnScreenNodeX.view]);
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XCTAssertTrue([elements containsObject:partiallyOnScreenNodeY.view]);
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}
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- (void)testAccessibilityElementsNotInAppWindowButInScrollView {
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UIWindow *window = [[UIWindow alloc] initWithFrame:CGRectMake(0, 0, 320, 568)];
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ASScrollNode *node = [[ASScrollNode alloc] init];
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node.automaticallyManagesSubnodes = YES;
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ASDKViewController *vc = [[ASDKViewController alloc] initWithNode:node];
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window.rootViewController = vc;
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[window makeKeyAndVisible];
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[window layoutIfNeeded];
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CGSize windowSize = window.frame.size;
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node.view.contentSize = CGSizeMake(window.frame.size.width, window.frame.size.height * 2.0);
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ASTextNode *label = [[ASTextNode alloc] init];
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label.attributedText = [[NSAttributedString alloc] initWithString:@"on screen"];
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label.frame = CGRectMake(0, 0, 100, 20);
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ASTextNode *partiallyOnScreenNodeY = [[ASTextNode alloc] init];
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partiallyOnScreenNodeY.attributedText = [[NSAttributedString alloc] initWithString:@"partially on screen y"];
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partiallyOnScreenNodeY.frame = CGRectMake(0, windowSize.height - 10, 100, 20);
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ASTextNode *partiallyOnScreenNodeX = [[ASTextNode alloc] init];
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partiallyOnScreenNodeX.attributedText = [[NSAttributedString alloc] initWithString:@"partially on screen x"];
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partiallyOnScreenNodeX.frame = CGRectMake(windowSize.width - 10, 100, 100, 20);
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ASTextNode *offScreenNodeY = [[ASTextNode alloc] init];
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offScreenNodeY.attributedText = [[NSAttributedString alloc] initWithString:@"off screen y"];
|
|
offScreenNodeY.frame = CGRectMake(0, windowSize.height + 10, 100, 20);
|
|
|
|
ASTextNode *offScreenNodeX = [[ASTextNode alloc] init];
|
|
offScreenNodeX.attributedText = [[NSAttributedString alloc] initWithString:@"off screen x"];
|
|
offScreenNodeX.frame = CGRectMake(windowSize.width + 1, 200, 100, 20);
|
|
|
|
ASTextNode *offScreenNode = [[ASTextNode alloc] init];
|
|
offScreenNode.attributedText = [[NSAttributedString alloc] initWithString:@"off screen"];
|
|
offScreenNode.frame = CGRectMake(windowSize.width + 1, windowSize.height + 1, 100, 20);
|
|
|
|
[node addSubnode:label];
|
|
[node addSubnode:partiallyOnScreenNodeY];
|
|
[node addSubnode:partiallyOnScreenNodeX];
|
|
[node addSubnode:offScreenNodeY];
|
|
[node addSubnode:offScreenNodeX];
|
|
[node addSubnode:offScreenNode];
|
|
|
|
NSArray *elements = [node.view accessibilityElements];
|
|
XCTAssertTrue(elements.count == 6);
|
|
XCTAssertTrue([elements containsObject:label.view]);
|
|
XCTAssertTrue([elements containsObject:partiallyOnScreenNodeX.view]);
|
|
XCTAssertTrue([elements containsObject:partiallyOnScreenNodeY.view]);
|
|
XCTAssertTrue([elements containsObject:offScreenNodeY.view]);
|
|
XCTAssertTrue([elements containsObject:offScreenNodeX.view]);
|
|
XCTAssertTrue([elements containsObject:offScreenNode.view]);
|
|
}
|
|
|
|
- (void)testAccessibilitySort {
|
|
ASDisplayNode *node1 = [[ASDisplayNode alloc] init];
|
|
node1.accessibilityFrame = CGRectMake(0, 0, 50, 200);
|
|
|
|
ASDisplayNode *node2 = [[ASDisplayNode alloc] init];
|
|
node2.accessibilityFrame = CGRectMake(0, 0, 100, 200);
|
|
|
|
ASDisplayNode *node3 = [[ASDisplayNode alloc] init];
|
|
node3.accessibilityFrame = CGRectMake(0, 1, 100, 200);
|
|
|
|
ASDisplayNode *node4 = [[ASDisplayNode alloc] init];
|
|
node4.accessibilityFrame = CGRectMake(1, 1, 100, 200);
|
|
|
|
NSMutableArray *elements = [@[node2, node4, node3, node1] mutableCopy];
|
|
SortAccessibilityElements(elements);
|
|
XCTAssertEqual(elements[0], node1);
|
|
XCTAssertEqual(elements[1], node2);
|
|
XCTAssertEqual(elements[2], node3);
|
|
XCTAssertEqual(elements[3], node4);
|
|
}
|
|
|
|
- (void)testCustomAccessibilitySort {
|
|
|
|
// silly custom sorter that puts items with the largest height first.
|
|
setUserDefinedAccessibilitySortComparator(^NSComparisonResult(NSObject *a, NSObject *b) {
|
|
if (a.accessibilityFrame.size.height == b.accessibilityFrame.size.height) {
|
|
return NSOrderedSame;
|
|
}
|
|
return a.accessibilityFrame.size.height > b.accessibilityFrame.size.height ? NSOrderedAscending : NSOrderedDescending;
|
|
});
|
|
|
|
ASDisplayNode *node1 = [[ASDisplayNode alloc] init];
|
|
node1.accessibilityFrame = CGRectMake(0, 0, 50, 300);
|
|
|
|
ASDisplayNode *node2 = [[ASDisplayNode alloc] init];
|
|
node2.accessibilityFrame = CGRectMake(0, 0, 100, 250);
|
|
|
|
ASDisplayNode *node3 = [[ASDisplayNode alloc] init];
|
|
node3.accessibilityFrame = CGRectMake(0, 0, 100, 200);
|
|
|
|
ASDisplayNode *node4 = [[ASDisplayNode alloc] init];
|
|
node4.accessibilityFrame = CGRectMake(0, 0, 100, 150);
|
|
|
|
NSMutableArray *elements = [@[node2, node4, node3, node1] mutableCopy];
|
|
SortAccessibilityElements(elements);
|
|
XCTAssertEqual(elements[0], node1);
|
|
XCTAssertEqual(elements[1], node2);
|
|
XCTAssertEqual(elements[2], node3);
|
|
XCTAssertEqual(elements[3], node4);
|
|
}
|
|
|
|
- (void)testSubnodeIsModal {
|
|
|
|
UIWindow *window = [[UIWindow alloc] initWithFrame:CGRectMake(0, 0, 320, 568)];
|
|
ASDisplayNode *node = [[ASDisplayNode alloc] init];
|
|
node.automaticallyManagesSubnodes = YES;
|
|
|
|
ASDKViewController *vc = [[ASDKViewController alloc] initWithNode:node];
|
|
window.rootViewController = vc;
|
|
[window makeKeyAndVisible];
|
|
[window layoutIfNeeded];
|
|
|
|
ASTextNode *label1 = [[ASTextNode alloc] init];
|
|
label1.attributedText = [[NSAttributedString alloc] initWithString:@"label1"];
|
|
label1.frame = CGRectMake(10, 80, 300, 20);
|
|
[node addSubnode:label1];
|
|
|
|
ASTextNode *label2 = [[ASTextNode alloc] init];
|
|
label2.attributedText = [[NSAttributedString alloc] initWithString:@"label2"];
|
|
label2.frame = CGRectMake(10, CGRectGetMaxY(label1.frame) + 8, 300, 20);
|
|
[node addSubnode:label2];
|
|
|
|
ASDisplayNode *modalNode = [[ASDisplayNode alloc] init];
|
|
modalNode.frame = CGRectInset(CGRectUnion(label1.frame, label2.frame), -8, -8);
|
|
|
|
// This is kind of cheating. When voice over is activated, the modal node will end up reporting that it
|
|
// has 1 accessibilityElement. But getting that to happen in a unit test doesn't seem possible.
|
|
id modalMock = OCMPartialMock(modalNode);
|
|
OCMStub([modalMock accessibilityElementCount]).andReturn(1);
|
|
[node addSubnode:modalMock];
|
|
|
|
ASTextNode *label3 = [[ASTextNode alloc] init];
|
|
label3.attributedText = [[NSAttributedString alloc] initWithString:@"label6"];
|
|
label3.frame = CGRectMake(8, 4, 200, 20);
|
|
|
|
[modalNode addSubnode:label3];
|
|
modalNode.accessibilityViewIsModal = YES;
|
|
NSArray *elements = [node.view accessibilityElements];
|
|
XCTAssertTrue(elements.count == 1);
|
|
XCTAssertTrue([elements containsObject:modalNode.view]);
|
|
}
|
|
|
|
- (void)testMultipleSubnodesAreModal {
|
|
|
|
UIWindow *window = [[UIWindow alloc] initWithFrame:CGRectMake(0, 0, 320, 568)];
|
|
ASDisplayNode *node = [[ASDisplayNode alloc] init];
|
|
node.automaticallyManagesSubnodes = YES;
|
|
|
|
ASDKViewController *vc = [[ASDKViewController alloc] initWithNode:node];
|
|
window.rootViewController = vc;
|
|
[window makeKeyAndVisible];
|
|
[window layoutIfNeeded];
|
|
|
|
ASTextNode *label1 = [[ASTextNode alloc] init];
|
|
label1.attributedText = [[NSAttributedString alloc] initWithString:@"label1"];
|
|
label1.frame = CGRectMake(10, 80, 300, 20);
|
|
[node addSubnode:label1];
|
|
|
|
ASTextNode *label2 = [[ASTextNode alloc] init];
|
|
label2.attributedText = [[NSAttributedString alloc] initWithString:@"label2"];
|
|
label2.frame = CGRectMake(10, CGRectGetMaxY(label1.frame) + 8, 300, 20);
|
|
[node addSubnode:label2];
|
|
|
|
ASDisplayNode *modalNode1 = [[ASDisplayNode alloc] init];
|
|
modalNode1.frame = CGRectInset(CGRectUnion(label1.frame, label2.frame), -8, -8);
|
|
|
|
// This is kind of cheating. When voice over is activated, the modal node will end up reporting that it
|
|
// has 1 accessibilityElement. But getting that to happen in a unit test doesn't seem possible.
|
|
id modalMock1 = OCMPartialMock(modalNode1);
|
|
OCMStub([modalMock1 accessibilityElementCount]).andReturn(1);
|
|
|
|
ASTextNode *label3 = [[ASTextNode alloc] init];
|
|
label3.attributedText = [[NSAttributedString alloc] initWithString:@"label6"];
|
|
label3.frame = CGRectMake(8, 4, 200, 20);
|
|
[modalNode1 addSubnode:label3];
|
|
modalNode1.accessibilityViewIsModal = YES;
|
|
|
|
ASDisplayNode *modalNode2 = [[ASDisplayNode alloc] init];
|
|
modalNode2.frame = CGRectOffset(modalNode1.frame, 0, modalNode1.frame.size.height + 10);
|
|
id modalMock2 = OCMPartialMock(modalNode2);
|
|
OCMStub([modalMock2 accessibilityElementCount]).andReturn(1);
|
|
|
|
ASTextNode *label4 = [[ASTextNode alloc] init];
|
|
label4.attributedText = [[NSAttributedString alloc] initWithString:@"label6"];
|
|
label4.frame = CGRectMake(8, 4, 200, 20);
|
|
[modalNode2 addSubnode:label4];
|
|
modalNode2.accessibilityViewIsModal = YES;
|
|
|
|
// add modalNode1 last, and assert that it is the one that appears in accessibilityElements
|
|
// (UIKit uses the last modal subview in subviews as the modal element).
|
|
[node addSubnode:modalMock2];
|
|
[node addSubnode:modalMock1];
|
|
|
|
NSArray *elements = [node.view accessibilityElements];
|
|
XCTAssertTrue(elements.count == 1);
|
|
XCTAssertTrue([elements containsObject:modalNode1.view]);
|
|
|
|
// let's change which node is modal and make sure the elements get updated.
|
|
modalNode1.accessibilityViewIsModal = NO;
|
|
elements = [node.view accessibilityElements];
|
|
XCTAssertTrue(elements.count == 1);
|
|
XCTAssertTrue([elements containsObject:modalNode2.view]);
|
|
}
|
|
|
|
- (void)testAccessibilityElementsHidden {
|
|
|
|
UIWindow *window = [[UIWindow alloc] initWithFrame:CGRectMake(0, 0, 320, 568)];
|
|
ASDisplayNode *node = [[ASDisplayNode alloc] init];
|
|
node.automaticallyManagesSubnodes = YES;
|
|
|
|
ASDKViewController *vc = [[ASDKViewController alloc] initWithNode:node];
|
|
window.rootViewController = vc;
|
|
[window makeKeyAndVisible];
|
|
[window layoutIfNeeded];
|
|
|
|
ASTextNode *label1 = [[ASTextNode alloc] init];
|
|
label1.attributedText = [[NSAttributedString alloc] initWithString:@"on screen"];
|
|
label1.frame = CGRectMake(0, 0, 100, 20);
|
|
|
|
ASTextNode *label2 = [[ASTextNode alloc] init];
|
|
label2.attributedText = [[NSAttributedString alloc] initWithString:@"partially on screen y"];
|
|
label2.frame = CGRectMake(0, 20, 100, 20);
|
|
|
|
[node addSubnode:label1];
|
|
[node addSubnode:label2];
|
|
|
|
NSArray *elements = [node.view accessibilityElements];
|
|
XCTAssertTrue(elements.count == 2);
|
|
XCTAssertTrue([elements containsObject:label1.view]);
|
|
XCTAssertTrue([elements containsObject:label2.view]);
|
|
|
|
node.accessibilityElementsHidden = YES;
|
|
elements = [node.view accessibilityElements];
|
|
XCTAssertTrue(elements.count == 0);
|
|
|
|
node.accessibilityElementsHidden = NO;
|
|
elements = [node.view accessibilityElements];
|
|
XCTAssertTrue(elements.count == 2);
|
|
XCTAssertTrue([elements containsObject:label1.view]);
|
|
XCTAssertTrue([elements containsObject:label2.view]);
|
|
}
|
|
|
|
@end
|