| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.setupwizardlib.util; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.mockito.Matchers.eq; |
| import static org.mockito.Matchers.same; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.verify; |
| |
| import android.graphics.Rect; |
| import android.os.Bundle; |
| import androidx.core.view.AccessibilityDelegateCompat; |
| import androidx.core.view.accessibility.AccessibilityNodeInfoCompat; |
| import androidx.core.view.accessibility.AccessibilityNodeInfoCompat.AccessibilityActionCompat; |
| import androidx.customview.widget.ExploreByTouchHelper; |
| import android.text.SpannableStringBuilder; |
| import android.util.DisplayMetrics; |
| import android.util.TypedValue; |
| import android.view.View; |
| import android.view.accessibility.AccessibilityEvent; |
| import android.widget.FrameLayout; |
| import android.widget.TextView; |
| import androidx.core.text.BidiFormatter; |
| import android.support.test.InstrumentationRegistry; |
| import android.support.test.filters.SmallTest; |
| import android.support.test.runner.AndroidJUnit4; |
| import com.android.setupwizardlib.span.LinkSpan; |
| import com.android.setupwizardlib.util.LinkAccessibilityHelper.PreOLinkAccessibilityHelper; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| @RunWith(AndroidJUnit4.class) |
| @SmallTest |
| public class LinkAccessibilityHelperTest { |
| |
| private static final LinkSpan LINK_SPAN = new LinkSpan("foobar"); |
| |
| private TextView mTextView; |
| private TestPreOLinkAccessibilityHelper mHelper; |
| |
| private DisplayMetrics mDisplayMetrics; |
| |
| @Test |
| public void testGetVirtualViewAt() { |
| initTextView(); |
| final int virtualViewId = mHelper.getVirtualViewAt(dp2Px(15), dp2Px(10)); |
| assertEquals("Virtual view ID should be 1", 1, virtualViewId); |
| } |
| |
| @Test |
| public void testGetVirtualViewAtHost() { |
| initTextView(); |
| final int virtualViewId = mHelper.getVirtualViewAt(dp2Px(100), dp2Px(100)); |
| assertEquals( |
| "Virtual view ID should be INVALID_ID", ExploreByTouchHelper.INVALID_ID, virtualViewId); |
| } |
| |
| @Test |
| public void testGetVisibleVirtualViews() { |
| initTextView(); |
| List<Integer> virtualViewIds = new ArrayList<>(); |
| mHelper.getVisibleVirtualViews(virtualViewIds); |
| |
| assertEquals("VisibleVirtualViews should be [1]", Collections.singletonList(1), virtualViewIds); |
| } |
| |
| @Test |
| public void testOnPopulateEventForVirtualView() { |
| initTextView(); |
| AccessibilityEvent event = AccessibilityEvent.obtain(); |
| mHelper.onPopulateEventForVirtualView(1, event); |
| |
| // LinkSpan is set on substring(1, 2) of "Hello world" --> "e" |
| assertEquals( |
| "LinkSpan description should be \"e\"", "e", event.getContentDescription().toString()); |
| |
| event.recycle(); |
| } |
| |
| @Test |
| public void testOnPopulateEventForVirtualViewHost() { |
| initTextView(); |
| AccessibilityEvent event = AccessibilityEvent.obtain(); |
| mHelper.onPopulateEventForVirtualView(ExploreByTouchHelper.INVALID_ID, event); |
| |
| assertEquals( |
| "Host view description should be \"Hello world\"", |
| "Hello world", |
| event.getContentDescription().toString()); |
| |
| event.recycle(); |
| } |
| |
| @Test |
| public void testOnPopulateNodeForVirtualView() { |
| initTextView(); |
| AccessibilityNodeInfoCompat info = AccessibilityNodeInfoCompat.obtain(); |
| mHelper.onPopulateNodeForVirtualView(1, info); |
| |
| assertEquals( |
| "LinkSpan description should be \"e\"", "e", info.getContentDescription().toString()); |
| assertTrue("LinkSpan should be focusable", info.isFocusable()); |
| assertTrue("LinkSpan should be clickable", info.isClickable()); |
| Rect bounds = new Rect(); |
| info.getBoundsInParent(bounds); |
| assertEquals( |
| "LinkSpan bounds should be (10.5dp, 0dp, 18.5dp, 20.5dp)", |
| new Rect(dp2Px(10.5f), dp2Px(0f), dp2Px(18.5f), dp2Px(20.5f)), |
| bounds); |
| |
| info.recycle(); |
| } |
| |
| @Test |
| public void testNullLayout() { |
| initTextView(); |
| // Setting the padding will cause the layout to be null-ed out. |
| mTextView.setPadding(1, 1, 1, 1); |
| |
| AccessibilityNodeInfoCompat info = AccessibilityNodeInfoCompat.obtain(); |
| mHelper.onPopulateNodeForVirtualView(0, info); |
| |
| Rect bounds = new Rect(); |
| info.getBoundsInParent(bounds); |
| assertEquals("LinkSpan bounds should be (0, 0, 1, 1)", new Rect(0, 0, 1, 1), bounds); |
| |
| info.recycle(); |
| } |
| |
| @Test |
| public void testRtlLayout() { |
| SpannableStringBuilder ssb = new SpannableStringBuilder("מכונה בתרגום"); |
| ssb.setSpan(LINK_SPAN, 1, 2, 0 /* flags */); |
| initTextView(ssb); |
| |
| AccessibilityNodeInfoCompat info = AccessibilityNodeInfoCompat.obtain(); |
| mHelper.onPopulateNodeForVirtualView(1, info); |
| |
| assertEquals( |
| "LinkSpan description should be \"כ\"", "כ", info.getContentDescription().toString()); |
| Rect bounds = new Rect(); |
| info.getBoundsInParent(bounds); |
| assertEquals( |
| "LinkSpan bounds should be (481.5dp, 0dp, 489.5dp, 20.5dp)", |
| new Rect(dp2Px(481.5f), dp2Px(0f), dp2Px(489.5f), dp2Px(20.5f)), |
| bounds); |
| |
| info.recycle(); |
| } |
| |
| @Test |
| public void testMultilineLink() { |
| SpannableStringBuilder ssb = |
| new SpannableStringBuilder( |
| "Lorem ipsum dolor sit amet, consectetur adipiscing elit. " |
| + "Praesent accumsan efficitur eros eu porttitor."); |
| ssb.setSpan(LINK_SPAN, 51, 74, 0 /* flags */); |
| initTextView(ssb); |
| |
| AccessibilityNodeInfoCompat info = AccessibilityNodeInfoCompat.obtain(); |
| mHelper.onPopulateNodeForVirtualView(51, info); |
| |
| assertEquals( |
| "LinkSpan description should match the span", |
| "elit. Praesent accumsan", |
| info.getContentDescription().toString()); |
| Rect bounds = new Rect(); |
| info.getBoundsInParent(bounds); |
| assertEquals( |
| "LinkSpan bounds should match first line of the span", |
| new Rect(dp2Px(343f), dp2Px(0f), dp2Px(500f), dp2Px(19.5f)), |
| bounds); |
| |
| info.recycle(); |
| } |
| |
| @Test |
| public void testRtlMultilineLink() { |
| String iwLoremIpsum = |
| "אחר על רביעי אקטואליה. לוח דת אחרות המקובל רומנית, מיזמים מועמדים " |
| + "האנציקלופדיה בה צ'ט. מתן מה שנורו לערוך ייִדיש, בקר או החול אנתרופולוגיה, עוד " |
| + "דפים המחשב מיזמים ב."; |
| SpannableStringBuilder ssb = new SpannableStringBuilder(iwLoremIpsum); |
| ssb.setSpan(LINK_SPAN, 50, 100, 0 /* flags */); |
| initTextView(ssb); |
| |
| AccessibilityNodeInfoCompat info = AccessibilityNodeInfoCompat.obtain(); |
| mHelper.onPopulateNodeForVirtualView(50, info); |
| |
| assertEquals( |
| "LinkSpan description should match the span", |
| iwLoremIpsum.substring(50, 100), |
| info.getContentDescription().toString()); |
| Rect bounds = new Rect(); |
| info.getBoundsInParent(bounds); |
| assertEquals( |
| "LinkSpan bounds should match the first line of the span", |
| new Rect(dp2Px(0f), dp2Px(0f), dp2Px(150f), dp2Px(19.5f)), |
| bounds); |
| |
| info.recycle(); |
| } |
| |
| @Test |
| public void testBidiMultilineLink() { |
| String iwLoremIpsum = |
| "אחר על רביעי אקטואליה. לוח דת אחרות המקובל רומנית, מיזמים מועמדים " |
| + "האנציקלופדיה בה צ'ט. מתן מה שנורו לערוך ייִדיש, בקר או החול אנתרופולוגיה, עוד " |
| + "דפים המחשב מיזמים ב."; |
| BidiFormatter formatter = BidiFormatter.getInstance(false /* rtlContext */); |
| SpannableStringBuilder ssb = new SpannableStringBuilder(); |
| ssb.append("hello ").append(formatter.unicodeWrap(iwLoremIpsum)).append(" world"); |
| ssb.setSpan( |
| LINK_SPAN, |
| "hello ".length() + 2, // Add two for the characters added by BidiFormatter |
| "hello ".length() + 2 + iwLoremIpsum.length(), |
| 0 /* flags */); |
| initTextView(ssb); |
| |
| AccessibilityNodeInfoCompat info = AccessibilityNodeInfoCompat.obtain(); |
| mHelper.onPopulateNodeForVirtualView("hello ".length() + 2, info); |
| |
| assertEquals( |
| "LinkSpan description should match the span", |
| iwLoremIpsum, |
| info.getContentDescription().toString()); |
| Rect bounds = new Rect(); |
| info.getBoundsInParent(bounds); |
| assertEquals( |
| "LinkSpan bounds should match the first line of the span", |
| new Rect(dp2Px(491.5f), dp2Px(0f), dp2Px(500f), dp2Px(19.5f)), |
| bounds); |
| |
| info.recycle(); |
| } |
| |
| @Test |
| public void testMethodDelegation() { |
| initTextView(); |
| AccessibilityDelegateCompat delegate = mock(AccessibilityDelegateCompat.class); |
| LinkAccessibilityHelper helper = new LinkAccessibilityHelper(delegate); |
| |
| AccessibilityEvent accessibilityEvent = |
| AccessibilityEvent.obtain(AccessibilityEvent.TYPE_VIEW_CLICKED); |
| |
| helper.sendAccessibilityEvent(mTextView, AccessibilityEvent.TYPE_VIEW_CLICKED); |
| verify(delegate) |
| .sendAccessibilityEvent(same(mTextView), eq(AccessibilityEvent.TYPE_VIEW_CLICKED)); |
| |
| helper.sendAccessibilityEventUnchecked(mTextView, accessibilityEvent); |
| verify(delegate).sendAccessibilityEventUnchecked(same(mTextView), same(accessibilityEvent)); |
| |
| helper.performAccessibilityAction( |
| mTextView, AccessibilityActionCompat.ACTION_CLICK.getId(), Bundle.EMPTY); |
| verify(delegate) |
| .performAccessibilityAction( |
| same(mTextView), eq(AccessibilityActionCompat.ACTION_CLICK.getId()), eq(Bundle.EMPTY)); |
| |
| helper.dispatchPopulateAccessibilityEvent(mTextView, accessibilityEvent); |
| verify(delegate).dispatchPopulateAccessibilityEvent(same(mTextView), same(accessibilityEvent)); |
| |
| helper.getAccessibilityNodeProvider(mTextView); |
| verify(delegate).getAccessibilityNodeProvider(same(mTextView)); |
| |
| helper.onInitializeAccessibilityEvent(mTextView, accessibilityEvent); |
| verify(delegate).onInitializeAccessibilityEvent(same(mTextView), eq(accessibilityEvent)); |
| |
| AccessibilityNodeInfoCompat accessibilityNodeInfo = AccessibilityNodeInfoCompat.obtain(); |
| helper.onInitializeAccessibilityNodeInfo(mTextView, accessibilityNodeInfo); |
| verify(delegate) |
| .onInitializeAccessibilityNodeInfo(same(mTextView), same(accessibilityNodeInfo)); |
| |
| helper.onPopulateAccessibilityEvent(mTextView, accessibilityEvent); |
| verify(delegate).onPopulateAccessibilityEvent(same(mTextView), same(accessibilityEvent)); |
| |
| FrameLayout parent = new FrameLayout(InstrumentationRegistry.getTargetContext()); |
| helper.onRequestSendAccessibilityEvent(parent, mTextView, accessibilityEvent); |
| verify(delegate) |
| .onRequestSendAccessibilityEvent(same(parent), same(mTextView), same(accessibilityEvent)); |
| } |
| |
| private void initTextView() { |
| SpannableStringBuilder ssb = new SpannableStringBuilder("Hello world"); |
| ssb.setSpan(LINK_SPAN, 1, 2, 0 /* flags */); |
| initTextView(ssb); |
| } |
| |
| private void initTextView(CharSequence text) { |
| mTextView = new TextView(InstrumentationRegistry.getContext()); |
| mTextView.setSingleLine(false); |
| mTextView.setText(text); |
| mTextView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 15); |
| mHelper = new TestPreOLinkAccessibilityHelper(mTextView); |
| |
| int measureExactly500dp = |
| View.MeasureSpec.makeMeasureSpec(dp2Px(500), View.MeasureSpec.EXACTLY); |
| mTextView.measure(measureExactly500dp, measureExactly500dp); |
| mTextView.layout(dp2Px(0), dp2Px(0), dp2Px(500), dp2Px(500)); |
| } |
| |
| private int dp2Px(float dp) { |
| if (mDisplayMetrics == null) { |
| mDisplayMetrics = InstrumentationRegistry.getContext().getResources().getDisplayMetrics(); |
| } |
| return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, mDisplayMetrics); |
| } |
| |
| public static class TestPreOLinkAccessibilityHelper extends PreOLinkAccessibilityHelper { |
| |
| TestPreOLinkAccessibilityHelper(TextView view) { |
| super(view); |
| } |
| |
| @Override |
| public int getVirtualViewAt(float x, float y) { |
| return super.getVirtualViewAt(x, y); |
| } |
| |
| @Override |
| public void getVisibleVirtualViews(List<Integer> virtualViewIds) { |
| super.getVisibleVirtualViews(virtualViewIds); |
| } |
| |
| @Override |
| public void onPopulateEventForVirtualView(int virtualViewId, AccessibilityEvent event) { |
| super.onPopulateEventForVirtualView(virtualViewId, event); |
| } |
| |
| @Override |
| public void onPopulateNodeForVirtualView(int virtualViewId, AccessibilityNodeInfoCompat info) { |
| super.onPopulateNodeForVirtualView(virtualViewId, info); |
| } |
| |
| @Override |
| public boolean onPerformActionForVirtualView(int virtualViewId, int action, Bundle arguments) { |
| return super.onPerformActionForVirtualView(virtualViewId, action, arguments); |
| } |
| } |
| } |