Setup AccessibilitySettingsForSetupWizard test infrastructure

Bug: 197695932
Test: make RunSettingsRoboTests ROBOTEST_FILTER=AccessibilitySettingsForSetupWizardTest
Change-Id: I9438f770bfe2ef5f03206fc4645e77bab6328cc6

src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizard.java

@@ -33,6 +33,7 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.view.accessibility.AccessibilityManager;
 
+import androidx.annotation.VisibleForTesting;
 import androidx.preference.Preference;
 import androidx.recyclerview.widget.RecyclerView;
 
@@ -58,17 +59,21 @@ public class AccessibilitySettingsForSetupWizard extends DashboardFragment
     private static final String SELECT_TO_SPEAK_PREFERENCE = "select_to_speak_preference";
 
     // Package names and service names used to identify screen reader and SelectToSpeak services.
-    private static final String SCREEN_READER_PACKAGE_NAME = "com.google.android.marvin.talkback";
+    @VisibleForTesting
-    private static final String SCREEN_READER_SERVICE_NAME =
+    static final String SCREEN_READER_PACKAGE_NAME = "com.google.android.marvin.talkback";
+    @VisibleForTesting
+    static final String SCREEN_READER_SERVICE_NAME =
             "com.google.android.marvin.talkback.TalkBackService";
-    private static final String SELECT_TO_SPEAK_PACKAGE_NAME = "com.google.android.marvin.talkback";
+    @VisibleForTesting
-    private static final String SELECT_TO_SPEAK_SERVICE_NAME =
+    static final String SELECT_TO_SPEAK_PACKAGE_NAME = "com.google.android.marvin.talkback";
+    @VisibleForTesting
+    static final String SELECT_TO_SPEAK_SERVICE_NAME =
             "com.google.android.accessibility.selecttospeak.SelectToSpeakService";
 
     // Preference controls.
-    private Preference mDisplayMagnificationPreference;
+    protected Preference mDisplayMagnificationPreference;
-    private RestrictedPreference mScreenReaderPreference;
+    protected RestrictedPreference mScreenReaderPreference;
-    private RestrictedPreference mSelectToSpeakPreference;
+    protected RestrictedPreference mSelectToSpeakPreference;
 
     @Override
     public int getMetricsCategory() {

tests/robotests/src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizardTest.java

@@ -0,0 +1,192 @@
+/*
+ * Copyright (C) 2022 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.settings.accessibility;
+
+import static com.android.settings.accessibility.AccessibilitySettingsForSetupWizard.SCREEN_READER_PACKAGE_NAME;
+import static com.android.settings.accessibility.AccessibilitySettingsForSetupWizard.SCREEN_READER_SERVICE_NAME;
+import static com.android.settings.accessibility.AccessibilitySettingsForSetupWizard.SELECT_TO_SPEAK_PACKAGE_NAME;
+import static com.android.settings.accessibility.AccessibilitySettingsForSetupWizard.SELECT_TO_SPEAK_SERVICE_NAME;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.accessibilityservice.AccessibilityServiceInfo;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.pm.ResolveInfo;
+import android.content.pm.ServiceInfo;
+import android.view.accessibility.AccessibilityManager;
+
+import androidx.fragment.app.FragmentActivity;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
+import androidx.test.core.app.ApplicationProvider;
+
+import com.android.settings.R;
+import com.android.settingslib.RestrictedPreference;
+
+import com.google.android.setupdesign.GlifPreferenceLayout;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnit;
+import org.mockito.junit.MockitoRule;
+import org.robolectric.RobolectricTestRunner;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Tests for {@link AccessibilitySettingsForSetupWizard}.
+ */
+@RunWith(RobolectricTestRunner.class)
+public class AccessibilitySettingsForSetupWizardTest {
+
+    private static final ComponentName TEST_SCREEN_READER_COMPONENT_NAME = new ComponentName(
+            SCREEN_READER_PACKAGE_NAME, SCREEN_READER_SERVICE_NAME);
+    private static final ComponentName TEST_SELECT_TO_SPEAK_COMPONENT_NAME = new ComponentName(
+            SELECT_TO_SPEAK_PACKAGE_NAME, SELECT_TO_SPEAK_SERVICE_NAME);
+    private final Context mContext = ApplicationProvider.getApplicationContext();
+    private final List<AccessibilityServiceInfo> mAccessibilityServices = new ArrayList<>();
+    @Rule
+    public MockitoRule mMockitoRule = MockitoJUnit.rule();
+    @Mock
+    private AccessibilityManager mAccessibilityManager;
+    @Mock
+    private FragmentActivity mActivity;
+    @Mock
+    private GlifPreferenceLayout mGlifLayoutView;
+    private AccessibilitySettingsForSetupWizard mFragment;
+
+    @Before
+    public void setUp() {
+        mFragment = spy(new TestAccessibilitySettingsForSetupWizard(mContext));
+        doReturn(mAccessibilityManager).when(mActivity).getSystemService(
+                AccessibilityManager.class);
+        when(mAccessibilityManager.getInstalledAccessibilityServiceList()).thenReturn(
+                mAccessibilityServices);
+        doReturn(mActivity).when(mFragment).getActivity();
+    }
+
+    @Test
+    public void onViewCreated_verifyAction() {
+        mFragment.onViewCreated(mGlifLayoutView, null);
+
+        verify(mGlifLayoutView).setHeaderText(
+                mContext.getString(R.string.vision_settings_title));
+        verify(mGlifLayoutView).setDescriptionText(
+                mContext.getString(R.string.vision_settings_description));
+    }
+
+    @Test
+    public void onResume_accessibilityServiceListInstalled_returnExpectedValue() {
+        addEnabledServiceInfo(TEST_SCREEN_READER_COMPONENT_NAME, true);
+        addEnabledServiceInfo(TEST_SELECT_TO_SPEAK_COMPONENT_NAME, true);
+        mFragment.onAttach(mContext);
+        mFragment.onViewCreated(mGlifLayoutView, null);
+
+        mFragment.onResume();
+
+        assertRestrictedPreferenceMatch(mFragment.mScreenReaderPreference,
+                TEST_SCREEN_READER_COMPONENT_NAME.getPackageName(),
+                TEST_SCREEN_READER_COMPONENT_NAME.flattenToString());
+        assertRestrictedPreferenceMatch(mFragment.mSelectToSpeakPreference,
+                TEST_SELECT_TO_SPEAK_COMPONENT_NAME.getPackageName(),
+                TEST_SELECT_TO_SPEAK_COMPONENT_NAME.flattenToString());
+    }
+
+    @Test
+    public void onResume_accessibilityServiceListNotInstalled_returnNull() {
+        mFragment.onAttach(mContext);
+        mFragment.onViewCreated(mGlifLayoutView, null);
+
+        mFragment.onResume();
+
+        assertThat(mFragment.mScreenReaderPreference.getKey()).isNull();
+        assertThat(mFragment.mSelectToSpeakPreference.getKey()).isNull();
+    }
+
+    private void addEnabledServiceInfo(ComponentName componentName, boolean isAccessibilityTool) {
+        final AccessibilityServiceInfo a11yServiceInfo = mock(AccessibilityServiceInfo.class);
+        when(a11yServiceInfo.getComponentName()).thenReturn(componentName);
+        when(a11yServiceInfo.isAccessibilityTool()).thenReturn(isAccessibilityTool);
+        final ResolveInfo resolveInfo = mock(ResolveInfo.class);
+        when(a11yServiceInfo.getResolveInfo()).thenReturn(resolveInfo);
+        resolveInfo.serviceInfo = mock(ServiceInfo.class);
+        resolveInfo.serviceInfo.packageName = componentName.getPackageName();
+        resolveInfo.serviceInfo.name = componentName.getClassName();
+        when(resolveInfo.loadLabel(mActivity.getPackageManager())).thenReturn(
+                componentName.getPackageName());
+        mAccessibilityServices.add(a11yServiceInfo);
+    }
+
+    private void assertRestrictedPreferenceMatch(RestrictedPreference preference, String title,
+            String key) {
+        assertThat(preference.getTitle().toString()).isEqualTo(title);
+        assertThat(preference.getKey()).isEqualTo(key);
+        assertThat(preference.getExtras().getString(AccessibilitySettings.EXTRA_TITLE))
+                .isEqualTo(title);
+        assertThat(preference.getExtras().getString(AccessibilitySettings.EXTRA_PREFERENCE_KEY))
+                .isEqualTo(key);
+    }
+
+    private static class TestAccessibilitySettingsForSetupWizard
+            extends AccessibilitySettingsForSetupWizard {
+
+        private final Context mContext;
+        private final PreferenceManager mPreferenceManager;
+
+        TestAccessibilitySettingsForSetupWizard(Context context) {
+            super();
+            mContext = context;
+            mPreferenceManager = new PreferenceManager(context);
+            mPreferenceManager.setPreferences(mPreferenceManager.createPreferenceScreen(context));
+            mDisplayMagnificationPreference = new Preference(context);
+            mScreenReaderPreference = new RestrictedPreference(context);
+            mSelectToSpeakPreference = new RestrictedPreference(context);
+        }
+
+        @Override
+        public int getPreferenceScreenResId() {
+            return R.xml.placeholder_prefs;
+        }
+
+        @Override
+        public PreferenceScreen getPreferenceScreen() {
+            return mPreferenceManager.getPreferenceScreen();
+        }
+
+        @Override
+        public PreferenceManager getPreferenceManager() {
+            return mPreferenceManager;
+        }
+
+        @Override
+        public Context getContext() {
+            return mContext;
+        }
+    }
+}