Setup ToggleScreenMagnificationPreferenceFragmentForSetupWizard test infrastructure

/*

 * 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.google.common.truth.Truth.assertThat;

import static org.mockito.Mockito.doReturn;

import static org.mockito.Mockito.spy;

import static org.mockito.Mockito.verify;

import static org.mockito.Mockito.when;

import android.content.Context;

import androidx.preference.Preference;

import androidx.preference.PreferenceManager;

import androidx.preference.PreferenceScreen;

import androidx.preference.SwitchPreference;

import androidx.test.core.app.ApplicationProvider;

import com.android.settings.R;

import com.android.settings.SettingsActivity;

import com.android.settings.testutils.shadow.ShadowSettingsPreferenceFragment;

import com.android.settings.widget.SettingsMainSwitchBar;

import com.android.settingslib.widget.TopIntroPreference;

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 org.robolectric.annotation.Config;

/**

 * Tests for {@link ToggleScreenMagnificationPreferenceFragmentForSetupWizard}.

 */

@RunWith(RobolectricTestRunner.class)

@Config(shadows = {ShadowSettingsPreferenceFragment.class})

public class ToggleScreenMagnificationPreferenceFragmentForSetupWizardTest {

    private final Context mContext = ApplicationProvider.getApplicationContext();

    @Rule

    public MockitoRule mMockitoRule = MockitoJUnit.rule();

    @Mock

    private SettingsActivity mActivity;

    @Mock

    private GlifPreferenceLayout mGlifLayoutView;

    @Mock

    private SettingsMainSwitchBar mSwitchBar;

    private ToggleScreenMagnificationPreferenceFragmentForSetupWizard mFragment;

    @Before

    public void setUp() {

        mFragment =

                spy(new TestToggleScreenMagnificationPreferenceFragmentForSetupWizard(mContext));

        doReturn(mActivity).when(mFragment).getActivity();

        when(mActivity.getSwitchBar()).thenReturn(mSwitchBar);

    }

    @Test

    public void onViewCreated_verifyAction() {

        mFragment.onViewCreated(mGlifLayoutView, null);

        verify(mGlifLayoutView).setHeaderText(

                mContext.getString(R.string.accessibility_screen_magnification_title));

        verify(mGlifLayoutView).setDescriptionText(

                mContext.getString(R.string.accessibility_screen_magnification_intro_text));

        verify(mGlifLayoutView).setDividerInsets(Integer.MAX_VALUE, 0);

        assertThat(mFragment.mTopIntroPreference.isVisible()).isFalse();

        assertThat(mFragment.mSettingsPreference.isVisible()).isFalse();

        assertThat(mFragment.mFollowingTypingSwitchPreference.isVisible()).isFalse();

    }

    private static class TestToggleScreenMagnificationPreferenceFragmentForSetupWizard

            extends ToggleScreenMagnificationPreferenceFragmentForSetupWizard {

        private final Context mContext;

        private final PreferenceManager mPreferenceManager;

        TestToggleScreenMagnificationPreferenceFragmentForSetupWizard(Context context) {

            super();

            mContext = context;

            mPreferenceManager = new PreferenceManager(context);

            mPreferenceManager.setPreferences(mPreferenceManager.createPreferenceScreen(context));

            mTopIntroPreference = new TopIntroPreference(context);

            mSettingsPreference = new Preference(context);

            mFollowingTypingSwitchPreference = new SwitchPreference(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;

        }

    }

}