Merge "Setup AccessibilityButtonFragment test infrastructure"

package com.android.settings.accessibility;

import static android.view.WindowManagerPolicyConstants.NAV_BAR_MODE_2BUTTON;

import static android.view.WindowManagerPolicyConstants.NAV_BAR_MODE_GESTURAL;

import static com.google.common.truth.Truth.assertThat;

import static org.mockito.Mockito.spy;

import static org.mockito.Mockito.when;

import android.content.Context;

import android.content.res.Resources;

import android.os.Bundle;

import androidx.fragment.app.FragmentActivity;

import androidx.preference.PreferenceManager;

import androidx.preference.PreferenceScreen;

import androidx.test.core.app.ApplicationProvider;

import com.android.settings.R;

import com.android.settings.testutils.XmlTestUtils;

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

import org.junit.Before;

import org.junit.Rule;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.mockito.Spy;

import org.mockito.junit.MockitoJUnit;

import org.mockito.junit.MockitoRule;

import org.robolectric.Robolectric;

import org.robolectric.RobolectricTestRunner;

import org.robolectric.annotation.Config;

import java.util.List;

/** Tests for {@link AccessibilityButtonFragment}. */

@Config(shadows = ShadowFragment.class)

@RunWith(RobolectricTestRunner.class)

public class AccessibilityButtonFragmentTest {

    private Context mContext = ApplicationProvider.getApplicationContext();

    @Rule

    public MockitoRule mMockitoRule = MockitoJUnit.rule();

    @Spy

    private final Context mContext = ApplicationProvider.getApplicationContext();

    @Spy

    private Resources mResources = spy(mContext.getResources());

    private AccessibilityButtonFragment mFragment;

    @Before

    public void setUp() {

        mFragment = spy(new TestAccessibilityButtonFragment(mContext));

        when(mFragment.getResources()).thenReturn(mResources);

        when(mFragment.getActivity()).thenReturn(Robolectric.setupActivity(FragmentActivity.class));

    }

    @Test

    public void onCreate_navigationGestureEnabled_setCorrectTitle() {

        when(mResources.getInteger(com.android.internal.R.integer.config_navBarInteractionMode))

                .thenReturn(NAV_BAR_MODE_GESTURAL);

        mFragment.onAttach(mContext);

        mFragment.onCreate(Bundle.EMPTY);

        assertThat(mFragment.getActivity().getTitle().toString()).isEqualTo(

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

    }

    @Test

    public void onCreate_navigationGestureDisabled_setCorrectTitle() {

        when(mResources.getInteger(com.android.internal.R.integer.config_navBarInteractionMode))

                .thenReturn(NAV_BAR_MODE_2BUTTON);

        mFragment.onAttach(mContext);

        mFragment.onCreate(Bundle.EMPTY);

        assertThat(mFragment.getActivity().getTitle().toString()).isEqualTo(

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

    }

    @Test

    public void getNonIndexableKeys_existInXmlLayout() {

        assertThat(keys).containsAtLeastElementsIn(niks);

    }

    private static class TestAccessibilityButtonFragment extends AccessibilityButtonFragment {

        private final Context mContext;

        private final PreferenceManager mPreferenceManager;

        TestAccessibilityButtonFragment(Context context) {

            super();

            mContext = context;

            mPreferenceManager = new PreferenceManager(context);

            mPreferenceManager.setPreferences(mPreferenceManager.createPreferenceScreen(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;

        }

    }

}