app_Settings/tests/robotests/src/com/android/settings/location/BluetoothScanningPreferenceControllerTest.java

/*
 * Copyright (C) 2017 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.location;

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

import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import android.content.ContentResolver;
import android.provider.Settings;
import android.provider.Settings.Global;

import androidx.preference.SwitchPreference;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.RuntimeEnvironment;

@RunWith(RobolectricTestRunner.class)
public class BluetoothScanningPreferenceControllerTest {

    @Mock
    private SwitchPreference mPreference;

    private ContentResolver mContentResolver;
    private BluetoothScanningPreferenceController mController;

    @Before
    public void setUp() {
        MockitoAnnotations.initMocks(this);
        mContentResolver = RuntimeEnvironment.application.getContentResolver();
        mController = new BluetoothScanningPreferenceController(RuntimeEnvironment.application);
        when(mPreference.getKey()).thenReturn(mController.getPreferenceKey());
    }

    @Test
    public void updateState_bluetoothScanningEnabled_shouldCheckedPreference() {
        Settings.Global.putInt(mContentResolver, Settings.Global.BLE_SCAN_ALWAYS_AVAILABLE, 1);

        mController.updateState(mPreference);

        verify(mPreference).setChecked(true);
    }

    @Test
    public void updateState_bluetoothScanningDisabled_shouldUncheckedPreference() {
        Settings.Global.putInt(mContentResolver, Settings.Global.BLE_SCAN_ALWAYS_AVAILABLE, 0);

        mController.updateState(mPreference);

        verify(mPreference).setChecked(false);
    }

    @Test
    public void handlePreferenceTreeClick_checked_shouldEnableBluetoothScanning() {
        when(mPreference.isChecked()).thenReturn(true);

        mController.handlePreferenceTreeClick(mPreference);

        final int btScanning = Global.getInt(mContentResolver, Global.BLE_SCAN_ALWAYS_AVAILABLE, 0);
        assertThat(btScanning).isEqualTo(1);
    }

    @Test
    public void handlePreferenceTreeClick_unchecked_shouldDisableBluetoothScanning() {
        when(mPreference.isChecked()).thenReturn(false);

        mController.handlePreferenceTreeClick(mPreference);

        final int btScanning = Global.getInt(mContentResolver, Global.BLE_SCAN_ALWAYS_AVAILABLE, 1);
        assertThat(btScanning).isEqualTo(0);
    }
}