tests/robotests/src/com/android/settings/datetime/TimeZonePreferenceControllerTest.java

/*
 * 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.settings.datetime;

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.when;

import android.content.Context;

import com.android.settings.testutils.SettingsRobolectricTestRunner;
import com.android.settingslib.RestrictedPreference;

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

@RunWith(SettingsRobolectricTestRunner.class)
public class TimeZonePreferenceControllerTest {

    @Mock
    private AutoTimeZonePreferenceController mAutoTimeZonePreferenceController;

    private Context mContext;
    private TimeZonePreferenceController mController;
    private RestrictedPreference mPreference;

    @Before
    public void setUp() {
        MockitoAnnotations.initMocks(this);
        mContext = RuntimeEnvironment.application;
        mPreference = new RestrictedPreference(mContext);
        mController = spy(new TimeZonePreferenceController(mContext,
                mAutoTimeZonePreferenceController));
    }

    @Test
    public void isAlwaysAvailable() {
        assertThat(mController.isAvailable()).isTrue();
    }

    @Test
    public void updateState_autoTimeZoneEnabled_shouldDisablePref() {
        // Make sure not disabled by admin.
        mPreference.setDisabledByAdmin(null);

        doReturn("test timezone").when(mController).getTimeZoneOffsetAndName();
        when(mAutoTimeZonePreferenceController.isEnabled()).thenReturn(true);
        mController.updateState(mPreference);

        assertThat(mPreference.isEnabled()).isFalse();
    }

    @Test
    public void updateState_autoTimeZoneDisabled_shouldEnablePref() {
        // Make sure not disabled by admin.
        mPreference.setDisabledByAdmin(null);

        doReturn("test timezone").when(mController).getTimeZoneOffsetAndName();
        when(mAutoTimeZonePreferenceController.isEnabled()).thenReturn(false);
        mController.updateState(mPreference);

        assertThat(mPreference.isEnabled()).isTrue();
    }
}