packages/SettingsLib/tests/robotests/src/com/android/settingslib/wifi/WifiEntryPreferenceTest.java

/*
 * Copyright (C) 2019 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.settingslib.wifi;

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

import static org.mockito.Mockito.when;

import android.content.Context;
import android.graphics.drawable.Drawable;

import com.android.wifitrackerlib.WifiEntry;

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;

import java.util.ArrayList;
import java.util.List;

@RunWith(RobolectricTestRunner.class)
public class WifiEntryPreferenceTest {

    private Context mContext;

    @Mock
    private WifiEntry mMockWifiEntry;
    @Mock
    private WifiEntryPreference.IconInjector mMockIconInjector;

    @Mock
    private Drawable mMockDrawable0;
    @Mock
    private Drawable mMockDrawable1;
    @Mock
    private Drawable mMockDrawable2;
    @Mock
    private Drawable mMockDrawable3;
    @Mock
    private Drawable mMockDrawable4;

    private static final String MOCK_TITLE = "title";
    private static final String MOCK_SUMMARY = "summary";


    @Before
    public void setUp() {
        mContext = RuntimeEnvironment.application;

        MockitoAnnotations.initMocks(this);

        when(mMockWifiEntry.getTitle()).thenReturn(MOCK_TITLE);
        when(mMockWifiEntry.getSummary(false /* concise */)).thenReturn(MOCK_SUMMARY);

        when(mMockIconInjector.getIcon(0)).thenReturn(mMockDrawable0);
        when(mMockIconInjector.getIcon(1)).thenReturn(mMockDrawable1);
        when(mMockIconInjector.getIcon(2)).thenReturn(mMockDrawable2);
        when(mMockIconInjector.getIcon(3)).thenReturn(mMockDrawable3);
        when(mMockIconInjector.getIcon(4)).thenReturn(mMockDrawable4);
    }

    @Test
    public void constructor_shouldSetWifiEntryTitleAndSummary() {
        final WifiEntryPreference pref =
                new WifiEntryPreference(mContext, mMockWifiEntry, mMockIconInjector);

        assertThat(pref.getTitle()).isEqualTo(MOCK_TITLE);
        assertThat(pref.getSummary()).isEqualTo(MOCK_SUMMARY);
    }

    @Test
    public void constructor_shouldSetIcon() {
        when(mMockWifiEntry.getLevel()).thenReturn(0);

        final WifiEntryPreference pref =
                new WifiEntryPreference(mContext, mMockWifiEntry, mMockIconInjector);

        assertThat(pref.getIcon()).isEqualTo(mMockDrawable0);
    }

    @Test
    public void titleChanged_refresh_shouldUpdateTitle() {
        final WifiEntryPreference pref =
                new WifiEntryPreference(mContext, mMockWifiEntry, mMockIconInjector);
        final String updatedTitle = "updated title";
        when(mMockWifiEntry.getTitle()).thenReturn(updatedTitle);

        pref.refresh();

        assertThat(pref.getTitle()).isEqualTo(updatedTitle);
    }

    @Test
    public void summaryChanged_refresh_shouldUpdateSummary() {
        final WifiEntryPreference pref =
                new WifiEntryPreference(mContext, mMockWifiEntry, mMockIconInjector);
        final String updatedSummary = "updated summary";
        when(mMockWifiEntry.getSummary(false /* concise */)).thenReturn(updatedSummary);

        pref.refresh();

        assertThat(pref.getSummary()).isEqualTo(updatedSummary);
    }

    @Test
    public void levelChanged_refresh_shouldUpdateLevelIcon() {
        final List<Drawable> iconList = new ArrayList<>();
        final WifiEntryPreference pref =
                new WifiEntryPreference(mContext, mMockWifiEntry, mMockIconInjector);

        when(mMockWifiEntry.getLevel()).thenReturn(0);
        pref.refresh();
        iconList.add(pref.getIcon());
        when(mMockWifiEntry.getLevel()).thenReturn(1);
        pref.refresh();
        iconList.add(pref.getIcon());
        when(mMockWifiEntry.getLevel()).thenReturn(2);
        pref.refresh();
        iconList.add(pref.getIcon());
        when(mMockWifiEntry.getLevel()).thenReturn(3);
        pref.refresh();
        iconList.add(pref.getIcon());
        when(mMockWifiEntry.getLevel()).thenReturn(4);
        pref.refresh();
        iconList.add(pref.getIcon());
        when(mMockWifiEntry.getLevel()).thenReturn(-1);
        pref.refresh();
        iconList.add(pref.getIcon());

        assertThat(iconList).containsExactly(mMockDrawable0, mMockDrawable1,
                mMockDrawable2, mMockDrawable3, mMockDrawable4, null);
    }
}