packages/SettingsLib/tests/robotests/src/com/android/settingslib/DeviceInfoUtilsTest.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.settingslib;

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

import android.content.Context;
import android.system.StructUtsname;

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

@RunWith(RobolectricTestRunner.class)
public class DeviceInfoUtilsTest {

    private Context mContext;

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

    @Test
    public void formatKernelVersion_regularInputVersion_shouldStripOptionalValues() {
        final String sysName = "Linux";
        final String nodeName = "localhost";
        final String release = "4.4.88-g134be430baab";
        final String version = "#1 SMP PREEMPT Tue Dec 31 12:00:00 UTC 2017";
        final String machine = "aarch64";
        final StructUtsname uname = new StructUtsname(sysName, nodeName, release, version, machine);

        final String expected = release + "\n" + "#1 Tue Dec 31 12:00:00 UTC 2017";

        assertThat(DeviceInfoUtils.formatKernelVersion(mContext, uname)).isEqualTo(expected);
    }

    @Test
    public void formatKernelVersion_nonRegularInputVersion_shouldBeUnavailable() {
        final String sysName = "Linux";
        final String nodeName = "localhost";
        final String release = "4.4.88-g134be430baab";
        final String version = "%@%!asd%#@!$" + "\n " + "fasdfasdfa13ta";
        final String machine = "aarch64";
        final StructUtsname uname = new StructUtsname(sysName, nodeName, release, version, machine);

        final String expected = mContext.getString(R.string.status_unavailable);

        assertThat(DeviceInfoUtils.formatKernelVersion(mContext, uname)).isEqualTo(expected);
    }

    @Test
    public void formatKernelVersion_nullInputVersion_shouldBeUnavailable() {
        final String expected = mContext.getString(R.string.status_unavailable);

        assertThat(DeviceInfoUtils.formatKernelVersion(mContext, null)).isEqualTo(expected);
    }
}