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/*
* Copyright (C) 2022 The Android Open Source Project
*i
* 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.server.net;
import static android.text.format.DateUtils.HOUR_IN_MILLIS;
import static com.android.testutils.DevSdkIgnoreRuleKt.SC_V2;
import static org.mockito.Mockito.any;
import static org.mockito.Mockito.anyLong;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.reset;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import android.net.NetworkStats;
import android.os.DropBoxManager;
import androidx.test.filters.SmallTest;
import com.android.internal.util.FileRotator;
import com.android.testutils.DevSdkIgnoreRule;
import com.android.testutils.DevSdkIgnoreRunner;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import java.io.IOException;
@RunWith(DevSdkIgnoreRunner.class)
@SmallTest
@DevSdkIgnoreRule.IgnoreUpTo(SC_V2)
public final class NetworkStatsRecorderTest {
private static final String TAG = NetworkStatsRecorderTest.class.getSimpleName();
private static final String TEST_PREFIX = "test";
@Mock private DropBoxManager mDropBox;
@Mock private NetworkStats.NonMonotonicObserver mObserver;
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
}
private NetworkStatsRecorder buildRecorder(FileRotator rotator, boolean wipeOnError) {
return new NetworkStatsRecorder(rotator, mObserver, mDropBox, TEST_PREFIX,
HOUR_IN_MILLIS, false /* includeTags */, wipeOnError);
}
@Test
public void testWipeOnError() throws Exception {
final FileRotator rotator = mock(FileRotator.class);
final NetworkStatsRecorder wipeOnErrorRecorder = buildRecorder(rotator, true);
// Assuming that the rotator gets an exception happened when read data.
doThrow(new IOException()).when(rotator).readMatching(any(), anyLong(), anyLong());
wipeOnErrorRecorder.getOrLoadPartialLocked(Long.MIN_VALUE, Long.MAX_VALUE);
// Verify that the files will be deleted.
verify(rotator, times(1)).deleteAll();
reset(rotator);
final NetworkStatsRecorder noWipeOnErrorRecorder = buildRecorder(rotator, false);
doThrow(new IOException()).when(rotator).readMatching(any(), anyLong(), anyLong());
noWipeOnErrorRecorder.getOrLoadPartialLocked(Long.MIN_VALUE, Long.MAX_VALUE);
// Verify that the rotator won't delete files.
verify(rotator, never()).deleteAll();
}
}
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