| /* |
| * Copyright (C) 2018 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.server.backup.encryption.chunking; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import static org.mockito.Mockito.atLeastOnce; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.verify; |
| |
| import android.platform.test.annotations.Presubmit; |
| |
| import com.google.common.primitives.Bytes; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.mockito.ArgumentCaptor; |
| import org.mockito.Captor; |
| import org.mockito.Mock; |
| import org.robolectric.RobolectricTestRunner; |
| |
| import java.io.IOException; |
| |
| /** Tests for {@link DiffScriptBackupWriter}. */ |
| @RunWith(RobolectricTestRunner.class) |
| @Presubmit |
| public class DiffScriptBackupWriterTest { |
| private static final byte[] TEST_BYTES = {1, 2, 3, 4, 5, 6, 7, 8, 9}; |
| |
| @Captor private ArgumentCaptor<Byte> mBytesCaptor; |
| @Mock private SingleStreamDiffScriptWriter mDiffScriptWriter; |
| private BackupWriter mBackupWriter; |
| |
| @Before |
| public void setUp() { |
| mDiffScriptWriter = mock(SingleStreamDiffScriptWriter.class); |
| mBackupWriter = new DiffScriptBackupWriter(mDiffScriptWriter); |
| mBytesCaptor = ArgumentCaptor.forClass(Byte.class); |
| } |
| |
| @Test |
| public void writeBytes_writesBytesToWriter() throws Exception { |
| mBackupWriter.writeBytes(TEST_BYTES); |
| |
| verify(mDiffScriptWriter, atLeastOnce()).writeByte(mBytesCaptor.capture()); |
| assertThat(mBytesCaptor.getAllValues()) |
| .containsExactlyElementsIn(Bytes.asList(TEST_BYTES)) |
| .inOrder(); |
| } |
| |
| @Test |
| public void writeChunk_writesChunkToWriter() throws Exception { |
| mBackupWriter.writeChunk(0, 10); |
| |
| verify(mDiffScriptWriter).writeChunk(0, 10); |
| } |
| |
| @Test |
| public void getBytesWritten_returnsTotalSum() throws Exception { |
| mBackupWriter.writeBytes(TEST_BYTES); |
| mBackupWriter.writeBytes(TEST_BYTES); |
| mBackupWriter.writeChunk(/*start=*/ 0, /*length=*/ 10); |
| |
| long bytesWritten = mBackupWriter.getBytesWritten(); |
| |
| assertThat(bytesWritten).isEqualTo(2 * TEST_BYTES.length + 10); |
| } |
| |
| @Test |
| public void flush_flushesWriter() throws IOException { |
| mBackupWriter.flush(); |
| |
| verify(mDiffScriptWriter).flush(); |
| } |
| } |