| /* |
| * 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.mock; |
| import static org.mockito.Mockito.verify; |
| import static org.testng.Assert.assertThrows; |
| |
| 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.robolectric.RobolectricTestRunner; |
| |
| import java.io.ByteArrayOutputStream; |
| |
| @RunWith(RobolectricTestRunner.class) |
| @Presubmit |
| public class RawBackupWriterTest { |
| private static final byte[] TEST_BYTES = {1, 2, 3, 4, 5, 6}; |
| |
| private BackupWriter mWriter; |
| private ByteArrayOutputStream mOutput; |
| |
| @Before |
| public void setUp() { |
| mOutput = new ByteArrayOutputStream(); |
| mWriter = new RawBackupWriter(mOutput); |
| } |
| |
| @Test |
| public void writeBytes_writesToOutputStream() throws Exception { |
| mWriter.writeBytes(TEST_BYTES); |
| |
| assertThat(mOutput.toByteArray()) |
| .asList() |
| .containsExactlyElementsIn(Bytes.asList(TEST_BYTES)) |
| .inOrder(); |
| } |
| |
| @Test |
| public void writeChunk_throwsUnsupportedOperationException() throws Exception { |
| assertThrows(UnsupportedOperationException.class, () -> mWriter.writeChunk(0, 0)); |
| } |
| |
| @Test |
| public void getBytesWritten_returnsTotalSum() throws Exception { |
| mWriter.writeBytes(TEST_BYTES); |
| mWriter.writeBytes(TEST_BYTES); |
| |
| long bytesWritten = mWriter.getBytesWritten(); |
| |
| assertThat(bytesWritten).isEqualTo(2 * TEST_BYTES.length); |
| } |
| |
| @Test |
| public void flush_flushesOutputStream() throws Exception { |
| mOutput = mock(ByteArrayOutputStream.class); |
| mWriter = new RawBackupWriter(mOutput); |
| |
| mWriter.flush(); |
| |
| verify(mOutput).flush(); |
| } |
| } |