@Test public void testCopyFromHostIncompatibleShuffleVersion() throws Exception { String replyHash = SecureShuffleUtils.generateHash(encHash.getBytes(), key); when(connection.getResponseCode()).thenReturn(200); when(connection.getHeaderField(ShuffleHeader.HTTP_HEADER_NAME)) .thenReturn("mapreduce").thenReturn("other").thenReturn("other"); when(connection.getHeaderField(ShuffleHeader.HTTP_HEADER_VERSION)) .thenReturn("1.0.1").thenReturn("1.0.0").thenReturn("1.0.1"); when(connection.getHeaderField( SecureShuffleUtils.HTTP_HEADER_REPLY_URL_HASH)).thenReturn(replyHash); ByteArrayInputStream in = new ByteArrayInputStream(new byte[0]); when(connection.getInputStream()).thenReturn(in); for (int i = 0; i < 3; ++i) { Fetcher<Text,Text> underTest = new FakeFetcher<Text,Text>(job, id, ss, mm, r, metrics, except, key, connection); underTest.copyFromHost(host); } verify(connection, times(3)).addRequestProperty( SecureShuffleUtils.HTTP_HEADER_URL_HASH, encHash); verify(allErrs, times(3)).increment(1); verify(ss, times(3)).copyFailed(map1ID, host, false, false); verify(ss, times(3)).copyFailed(map2ID, host, false, false); verify(ss, times(3)).putBackKnownMapOutput(any(MapHost.class), eq(map1ID)); verify(ss, times(3)).putBackKnownMapOutput(any(MapHost.class), eq(map2ID)); }
@Test public void testCopyFromHostIncompatibleShuffleVersionWithRetry() throws Exception { String replyHash = SecureShuffleUtils.generateHash(encHash.getBytes(), key); when(connection.getResponseCode()).thenReturn(200); when(connection.getHeaderField(ShuffleHeader.HTTP_HEADER_NAME)) .thenReturn("mapreduce").thenReturn("other").thenReturn("other"); when(connection.getHeaderField(ShuffleHeader.HTTP_HEADER_VERSION)) .thenReturn("1.0.1").thenReturn("1.0.0").thenReturn("1.0.1"); when(connection.getHeaderField( SecureShuffleUtils.HTTP_HEADER_REPLY_URL_HASH)).thenReturn(replyHash); ByteArrayInputStream in = new ByteArrayInputStream(new byte[0]); when(connection.getInputStream()).thenReturn(in); for (int i = 0; i < 3; ++i) { Fetcher<Text,Text> underTest = new FakeFetcher<Text,Text>(jobWithRetry, id, ss, mm, r, metrics, except, key, connection); underTest.copyFromHost(host); } verify(connection, times(3)).addRequestProperty( SecureShuffleUtils.HTTP_HEADER_URL_HASH, encHash); verify(allErrs, times(3)).increment(1); verify(ss, times(3)).copyFailed(map1ID, host, false, false); verify(ss, times(3)).copyFailed(map2ID, host, false, false); verify(ss, times(3)).putBackKnownMapOutput(any(MapHost.class), eq(map1ID)); verify(ss, times(3)).putBackKnownMapOutput(any(MapHost.class), eq(map2ID)); }
@Test(timeout=30000) public void testCopyFromHostConnectionTimeout() throws Exception { when(connection.getInputStream()).thenThrow( new SocketTimeoutException("This is a fake timeout :)")); Fetcher<Text,Text> underTest = new FakeFetcher<Text,Text>(job, id, ss, mm, r, metrics, except, key, connection); underTest.copyFromHost(host); verify(connection).addRequestProperty( SecureShuffleUtils.HTTP_HEADER_URL_HASH, encHash); verify(allErrs).increment(1); verify(ss).copyFailed(map1ID, host, false, false); verify(ss).copyFailed(map2ID, host, false, false); verify(ss).putBackKnownMapOutput(any(MapHost.class), eq(map1ID)); verify(ss).putBackKnownMapOutput(any(MapHost.class), eq(map2ID)); }
Fetcher<Text,Text> underTest = new FakeFetcher<Text,Text>(job, id, ss, mm, r, metrics, except, key, connection, FETCHER); underTest.start();
InMemoryMapOutput<Text, Text> immo = mock(InMemoryMapOutput.class); ss = mock(ShuffleSchedulerImpl.class); Fetcher<Text,Text> underTest = new FakeFetcher<Text,Text>(jobWithRetry, id, ss, mm, r, metrics, except, key, connection, true);
@Test public void testCopyFromHostExtraBytes() throws Exception { Fetcher<Text,Text> underTest = new FakeFetcher<Text,Text>(job, id, ss, mm, r, metrics, except, key, connection);
Fetcher<Text,Text> underTest = new FakeFetcher<Text,Text>(job, id, ss, mm, r, metrics, except, key, connection, FETCHER); underTest.start();
public void testCopyFromHostWithRetryThenTimeout() throws Exception { InMemoryMapOutput<Text, Text> immo = mock(InMemoryMapOutput.class); Fetcher<Text,Text> underTest = new FakeFetcher<Text,Text>(jobWithRetry, id, ss, mm, r, metrics, except, key, connection);
@SuppressWarnings("unchecked") @Test(timeout=10000) public void testCopyFromHostOnAnyException() throws Exception { InMemoryMapOutput<Text, Text> immo = mock(InMemoryMapOutput.class); Fetcher<Text,Text> underTest = new FakeFetcher<Text,Text>(job, id, ss, mm, r, metrics, except, key, connection); String replyHash = SecureShuffleUtils.generateHash(encHash.getBytes(), key); when(connection.getResponseCode()).thenReturn(200); when(connection.getHeaderField( SecureShuffleUtils.HTTP_HEADER_REPLY_URL_HASH)).thenReturn(replyHash); ShuffleHeader header = new ShuffleHeader(map1ID.toString(), 10, 10, 1); ByteArrayOutputStream bout = new ByteArrayOutputStream(); header.write(new DataOutputStream(bout)); ByteArrayInputStream in = new ByteArrayInputStream(bout.toByteArray()); when(connection.getInputStream()).thenReturn(in); when(connection.getHeaderField(ShuffleHeader.HTTP_HEADER_NAME)) .thenReturn(ShuffleHeader.DEFAULT_HTTP_HEADER_NAME); when(connection.getHeaderField(ShuffleHeader.HTTP_HEADER_VERSION)) .thenReturn(ShuffleHeader.DEFAULT_HTTP_HEADER_VERSION); when(mm.reserve(any(TaskAttemptID.class), anyLong(), anyInt())) .thenReturn(immo); doThrow(new ArrayIndexOutOfBoundsException()).when(immo) .shuffle(any(MapHost.class), any(InputStream.class), anyLong(), anyLong(), any(ShuffleClientMetrics.class), any(Reporter.class)); underTest.copyFromHost(host); verify(connection) .addRequestProperty(SecureShuffleUtils.HTTP_HEADER_URL_HASH, encHash); verify(ss, times(1)).copyFailed(map1ID, host, true, false); }
InMemoryMapOutput<Text, Text> immo = mock(InMemoryMapOutput.class); Fetcher<Text,Text> underTest = new FakeFetcher<Text,Text>(job, id, ss, mm, r, metrics, except, key, connection);
@Test public void testCopyFromHostWait() throws Exception { Fetcher<Text,Text> underTest = new FakeFetcher<Text,Text>(job, id, ss, mm, r, metrics, except, key, connection);
@SuppressWarnings("unchecked") @Test(timeout=10000) public void testCopyFromHostWithRetryUnreserve() throws Exception { InMemoryMapOutput<Text, Text> immo = mock(InMemoryMapOutput.class); Fetcher<Text,Text> underTest = new FakeFetcher<Text,Text>(jobWithRetry, id, ss, mm, r, metrics, except, key, connection); String replyHash = SecureShuffleUtils.generateHash(encHash.getBytes(), key); when(connection.getResponseCode()).thenReturn(200); when(connection.getHeaderField(SecureShuffleUtils.HTTP_HEADER_REPLY_URL_HASH)) .thenReturn(replyHash); ShuffleHeader header = new ShuffleHeader(map1ID.toString(), 10, 10, 1); ByteArrayOutputStream bout = new ByteArrayOutputStream(); header.write(new DataOutputStream(bout)); ByteArrayInputStream in = new ByteArrayInputStream(bout.toByteArray()); when(connection.getInputStream()).thenReturn(in); when(connection.getHeaderField(ShuffleHeader.HTTP_HEADER_NAME)) .thenReturn(ShuffleHeader.DEFAULT_HTTP_HEADER_NAME); when(connection.getHeaderField(ShuffleHeader.HTTP_HEADER_VERSION)) .thenReturn(ShuffleHeader.DEFAULT_HTTP_HEADER_VERSION); // Verify that unreserve occurs if an exception happens after shuffle // buffer is reserved. when(mm.reserve(any(TaskAttemptID.class), anyLong(), anyInt())) .thenReturn(immo); doThrow(new IOException("forced error")).when(immo).shuffle( any(MapHost.class), any(InputStream.class), anyLong(), anyLong(), any(ShuffleClientMetrics.class), any(Reporter.class)); underTest.copyFromHost(host); verify(immo).abort(); }
@Test public void testCopyFromHostBogusHeader() throws Exception { Fetcher<Text,Text> underTest = new FakeFetcher<Text,Text>(job, id, ss, mm, r, metrics, except, key, connection); String replyHash = SecureShuffleUtils.generateHash(encHash.getBytes(), key); when(connection.getResponseCode()).thenReturn(200); when(connection.getHeaderField(ShuffleHeader.HTTP_HEADER_NAME)) .thenReturn(ShuffleHeader.DEFAULT_HTTP_HEADER_NAME); when(connection.getHeaderField(ShuffleHeader.HTTP_HEADER_VERSION)) .thenReturn(ShuffleHeader.DEFAULT_HTTP_HEADER_VERSION); when(connection.getHeaderField(SecureShuffleUtils.HTTP_HEADER_REPLY_URL_HASH)) .thenReturn(replyHash); ByteArrayInputStream in = new ByteArrayInputStream( "\u00010 BOGUS DATA\nBOGUS DATA\nBOGUS DATA\n".getBytes()); when(connection.getInputStream()).thenReturn(in); underTest.copyFromHost(host); verify(connection).addRequestProperty( SecureShuffleUtils.HTTP_HEADER_URL_HASH, encHash); verify(allErrs).increment(1); verify(ss).copyFailed(map1ID, host, true, false); verify(ss).copyFailed(map2ID, host, true, false); verify(ss).putBackKnownMapOutput(any(MapHost.class), eq(map1ID)); verify(ss).putBackKnownMapOutput(any(MapHost.class), eq(map2ID)); }
@Test public void testReduceOutOfDiskSpace() throws Throwable { LOG.info("testReduceOutOfDiskSpace"); Fetcher<Text,Text> underTest = new FakeFetcher<Text,Text>(job, id, ss, mm, r, metrics, except, key, connection); String replyHash = SecureShuffleUtils.generateHash(encHash.getBytes(), key); ShuffleHeader header = new ShuffleHeader(map1ID.toString(), 10, 10, 1); ByteArrayOutputStream bout = new ByteArrayOutputStream(); header.write(new DataOutputStream(bout)); ByteArrayInputStream in = new ByteArrayInputStream(bout.toByteArray()); when(connection.getResponseCode()).thenReturn(200); when(connection.getHeaderField(ShuffleHeader.HTTP_HEADER_NAME)) .thenReturn(ShuffleHeader.DEFAULT_HTTP_HEADER_NAME); when(connection.getHeaderField(ShuffleHeader.HTTP_HEADER_VERSION)) .thenReturn(ShuffleHeader.DEFAULT_HTTP_HEADER_VERSION); when(connection.getHeaderField(SecureShuffleUtils.HTTP_HEADER_REPLY_URL_HASH)) .thenReturn(replyHash); when(connection.getInputStream()).thenReturn(in); when(mm.reserve(any(TaskAttemptID.class), anyLong(), anyInt())) .thenThrow(new DiskErrorException("No disk space available")); underTest.copyFromHost(host); verify(ss).reportLocalError(any(IOException.class)); }
@Test public void testCopyFromHostConnectionRejected() throws Exception { when(connection.getResponseCode()) .thenReturn(Fetcher.TOO_MANY_REQ_STATUS_CODE); Fetcher<Text, Text> fetcher = new FakeFetcher<>(job, id, ss, mm, r, metrics, except, key, connection); fetcher.copyFromHost(host); Assert.assertEquals("No host failure is expected.", ss.hostFailureCount(host.getHostName()), 0); Assert.assertEquals("No fetch failure is expected.", ss.fetchFailureCount(map1ID), 0); Assert.assertEquals("No fetch failure is expected.", ss.fetchFailureCount(map2ID), 0); verify(ss).penalize(eq(host), anyLong()); verify(ss).putBackKnownMapOutput(any(MapHost.class), eq(map1ID)); verify(ss).putBackKnownMapOutput(any(MapHost.class), eq(map2ID)); }