| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.beam.runners.dataflow.worker.logging; |
| |
| import static org.apache.beam.runners.dataflow.worker.LogRecordMatcher.hasLogItem; |
| import static org.hamcrest.Matchers.empty; |
| import static org.hamcrest.Matchers.is; |
| import static org.hamcrest.Matchers.not; |
| import static org.junit.Assert.assertThat; |
| |
| import java.io.PrintStream; |
| import java.util.logging.Level; |
| import java.util.logging.LogRecord; |
| import org.apache.beam.runners.dataflow.worker.LogSaver; |
| import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.collect.Iterables; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for {@link JulHandlerPrintStreamAdapterFactory}. */ |
| @RunWith(JUnit4.class) |
| public class JulHandlerPrintStreamAdapterFactoryTest { |
| private static final String LOGGER_NAME = "test"; |
| |
| private LogSaver handler; |
| |
| @Before |
| public void setUp() { |
| JulHandlerPrintStreamAdapterFactory.reset(); |
| handler = new LogSaver(); |
| } |
| |
| @Test |
| public void testLogWarningOnFirstUsage() { |
| PrintStream printStream = createPrintStreamAdapter(); |
| printStream.println("partial"); |
| assertThat( |
| handler.getLogs(), |
| hasLogItem(Level.WARNING, "Please use a logger instead of System.out or System.err")); |
| } |
| |
| @Test |
| public void testLogOnNewLine() { |
| PrintStream printStream = createPrintStreamAdapter(); |
| printStream.println("blah"); |
| assertThat(handler.getLogs(), hasLogItem(Level.INFO, "blah")); |
| } |
| |
| @Test |
| public void testLogRecordMetadata() { |
| PrintStream printStream = |
| JulHandlerPrintStreamAdapterFactory.create(handler, "fooLogger", Level.WARNING); |
| printStream.println("anyMessage"); |
| |
| assertThat(handler.getLogs(), not(empty())); |
| LogRecord log = Iterables.get(handler.getLogs(), 0); |
| |
| assertThat(log.getLevel(), is(Level.WARNING)); |
| assertThat(log.getLoggerName(), is("fooLogger")); |
| } |
| |
| @Test |
| public void testLogOnlyUptoNewLine() { |
| PrintStream printStream = createPrintStreamAdapter(); |
| printStream.println("blah"); |
| printStream.print("foo"); |
| assertThat(handler.getLogs(), hasLogItem("blah")); |
| assertThat(handler.getLogs(), not(hasLogItem("foo"))); |
| } |
| |
| @Test |
| public void testLogMultiLine() { |
| PrintStream printStream = createPrintStreamAdapter(); |
| printStream.format("blah%nfoo%n"); |
| assertThat(handler.getLogs(), hasLogItem("blah")); |
| assertThat(handler.getLogs(), hasLogItem("foo")); |
| } |
| |
| @Test |
| public void testDontLogIfNoNewLine() { |
| PrintStream printStream = createPrintStreamAdapter(); |
| printStream.print("blah"); |
| assertThat(handler.getLogs(), not(hasLogItem("blah"))); |
| } |
| |
| @Test |
| public void testLogOnFlush() { |
| PrintStream printStream = createPrintStreamAdapter(); |
| printStream.print("blah"); |
| printStream.flush(); |
| assertThat(handler.getLogs(), hasLogItem("blah")); |
| } |
| |
| @Test |
| public void testLogOnClose() { |
| try (PrintStream printStream = createPrintStreamAdapter()) { |
| printStream.print("blah"); |
| } |
| assertThat(handler.getLogs(), hasLogItem("blah")); |
| } |
| |
| private PrintStream createPrintStreamAdapter() { |
| return JulHandlerPrintStreamAdapterFactory.create(handler, LOGGER_NAME, Level.INFO); |
| } |
| } |