| /* |
| * 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.cassandra.stress.util; |
| |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.io.PrintStream; |
| |
| import org.apache.commons.io.output.ByteArrayOutputStream; |
| import org.junit.Test; |
| |
| import static org.junit.Assert.*; |
| |
| public class MultiResultLoggerTest |
| { |
| |
| public static final OutputStream NOOP = new OutputStream() |
| { |
| public void write(int b) throws IOException |
| { |
| } |
| }; |
| |
| @Test |
| public void delegatesToInitialPrintStream() throws Exception |
| { |
| ByteArrayOutputStream output = new ByteArrayOutputStream(); |
| PrintStream printStream = new PrintStream(output, true); |
| MultiResultLogger underTest = new MultiResultLogger(printStream); |
| |
| underTest.println("Very important result"); |
| |
| assertEquals("Very important result\n", output.toString()); |
| } |
| |
| @Test |
| public void printingExceptions() throws Exception |
| { |
| ByteArrayOutputStream output = new ByteArrayOutputStream(); |
| PrintStream printStream = new PrintStream(output, true); |
| MultiResultLogger underTest = new MultiResultLogger(printStream); |
| |
| underTest.printException(new RuntimeException("Bad things")); |
| |
| String stackTrace = output.toString(); |
| assertTrue("Expected strack trace to be printed but got: " + stackTrace, stackTrace.startsWith("java.lang.RuntimeException: Bad things\n" + |
| "\tat org.apache.cassandra.stress.util.MultiResultLoggerTest.printingExceptions")); |
| } |
| |
| @Test |
| public void delegatesToAdditionalPrintStreams() throws Exception |
| { |
| ByteArrayOutputStream output = new ByteArrayOutputStream(); |
| PrintStream additionalPrintStream = new PrintStream(output, true); |
| MultiResultLogger underTest = new MultiResultLogger(new PrintStream(NOOP)); |
| |
| underTest.addStream(additionalPrintStream); |
| underTest.println("Very important result"); |
| |
| assertEquals("Very important result\n", output.toString()); |
| } |
| |
| @Test |
| public void delegatesPrintfToAdditionalPrintStreams() throws Exception |
| { |
| ByteArrayOutputStream output = new ByteArrayOutputStream(); |
| PrintStream additionalPrintStream = new PrintStream(output, true); |
| MultiResultLogger underTest = new MultiResultLogger(new PrintStream(NOOP)); |
| |
| underTest.addStream(additionalPrintStream); |
| underTest.printf("%s %s %s", "one", "two", "three"); |
| |
| assertEquals("one two three", output.toString()); |
| } |
| |
| @Test |
| public void delegatesPrintlnToAdditionalPrintStreams() throws Exception |
| { |
| ByteArrayOutputStream output = new ByteArrayOutputStream(); |
| PrintStream additionalPrintStream = new PrintStream(output, true); |
| MultiResultLogger underTest = new MultiResultLogger(new PrintStream(NOOP)); |
| |
| underTest.addStream(additionalPrintStream); |
| underTest.println(); |
| |
| assertEquals("\n", output.toString()); |
| } |
| } |