| /** |
| * 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.camel.component.stream; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.PrintStream; |
| |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.test.junit4.CamelTestSupport; |
| import org.junit.Test; |
| |
| /** |
| * Unit test for System.out |
| */ |
| public class StreamSystemOutTest extends CamelTestSupport { |
| |
| String message = "Hello World"; |
| |
| PrintStream stdOut = System.out; |
| |
| ByteArrayOutputStream mockOut = new ByteArrayOutputStream(); |
| |
| // START SNIPPET: e1 |
| @Test |
| public void testStringContent() throws Exception { |
| try { |
| // Given |
| System.setOut(new PrintStream(mockOut)); |
| |
| // When |
| template.sendBody("direct:in", message); |
| |
| // Then |
| assertEquals(message + System.lineSeparator(), new String(mockOut.toByteArray())); |
| } finally { |
| System.setOut(stdOut); |
| } |
| } |
| |
| @Test |
| public void testBinaryContent() { |
| try { |
| // Given |
| System.setOut(new PrintStream(mockOut)); |
| |
| // When |
| template.sendBody("direct:in", message.getBytes()); |
| |
| // Then |
| assertEquals(message, new String(mockOut.toByteArray())); |
| } finally { |
| System.setOut(stdOut); |
| } |
| } |
| |
| @Test |
| public void shouldSkipNullBody() { |
| try { |
| // Given |
| System.setOut(new PrintStream(mockOut)); |
| |
| // When |
| template.sendBody("direct:in", null); |
| |
| // Then |
| assertEquals(0, mockOut.toByteArray().length); |
| } finally { |
| System.setOut(stdOut); |
| } |
| } |
| |
| protected RouteBuilder createRouteBuilder() { |
| return new RouteBuilder() { |
| public void configure() { |
| from("direct:in").to("stream:out"); |
| } |
| }; |
| } |
| // END SNIPPET: e1 |
| |
| } |