Spring Framework example source code file (InputStreamEditorTests.java)

This example Spring Framework source code file (InputStreamEditorTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

exception, exception, inputstream, inputstream, inputstreameditor, inputstreameditor, inputstreameditortests, io, object, string, string, testcase

The Spring Framework InputStreamEditorTests.java source code

/*
 * Copyright 2002-2006 the original author or authors.
 *
 * 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 org.springframework.beans.propertyeditors;

import junit.framework.TestCase;
import org.springframework.test.AssertThrows;
import org.springframework.util.ClassUtils;

import java.io.InputStream;

/**
 * Unit tests for the {@link InputStreamEditor} class.
 *
 * @author Rick Evans
 */
public final class InputStreamEditorTests extends TestCase {

	public void testCtorWithNullResourceEditor() throws Exception {
		new AssertThrows(IllegalArgumentException.class) {
			public void test() throws Exception {
				new InputStreamEditor(null);
			}
		}.runTest();
	}

	public void testSunnyDay() throws Exception {
		InputStream stream = null;
		try {
			String resource = "classpath:" + ClassUtils.classPackageAsResourcePath(getClass()) + "/" + ClassUtils.getShortName(getClass()) + ".class";
			InputStreamEditor editor = new InputStreamEditor();
			editor.setAsText(resource);
			Object value = editor.getValue();
			assertNotNull(value);
			assertTrue(value instanceof InputStream);
			stream = (InputStream) value;
			assertTrue(stream.available() > 0);
		} finally {
			if (stream != null) {
				stream.close();
			}
		}
	}

	public void testWhenResourceDoesNotExist() throws Exception {
		new AssertThrows(IllegalArgumentException.class) {
			public void test() throws Exception {
				String resource = "classpath:bingo!";
				InputStreamEditor editor = new InputStreamEditor();
				editor.setAsText(resource);
			}
		}.runTest();
	}

	public void testGetAsTextReturnsNullByDefault() throws Exception {
		assertNull(new InputStreamEditor().getAsText());
		String resource = "classpath:" + ClassUtils.classPackageAsResourcePath(getClass()) + "/" + ClassUtils.getShortName(getClass()) + ".class";
		InputStreamEditor editor = new InputStreamEditor();
		editor.setAsText(resource);
		assertNull(editor.getAsText());
	}

}