Spring Framework example source code file (RequestUtilsTests.java)

This example Spring Framework source code file (RequestUtilsTests.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

get, mockhttpservletrequest, mockhttpservletrequest, post, requestutilstests, servlet, servletexception, servletrequestbindingexception, servletrequestbindingexception, should, should, shouldn't, string, string, testcase

The Spring Framework RequestUtilsTests.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.web.bind;

import javax.servlet.ServletException;

import junit.framework.TestCase;

import org.springframework.mock.web.MockHttpServletRequest;

/**
 * @author Juergen Hoeller
 * @since 06.08.2003
 */
public class RequestUtilsTests extends TestCase {

	public void testRejectMethod() throws ServletRequestBindingException {
		String methodGet = "GET";
		String methodPost = "POST";

		MockHttpServletRequest request = new MockHttpServletRequest();
		request.setMethod(methodPost);

		try {
			RequestUtils.rejectRequestMethod(request, methodGet);
		} catch (ServletException ex) {
			fail("Shouldn't have thrown ServletException");
		}
		try {
			RequestUtils.rejectRequestMethod(request, methodPost);
			fail("Should have thrown ServletException");
		} catch (ServletException ex) {
		}
	}

	public void testIntParameter() throws ServletRequestBindingException {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("param1", "5");
		request.addParameter("param2", "e");
		request.addParameter("paramEmpty", "");

		assertEquals(RequestUtils.getIntParameter(request, "param1"), new Integer(5));
		assertEquals(RequestUtils.getIntParameter(request, "param1", 6), 5);
		assertEquals(RequestUtils.getRequiredIntParameter(request, "param1"), 5);

		assertEquals(RequestUtils.getIntParameter(request, "param2", 6), 6);
		try {
			RequestUtils.getRequiredIntParameter(request, "param2");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}

		assertEquals(RequestUtils.getIntParameter(request, "param3"), null);
		assertEquals(RequestUtils.getIntParameter(request, "param3", 6), 6);
		try {
			RequestUtils.getRequiredIntParameter(request, "param3");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}

		try {
			RequestUtils.getRequiredIntParameter(request, "paramEmpty");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}
	}

	public void testIntParameters() throws ServletRequestBindingException {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("param", new String[] {"1", "2", "3"});

		request.addParameter("param2", "1");
		request.addParameter("param2", "2");
		request.addParameter("param2", "bogus");

		int[] array = new int[] { 1, 2, 3 };
		int[] values = RequestUtils.getRequiredIntParameters(request, "param");
		assertEquals(3, values.length);
		for (int i = 0; i < array.length; i++) {
			assertEquals(array[i], values[i]);
		}

		try {
			RequestUtils.getRequiredIntParameters(request, "param2");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}

	}

	public void testLongParameter() throws ServletRequestBindingException {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("param1", "5");
		request.addParameter("param2", "e");
		request.addParameter("paramEmpty", "");

		assertEquals(RequestUtils.getLongParameter(request, "param1"), new Long(5L));
		assertEquals(RequestUtils.getLongParameter(request, "param1", 6L), 5L);
		assertEquals(RequestUtils.getRequiredIntParameter(request, "param1"), 5L);

		assertEquals(RequestUtils.getLongParameter(request, "param2", 6L), 6L);
		try {
			RequestUtils.getRequiredLongParameter(request, "param2");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}

		assertEquals(RequestUtils.getLongParameter(request, "param3"), null);
		assertEquals(RequestUtils.getLongParameter(request, "param3", 6L), 6L);
		try {
			RequestUtils.getRequiredLongParameter(request, "param3");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}

		try {
			RequestUtils.getRequiredLongParameter(request, "paramEmpty");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}
	}

	public void testLongParameters() throws ServletRequestBindingException {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.setParameter("param", new String[] {"1", "2", "3"});

		request.setParameter("param2", "0");
		request.setParameter("param2", "1");
		request.addParameter("param2", "2");
		request.addParameter("param2", "bogus");

		long[] array = new long[] { 1L, 2L, 3L };
		long[] values = RequestUtils.getRequiredLongParameters(request, "param");
		assertEquals(3, values.length);
		for (int i = 0; i < array.length; i++) {
			assertEquals(array[i], values[i]);
		}

		try {
			RequestUtils.getRequiredLongParameters(request, "param2");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}

		request.setParameter("param2", new String[] {"1", "2"});
		values = RequestUtils.getRequiredLongParameters(request, "param2");
		assertEquals(2, values.length);
		assertEquals(1, values[0]);
		assertEquals(2, values[1]);

		request.removeParameter("param2");
		try {
			RequestUtils.getRequiredLongParameters(request, "param2");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}
	}

	public void testFloatParameter() throws ServletRequestBindingException {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("param1", "5.5");
		request.addParameter("param2", "e");
		request.addParameter("paramEmpty", "");

		assertTrue(RequestUtils.getFloatParameter(request, "param1").equals(new Float(5.5f)));
		assertTrue(RequestUtils.getFloatParameter(request, "param1", 6.5f) == 5.5f);
		assertTrue(RequestUtils.getRequiredFloatParameter(request, "param1") == 5.5f);

		assertTrue(RequestUtils.getFloatParameter(request, "param2", 6.5f) == 6.5f);
		try {
			RequestUtils.getRequiredFloatParameter(request, "param2");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}

		assertTrue(RequestUtils.getFloatParameter(request, "param3") == null);
		assertTrue(RequestUtils.getFloatParameter(request, "param3", 6.5f) == 6.5f);
		try {
			RequestUtils.getRequiredFloatParameter(request, "param3");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}

		try {
			RequestUtils.getRequiredFloatParameter(request, "paramEmpty");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}
	}

	public void testFloatParameters() throws ServletRequestBindingException {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("param", new String[] {"1.5", "2.5", "3"});

		request.addParameter("param2", "1.5");
		request.addParameter("param2", "2");
		request.addParameter("param2", "bogus");

		float[] array = new float[] { 1.5F, 2.5F, 3 };
		float[] values = RequestUtils.getRequiredFloatParameters(request, "param");
		assertEquals(3, values.length);
		for (int i = 0; i < array.length; i++) {
			assertEquals(array[i], values[i], 0);
		}

		try {
			RequestUtils.getRequiredFloatParameters(request, "param2");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}
	}

	public void testDoubleParameter() throws ServletRequestBindingException {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("param1", "5.5");
		request.addParameter("param2", "e");
		request.addParameter("paramEmpty", "");

		assertTrue(RequestUtils.getDoubleParameter(request, "param1").equals(new Double(5.5)));
		assertTrue(RequestUtils.getDoubleParameter(request, "param1", 6.5) == 5.5);
		assertTrue(RequestUtils.getRequiredDoubleParameter(request, "param1") == 5.5);

		assertTrue(RequestUtils.getDoubleParameter(request, "param2", 6.5) == 6.5);
		try {
			RequestUtils.getRequiredDoubleParameter(request, "param2");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}

		assertTrue(RequestUtils.getDoubleParameter(request, "param3") == null);
		assertTrue(RequestUtils.getDoubleParameter(request, "param3", 6.5) == 6.5);
		try {
			RequestUtils.getRequiredDoubleParameter(request, "param3");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}

		try {
			RequestUtils.getRequiredDoubleParameter(request, "paramEmpty");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}
	}

	public void testDoubleParameters() throws ServletRequestBindingException {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("param", new String[] {"1.5", "2.5", "3"});

		request.addParameter("param2", "1.5");
		request.addParameter("param2", "2");
		request.addParameter("param2", "bogus");

		double[] array = new double[] { 1.5, 2.5, 3 };
		double[] values = RequestUtils.getRequiredDoubleParameters(request, "param");
		assertEquals(3, values.length);
		for (int i = 0; i < array.length; i++) {
			assertEquals(array[i], values[i], 0);
		}

		try {
			RequestUtils.getRequiredDoubleParameters(request, "param2");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}
	}

	public void testBooleanParameter() throws ServletRequestBindingException {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("param1", "true");
		request.addParameter("param2", "e");
		request.addParameter("param4", "yes");
		request.addParameter("param5", "1");
		request.addParameter("paramEmpty", "");

		assertTrue(RequestUtils.getBooleanParameter(request, "param1").equals(Boolean.TRUE));
		assertTrue(RequestUtils.getBooleanParameter(request, "param1", false));
		assertTrue(RequestUtils.getRequiredBooleanParameter(request, "param1"));

		assertFalse(RequestUtils.getBooleanParameter(request, "param2", true));
		assertFalse(RequestUtils.getRequiredBooleanParameter(request, "param2"));

		assertTrue(RequestUtils.getBooleanParameter(request, "param3") == null);
		assertTrue(RequestUtils.getBooleanParameter(request, "param3", true));
		try {
			RequestUtils.getRequiredBooleanParameter(request, "param3");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}

		assertTrue(RequestUtils.getBooleanParameter(request, "param4", false));
		assertTrue(RequestUtils.getRequiredBooleanParameter(request, "param4"));

		assertTrue(RequestUtils.getBooleanParameter(request, "param5", false));
		assertTrue(RequestUtils.getRequiredBooleanParameter(request, "param5"));
		try {
			RequestUtils.getRequiredBooleanParameter(request, "paramEmpty");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}
	}

	public void testBooleanParameters() throws ServletRequestBindingException {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("param", new String[] {"true", "yes", "off", "1", "bogus"});

		request.addParameter("param2", "false");
		request.addParameter("param2", "true");
		request.addParameter("param2", "");

		boolean[] array = new boolean[] { true, true, false, true, false };
		boolean[] values = RequestUtils.getRequiredBooleanParameters(request, "param");
		assertEquals(5, values.length);
		for (int i = 0; i < array.length; i++) {
			assertEquals(array[i], values[i]);
		}

		try {
			RequestUtils.getRequiredBooleanParameters(request, "param2");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}
	}

	public void testStringParameter() throws ServletRequestBindingException {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addParameter("param1", "str");
		request.addParameter("paramEmpty", "");

		assertEquals(RequestUtils.getStringParameter(request, "param1"), "str");
		assertEquals(RequestUtils.getStringParameter(request, "param1", "string"), "str");
		assertEquals(RequestUtils.getRequiredStringParameter(request, "param1"), "str");

		assertEquals(RequestUtils.getStringParameter(request, "param3"), null);
		assertEquals(RequestUtils.getStringParameter(request, "param3", "string"), "string");
		try {
			RequestUtils.getRequiredStringParameter(request, "param3");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}

		try {
			RequestUtils.getStringParameter(request, "paramEmpty");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}
		try {
			RequestUtils.getRequiredStringParameter(request, "paramEmpty");
			fail("Should have thrown ServletRequestBindingException");
		}
		catch (ServletRequestBindingException ex) {
			// expected
		}
	}

}