package com.meterware.servletunit; /******************************************************************************************************************** * $Id: JUnitServletTest.java 665 2004-09-09 00:16:40Z russgold $ * * Copyright (c) 2001-2004, Russell Gold * * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated * documentation files (the "Software"), to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and * to permit persons to whom the Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all copies or substantial portions * of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO * THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * *******************************************************************************************************************/ import com.meterware.httpunit.*; import java.io.IOException; import java.io.PrintWriter; import java.net.MalformedURLException; import java.util.Dictionary; import java.util.Properties; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import javax.xml.parsers.DocumentBuilder; import junit.framework.TestCase; import junit.framework.TestSuite; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.NodeList; /** * * @author Russell Gold **/ public class JUnitServletTest extends TestCase { private ServletRunner _runner; public static void main( String args[] ) { junit.textui.TestRunner.run( suite() ); } public static TestSuite suite() { return new TestSuite( JUnitServletTest.class ); } public JUnitServletTest( String name ) { super( name ); } public void testNoTestClassSpecified() throws Exception { ServletUnitClient client = newClient(); WebResponse wr = client.getResponse( "http://localhost/JUnit" ); assertTrue( "Did not find error message", wr.getText().indexOf( "Cannot run" ) >= 0 ); } public void testBadTestClassSpecified() throws Exception { ServletUnitClient client = newClient(); WebResponse wr = client.getResponse( "http://localhost/JUnit?test=gobbledygook" ); assertTrue( "Did not find error message", wr.getText().indexOf( "Cannot run" ) >= 0 ); } public void testAllTestsPass() throws Exception { ServletUnitClient client = newClient(); WebResponse wr = client.getResponse( "http://localhost/JUnit?test=" + PassingTests.class.getName() ); final WebTable resultsTable = wr.getTableWithID( "results" ); assertNotNull( "Did not find results table", resultsTable ); final String[][] results = resultsTable.asText(); assertEquals( "Num rows", 1, results.length ); assertEquals( "Num columns", 3, results[0].length ); assertEquals( "Time header", "1 test", results[0][0] ); assertEquals( "Status", "OK", results[0][2] ); } public void testAllTestsPassTextFormat() throws Exception { ServletUnitClient client = newClient(); WebResponse wr = client.getResponse( "http://localhost/JUnit?format=text&test=" + PassingTests.class.getName() ); String expectedStart = PassingTests.class.getName() + " (1 test): OK"; assertTrue( "Results (" + wr.getText() + ") should start with '" + expectedStart, wr.getText().startsWith( expectedStart ) ); } public void testSomeFailures() throws Exception { ServletUnitClient client = newClient(); WebResponse wr = client.getResponse( "http://localhost/JUnit?test=" + FailingTests.class.getName() ); final WebTable resultsTable = wr.getTableWithID( "results" ); assertNotNull( "Did not find results table", resultsTable ); final String[][] results = resultsTable.asText(); assertEquals( "Num rows", 4, results.length ); assertEquals( "Num columns", 3, results[0].length ); assertEquals( "First header", "3 tests", results[0][0] ); assertEquals( "Status", "Problems Occurred", results[0][2] ); assertEquals( "Failure header", "2 failures", results[1][1] ); assertEquals( "Failure index 1", "1", results[2][0] ); assertEquals( "Failure index 2", "2", results[3][0] ); assertTrue( "Test class not found", results[2][1].indexOf( '(' + FailingTests.class.getName() + ')' ) >= 0 ); } public void testSomeFailuresTextFormat() throws Exception { ServletUnitClient client = newClient(); WebResponse wr = client.getResponse( "http://localhost/JUnit?format=text&test=" + FailingTests.class.getName() ); String expectedStart = FailingTests.class.getName() + " (3 tests): Problems Occurred"; assertTrue( "Results (" + wr.getText() + ") should start with: " + expectedStart, wr.getText().startsWith( expectedStart ) ); assertTrue( "Results (" + wr.getText() + ") should contain: 2 failures", wr.getText().indexOf( "2 failures" ) >= 0 ); } public void testSomeErrors() throws Exception { ServletUnitClient client = newClient(); WebResponse wr = client.getResponse( "http://localhost/JUnit?test=" + ErrorTests.class.getName() ); final WebTable resultsTable = wr.getTableWithID( "results" ); assertNotNull( "Did not find results table", resultsTable ); final String[][] results = resultsTable.asText(); assertEquals( "Num rows", 3, results.length ); assertEquals( "Num columns", 3, results[0].length ); assertEquals( "First header", "2 tests", results[0][0] ); assertEquals( "Status", "Problems Occurred", results[0][2] ); assertEquals( "Failure header", "1 error", results[1][1] ); assertEquals( "Failure index 1", "1", results[2][0] ); assertTrue( "Test class not found", results[2][1].indexOf( '(' + ErrorTests.class.getName() + ')' ) >= 0 ); } public void testSomeFailuresXMLFormat() throws Exception { ServletUnitClient client = newClient(); WebResponse wr = client.getResponse( "http://localhost/JUnit?format=xml&test=" + FailingTests.class.getName() ); assertEquals( "Content type", "text/xml", wr.getContentType() ); DocumentBuilder builder = HttpUnitUtils.newParser(); Document document = builder.parse( wr.getInputStream() ); Element element = document.getDocumentElement(); assertEquals( "document element name", "testsuite", element.getNodeName() ); assertEquals( "number of tests", "3", element.getAttribute( "tests" ) ); assertEquals( "number of failures", "2", element.getAttribute( "failures" ) ); assertEquals( "number of errors", "0", element.getAttribute( "errors" ) ); NodeList nl = element.getElementsByTagName( "testcase" ); verifyElementWithNameHasFailureNode( "testAddition", nl, /* failed */ "failure", true ); verifyElementWithNameHasFailureNode( "testSubtraction", nl, /* failed */ "failure", true ); verifyElementWithNameHasFailureNode( "testMultiplication", nl, /* failed */ "failure", false ); } public void testSomeErrorsXMLFormat() throws Exception { ServletUnitClient client = newClient(); WebResponse wr = client.getResponse( "http://localhost/JUnit?format=xml&test=" + ErrorTests.class.getName() ); assertEquals( "Content type", "text/xml", wr.getContentType() ); DocumentBuilder builder = HttpUnitUtils.newParser(); Document document = builder.parse( wr.getInputStream() ); Element element = document.getDocumentElement(); assertEquals( "document element name", "testsuite", element.getNodeName() ); assertEquals( "number of tests", "2", element.getAttribute( "tests" ) ); assertEquals( "number of failures", "0", element.getAttribute( "failures" ) ); assertEquals( "number of errors", "1", element.getAttribute( "errors" ) ); NodeList nl = element.getElementsByTagName( "testcase" ); verifyElementWithNameHasFailureNode( "testAddition", nl, /* failed */ "error", true ); verifyElementWithNameHasFailureNode( "testMultiplication", nl, /* failed */ "error", false ); } private void verifyElementWithNameHasFailureNode( String name, NodeList nl, String nodeName, boolean failed ) { for (int i = 0; i < nl.getLength(); i++) { Element element = (Element) nl.item(i); if (element.getAttribute( "name" ).indexOf( name ) >= 0) { if (failed) { assertEquals( "no " + nodeName + " element found for test '" + name + "'", 1, element.getElementsByTagName( nodeName ).getLength() ); } else { assertEquals( "unexpected " + nodeName + " element found for test '" + name + "'", 0, element.getElementsByTagName( nodeName ).getLength() ); } return; } } if (failed) fail( "No test result found for '" + name + "'" ); } public void testScriptedServletAccess() throws Exception { WebXMLString wxs = new WebXMLString(); Properties params = new Properties(); params.setProperty( "color", "red" ); params.setProperty( "age", "12" ); wxs.addServlet( "simple", "/SimpleServlet", SimpleGetServlet.class, params ); wxs.addServlet( "/JUnit", TestRunnerServlet.class ); MyFactory._runner = _runner = new ServletRunner( wxs.asInputStream() ); ServletUnitClient client = _runner.newClient(); WebResponse wr = client.getResponse( "http://localhost/JUnit?test=" + ServletAccessTest.class.getName() ); final WebTable resultsTable = wr.getTableWithID( "results" ); assertNotNull( "Did not find results table", resultsTable ); final String[][] results = resultsTable.asText(); assertEquals( "Status", "OK", results[0][2] ); } private ServletUnitClient newClient() { _runner = new ServletRunner(); MyFactory._runner = _runner; _runner.registerServlet( "/JUnit", TestRunnerServlet.class.getName() ); ServletUnitClient client = _runner.newClient(); return client; } //=============================================================================================================== static class SimpleGetServlet extends HttpServlet { static String RESPONSE_TEXT = "the desired content"; protected void doGet( HttpServletRequest req, HttpServletResponse resp ) throws ServletException, IOException { resp.setContentType( "text/html" ); PrintWriter pw = resp.getWriter(); pw.print( RESPONSE_TEXT ); pw.close(); } } static class TestRunnerServlet extends JUnitServlet { public TestRunnerServlet() { super( new MyFactory() ); } } static class MyFactory implements InvocationContextFactory { private static ServletRunner _runner; public InvocationContext newInvocation( ServletUnitClient client, FrameSelector targetFrame, WebRequest request, Dictionary clientHeaders, byte[] messageBody ) throws IOException, MalformedURLException { return new InvocationContextImpl( client, _runner, targetFrame, request, clientHeaders, messageBody ); } public HttpSession getSession( String sessionId, boolean create ) { return null; } } }