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From ma...@apache.org
Subject svn commit: r897615 - in /tomcat/trunk/test: org/apache/el/TestELEvaluation.java org/apache/el/TestELInJsp.java org/apache/jasper/compiler/TestAttributeParser.java webapp/el-misc.jsp webapp/script-expr.jsp
Date Sun, 10 Jan 2010 11:12:42 GMT
Author: markt
Date: Sun Jan 10 11:12:42 2010
New Revision: 897615

URL: http://svn.apache.org/viewvc?rev=897615&view=rev
Log:
Better coverage for JSP attribute parsing

Added:
    tomcat/trunk/test/org/apache/jasper/compiler/TestAttributeParser.java   (with props)
    tomcat/trunk/test/webapp/script-expr.jsp   (with props)
Modified:
    tomcat/trunk/test/org/apache/el/TestELEvaluation.java
    tomcat/trunk/test/org/apache/el/TestELInJsp.java
    tomcat/trunk/test/webapp/el-misc.jsp

Modified: tomcat/trunk/test/org/apache/el/TestELEvaluation.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/test/org/apache/el/TestELEvaluation.java?rev=897615&r1=897614&r2=897615&view=diff
==============================================================================
--- tomcat/trunk/test/org/apache/el/TestELEvaluation.java (original)
+++ tomcat/trunk/test/org/apache/el/TestELEvaluation.java Sun Jan 10 11:12:42 2010
@@ -26,15 +26,54 @@
 
 import org.apache.el.ExpressionFactoryImpl;
 import org.apache.el.lang.ELSupport;
+import org.apache.jasper.compiler.TestAttributeParser;
 import org.apache.jasper.el.ELContextImpl;
 
 import junit.framework.TestCase;
 
 /**
- * Tests for EL parsing and evaluation.
+ * Tests the EL engine directly. Similar tests may be found in
+ * {@link TestAttributeParser} and {@link TestELInJsp}.
  */
 public class TestELEvaluation extends TestCase {
 
+    /**
+     * Test use of spaces in ternary expressions. This was primarily an EL
+     * parser bug.
+     */
+    public void testBug42565() {
+        assertEquals("false", evaluateExpression("${false?true:false}"));
+        assertEquals("false", evaluateExpression("${false?true: false}"));
+        assertEquals("false", evaluateExpression("${false?true :false}"));
+        assertEquals("false", evaluateExpression("${false?true : false}"));
+        assertEquals("false", evaluateExpression("${false? true:false}"));
+        assertEquals("false", evaluateExpression("${false? true: false}"));
+        assertEquals("false", evaluateExpression("${false? true :false}"));
+        assertEquals("false", evaluateExpression("${false? true : false}"));
+        assertEquals("false", evaluateExpression("${false ?true:false}"));
+        assertEquals("false", evaluateExpression("${false ?true: false}"));
+        assertEquals("false", evaluateExpression("${false ?true :false}"));
+        assertEquals("false", evaluateExpression("${false ?true : false}"));
+        assertEquals("false", evaluateExpression("${false ? true:false}"));
+        assertEquals("false", evaluateExpression("${false ? true: false}"));
+        assertEquals("false", evaluateExpression("${false ? true :false}"));
+        assertEquals("false", evaluateExpression("${false ? true : false}"));
+    }
+
+
+    /**
+     * Test use nested ternary expressions. This was primarily an EL parser bug. 
+     */
+    public void testBug44994() {
+        assertEquals("none", evaluateExpression(
+                "${0 lt 0 ? 1 lt 0 ? 'many': 'one': 'none'}"));
+        assertEquals("one", evaluateExpression(
+                "${0 lt 1 ? 1 lt 1 ? 'many': 'one': 'none'}"));
+        assertEquals("many", evaluateExpression(
+                "${0 lt 2 ? 1 lt 2 ? 'many': 'one': 'none'}"));
+    }
+    
+    
     public void testParserBug45511() {
         // Test cases provided by OP
         assertEquals("true", evaluateExpression("${empty ('')}"));
@@ -43,11 +82,6 @@
         assertEquals("false", evaluateExpression("${(true)and(false)}"));
     }
 
-    public void testParserBug42565() {
-        // Test cases provided by OP
-        assertEquals("false", evaluateExpression("${false?true:false}"));
-    }
-
     public void testParserLiteralExpression() {
         // Inspired by work on bug 45451, comments from kkolinko on the dev
         // list and looking at the spec to find some edge cases

Modified: tomcat/trunk/test/org/apache/el/TestELInJsp.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/test/org/apache/el/TestELInJsp.java?rev=897615&r1=897614&r2=897615&view=diff
==============================================================================
--- tomcat/trunk/test/org/apache/el/TestELInJsp.java (original)
+++ tomcat/trunk/test/org/apache/el/TestELInJsp.java Sun Jan 10 11:12:42 2010
@@ -21,15 +21,19 @@
 
 import org.apache.catalina.startup.Tomcat;
 import org.apache.catalina.startup.TomcatBaseTest;
+import org.apache.jasper.compiler.TestAttributeParser;
 import org.apache.tomcat.util.buf.ByteChunk;
 
+/**
+ * Tests EL with an without JSP attributes using a test web application. Similar
+ * tests may be found in {@link TestELEvaluation} and {@link TestAttributeParser}.
+ */
 public class TestELInJsp extends TomcatBaseTest {
     
     public void testBug42565() throws Exception {
         Tomcat tomcat = getTomcatInstance();
 
-        File appDir = 
-            new File("test/webapp");
+        File appDir = new File("test/webapp");
         // app dir is relative to server home
         tomcat.addWebapp(null, "/test", appDir.getAbsolutePath());
         
@@ -133,7 +137,6 @@
         
         res = getUrl("http://localhost:" + getPort() + "/test/bug45451b.jsp");
         result = res.toString();
-        System.out.println(result);
         // Warning: JSP attribute escaping != Java String escaping
         // Warning: Attributes are always unescaped before passing to the EL
         //          processor
@@ -143,9 +146,9 @@
         assertTrue(result.indexOf("03-\\\\${1+1}") > 0);
         assertTrue(result.indexOf("04-2") > 0);
         assertTrue(result.indexOf("05-${1+1}") > 0);
-        assertTrue(result.indexOf("06-\\2") > 0);      // TODO Fails (bug)
+        assertTrue(result.indexOf("06-\\2") > 0);      
         assertTrue(result.indexOf("07-\\${1+1}") > 0);
-        assertTrue(result.indexOf("08-\\\\2") > 0);    // TODO Fails (bug) 
+        assertTrue(result.indexOf("08-\\\\2") > 0); 
         
         res = getUrl("http://localhost:" + getPort() + "/test/bug45451c.jsp");
         result = res.toString();
@@ -268,8 +271,8 @@
         String result = res.toString();
         assertTrue(result.indexOf("00-\\\\\\\"${'hello world'}") > 0);
         assertTrue(result.indexOf("01-\\\\\\\"\\${'hello world'}") > 0);
-        assertTrue(result.indexOf("02-\\\"\\${'hello world'}") > 0); // TODO - bug
-        assertTrue(result.indexOf("03-\\\"\\hello world") > 0);      // TODO - bug
+        assertTrue(result.indexOf("02-\\\"${'hello world'}") > 0);
+        assertTrue(result.indexOf("03-\\\"\\hello world") > 0);
         assertTrue(result.indexOf("2az-04") > 0);
         assertTrue(result.indexOf("05-a2z") > 0);
         assertTrue(result.indexOf("06-az2") > 0);
@@ -280,5 +283,32 @@
         assertTrue(result.indexOf("11-\"}") > 0);
     }
 
+    public void testScriptingExpression() throws Exception {
+        Tomcat tomcat = getTomcatInstance();
+
+        File appDir = 
+            new File("test/webapp");
+        // app dir is relative to server home
+        tomcat.addWebapp(null, "/test", appDir.getAbsolutePath());
+        
+        tomcat.start();
+
+        ByteChunk res = getUrl("http://localhost:" + getPort() +
+                "/test/script-expr.jsp");
+        String result = res.toString();
+        System.out.println(result);
+        assertTrue(result.indexOf("00-hello world") > 0);
+        assertTrue(result.indexOf("01-hello \"world") > 0);
+        assertTrue(result.indexOf("02-hello \\\"world") > 0);
+        assertTrue(result.indexOf("03-hello ${world") > 0);
+        assertTrue(result.indexOf("04-hello \\${world") > 0);
+        assertTrue(result.indexOf("05-hello world") > 0);
+        assertTrue(result.indexOf("06-hello \"world") > 0);
+        assertTrue(result.indexOf("07-hello \\\"world") > 0);
+        assertTrue(result.indexOf("08-hello ${world") > 0);
+        assertTrue(result.indexOf("09-hello \\${world") > 0);
+        assertTrue(result.indexOf("10-hello <% world") > 0);
+        assertTrue(result.indexOf("11-hello %> world") > 0);
+    }
 
 }

Added: tomcat/trunk/test/org/apache/jasper/compiler/TestAttributeParser.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/test/org/apache/jasper/compiler/TestAttributeParser.java?rev=897615&view=auto
==============================================================================
--- tomcat/trunk/test/org/apache/jasper/compiler/TestAttributeParser.java (added)
+++ tomcat/trunk/test/org/apache/jasper/compiler/TestAttributeParser.java Sun Jan 10 11:12:42
2010
@@ -0,0 +1,180 @@
+/*
+ * 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.jasper.compiler;
+
+import java.lang.reflect.Method;
+
+import javax.el.FunctionMapper;
+import javax.el.ValueExpression;
+
+import org.apache.el.ExpressionFactoryImpl;
+import org.apache.el.TestELEvaluation;
+import org.apache.el.TestELInJsp;
+import org.apache.el.TesterFunctions;
+import org.apache.jasper.el.ELContextImpl;
+
+import junit.framework.TestCase;
+
+/**
+ * Test the EL processing from JSP attributes. Similar tests may be found in
+ * {@link TestELEvaluation} and {@link TestELInJsp}.
+ */
+public class TestAttributeParser extends TestCase {
+
+    /**
+     * Test use of spaces in ternary expressions. This was primarily an EL
+     * parser bug.
+     */
+    public void testBug42565() {
+        assertEquals("false", evalAttr("${false?true:false}", '\"'));
+        assertEquals("false", evalAttr("${false?true: false}", '\"'));
+        assertEquals("false", evalAttr("${false?true :false}", '\"'));
+        assertEquals("false", evalAttr("${false?true : false}", '\"'));
+        assertEquals("false", evalAttr("${false? true:false}", '\"'));
+        assertEquals("false", evalAttr("${false? true: false}", '\"'));
+        assertEquals("false", evalAttr("${false? true :false}", '\"'));
+        assertEquals("false", evalAttr("${false? true : false}", '\"'));
+        assertEquals("false", evalAttr("${false ?true:false}", '\"'));
+        assertEquals("false", evalAttr("${false ?true: false}", '\"'));
+        assertEquals("false", evalAttr("${false ?true :false}", '\"'));
+        assertEquals("false", evalAttr("${false ?true : false}", '\"'));
+        assertEquals("false", evalAttr("${false ? true:false}", '\"'));
+        assertEquals("false", evalAttr("${false ? true: false}", '\"'));
+        assertEquals("false", evalAttr("${false ? true :false}", '\"'));
+        assertEquals("false", evalAttr("${false ? true : false}", '\"'));
+    }
+
+
+    /**
+     * Test use nested ternary expressions. Full tests in
+     * {@link TestELEvaluation}. This is just a smoke test to ensure JSP
+     * attribute processing doesn't cause any additional issues.
+     */
+    public void testBug44994() {
+        assertEquals("none",
+                evalAttr("${0 lt 0 ? 1 lt 0 ? 'many': 'one': 'none'}", '\"'));
+        assertEquals("one",
+                evalAttr("${0 lt 1 ? 1 lt 1 ? 'many': 'one': 'none'}", '\"'));
+        assertEquals("many",
+                evalAttr("${0 lt 2 ? 1 lt 2 ? 'many': 'one': 'none'}", '\"'));
+    }
+
+    
+    /**
+     * Test the quoting requirements of JSP attributes. This doesn't make use of
+     * EL. See {@link #testBug45451()} for a test that combines JSP attribute
+     * quoting and EL quoting.
+     */
+    public void testBug45015() {
+        // Warning: Java String quoting vs. JSP attribute quoting
+        assertEquals("hello 'world'", evalAttr("hello 'world'", '\"'));
+        assertEquals("hello 'world", evalAttr("hello 'world", '\"'));
+        assertEquals("hello world'", evalAttr("hello world'", '\"'));
+        assertEquals("hello world'", evalAttr("hello world\\'", '\"'));
+        assertEquals("hello world\"", evalAttr("hello world\\\"", '\"'));
+        assertEquals("hello \"world\"", evalAttr("hello \"world\"", '\"'));
+        assertEquals("hello \"world", evalAttr("hello \"world", '\"'));
+        assertEquals("hello world\"", evalAttr("hello world\"", '\"'));
+        assertEquals("hello world'", evalAttr("hello world\\'", '\"'));
+        assertEquals("hello world\"", evalAttr("hello world\\\"", '\"'));
+        
+        assertEquals("hello 'world'", evalAttr("hello 'world'", '\''));
+        assertEquals("hello 'world", evalAttr("hello 'world", '\''));
+        assertEquals("hello world'", evalAttr("hello world'", '\''));
+        assertEquals("hello world'", evalAttr("hello world\\'", '\''));
+        assertEquals("hello world\"", evalAttr("hello world\\\"", '\''));
+        assertEquals("hello \"world\"", evalAttr("hello \"world\"", '\''));
+        assertEquals("hello \"world", evalAttr("hello \"world", '\''));
+        assertEquals("hello world\"", evalAttr("hello world\"", '\''));
+        assertEquals("hello world'", evalAttr("hello world\\'", '\''));
+        assertEquals("hello world\"", evalAttr("hello world\\\"", '\''));
+
+    }
+    
+
+    public void testBug45451() {
+        assertEquals("2", evalAttr("${1+1}", '\"'));
+        assertEquals("${1+1}", evalAttr("\\${1+1}", '\"'));
+        assertEquals("\\2", evalAttr("\\\\${1+1}", '\"'));
+    }
+    
+    public void testLiteral() {
+        // Inspired by work on bug 45451, comments from kkolinko on the dev
+        // list and looking at the spec to find some edge cases
+        
+        // '\' is only an escape character inside a StringLiteral
+        assertEquals("\\", evalAttr("${'\\\\\\\\'}", '\"'));
+        assertEquals("\\", evalAttr("${\"\\\\\\\\\"}", '\"'));
+
+        // Can use ''' inside '"' when quoting with '"' and vice versa without
+        // escaping
+        assertEquals("\\\"", evalAttr("${'\\\\\\\\\\\"'}", '\"'));
+        assertEquals("\"\\", evalAttr("${'\\\"\\\\\\\\'}", '\"'));
+        assertEquals("\\'", evalAttr("${'\\\\\\\\\\\\''}", '\"'));
+        assertEquals("'\\", evalAttr("${'\\\\'\\\\\\\\'}", '\"'));
+        assertEquals("\\'", evalAttr("${\\\"\\\\\\\\'\\\"}", '\"'));
+        assertEquals("'\\", evalAttr("${\\\"'\\\\\\\\\\\"}", '\"'));
+        assertEquals("\\\"", evalAttr("${\\\"\\\\\\\\\\\\\\\"\\\"}", '\"'));
+        assertEquals("\"\\", evalAttr("${\\\"\\\\\\\"\\\\\\\\\\\"}", '\"'));
+        
+        // Quoting <% and %>
+        assertEquals("hello <% world", evalAttr("hello <\\% world", '\"'));
+        assertEquals("hello %> world", evalAttr("hello %> world", '\"'));
+    }
+
+    public void testScriptExpressiinLiterals() {
+        assertEquals(" \"hello world\" ", parseScriptExpression(
+                " \"hello world\" ", (char) 0));
+        assertEquals(" \"hello \\\"world\" ", parseScriptExpression(
+                " \"hello \\\\\"world\" ", (char) 0));
+    }
+
+    private String evalAttr(String expression, char quote) {
+        
+        ELContextImpl ctx = new ELContextImpl();
+        ctx.setFunctionMapper(new FMapper());
+        ExpressionFactoryImpl exprFactory = new ExpressionFactoryImpl();
+        ValueExpression ve = exprFactory.createValueExpression(ctx,
+                AttributeParser.getUnquoted(expression, quote, false, false),
+                String.class);
+        return (String) ve.getValue(ctx);
+    }
+    
+    private String parseScriptExpression(String expression, char quote) {
+        return AttributeParser.getUnquoted(expression, quote, false, false);
+    }
+
+    public static class FMapper extends FunctionMapper {
+
+        @Override
+        public Method resolveFunction(String prefix, String localName) {
+            if ("trim".equals(localName)) {
+                Method m;
+                try {
+                    m = TesterFunctions.class.getMethod("trim", String.class);
+                    return m;
+                } catch (SecurityException e) {
+                    // Ignore
+                } catch (NoSuchMethodException e) {
+                    // Ignore
+                } 
+            }
+            return null;
+        }
+    }
+}

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Modified: tomcat/trunk/test/webapp/el-misc.jsp
URL: http://svn.apache.org/viewvc/tomcat/trunk/test/webapp/el-misc.jsp?rev=897615&r1=897614&r2=897615&view=diff
==============================================================================
--- tomcat/trunk/test/webapp/el-misc.jsp (original)
+++ tomcat/trunk/test/webapp/el-misc.jsp Sun Jan 10 11:12:42 2010
@@ -16,7 +16,7 @@
   limitations under the License.
 --%>
 <html>
-  <head><title>Bug 45511 test case</title></head>
+  <head><title>Misc EL test cases</title></head>
   <body>
     <p>00-\\\"\${'hello world'}</p>
     <p>01-\\\"\\${'hello world'}</p>

Added: tomcat/trunk/test/webapp/script-expr.jsp
URL: http://svn.apache.org/viewvc/tomcat/trunk/test/webapp/script-expr.jsp?rev=897615&view=auto
==============================================================================
--- tomcat/trunk/test/webapp/script-expr.jsp (added)
+++ tomcat/trunk/test/webapp/script-expr.jsp Sun Jan 10 11:12:42 2010
@@ -0,0 +1,34 @@
+<%@ taglib prefix="tags" tagdir="/WEB-INF/tags" %>
+<%--
+ 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.
+--%>
+<html>
+  <head><title>Scripting expression test cases</title></head>
+  <body>
+    <p><%= "00-hello world" %></p>
+    <p><%= "01-hello \"world" %></p>
+    <p><%= "02-hello \\\"world" %></p>
+    <p><%= "03-hello ${world" %></p>
+    <p><%= "04-hello \\${world" %></p>
+    <tags:echo echo="<%= "05-hello world" %>" />
+    <tags:echo echo="<%= "06-hello \\\"world" %>" />
+    <tags:echo echo="<%= "07-hello \\\\\\\"world" %>" />
+    <tags:echo echo="<%= "08-hello ${world" %>" />
+    <tags:echo echo="<%= "09-hello \\\\${world" %>" />
+    <tags:echo echo="10-hello <\% world" />
+    <tags:echo echo="11-hello %\> world" />
+  </body>
+</html>
\ No newline at end of file

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