Author: rahul
Date: Fri Aug 7 04:55:19 2009
New Revision: 801881
URL: http://svn.apache.org/viewvc?rev=801881&view=rev
Log:
Turn examples directory code into unit tests.
Patch by Henri Biestro <hbiestro at gmail dot com>
JEXL-69
Added:
commons/proper/jexl/branches/2.0/src/test/java/org/apache/commons/jexl/examples/
commons/proper/jexl/branches/2.0/src/test/java/org/apache/commons/jexl/examples/ArrayTest.java
(with props)
commons/proper/jexl/branches/2.0/src/test/java/org/apache/commons/jexl/examples/MethodPropertyTest.java
(with props)
commons/proper/jexl/branches/2.0/src/test/java/org/apache/commons/jexl/examples/Output.java
(with props)
Removed:
commons/proper/jexl/branches/2.0/examples/
Added:
commons/proper/jexl/branches/2.0/src/test/java/org/apache/commons/jexl/examples/ArrayTest.java
URL:
http://svn.apache.org/viewvc/commons/proper/jexl/branches/2.0/src/test/java/org/apache/commons/jexl/examples/ArrayTest.java?rev=801881&view=auto
==============================================================================
---
commons/proper/jexl/branches/2.0/src/test/java/org/apache/commons/jexl/examples/ArrayTest.java
(added)
+++
commons/proper/jexl/branches/2.0/src/test/java/org/apache/commons/jexl/examples/ArrayTest.java
Fri Aug 7 04:55:19 2009
@@ -0,0 +1,79 @@
+/*
+ * 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.commons.jexl.examples;
+
+import org.apache.commons.jexl.*;
+import junit.framework.TestCase;
+import java.util.List;
+import java.util.ArrayList;
+
+/**
+ * Simple example to show how to access arrays.
+ *
+ * @since 1.0
+ * @author <a href="mailto:ge...@apache.org";>Geir Magnusson Jr.</a>
+ * @version $Id$
+ */
+public class ArrayTest extends TestCase {
+ /**
+ * An example for array access.
+ */
+ static void example(Output out) throws Exception {
+ /**
+ * First step is to retrieve an instance of a JexlEngine;
+ * it might be already existing and shared or created anew.
+ */
+ JexlEngine jexl = new JexlEngine();
+ /*
+ * Second make a jexlContext and put stuff in it
+ */
+ JexlContext jc = JexlHelper.createContext();
+
+ List<Object> l = new ArrayList<Object>();
+ l.add("Hello from location 0");
+ Integer two = new Integer(2);
+ l.add(two);
+ jc.getVars().put("array", l);
+
+ Expression e = jexl.createExpression("array[1]");
+ Object o = e.evaluate(jc);
+ out.print("Object @ location 1 = ", o, two);
+
+ e = jexl.createExpression("array[0].length()");
+ o = e.evaluate(jc);
+
+ out.print("The length of the string at location 0 is : ", o, 21);
+ }
+
+ /**
+ * Unit test entry point.
+ * @throws Exception
+ */
+ public void testExample() throws Exception {
+ example(Output.JUNIT);
+ }
+
+ /**
+ * Command line entry point.
+ * @param args command line arguments
+ * @throws Exception cos jexl does.
+ */
+ public static void main(String[] args) throws Exception {
+ example(Output.SYSTEM);
+ }
+}
\ No newline at end of file
Propchange:
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Propchange:
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Added:
commons/proper/jexl/branches/2.0/src/test/java/org/apache/commons/jexl/examples/MethodPropertyTest.java
URL:
http://svn.apache.org/viewvc/commons/proper/jexl/branches/2.0/src/test/java/org/apache/commons/jexl/examples/MethodPropertyTest.java?rev=801881&view=auto
==============================================================================
---
commons/proper/jexl/branches/2.0/src/test/java/org/apache/commons/jexl/examples/MethodPropertyTest.java
(added)
+++
commons/proper/jexl/branches/2.0/src/test/java/org/apache/commons/jexl/examples/MethodPropertyTest.java
Fri Aug 7 04:55:19 2009
@@ -0,0 +1,133 @@
+/*
+ * 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.commons.jexl.examples;
+
+import org.apache.commons.jexl.*;
+import junit.framework.TestCase;
+
+/**
+ * Simple example to show how to access method and properties.
+ *
+ * @since 1.0
+ * @author <a href="mailto:ge...@apache.org";>Geir Magnusson Jr.</a>
+ * @version $Id$
+ */
+public class MethodPropertyTest extends TestCase {
+ /**
+ * An example for method access.
+ */
+ public static void example(final Output out) throws Exception {
+ /**
+ * First step is to retrieve an instance of a JexlEngine;
+ * it might be already existing and shared or created anew.
+ */
+ JexlEngine jexl = new JexlEngine();
+ /*
+ * Second make a jexlContext and put stuff in it
+ */
+ JexlContext jc = JexlHelper.createContext();
+
+ /**
+ * The Java equivalents of foo and number for comparison and checking
+ */
+ Foo foo = new Foo();
+ Integer number = new Integer(10);
+
+ jc.getVars().put("foo", foo);
+ jc.getVars().put("number", number);
+
+ /*
+ * access a method w/o args
+ */
+ Expression e = jexl.createExpression("foo.getFoo()");
+ Object o = e.evaluate(jc);
+ out.print("value returned by the method getFoo() is : ", o,
foo.getFoo());
+
+ /*
+ * access a method w/ args
+ */
+ e = jexl.createExpression("foo.convert(1)");
+ o = e.evaluate(jc);
+ out.print("value of " + e.getExpression() + " is : ", o,
foo.convert(1));
+
+ e = jexl.createExpression("foo.convert(1+7)");
+ o = e.evaluate(jc);
+ out.print("value of " + e.getExpression() + " is : ", o,
foo.convert(1+7));
+
+ e = jexl.createExpression("foo.convert(1+number)");
+ o = e.evaluate(jc);
+ out.print("value of " + e.getExpression() + " is : ", o,
foo.convert(1+number));
+
+ /*
+ * access a property
+ */
+ e = jexl.createExpression("foo.bar");
+ o = e.evaluate(jc);
+ out.print("value returned for the property 'bar' is : ", o,
foo.get("bar"));
+
+ }
+
+ /**
+ * Helper example class.
+ */
+ public static class Foo {
+ /**
+ * Gets foo.
+ * @return a string.
+ */
+ public String getFoo() {
+ return "This is from getFoo()";
+ }
+
+ /**
+ * Gets an arbitrary property.
+ * @param arg property name.
+ * @return arg prefixed with 'This is the property '.
+ */
+ public String get(String arg) {
+ return "This is the property " + arg;
+ }
+
+ /**
+ * Gets a string from the argument.
+ * @param i a long.
+ * @return The argument prefixed with 'The value is : '
+ */
+ public String convert(long i) {
+ return "The value is : " + i;
+ }
+ }
+
+
+ /**
+ * Unit test entry point.
+ * @throws Exception
+ */
+ public void testExample() throws Exception {
+ example(Output.JUNIT);
+ }
+
+ /**
+ * Command line entry point.
+ * @param args command line arguments
+ * @throws Exception cos jexl does.
+ */
+ public static void main(String[] args) throws Exception {
+ example(Output.SYSTEM);
+ }
+}
\ No newline at end of file
Propchange:
commons/proper/jexl/branches/2.0/src/test/java/org/apache/commons/jexl/examples/MethodPropertyTest.java
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svn:eol-style = native
Propchange:
commons/proper/jexl/branches/2.0/src/test/java/org/apache/commons/jexl/examples/MethodPropertyTest.java
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svn:keywords = Date Author Id Revision HeadURL
Added:
commons/proper/jexl/branches/2.0/src/test/java/org/apache/commons/jexl/examples/Output.java
URL:
http://svn.apache.org/viewvc/commons/proper/jexl/branches/2.0/src/test/java/org/apache/commons/jexl/examples/Output.java?rev=801881&view=auto
==============================================================================
---
commons/proper/jexl/branches/2.0/src/test/java/org/apache/commons/jexl/examples/Output.java
(added)
+++
commons/proper/jexl/branches/2.0/src/test/java/org/apache/commons/jexl/examples/Output.java
Fri Aug 7 04:55:19 2009
@@ -0,0 +1,60 @@
+/*
+ * 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.commons.jexl.examples;
+import junit.framework.TestCase;
+
+/**
+ * Abstracts using a test within Junit or through a main method.
+ */
+public abstract class Output {
+ /**
+ * Creates an output using System.out.
+ */
+ private Output() {
+ // nothing to do
+ }
+
+ /**
+ * Outputs the actual and value or checks the actual equals the expected
value.
+ * @param expr the message to output
+ * @param actual the actual value to output
+ * @param expected the expected value
+ */
+ public abstract void print(String expr, Object actual, Object expected);
+
+ /**
+ * The output instance for Junit TestCase calling assertEquals.
+ */
+ public static final Output JUNIT = new Output() {
+ @Override
+ public void print(String expr, Object actual, Object expected) {
+ TestCase.assertEquals(expr, expected, actual);
+ }
+ };
+
+
+ /**
+ * The output instance for the general outputing to System.out.
+ */
+ public static final Output SYSTEM = new Output() {
+ public void print(String expr, Object actual, Object expected) {
+ System.out.print(expr);
+ System.out.println(actual);
+ }
+ };
+}
\ No newline at end of file
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