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Diffstat (limited to 'velocity-engine-core/src/test/java/org/apache/velocity/test/MethodInvocationExceptionTestCase.java')
| -rw-r--r-- | velocity-engine-core/src/test/java/org/apache/velocity/test/MethodInvocationExceptionTestCase.java | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/velocity-engine-core/src/test/java/org/apache/velocity/test/MethodInvocationExceptionTestCase.java b/velocity-engine-core/src/test/java/org/apache/velocity/test/MethodInvocationExceptionTestCase.java new file mode 100644 index 00000000..34f4d813 --- /dev/null +++ b/velocity-engine-core/src/test/java/org/apache/velocity/test/MethodInvocationExceptionTestCase.java @@ -0,0 +1,278 @@ +package org.apache.velocity.test; + +/* + * 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. + */ + +import junit.framework.Test; +import junit.framework.TestCase; +import junit.framework.TestSuite; +import org.apache.velocity.VelocityContext; +import org.apache.velocity.app.Velocity; +import org.apache.velocity.exception.MethodInvocationException; +import org.apache.velocity.test.misc.TestLogger; + +import java.io.StringWriter; + +/** + * Tests if we can hand Velocity an arbitrary class for logging. + * + * @author <a href="mailto:geirm@optonline.net">Geir Magnusson Jr.</a> + * @version $Id$ + */ +public class MethodInvocationExceptionTestCase extends TestCase +{ + protected boolean DEBUG = false; + + /** + * Default constructor. + * @param name + */ + public MethodInvocationExceptionTestCase(String name) + { + super(name); + } + + @Override + public void setUp() + throws Exception + { + /* + * init() Runtime with defaults + */ + + Velocity.setProperty( + Velocity.RUNTIME_LOG_INSTANCE, new TestLogger()); + + Velocity.init(); + } + + public static Test suite () + { + return new TestSuite(MethodInvocationExceptionTestCase.class); + } + + protected void log(String out) + { + Velocity.getLog().debug(out); + if (DEBUG) + { + System.out.println(out); + } + } + + /** + * Runs the test : + * + * uses the Velocity class to eval a string + * which accesses a method that throws an + * exception. + * @throws Exception + */ + public void testNormalMethodInvocationException () + throws Exception + { + String template = "$woogie.doException() boing!"; + + VelocityContext vc = new VelocityContext(); + + vc.put("woogie", this ); + + StringWriter w = new StringWriter(); + + try + { + Velocity.evaluate( vc, w, "test", template ); + fail("No exception thrown"); + } + catch( MethodInvocationException mie ) + { + log("Caught MIE (good!) :" ); + log(" reference = " + mie.getReferenceName() ); + log(" method = " + mie.getMethodName() ); + + Throwable t = mie.getCause(); + log(" throwable = " + t ); + + if( t instanceof Exception) + { + log(" exception = " + t.getMessage() ); + } + } + } + + + public void testGetterMethodInvocationException () + throws Exception + { + VelocityContext vc = new VelocityContext(); + vc.put("woogie", this ); + + StringWriter w = new StringWriter(); + + /* + * second test - to ensure that methods accessed via get+ construction + * also work + */ + + String template = "$woogie.foo boing!"; + + try + { + Velocity. evaluate( vc, w, "test", template ); + fail("No exception thrown, second test."); + } + catch( MethodInvocationException mie ) + { + log("Caught MIE (good!) :" ); + log(" reference = " + mie.getReferenceName() ); + log(" method = " + mie.getMethodName() ); + + Throwable t = mie.getCause(); + log(" throwable = " + t ); + + if( t instanceof Exception) + { + log(" exception = " + t.getMessage() ); + } + } + } + + + public void testCapitalizedGetterMethodInvocationException () + throws Exception + { + VelocityContext vc = new VelocityContext(); + vc.put("woogie", this ); + + StringWriter w = new StringWriter(); + + String template = "$woogie.Foo boing!"; + + try + { + Velocity. evaluate( vc, w, "test", template ); + fail("No exception thrown, third test."); + } + catch( MethodInvocationException mie ) + { + log("Caught MIE (good!) :" ); + log(" reference = " + mie.getReferenceName() ); + log(" method = " + mie.getMethodName() ); + + Throwable t = mie.getCause(); + log(" throwable = " + t ); + + if( t instanceof Exception) + { + log(" exception = " + t.getMessage() ); + } + } + } + + public void testSetterMethodInvocationException () + throws Exception + { + VelocityContext vc = new VelocityContext(); + vc.put("woogie", this ); + + StringWriter w = new StringWriter(); + + String template = "#set($woogie.foo = 'lala') boing!"; + + try + { + Velocity. evaluate( vc, w, "test", template ); + fail("No exception thrown, set test."); + } + catch( MethodInvocationException mie ) + { + log("Caught MIE (good!) :" ); + log(" reference = " + mie.getReferenceName() ); + log(" method = " + mie.getMethodName() ); + + Throwable t = mie.getCause(); + log(" throwable = " + t ); + + if( t instanceof Exception) + { + log(" exception = " + t.getMessage() ); + } + } + } + + + /** + * test that no exception is thrown when in parameter to macro. + * This is the way we expect the system to work, but it would be better + * to throw an exception. + * @throws Exception + */ + public void testMacroInvocationException () + throws Exception + { + VelocityContext vc = new VelocityContext(); + vc.put("woogie", this ); + + StringWriter w = new StringWriter(); + + String template = "#macro (macro1 $param) $param #end #macro1($woogie.getFoo())"; + + try + { + Velocity. evaluate( vc, w, "test", template ); + fail("No exception thrown, macro invocation test."); + } + catch( MethodInvocationException mie ) + { + log("Caught MIE (good!) :" ); + log(" reference = " + mie.getReferenceName() ); + log(" method = " + mie.getMethodName() ); + + Throwable t = mie.getCause(); + log(" throwable = " + t ); + + if( t instanceof Exception) + { + log(" exception = " + t.getMessage() ); + } + } + catch( Exception e) + { + fail("Wrong exception thrown, test of exception within macro parameter"); + } + } + + public void doException() + throws Exception + { + throw new NullPointerException(); + } + + public void getFoo() + throws Exception + { + throw new Exception("Hello from getFoo()" ); + } + + public void setFoo( String foo ) + throws Exception + { + throw new Exception("Hello from setFoo()"); + } +} |