/*
* Copyright 2002-2008 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.scripting.support;
import java.io.ByteArrayInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import junit.framework.TestCase;
import org.easymock.MockControl;
import org.springframework.core.io.ByteArrayResource;
import org.springframework.core.io.Resource;
/**
* @author Rick Evans
* @author Juergen Hoeller
*/
public class ResourceScriptSourceTests extends TestCase {
public void testCtorWithNullResource() throws Exception {
try {
new ResourceScriptSource(null);
fail("Must have thrown exception by this point.");
}
catch (IllegalArgumentException expected) {
}
}
public void testDoesNotPropagateFatalExceptionOnResourceThatCannotBeResolvedToAFile() throws Exception {
MockControl mock = MockControl.createControl(Resource.class);
Resource resource = (Resource) mock.getMock();
resource.lastModified();
mock.setThrowable(new IOException());
mock.replay();
ResourceScriptSource scriptSource = new ResourceScriptSource(resource);
long lastModified = scriptSource.retrieveLastModifiedTime();
assertEquals(0, lastModified);
mock.verify();
}
public void testBeginsInModifiedState() throws Exception {
MockControl mock = MockControl.createControl(Resource.class);
Resource resource = (Resource) mock.getMock();
mock.replay();
ResourceScriptSource scriptSource = new ResourceScriptSource(resource);
assertTrue(scriptSource.isModified());
mock.verify();
}
public void testLastModifiedWorksWithResourceThatDoesNotSupportFileBasedReading() throws Exception {
MockControl mock = MockControl.createControl(Resource.class);
Resource resource = (Resource) mock.getMock();
// underlying File is asked for so that the last modified time can be checked...
resource.lastModified();
mock.setReturnValue(100, 2);
// does not support File-based reading; delegates to InputStream-style reading...
resource.getFile();
mock.setThrowable(new FileNotFoundException());
resource.getInputStream();
mock.setReturnValue(new ByteArrayInputStream(new byte[0]));
// And then mock the file changing; i.e. the File says it has been modified
resource.lastModified();
mock.setReturnValue(200);
mock.replay();
ResourceScriptSource scriptSource = new ResourceScriptSource(resource);
assertTrue("ResourceScriptSource must start off in the 'isModified' state (it obviously isn't).", scriptSource.isModified());
scriptSource.getScriptAsString();
assertFalse("ResourceScriptSource must not report back as being modified if the underlying File resource is not reporting a changed lastModified time.", scriptSource.isModified());
// Must now report back as having been modified
assertTrue("ResourceScriptSource must report back as being modified if the underlying File resource is reporting a changed lastModified time.", scriptSource.isModified());
mock.verify();
}
public void testLastModifiedWorksWithResourceThatDoesNotSupportFileBasedAccessAtAll() throws Exception {
Resource resource = new ByteArrayResource(new byte[0]);
ResourceScriptSource scriptSource = new ResourceScriptSource(resource);
assertTrue("ResourceScriptSource must start off in the 'isModified' state (it obviously isn't).", scriptSource.isModified());
scriptSource.getScriptAsString();
assertFalse("ResourceScriptSource must not report back as being modified if the underlying File resource is not reporting a changed lastModified time.", scriptSource.isModified());
// Must now continue to report back as not having been modified 'cos the Resource does not support access as a File (and so the lastModified date cannot be determined).
assertFalse("ResourceScriptSource must not report back as being modified if the underlying File resource is not reporting a changed lastModified time.", scriptSource.isModified());
}
}