/*
* Copyright 2002-2015 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.IOException;
import org.junit.Test;
import org.springframework.core.io.ByteArrayResource;
import org.springframework.core.io.Resource;
import org.springframework.util.StreamUtils;
import static org.junit.Assert.*;
import static org.mockito.BDDMockito.*;
/**
* @author Rick Evans
* @author Juergen Hoeller
*/
public class ResourceScriptSourceTests {
@Test
public void doesNotPropagateFatalExceptionOnResourceThatCannotBeResolvedToAFile() throws Exception {
Resource resource = mock(Resource.class);
given(resource.lastModified()).willThrow(new IOException());
ResourceScriptSource scriptSource = new ResourceScriptSource(resource);
long lastModified = scriptSource.retrieveLastModifiedTime();
assertEquals(0, lastModified);
}
@Test
public void beginsInModifiedState() throws Exception {
Resource resource = mock(Resource.class);
ResourceScriptSource scriptSource = new ResourceScriptSource(resource);
assertTrue(scriptSource.isModified());
}
@Test
public void lastModifiedWorksWithResourceThatDoesNotSupportFileBasedReading() throws Exception {
Resource resource = mock(Resource.class);
// underlying File is asked for so that the last modified time can be checked...
// And then mock the file changing; i.e. the File says it has been modified
given(resource.lastModified()).willReturn(100L, 100L, 200L);
// does not support File-based reading; delegates to InputStream-style reading...
//resource.getFile();
//mock.setThrowable(new FileNotFoundException());
given(resource.getInputStream()).willReturn(StreamUtils.emptyInput());
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());
}
@Test
public void lastModifiedWorksWithResourceThatDoesNotSupportFileBasedAccessAtAll() 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());
}
}