// Copyright 2006 The Apache Software Foundation
//
// 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.apache.tapestry.internal.services;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import org.apache.tapestry.events.InvalidationListener;
import org.apache.tapestry.internal.test.InternalBaseTestCase;
import org.apache.tapestry.ioc.Resource;
import org.apache.tapestry.services.ResourceDigestGenerator;
import org.testng.annotations.Test;
public class ResourceCacheImplTest extends InternalBaseTestCase
{
private static final String PATH = "foo/Bar.gif";
private static final String DIGEST = "abc123";
@Test
public void properties_for_simple_resource() throws Exception
{
ResourceDigestGenerator generator = newResourceDigestGenerator();
File f = createTestFile();
URL url = f.toURL();
Resource r = newResource();
long lastUpdated = f.lastModified();
train_getPath(r, PATH);
train_toURL(r, url);
train_requiresDigest(generator, PATH, false);
replay();
ResourceCacheImpl cache = new ResourceCacheImpl(generator);
assertEquals(cache.requiresDigest(r), false);
assertEquals(cache.getTimeModified(r), lastUpdated);
assertEquals(cache.getDigest(r), null);
verify();
}
@Test
public void properties_for_missing_resource() throws Exception
{
ResourceDigestGenerator generator = newResourceDigestGenerator();
Resource r = newResource();
train_getPath(r, PATH);
train_toURL(r, null);
train_requiresDigest(generator, PATH, true);
replay();
ResourceCacheImpl cache = new ResourceCacheImpl(generator);
assertEquals(cache.requiresDigest(r), true);
assertEquals(cache.getTimeModified(r), ResourceCacheImpl.MISSING_RESOURCE_TIME_MODIFIED);
assertEquals(cache.getDigest(r), null);
verify();
}
@Test
public void properties_for_protected_resource() throws Exception
{
ResourceDigestGenerator generator = newResourceDigestGenerator();
File f = createTestFile();
URL url = f.toURL();
Resource r = newResource();
long lastUpdated = f.lastModified();
train_getPath(r, PATH);
train_toURL(r, url);
train_requiresDigest(generator, PATH, true);
train_generateChecksum(generator, url, DIGEST);
replay();
ResourceCacheImpl cache = new ResourceCacheImpl(generator);
assertEquals(cache.requiresDigest(r), true);
assertEquals(cache.getTimeModified(r), lastUpdated);
assertEquals(cache.getDigest(r), DIGEST);
verify();
}
@Test
public void caching_and_invalidation() throws Exception
{
ResourceDigestGenerator generator = newResourceDigestGenerator();
InvalidationListener listener = newInvalidationListener();
File f = createTestFile();
URL url = f.toURL();
Resource r = newResource();
long lastUpdated = f.lastModified();
train_getPath(r, PATH);
train_toURL(r, url);
train_requiresDigest(generator, PATH, true);
train_generateChecksum(generator, url, DIGEST);
replay();
ResourceCacheImpl cache = new ResourceCacheImpl(generator);
cache.addInvalidationListener(listener);
assertEquals(cache.requiresDigest(r), true);
assertEquals(cache.getTimeModified(r), lastUpdated);
assertEquals(cache.getDigest(r), DIGEST);
// No updates yet.
cache.checkForUpdates();
verify();
touch(f);
lastUpdated = f.lastModified();
String expectedDigest = "FREDBARNEY";
train_getPath(r, PATH);
train_toURL(r, url);
train_requiresDigest(generator, PATH, true);
train_generateChecksum(generator, url, expectedDigest);
listener.objectWasInvalidated();
replay();
cache.checkForUpdates();
assertEquals(cache.requiresDigest(r), true);
assertEquals(cache.getTimeModified(r), lastUpdated);
assertEquals(cache.getDigest(r), expectedDigest);
verify();
}
private File createTestFile() throws IOException
{
return File.createTempFile("ResourceCacheImplTest.", ".tst");
}
}