/*
* 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.sling.installer.core.impl;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import java.util.Dictionary;
import java.util.Hashtable;
import org.apache.sling.installer.api.InstallableResource;
public class DictionaryDigestTest {
private void setTestData(Hashtable<String, Object> d) {
d.put("str", "value");
d.put("long", new Long(12));
d.put("array", new String[] { "a", "b"});
}
private InternalResource create(final InstallableResource is) throws IOException {
new FileDataStore(new MockBundleContext());
return InternalResource.create("test", is);
}
private String testDigestChanged(Dictionary<String, Object> d,
String oldDigest, int step, boolean shouldChange) throws Exception {
final String newDigest = create(new InstallableResource("a", null, d, null, null, null)).getDigest();
if(shouldChange) {
assertTrue("Digest (" + newDigest + ") should have changed at step " + step, !newDigest.equals(oldDigest));
} else {
assertTrue("Digest (" + newDigest + ") should NOT have changed at step " + step, newDigest.equals(oldDigest));
}
return newDigest;
}
@org.junit.Test public void testDictionaryDigestSameData() throws Exception {
final Hashtable<String, Object> d1 = new Hashtable<String, Object>();
final Hashtable<String, Object> d2 = new Hashtable<String, Object>();
setTestData(d1);
setTestData(d2);
assertEquals(
"Two dictionary with same values have the same key",
create(new InstallableResource("a", null, d1, null, null, null)).getDigest(),
create(new InstallableResource("a", null, d2, null, null, null)).getDigest()
);
}
@org.junit.Test public void testDictionaryDigestChanges() throws Exception {
String digest = "";
int step = 1;
final Dictionary<String, Object> d = new Hashtable<String, Object>();
digest = testDigestChanged(d, digest, step, true);
digest = testDigestChanged(d, digest, step, false);
d.put("key", "value");
digest = testDigestChanged(d, digest, step, true);
d.put("key", "value");
digest = testDigestChanged(d, digest, step, false);
d.put("key", "valueB");
digest = testDigestChanged(d, digest, step, true);
d.put("int", new Integer(12));
digest = testDigestChanged(d, digest, step, true);
d.put("int", new Integer(12));
digest = testDigestChanged(d, digest, step, false);
d.put("int", new Integer(13));
digest = testDigestChanged(d, digest, step, true);
d.put("array", new String [] { "a", "b", "c"});
digest = testDigestChanged(d, digest, step, true);
d.put("array", new String [] { "a", "b", "c"});
digest = testDigestChanged(d, digest, step, false);
d.put("array", new String [] { "a", "b", "D"});
digest = testDigestChanged(d, digest, step, true);
d.put("another", new String [] { "a", "b", "D"});
digest = testDigestChanged(d, digest, step, true);
}
@org.junit.Test public void testDictionaryOrderDoesNotMatter() throws Exception {
final Dictionary<String, Object> a = new Hashtable<String, Object>();
a.put("one", "A");
a.put("two", "B");
a.put("three", "C");
final Dictionary<String, Object> b = new Hashtable<String, Object>();
b.put("two", "B");
b.put("one", "A");
b.put("three", "C");
assertEquals("Same data in different order must have same digest",
create(new InstallableResource("a", null, a, null, null, null)).getDigest(),
create(new InstallableResource("a", null, b, null, null, null)).getDigest()
);
}
}