/*
* 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 WARRANTIESOR 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.aries.application.modelling.utils;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.apache.aries.application.InvalidAttributeException;
import org.apache.aries.application.modelling.ImportedPackage;
import org.apache.aries.application.modelling.impl.ImportedPackageImpl;
import org.apache.aries.application.modelling.internal.PackageRequirementMerger;
import org.apache.aries.util.VersionRange;
import org.apache.aries.util.manifest.ManifestHeaderProcessor;
import org.junit.Assert;
import org.junit.Test;
import org.osgi.framework.Constants;
public final class PackageRequirementMergerTest
{
private static boolean isEqual(Collection<ImportedPackage> reqs1, Collection<ImportedPackage> reqs2)
{
boolean result = true;
if (reqs1.size() != reqs2.size())
{
result = false;
}
else
{
for (ImportedPackage r1 : reqs1)
{
boolean foundMatch = false;
for (ImportedPackage r2 : reqs2)
{
if (!r1.getPackageName().equals(r2.getPackageName()))
{
continue;
}
if (r1.isOptional() != r2.isOptional())
{
continue;
}
Map<String, String> attribs1 = new HashMap<String, String>(r1.getAttributes());
Map<String, String> attribs2 = new HashMap<String, String>(r2.getAttributes());
VersionRange v1 = ManifestHeaderProcessor.parseVersionRange(attribs1.remove(Constants.VERSION_ATTRIBUTE));
VersionRange v2 = ManifestHeaderProcessor.parseVersionRange(attribs2.remove(Constants.VERSION_ATTRIBUTE));
if (!v1.equals(v2))
{
continue;
}
if (!attribs1.equals(attribs2))
{
continue;
}
foundMatch = true;
break;
}
if (!foundMatch)
{
result = false;
break;
}
}
}
return result;
}
static ImportedPackage newImportedPackage (String name, String version) throws InvalidAttributeException {
Map<String, String> attrs = new HashMap<String, String>();
attrs.put(Constants.VERSION_ATTRIBUTE, version);
return new ImportedPackageImpl (name, attrs);
}
static ImportedPackage newImportedPackage (String name, String version, boolean optional) throws InvalidAttributeException {
Map<String, String> attrs = new HashMap<String, String>();
attrs.put(Constants.VERSION_ATTRIBUTE, version);
attrs.put(Constants.RESOLUTION_DIRECTIVE + ":", (optional)?Constants.RESOLUTION_OPTIONAL:Constants.RESOLUTION_MANDATORY);
return new ImportedPackageImpl (name, attrs);
}
static ImportedPackage newImportedPackage (String name, String version, String attribute) throws InvalidAttributeException {
Map<String, String> attrs = new HashMap<String, String>();
attrs.put(Constants.VERSION_ATTRIBUTE, version);
attrs.put(attribute.split("=")[0], attribute.split("=")[1]);
return new ImportedPackageImpl (name, attrs);
}
@Test
public void testMergeValid() throws Exception
{
Collection<ImportedPackage> reqs = new ArrayList<ImportedPackage>();
reqs.add(newImportedPackage("a", "1.0.0"));
reqs.add(newImportedPackage("a", "2.0.0"));
reqs.add(newImportedPackage("a", "3.0.0"));
reqs.add(newImportedPackage("b", "1.0.0"));
reqs.add(newImportedPackage("b", "2.0.0"));
reqs.add(newImportedPackage("c", "1.0.0"));
PackageRequirementMerger merger = new PackageRequirementMerger(reqs);
Assert.assertTrue(merger.isMergeSuccessful());
Assert.assertTrue(merger.getInvalidRequirements().isEmpty());
Collection<ImportedPackage> result = merger.getMergedRequirements();
Collection<ImportedPackage> expected = new ArrayList<ImportedPackage>();
expected.add(newImportedPackage("a", "3.0.0"));
expected.add(newImportedPackage("b", "2.0.0"));
expected.add(newImportedPackage("c", "1.0.0"));
Assert.assertTrue(result.toString(), isEqual(result, expected));
}
@Test
public void testMergeInvalid() throws Exception
{
Collection<ImportedPackage> reqs = new ArrayList<ImportedPackage>();
reqs.add(newImportedPackage("a", "[1.0.0,2.0.0]"));
reqs.add(newImportedPackage("a", "[3.0.0,3.0.0]"));
reqs.add(newImportedPackage("b", "1.0.0"));
reqs.add(newImportedPackage("b", "2.0.0"));
reqs.add(newImportedPackage("c", "[1.0.0,2.0.0)"));
reqs.add(newImportedPackage("c", "2.0.0"));
PackageRequirementMerger merger = new PackageRequirementMerger(reqs);
Assert.assertFalse(merger.isMergeSuccessful());
try
{
merger.getMergedRequirements();
Assert.fail("getMergedRequirements should throw IllegalStateException.");
}
catch (IllegalStateException e) { }
Set<String> result = merger.getInvalidRequirements();
Set<String> expected = new HashSet<String>();
expected.add("a");
expected.add("c");
Assert.assertEquals(expected, result);
}
@Test
public void testMergeOptionalResolution() throws Exception
{
Collection<ImportedPackage> reqs = new ArrayList<ImportedPackage>();
reqs.add(newImportedPackage("a", "1.0.0", true));
reqs.add(newImportedPackage("a", "2.0.0", true));
PackageRequirementMerger merger = new PackageRequirementMerger(reqs);
Assert.assertTrue(merger.isMergeSuccessful());
Assert.assertTrue(merger.getInvalidRequirements().isEmpty());
Collection<ImportedPackage> result = merger.getMergedRequirements();
Collection<ImportedPackage> expected = new ArrayList<ImportedPackage>();
expected.add(newImportedPackage("a", "2.0.0", true));
Assert.assertTrue(result.toString(), isEqual(result, expected));
}
@Test
public void testMergeMandatoryResolution() throws Exception
{
Collection<ImportedPackage> reqs = new ArrayList<ImportedPackage>();
reqs.add(newImportedPackage("a", "1.0.0", true));
reqs.add(newImportedPackage("a", "2.0.0", false));
PackageRequirementMerger merger = new PackageRequirementMerger(reqs);
Assert.assertTrue(merger.isMergeSuccessful());
Assert.assertTrue(merger.getInvalidRequirements().isEmpty());
Collection<ImportedPackage> result = merger.getMergedRequirements();
Collection<ImportedPackage> expected = new ArrayList<ImportedPackage>();
expected.add(newImportedPackage("a", "2.0.0"));
Assert.assertTrue(result.toString(), isEqual(result, expected));
}
@Test
public void testMergeValidAdditionalAttributes() throws Exception
{
Collection<ImportedPackage> reqs = new ArrayList<ImportedPackage>();
reqs.add(newImportedPackage("a", "1.0.0", "foo=bar"));
reqs.add(newImportedPackage("a", "2.0.0", "foo=bar"));
PackageRequirementMerger merger = new PackageRequirementMerger(reqs);
Assert.assertTrue(merger.isMergeSuccessful());
Assert.assertTrue(merger.getInvalidRequirements().isEmpty());
Collection<ImportedPackage> result = merger.getMergedRequirements();
Collection<ImportedPackage> expected = new ArrayList<ImportedPackage>();
expected.add(newImportedPackage("a", "2.0.0", "foo=bar"));
Assert.assertTrue(result.toString(), isEqual(result, expected));
}
@Test
public void testMergeInvalidAdditionalAttributes() throws Exception
{
Collection<ImportedPackage> reqs = new ArrayList<ImportedPackage>();
reqs.add(newImportedPackage("a", "1.0.0", "foo=bar"));
reqs.add(newImportedPackage("a", "2.0.0", "foo=blah"));
reqs.add(newImportedPackage("b", "1.0.0"));
PackageRequirementMerger merger = new PackageRequirementMerger(reqs);
Assert.assertFalse(merger.isMergeSuccessful());
try
{
merger.getMergedRequirements();
Assert.fail("getMergedRequirements should throw IllegalStateException.");
}
catch (IllegalStateException e) { }
Set<String> result = merger.getInvalidRequirements();
Set<String> expected = new HashSet<String>();
expected.add("a");
Assert.assertEquals(expected, result);
}
}