// Copyright 2004, 2005, 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.ioc.internal.util;
import static org.apache.tapestry.ioc.internal.util.CollectionFactory.newList;
import java.util.List;
import org.apache.tapestry.ioc.internal.util.IdAllocator;
import org.testng.Assert;
import org.testng.annotations.Test;
public class IdAllocatorTest extends Assert
{
@Test
public void simple()
{
IdAllocator a = new IdAllocator();
List<String> ids = newList();
assertFalse(a.isAllocated("name"));
assertEquals(a.allocateId("name"), "name");
assertTrue(a.isAllocated("name"));
ids.add("name");
for (int i = 0; i < 10; i++)
{
String expected = "name_" + i;
assertFalse(a.isAllocated(expected));
String nextId = a.allocateId("name");
assertTrue(a.isAllocated(expected));
assertEquals(nextId, expected);
ids.add(nextId);
}
assertEquals(a.getAllocatedIds(), ids);
}
@Test
public void simple_with_namespace()
{
IdAllocator a = new IdAllocator("_NS");
assertEquals(a.allocateId("name"), "name_NS");
for (int i = 0; i < 10; i++)
assertEquals(a.allocateId("name"), "name_NS_" + i);
// This is current behavior, but is probably something
// that could be improved.
assertEquals(a.allocateId("foo_NS"), "foo_NS_NS");
assertEquals(a.allocateId("foo_NS"), "foo_NS_NS_0");
}
@Test
public void degenerate()
{
IdAllocator a = new IdAllocator();
assertEquals(a.allocateId("d_1"), "d_1");
assertEquals(a.allocateId("d"), "d");
assertEquals(a.allocateId("d"), "d_0");
assertEquals(a.allocateId("d"), "d_2");
assertEquals(a.allocateId("d"), "d_3");
assertEquals(a.allocateId("d_1"), "d_1_0");
}
@Test
public void degenerate_with_namespace()
{
IdAllocator a = new IdAllocator("_NS");
assertEquals(a.allocateId("d_1"), "d_1_NS");
assertEquals(a.allocateId("d"), "d_NS");
assertEquals(a.allocateId("d"), "d_NS_0");
assertEquals(a.allocateId("d"), "d_NS_1");
assertEquals(a.allocateId("d"), "d_NS_2");
assertEquals(a.allocateId("d"), "d_NS_3");
assertEquals(a.allocateId("d_1"), "d_1_NS_0");
// This is very degenerate, and maybe something that needs fixing.
assertEquals(a.allocateId("d_1_NS"), "d_1_NS_NS");
}
@Test
public void clear()
{
IdAllocator a = new IdAllocator();
assertEquals(a.allocateId("foo"), "foo");
assertEquals(a.allocateId("foo_0"), "foo_0");
a.clear();
assertEquals(a.allocateId("foo"), "foo");
assertEquals(a.allocateId("foo_0"), "foo_0");
}
@Test
public void clone_test()
{
IdAllocator a = new IdAllocator();
assertEquals(a.allocateId("foo"), "foo");
assertEquals(a.allocateId("foo_0"), "foo_0");
assertEquals(a.allocateId("foo"), "foo_1");
IdAllocator b = a.clone();
// After making a clone, parallel operations should return the same results.
// If anything under the covers was shared, then parallel operations would
// interfere with each other.
assertEquals(b.allocateId("bar"), a.allocateId("bar"));
assertEquals(b.allocateId("foo"), a.allocateId("foo"));
assertEquals(b.allocateId("foo_0"), a.allocateId("foo_0"));
}
}