/*
* 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.isis.core.commons.config;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
import java.util.Iterator;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class IsisConfigurationDefaultTest_createSubset {
private IsisConfigurationDefault configuration;
@Before
public void setUp() throws Exception {
configuration = new IsisConfigurationDefault();
}
@After
public void tearDown() throws Exception {
configuration = null;
}
@Test
public void empty() {
final IsisConfiguration subset = configuration.createSubset("foo");
assertThat(subset.iterator().hasNext(), is(false));
}
@Test
public void nonEmptyButNoneInSubset() {
configuration.add("bar", "barValue");
final IsisConfiguration subset = configuration.createSubset("foo");
assertThat(subset.iterator().hasNext(), is(false));
}
@Test
public void nonEmptyButSingleKeyedInSubset() {
configuration.add("foo", "fooValue");
final IsisConfiguration subset = configuration.createSubset("foo");
final Iterator<String> iterator = subset.iterator();
assertThat(iterator.hasNext(), is(false));
}
@Test
public void nonEmptyAndMultiKeyedInSubset() {
configuration.add("foo.foz", "fozValue");
final IsisConfiguration subset = configuration.createSubset("foo");
final Iterator<String> iterator = subset.iterator();
assertThat(iterator.hasNext(), is(true));
assertThat(iterator.next(), is("foz"));
assertThat(iterator.hasNext(), is(false));
assertThat(subset.getString("foz"), is("fozValue"));
}
@Test
public void propertiesOutsideOfSubsetAreIgnored() {
configuration.add("foo.foz", "fozValue");
configuration.add("foo.faz", "fazValue");
configuration.add("bar.baz", "bazValue");
final IsisConfiguration subset = configuration.createSubset("foo");
assertThat(subset.getString("foz"), is("fozValue"));
assertThat(subset.getString("faz"), is("fazValue"));
final Iterator<String> iterator = subset.iterator();
assertThat(iterator.hasNext(), is(true));
iterator.next();
assertThat(iterator.hasNext(), is(true));
iterator.next();
assertThat(iterator.hasNext(), is(false));
}
}