/**
* 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.hadoop.metrics2.impl;
import java.io.PrintStream;
import java.util.Iterator;
import static org.junit.Assert.*;
import org.apache.commons.configuration.Configuration;
import org.apache.commons.configuration.PropertiesConfiguration;
/**
* Helpers for config tests and debugging
*/
class ConfigUtil {
static void dump(Configuration c) {
dump(null, c, System.out);
}
static void dump(String header, Configuration c) {
dump(header, c, System.out);
}
static void dump(String header, Configuration c, PrintStream out) {
PropertiesConfiguration p = new PropertiesConfiguration();
p.copy(c);
if (header != null) {
out.println(header);
}
try { p.save(out); }
catch (Exception e) {
throw new RuntimeException("Error saving config", e);
}
}
static void assertEq(Configuration expected, Configuration actual) {
// Check that the actual config contains all the properties of the expected
for (Iterator<?> it = expected.getKeys(); it.hasNext();) {
String key = (String) it.next();
assertTrue("actual should contain "+ key, actual.containsKey(key));
assertEquals("value of "+ key, expected.getProperty(key),
actual.getProperty(key));
}
// Check that the actual config has no extra properties
for (Iterator<?> it = actual.getKeys(); it.hasNext();) {
String key = (String) it.next();
assertTrue("expected should contain "+ key, expected.containsKey(key));
}
}
}