/**
* 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
* <p/>
* http://www.apache.org/licenses/LICENSE-2.0
* <p/>
* 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.hive.conf;
import junit.framework.Assert;
import org.junit.Test;
import java.util.HashMap;
import java.util.Map;
public class TestVariableSubstitution {
private static class LocalMySource {
final Map<String, String> map = new HashMap<>();
public void put(String k, String v) {
map.put(k, v);
}
public String get(String k) {
return map.get(k);
}
}
private static LocalMySource getMySource() {
return localSource.get();
}
private static ThreadLocal<LocalMySource> localSource = new ThreadLocal<LocalMySource>() {
@Override protected LocalMySource initialValue() {
return new LocalMySource();
}
};
@Test public void testVariableSource() throws InterruptedException {
final VariableSubstitution variableSubstitution =
new VariableSubstitution(new HiveVariableSource() {
@Override public Map<String, String> getHiveVariable() {
return TestVariableSubstitution.getMySource().map;
}
});
String v = variableSubstitution.substitute(new HiveConf(), "${a}");
Assert.assertEquals("${a}", v);
TestVariableSubstitution.getMySource().put("a", "b");
v = variableSubstitution.substitute(new HiveConf(), "${a}");
Assert.assertEquals("b", v);
}
}