/**
* Licensed to jclouds, Inc. (jclouds) under one or more
* contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. jclouds 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.jclouds.config;
import static org.testng.Assert.assertEquals;
import org.testng.annotations.Test;
import com.google.inject.AbstractModule;
import com.google.inject.Guice;
import com.google.inject.name.Names;
/**
* Tests behavior of ValueOfConfigurationKeyOrNull
*
* @author Adrian Cole
*/
@Test(groups = "unit")
public class ValueOfConfigurationKeyOrNullTest {
@Test
public void testNotThere() {
assertEquals(Guice.createInjector().getInstance(ValueOfConfigurationKeyOrNull.class).apply("foo"), null);
}
@Test
public void testThere() {
assertEquals(Guice.createInjector(new AbstractModule() {
@Override
protected void configure() {
bindConstant().annotatedWith(Names.named("foo")).to("bar");
}
}).getInstance(ValueOfConfigurationKeyOrNull.class).apply("foo"), "bar");
}
@Test
public void testEmptyIsThere() {
assertEquals(Guice.createInjector(new AbstractModule() {
@Override
protected void configure() {
bindConstant().annotatedWith(Names.named("foo")).to("");
}
}).getInstance(ValueOfConfigurationKeyOrNull.class).apply("foo"), "");
}
}