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/*
* Copyright 2015 Open Networking Laboratory
*
* 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.onosproject.cfg.impl;
import com.google.common.collect.ImmutableSet;
import com.google.common.io.Files;
import org.junit.Before;
import org.junit.Test;
import org.onosproject.cfg.ComponentConfigAdapter;
import org.slf4j.Logger;
import java.io.File;
import java.io.IOException;
import java.util.Set;
import static com.google.common.io.ByteStreams.toByteArray;
import static com.google.common.io.Files.write;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.slf4j.LoggerFactory.getLogger;
/**
* UnitTest for ComponentLoader.
*/
public class ComponentConfigLoaderTest {
static final File TEST_DIR = Files.createTempDir();
private static final String FOO_COMPONENT = "fooComponent";
private ComponentConfigLoader loader;
private TestConfigService service;
private final Logger log = getLogger(getClass());
/*
* Method to SetUp the test environment with test file, a config loader a service,
* and assign it to the loader.configService for the test.
*/
@Before
public void setUp() {
ComponentConfigLoader.cfgFile = new File(TEST_DIR, "test.json");
loader = new ComponentConfigLoader();
service = new TestConfigService();
loader.configService = service;
}
/*
* Tests that the component in the json receives the correct configuration.
*/
@Test
public void basics() throws IOException {
stageTestResource("basic.json");
loader.activate();
assertEquals("incorrect component", FOO_COMPONENT, service.component);
}
/*
* Tests that the component is null if the file has a bad configuration format
* for which it yielded an exception. Can't test the exception because it happens
* in a different thread.
*/
@Test
public void badConfig() throws IOException {
stageTestResource("badConfig.json");
loader.activate();
assertNull("incorrect configuration", service.component);
}
/*
* Writes the necessary file for the tests in the temporary directory
*/
static void stageTestResource(String name) throws IOException {
byte[] bytes = toByteArray(ComponentConfigLoaderTest.class.getResourceAsStream(name));
write(bytes, ComponentConfigLoader.cfgFile);
}
/*
* Mockup class for the config service.
*/
private class TestConfigService extends ComponentConfigAdapter {
protected String component;
protected String name;
protected String value;
@Override
public Set<String> getComponentNames() {
return ImmutableSet.of(FOO_COMPONENT);
}
@Override
public void preSetProperty(String componentName, String name, String value) {
log.info("preSet");
this.component = componentName;
this.name = name;
this.value = value;
}
@Override
public void setProperty(String componentName, String name, String value) {
log.info("Set");
this.component = componentName;
this.name = name;
this.value = value;
}
}
}
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