/**
* Licensed to Cloudera, Inc. under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Cloudera, Inc. 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 com.cloudera.flume.master;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.io.IOException;
import java.util.List;
import org.junit.Test;
import com.cloudera.flume.conf.FlumeConfigData;
import com.cloudera.util.FileUtil;
public class TestMemoryBackedConfigStore {
/**
* Test that set and get work correctly, and that save and load work
* correctly.
*/
@Test
public void testGetSetSaveLoad() throws IOException {
File tmp = FileUtil.createTempFile("test-flume", "");
tmp.delete();
tmp.deleteOnExit();
MemoryBackedConfigStore store = new MemoryBackedConfigStore();
ConfigManager manager = new ConfigManager(store);
manager.setConfig("foo", "my-test-flow", "null", "console");
FlumeConfigData data = manager.getConfig("foo");
assertEquals(data.getSinkConfig(), "console");
assertEquals(data.getSourceConfig(), "null");
manager.saveConfigFile(tmp.getAbsolutePath());
manager = new ConfigManager(new MemoryBackedConfigStore());
manager.loadConfigFile(tmp.getAbsolutePath());
data = manager.getConfig("foo");
assertEquals(data.getSinkConfig(), "console");
assertEquals(data.getSourceConfig(), "null");
}
/**
* Test that set and get work correctly (do not do persistence here.)
*/
@Test
public void testNodes() throws IOException {
File tmp = FileUtil.createTempFile("test-flume", "");
tmp.delete();
tmp.deleteOnExit();
MemoryBackedConfigStore store = new MemoryBackedConfigStore();
ConfigManager manager = new ConfigManager(store);
manager.addLogicalNode("physical", "logical1");
manager.addLogicalNode("physical", "logical2");
manager.addLogicalNode("physical", "logical3");
manager.addLogicalNode("p2", "l2");
manager.addLogicalNode("p3", "l3");
List<String> lns = manager.getLogicalNode("physical");
assertTrue(lns.contains("logical1"));
assertTrue(lns.contains("logical2"));
assertTrue(lns.contains("logical3"));
assertTrue(manager.getLogicalNode("p2").contains("l2"));
assertTrue(manager.getLogicalNode("p3").contains("l3"));
}
/**
* Test unmap all work correctly (do not do persistence here.)
*/
@Test
public void testUnmapAllNodes() throws IOException {
File tmp = FileUtil.createTempFile("test-flume", "");
tmp.delete();
tmp.deleteOnExit();
MemoryBackedConfigStore store = new MemoryBackedConfigStore();
ConfigManager manager = new ConfigManager(store);
manager.addLogicalNode("physical", "logical1");
manager.addLogicalNode("physical", "logical2");
manager.addLogicalNode("physical", "logical3");
manager.addLogicalNode("p2", "l2");
manager.addLogicalNode("p3", "l3");
manager.unmapAllLogicalNodes();
List<String> lns = manager.getLogicalNode("physical");
assertFalse(lns.contains("logical1"));
assertFalse(lns.contains("logical2"));
assertFalse(lns.contains("logical3"));
assertFalse(manager.getLogicalNode("p2").contains("l2"));
assertFalse(manager.getLogicalNode("p3").contains("l3"));
}
@Test(expected = IllegalArgumentException.class)
public void testNullHost() throws IOException {
MemoryBackedConfigStore store = new MemoryBackedConfigStore();
ConfigManager manager = new ConfigManager(store);
manager.setConfig(null, "my-test-flow", "null", "console");
}
@Test(expected = IllegalArgumentException.class)
public void testNullFlow() throws IOException {
MemoryBackedConfigStore store = new MemoryBackedConfigStore();
ConfigManager manager = new ConfigManager(store);
manager.setConfig("host", null, "null", "console");
}
@Test(expected = IllegalArgumentException.class)
public void testNullSource() throws IOException {
MemoryBackedConfigStore store = new MemoryBackedConfigStore();
ConfigManager manager = new ConfigManager(store);
manager.setConfig("host", "flow", null, "console");
}
@Test(expected = IllegalArgumentException.class)
public void testNullSink() throws IOException {
MemoryBackedConfigStore store = new MemoryBackedConfigStore();
ConfigManager manager = new ConfigManager(store);
manager.setConfig("host", "flow", "null", null);
}
}