| /** |
| * 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 com.cloudera.sqoop.tool; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.apache.commons.cli.CommandLine; |
| |
| import org.apache.hadoop.conf.Configuration; |
| |
| import org.apache.hadoop.util.StringUtils; |
| |
| import com.cloudera.sqoop.Sqoop; |
| import com.cloudera.sqoop.SqoopOptions; |
| |
| import com.cloudera.sqoop.SqoopOptions.InvalidOptionsException; |
| |
| import com.cloudera.sqoop.cli.ToolOptions; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.fail; |
| |
| /** |
| * Test that tool plugins work. |
| */ |
| public class TestToolPlugin { |
| |
| public static final Log LOG = LogFactory |
| .getLog(TestToolPlugin.class.getName()); |
| |
| /** |
| * The plugin that registers the tool. |
| */ |
| public static class PluginClass extends ToolPlugin { |
| public List<ToolDesc> getTools() { |
| return Collections.singletonList(new ToolDesc("fooTool", |
| FooTool.class, "does foo things")); |
| } |
| } |
| |
| /** |
| * The dummy tool itself. |
| */ |
| public static class FooTool extends BaseSqoopTool { |
| /** Holds the name of the last user we "operated" as. */ |
| private static String lastUser; |
| static String getLastUser() { |
| return lastUser; |
| } |
| |
| private static void setLastUser(String last) { |
| lastUser = last; |
| } |
| |
| public FooTool() { |
| super("fooTool"); |
| } |
| |
| /** Just save the username and call it a day. */ |
| @Override |
| public int run(SqoopOptions opts) { |
| setLastUser(opts.getUsername()); |
| LOG.info("FooTool operating on user: " + lastUser); |
| return 0; |
| } |
| |
| @Override |
| public void configureOptions(ToolOptions toolOptions) { |
| toolOptions.addUniqueOptions(getCommonOptions()); |
| } |
| |
| @Override |
| public void applyOptions(CommandLine in, SqoopOptions out) |
| throws InvalidOptionsException { |
| applyCommonOptions(in, out); |
| } |
| |
| @Override |
| public void validateOptions(SqoopOptions options) |
| throws InvalidOptionsException { |
| validateCommonOptions(options); |
| } |
| } |
| |
| @Test |
| public void testPlugin() { |
| // Register the plugin with SqoopTool. |
| Configuration pluginConf = new Configuration(); |
| pluginConf.set(SqoopTool.TOOL_PLUGINS_KEY, PluginClass.class.getName()); |
| SqoopTool.loadPlugins(pluginConf); |
| |
| ArrayList<String> args = new ArrayList<String>(); |
| args.add("fooTool"); |
| args.add("--username"); |
| args.add("bob"); |
| args.add("--connect"); |
| args.add("anywhere"); |
| |
| int ret = Sqoop.runTool(args.toArray(new String[0])); |
| assertEquals("Expected tool run success", 0, ret); |
| |
| String actualUser = FooTool.getLastUser(); |
| assertEquals("Failed to set username correctly.", "bob", actualUser); |
| } |
| |
| /** |
| * Plugin class that tries to override an existing tool definition. |
| */ |
| public static class OverridePlugin extends ToolPlugin { |
| public List<ToolDesc> getTools() { |
| return Collections.singletonList(new ToolDesc("import", |
| FooTool.class, "replaces 'import' with foo")); |
| } |
| } |
| |
| @Test |
| public void testNoOverrideTools() { |
| // Test that you can't override an existing tool definition. First |
| // registration of a tool name wins. |
| Configuration pluginConf = new Configuration(); |
| pluginConf.set(SqoopTool.TOOL_PLUGINS_KEY, OverridePlugin.class.getName()); |
| try { |
| SqoopTool.loadPlugins(pluginConf); |
| fail("Successfully loaded a plugin that overrides 'import' tool."); |
| } catch (RuntimeException re) { |
| LOG.info("Got runtime exception registering plugin (expected; ok): " |
| + StringUtils.stringifyException(re)); |
| } |
| } |
| } |