| /** |
| * 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 org.apache.hadoop.fs; |
| |
| import junit.framework.AssertionFailedError; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.shell.Command; |
| import org.apache.hadoop.fs.shell.CommandFactory; |
| import org.apache.hadoop.test.GenericTestUtils; |
| import org.apache.hadoop.tracing.SetSpanReceiver; |
| import org.apache.hadoop.util.ToolRunner; |
| import org.apache.htrace.core.AlwaysSampler; |
| import org.apache.htrace.core.Tracer; |
| import org.hamcrest.core.StringContains; |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.mockito.Mockito; |
| |
| public class TestFsShell { |
| |
| @Test |
| public void testConfWithInvalidFile() throws Throwable { |
| String[] args = new String[1]; |
| args[0] = "--conf=invalidFile"; |
| Throwable th = null; |
| try { |
| FsShell.main(args); |
| } catch (Exception e) { |
| th = e; |
| } |
| |
| if (!(th instanceof RuntimeException)) { |
| throw new AssertionFailedError("Expected Runtime exception, got: " + th) |
| .initCause(th); |
| } |
| } |
| |
| @Test |
| public void testTracing() throws Throwable { |
| Configuration conf = new Configuration(); |
| String prefix = "fs.shell.htrace."; |
| conf.set(prefix + Tracer.SPAN_RECEIVER_CLASSES_KEY, |
| SetSpanReceiver.class.getName()); |
| conf.set(prefix + Tracer.SAMPLER_CLASSES_KEY, |
| AlwaysSampler.class.getName()); |
| conf.setQuietMode(false); |
| FsShell shell = new FsShell(conf); |
| int res; |
| try { |
| res = ToolRunner.run(shell, new String[]{"-help", "ls", "cat"}); |
| } finally { |
| shell.close(); |
| } |
| SetSpanReceiver.assertSpanNamesFound(new String[]{"help"}); |
| Assert.assertEquals("-help ls cat", |
| SetSpanReceiver.getMap() |
| .get("help").get(0).getKVAnnotations().get("args")); |
| } |
| |
| @Test |
| public void testDFSWithInvalidCommmand() throws Throwable { |
| FsShell shell = new FsShell(new Configuration()); |
| try (GenericTestUtils.SystemErrCapturer capture = |
| new GenericTestUtils.SystemErrCapturer()) { |
| ToolRunner.run(shell, new String[]{"dfs -mkdirs"}); |
| Assert.assertThat("FSShell dfs command did not print the error " + |
| "message when invalid command is passed", |
| capture.getOutput(), StringContains.containsString( |
| "-mkdirs: Unknown command")); |
| Assert.assertThat("FSShell dfs command did not print help " + |
| "message when invalid command is passed", |
| capture.getOutput(), StringContains.containsString( |
| "Usage: hadoop fs [generic options]")); |
| } |
| } |
| |
| @Test |
| public void testExceptionNullMessage() throws Exception { |
| final String cmdName = "-cmdExNullMsg"; |
| final Command cmd = Mockito.mock(Command.class); |
| Mockito.when(cmd.run(Mockito.<String>anyVararg())).thenThrow( |
| new IllegalArgumentException()); |
| Mockito.when(cmd.getUsage()).thenReturn(cmdName); |
| |
| final CommandFactory cmdFactory = Mockito.mock(CommandFactory.class); |
| final String[] names = {cmdName}; |
| Mockito.when(cmdFactory.getNames()).thenReturn(names); |
| Mockito.when(cmdFactory.getInstance(cmdName)).thenReturn(cmd); |
| |
| FsShell shell = new FsShell(new Configuration()); |
| shell.commandFactory = cmdFactory; |
| try (GenericTestUtils.SystemErrCapturer capture = |
| new GenericTestUtils.SystemErrCapturer()) { |
| ToolRunner.run(shell, new String[]{cmdName}); |
| Assert.assertThat(capture.getOutput(), |
| StringContains.containsString(cmdName |
| + ": Null exception message")); |
| } |
| } |
| } |