| /* |
| * Copyright 2013-present Facebook, Inc. |
| * |
| * 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 com.facebook.buck.cli; |
| |
| import com.facebook.buck.testutil.TestConsole; |
| import com.google.common.base.Optional; |
| |
| import static org.junit.Assert.assertEquals; |
| import org.junit.Test; |
| |
| /** |
| * Unit test for {@link Command}. |
| */ |
| public class CommandTest { |
| |
| /** |
| * Testing the fuzzy command matching feature in {@link Command#getCommandForName}. |
| */ |
| @Test |
| public void testFuzzyCommandMatch() { |
| TestConsole console; |
| console = new TestConsole(); |
| |
| assertEquals(Optional.of(Command.BUILD), Command.getCommandForName("buil", console)); |
| assertEquals(Optional.of(Command.BUILD), Command.getCommandForName("biuld", console)); |
| assertEquals(Optional.of(Command.AUDIT), Command.getCommandForName("audir", console)); |
| assertEquals(Optional.of(Command.AUDIT), Command.getCommandForName("auditt", console)); |
| assertEquals(Optional.of(Command.TEST), Command.getCommandForName("test", console)); |
| assertEquals(Optional.of(Command.TEST), Command.getCommandForName("twst", console)); |
| assertEquals(Optional.of(Command.TEST), Command.getCommandForName("tset", console)); |
| assertEquals(Optional.of(Command.INSTALL), Command.getCommandForName("imstall", console)); |
| assertEquals(Optional.of(Command.INSTALL), Command.getCommandForName("sintall", console)); |
| assertEquals(Optional.of(Command.INSTALL), Command.getCommandForName("sintalle", console)); |
| assertEquals(Optional.of(Command.TARGETS), Command.getCommandForName("tragets", console)); |
| assertEquals(Optional.of(Command.TARGETS), Command.getCommandForName("taegers", console)); |
| assertEquals( |
| "'yyyyyyy' shouldn't match any current command.", |
| Optional.absent(), |
| Command.getCommandForName("yyyyyyy", console)); |
| |
| // Boundary cases |
| assertEquals( |
| "'unsintakk' is of distance 4 to the closest command 'uninstall' since\n" + |
| "4 / length('uninstall') = 4 / 9 is smaller than Coomand.MAX_ERROR_RATIO (0.5),\n" + |
| "we expect it matches uninstall.\n", |
| Optional.of(Command.UNINSTALL), |
| Command.getCommandForName("unsintakk", console)); |
| assertEquals( |
| "'insatkk' is of distance 4 to the closest command 'install' since\n" + |
| "4 / length('install') = 4 / 7 is larger than Coomand.MAX_ERROR_RATIO (0.5),\n" + |
| "we expect Optional.absent() gets returned.\n", |
| Optional.absent(), |
| Command.getCommandForName("insatkk", console)); |
| assertEquals( |
| "'atrgest' is of distance 4 to the closest command 'targets' since\n" + |
| "4 / length('targets') = 4 / 7 is larger than Coomand.MAX_ERROR_RATIO (0.5),\n" + |
| "we expect Optional.absent() gets returned.\n", |
| Optional.absent(), |
| Command.getCommandForName("atrgest", console)); |
| assertEquals( |
| "'unsintskk' is of distance 5 to the closest command 'uninstall' since\n" + |
| "5 / length('uninstall') = 5 / 9 is larger than Coomand.MAX_ERROR_RATIO (0.5),\n" + |
| "we expect Optional.absent() gets returned.\n", |
| Optional.absent(), |
| Command.getCommandForName("unsintskk", console)); |
| } |
| } |