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9e65acc937
This removes exception rules that aren't used and switches over existing uses of ExceptedException to ExceptionRule when possible. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=129013329
97 lines
3.8 KiB
Java
97 lines
3.8 KiB
Java
// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.tools;
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import static com.google.common.base.CaseFormat.LOWER_UNDERSCORE;
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import static com.google.common.base.CaseFormat.UPPER_CAMEL;
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import static com.google.common.reflect.Reflection.getPackageName;
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import static com.google.common.truth.Truth.assertWithMessage;
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import com.google.common.base.Joiner;
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import com.google.common.collect.ImmutableSet;
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import com.google.common.collect.Sets;
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import com.google.common.reflect.ClassPath;
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import com.google.common.reflect.ClassPath.ClassInfo;
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import com.google.common.truth.Expect;
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import java.io.IOException;
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import java.lang.reflect.Modifier;
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import java.util.Map;
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import java.util.Set;
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import org.junit.Before;
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import org.junit.Rule;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.junit.runners.JUnit4;
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/** Unit tests for {@link RegistryTool}. */
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@RunWith(JUnit4.class)
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public class RegistryToolTest {
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@Rule
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public final Expect expect = Expect.create();
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@Before
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public void init() {
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RegistryToolEnvironment.UNITTEST.setup();
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}
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@Test
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public void testThatAllCommandsAreInCliOptions() throws Exception {
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Set<Class<? extends Command>> commandMapClasses =
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ImmutableSet.copyOf(RegistryTool.COMMAND_MAP.values());
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Set<Class<? extends Command>> commandsWithoutCliInvokers =
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Sets.difference(getAllCommandClasses(), commandMapClasses);
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String errorMsg =
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"These Command classes are missing from RegistryTool.COMMAND_MAP: "
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+ Joiner.on(", ").join(commandsWithoutCliInvokers);
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assertWithMessage(errorMsg).that(commandsWithoutCliInvokers).isEmpty();
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}
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@Test
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public void testThatCommandNamesAreDerivedFromClassNames() throws Exception {
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for (Map.Entry<String, ? extends Class<? extends Command>> commandEntry :
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RegistryTool.COMMAND_MAP.entrySet()) {
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String className = commandEntry.getValue().getSimpleName();
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expect.that(commandEntry.getKey())
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// JCommander names should match the class name, up to "Command" and case formatting.
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.isEqualTo(UPPER_CAMEL.to(LOWER_UNDERSCORE, className.replaceFirst("Command$", "")));
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}
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}
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/**
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* Gets the set of all non-abstract classes implementing the {@link Command} interface (abstract
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* class and interface subtypes of Command aren't expected to have cli commands). Note that this
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* also filters out HelpCommand, which has special handling in {@link RegistryCli} and isn't in
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* the command map.
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*
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* @throws IOException if reading the classpath resources fails.
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*/
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@SuppressWarnings("unchecked")
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private ImmutableSet<Class<? extends Command>> getAllCommandClasses() throws IOException {
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ImmutableSet.Builder<Class<? extends Command>> builder = new ImmutableSet.Builder<>();
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for (ClassInfo classInfo : ClassPath
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.from(getClass().getClassLoader())
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.getTopLevelClasses(getPackageName(getClass()))) {
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Class<?> clazz = classInfo.load();
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if (Command.class.isAssignableFrom(clazz)
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&& !Modifier.isAbstract(clazz.getModifiers())
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&& !Modifier.isInterface(clazz.getModifiers())
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&& !clazz.equals(HelpCommand.class)) {
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builder.add((Class<? extends Command>) clazz);
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}
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}
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return builder.build();
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}
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}
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