mv com/google/domain/registry google/registry

This change renames directories in preparation for the great package
rename. The repository is now in a broken state because the code
itself hasn't been updated. However this should ensure that git
correctly preserves history for each file.

javatests/google/registry/tools/RegistryToolTest.java

@@ -0,0 +1,103 @@
+// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
+//
+// 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.google.domain.registry.tools;
+
+import static com.google.common.base.CaseFormat.LOWER_UNDERSCORE;
+import static com.google.common.base.CaseFormat.UPPER_CAMEL;
+import static com.google.common.reflect.Reflection.getPackageName;
+import static com.google.common.truth.Truth.assertWithMessage;
+
+import com.google.common.base.Joiner;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Sets;
+import com.google.common.reflect.ClassPath;
+import com.google.common.reflect.ClassPath.ClassInfo;
+import com.google.common.truth.Expect;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+import java.io.IOException;
+import java.lang.reflect.Modifier;
+import java.util.Map;
+import java.util.Set;
+
+/** Unit tests for {@link RegistryTool}. */
+@RunWith(JUnit4.class)
+public class RegistryToolTest {
+
+  @Rule
+  public final ExpectedException thrown = ExpectedException.none();
+
+  @Rule
+  public final Expect expect = Expect.create();
+
+  @Before
+  public void init() {
+    RegistryToolEnvironment.UNITTEST.setup();
+  }
+
+  @Test
+  public void testThatAllCommandsAreInCliOptions() throws Exception {
+    Set<Class<? extends Command>> commandMapClasses =
+        ImmutableSet.copyOf(RegistryTool.COMMAND_MAP.values());
+    Set<Class<? extends Command>> commandsWithoutCliInvokers =
+        Sets.difference(getAllCommandClasses(), commandMapClasses);
+    String errorMsg =
+        "These Command classes are missing from RegistryTool.COMMAND_MAP: "
+        + Joiner.on(", ").join(commandsWithoutCliInvokers);
+    assertWithMessage(errorMsg).that(commandsWithoutCliInvokers).isEmpty();
+  }
+
+  @Test
+  public void testThatCommandNamesAreDerivedFromClassNames() throws Exception {
+    for (Map.Entry<String, ? extends Class<? extends Command>> commandEntry :
+        RegistryTool.COMMAND_MAP.entrySet()) {
+      String className = commandEntry.getValue().getSimpleName();
+      expect.that(commandEntry.getKey())
+          // JCommander names should match the class name, up to "Command" and case formatting.
+          .isEqualTo(UPPER_CAMEL.to(LOWER_UNDERSCORE, className.replaceFirst("Command$", "")));
+    }
+  }
+
+  /**
+   * Gets the set of all non-abstract classes implementing the {@link Command} interface (abstract
+   * class and interface subtypes of Command aren't expected to have cli commands). Note that this
+   * also filters out HelpCommand, which has special handling in {@link RegistryCli} and isn't in
+   * the command map.
+   *
+   * @throws IOException if reading the classpath resources fails.
+   */
+  @SuppressWarnings("unchecked")
+  private ImmutableSet<Class<? extends Command>> getAllCommandClasses() throws IOException {
+    ImmutableSet.Builder<Class<? extends Command>> builder = new ImmutableSet.Builder<>();
+    for (ClassInfo classInfo : ClassPath
+        .from(getClass().getClassLoader())
+        .getTopLevelClasses(getPackageName(getClass()))) {
+      Class<?> clazz = classInfo.load();
+      if (Command.class.isAssignableFrom(clazz)
+          && !Modifier.isAbstract(clazz.getModifiers())
+          && !Modifier.isInterface(clazz.getModifiers())
+          && !clazz.equals(HelpCommand.class)) {
+        builder.add((Class<? extends Command>) clazz);
+      }
+    }
+    return builder.build();
+  }
+}