Started a test unit for AboutCommand

src/main/java/world/bentobox/bentobox/commands/AboutCommand.java

@@ -6,11 +6,15 @@ import world.bentobox.bentobox.BentoBox;
 import world.bentobox.bentobox.api.commands.CompositeCommand;
 import world.bentobox.bentobox.api.user.User;
 
+/**
+ * Displays generic information about BentoBox such as version and license.
+ * @author tastybento
+ */
 public class AboutCommand extends CompositeCommand {
 
     /**
      * About
-     * @param parent - parent command
+     * @param parent parent CompositeCommand
      */
     public AboutCommand(CompositeCommand parent) {
         super(parent, "about");

src/test/java/world/bentobox/bentobox/api/commands/island/IslandGoCommandTest.java

@@ -52,7 +52,6 @@ public class IslandGoCommandTest {
     private IslandsManager im;
     private Island island;
 
-
     /**
      * @throws java.lang.Exception
      */

src/test/java/world/bentobox/bentobox/commands/AboutCommandTest.java

@@ -0,0 +1,72 @@
+package world.bentobox.bentobox.commands;
+
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+import org.bukkit.plugin.PluginDescriptionFile;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mockito;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
+import org.powermock.reflect.Whitebox;
+import world.bentobox.bentobox.BentoBox;
+import world.bentobox.bentobox.Settings;
+import world.bentobox.bentobox.api.commands.CompositeCommand;
+import world.bentobox.bentobox.api.user.User;
+import world.bentobox.bentobox.managers.CommandsManager;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.UUID;
+
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+@RunWith(PowerMockRunner.class)
+@PrepareForTest({Bukkit.class, BentoBox.class})
+public class AboutCommandTest {
+
+    private User user;
+    private CompositeCommand parent;
+
+    /**
+     * @throws java.lang.Exception
+     */
+    @Before
+    public void setUp() throws Exception {
+        // Set up plugin
+        BentoBox plugin = mock(BentoBox.class);
+        Whitebox.setInternalState(BentoBox.class, "instance", plugin);
+
+        // Command manager
+        CommandsManager cm = mock(CommandsManager.class);
+        when(plugin.getCommandsManager()).thenReturn(cm);
+
+        // Player
+        Player player = mock(Player.class);
+        // Sometimes use: Mockito.withSettings().verboseLogging()
+        user = mock(User.class);
+        when(user.isOp()).thenReturn(false);
+        UUID uuid = UUID.randomUUID();
+        when(user.getUniqueId()).thenReturn(uuid);
+        when(user.getPlayer()).thenReturn(player);
+        User.setPlugin(plugin);
+        // Set up user already
+        User.getInstance(player);
+
+        // Parent command has no aliases
+        parent = mock(CompositeCommand.class);
+        when(parent.getSubCommandAliases()).thenReturn(new HashMap<>());
+    }
+
+    // FIXME how to avoid NPE with getDescription() ?
+    /* @Test
+    public void testExecute() {
+        AboutCommand ac = new AboutCommand(parent);
+        assertTrue(ac.execute(user, ac.getLabel(), new ArrayList<>()));
+        Mockito.verify(user).sendRawMessage("Copyright (c) 2017 - 2018 Tastybento, Poslovitch");
+        Mockito.verify(user).sendRawMessage("See https://www.eclipse.org/legal/epl-2.0/ for license information.");
+    } */
+}