Adds an admin schem list command and test class

Lists available schems for game mode

https://github.com/BentoBoxWorld/BentoBox/issues/563

src/main/java/world/bentobox/bentobox/api/commands/admin/schem/AdminSchemCommand.java

@@ -46,6 +46,7 @@ public class AdminSchemCommand extends ConfirmableCommand {
         new AdminSchemSaveCommand(this);
         new AdminSchemPos1Command(this);
         new AdminSchemPos2Command(this);
+        new AdminSchemListCommand(this);
     }
 
     @Override

src/main/java/world/bentobox/bentobox/api/commands/admin/schem/AdminSchemListCommand.java

@@ -0,0 +1,53 @@
+package world.bentobox.bentobox.api.commands.admin.schem;
+
+import java.io.File;
+import java.io.FilenameFilter;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+import world.bentobox.bentobox.api.commands.CompositeCommand;
+import world.bentobox.bentobox.api.user.User;
+
+public class AdminSchemListCommand extends CompositeCommand {
+
+    public AdminSchemListCommand(AdminSchemCommand parent) {
+        super(parent, "list");
+    }
+
+
+    @Override
+    public void setup() {
+        setDescription("commands.admin.schem.list.description");
+    }
+
+    @Override
+    public boolean canExecute(User user, String label, List<String> args) {
+        if (!args.isEmpty()) {
+            showHelp(this, user);
+            return false;
+        }
+        return true;
+    }
+
+
+    @Override
+    public boolean execute(User user, String label, List<String> args) {
+        File schems = new File(getAddon().getDataFolder(), "schems");
+        if (!schems.exists()) {
+            user.sendMessage("commands.admin.schem.list.no-schems");
+            return false;
+        }
+        FilenameFilter schemFilter = (File dir, String name) -> name.toLowerCase(java.util.Locale.ENGLISH).endsWith(".schem");
+        List<String> schemList = Arrays.stream(Objects.requireNonNull(schems.list(schemFilter))).map(name -> name.substring(0, name.length() - 6)).collect(Collectors.toList());
+        if (schemList.isEmpty()) {
+            user.sendMessage("commands.admin.schem.list.no-schems");
+            return false;
+        }
+        user.sendMessage("commands.admin.schem.list.available-schems");
+        schemList.forEach(user::sendRawMessage);
+        return true;
+    }
+
+}

src/main/resources/locales/en-US.yml

@@ -203,6 +203,11 @@ commands:
       load:
         parameters: "<schem name>"
         description: "load schem into the clipboard"
+      list:
+        parameters: ""
+        description: "list available schems"
+        no-schems: "&cNo schems in schems folder!"
+        available-schems: "&aThese schems are available for loading:"
       origin:
         parameters: ""
         description: "set the schem's origin to your position"

src/test/java/world/bentobox/bentobox/api/commands/admin/schem/AdminSchemListCommandTest.java

@@ -0,0 +1,190 @@
+/**
+ *
+ */
+package world.bentobox.bentobox.api.commands.admin.schem;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.HashMap;
+
+import org.bukkit.Bukkit;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+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.addons.Addon;
+import world.bentobox.bentobox.api.user.User;
+import world.bentobox.bentobox.managers.CommandsManager;
+import world.bentobox.bentobox.managers.LocalesManager;
+
+/**
+ * @author tastybento
+ *
+ */
+@RunWith(PowerMockRunner.class)
+@PrepareForTest({Bukkit.class, BentoBox.class, User.class })
+public class AdminSchemListCommandTest {
+
+    @Mock
+    private AdminSchemCommand ac;
+    @Mock
+    private Addon addon;
+    @Mock
+    private User user;
+    private AdminSchemListCommand list;
+    private File dataFolder;
+
+    /**
+     * @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);
+
+        // Settings
+        Settings s = mock(Settings.class);
+        when(s.getResetCooldown()).thenReturn(0);
+        when(plugin.getSettings()).thenReturn(s);
+
+        // Sometimes use Mockito.withSettings().verboseLogging()
+        User.setPlugin(plugin);
+
+        // Parent command has no aliases
+        when(ac.getAddon()).thenReturn(addon);
+        when(ac.getLabel()).thenReturn("schem");
+        when(ac.getSubCommandAliases()).thenReturn(new HashMap<>());
+        when(ac.getTopLabel()).thenReturn("admin");
+
+        // Locales
+        LocalesManager lm = mock(LocalesManager.class);
+        when(lm.get(Mockito.any(), Mockito.any())).thenReturn("mock translation");
+        when(plugin.getLocalesManager()).thenReturn(lm);
+
+        // Addon
+        dataFolder = new File("dataFolder");
+        dataFolder.mkdirs();
+
+        when(addon.getDataFolder()).thenReturn(dataFolder);
+        // Class
+        list = new AdminSchemListCommand(ac);
+
+
+    }
+
+    /**
+     * @throws java.lang.Exception
+     */
+    @After
+    public void tearDown() throws Exception {
+        User.clearUsers();
+        Files.walk(dataFolder.toPath())
+        .sorted(Comparator.reverseOrder())
+        .map(Path::toFile)
+        .forEach(File::delete);
+    }
+
+    /**
+     * Test method for {@link world.bentobox.bentobox.api.commands.admin.schem.AdminSchemListCommand#AdminSchemListCommand(world.bentobox.bentobox.api.commands.admin.schem.AdminSchemCommand)}.
+     */
+    @Test
+    public void testAdminSchemListCommand() {
+
+        assertEquals("list", list.getLabel());
+    }
+
+    /**
+     * Test method for {@link world.bentobox.bentobox.api.commands.admin.schem.AdminSchemListCommand#setup()}.
+     */
+    @Test
+    public void testSetup() {
+        assertEquals("commands.admin.schem.list.description", list.getDescription());
+    }
+
+    /**
+     * Test method for {@link world.bentobox.bentobox.api.commands.admin.schem.AdminSchemListCommand#canExecute(world.bentobox.bentobox.api.user.User, java.lang.String, java.util.List)}.
+     */
+    @Test
+    public void testCanExecute() {
+        assertTrue(list.canExecute(user, "", Collections.emptyList()));
+        assertFalse(list.canExecute(user, "", Collections.singletonList("extraneous")));
+    }
+
+    /**
+     * Test method for {@link world.bentobox.bentobox.api.commands.admin.schem.AdminSchemListCommand#execute(world.bentobox.bentobox.api.user.User, java.lang.String, java.util.List)}.
+     */
+    @Test
+    public void testExecuteUserStringListOfStringNoSchemsFolder() {
+        assertFalse(list.execute(user, "", Collections.emptyList()));
+        Mockito.verify(user).sendMessage("commands.admin.schem.list.no-schems");
+    }
+
+    /**
+     * Test method for {@link world.bentobox.bentobox.api.commands.admin.schem.AdminSchemListCommand#execute(world.bentobox.bentobox.api.user.User, java.lang.String, java.util.List)}.
+     */
+    @Test
+    public void testExecuteUserStringListOfStringNoSchemsFilesEmptyFolder() {
+        File schemFolder = new File(dataFolder, "schems");
+        schemFolder.mkdirs();
+        assertFalse(list.execute(user, "", Collections.emptyList()));
+        Mockito.verify(user).sendMessage("commands.admin.schem.list.no-schems");
+    }
+
+    /**
+     * Test method for {@link world.bentobox.bentobox.api.commands.admin.schem.AdminSchemListCommand#execute(world.bentobox.bentobox.api.user.User, java.lang.String, java.util.List)}.
+     * @throws IOException
+     */
+    @Test
+    public void testExecuteUserStringListOfStringNoSchemsFiles() throws IOException {
+        File schemFolder = new File(dataFolder, "schems");
+        schemFolder.mkdirs();
+        new File(schemFolder, "random.txt").createNewFile();
+        assertFalse(list.execute(user, "", Collections.emptyList()));
+        Mockito.verify(user).sendMessage("commands.admin.schem.list.no-schems");
+    }
+
+    /**
+     * Test method for {@link world.bentobox.bentobox.api.commands.admin.schem.AdminSchemListCommand#execute(world.bentobox.bentobox.api.user.User, java.lang.String, java.util.List)}.
+     * @throws IOException
+     */
+    @Test
+    public void testExecuteUserStringListOfStringWithSchemsFiles() throws IOException {
+        File schemFolder = new File(dataFolder, "schems");
+        schemFolder.mkdirs();
+        new File(schemFolder, "island.schem").createNewFile();
+        new File(schemFolder, "nether-island.schem").createNewFile();
+        new File(schemFolder, "end-island.schem").createNewFile();
+        new File(schemFolder, "random.txt").createNewFile();
+
+        assertTrue(list.execute(user, "", Collections.emptyList()));
+        Mockito.verify(user).sendMessage("commands.admin.schem.list.available-schems");
+        Mockito.verify(user).sendRawMessage("island");
+        Mockito.verify(user).sendRawMessage("nether-island");
+        Mockito.verify(user).sendRawMessage("end-island");
+        Mockito.verify(user, Mockito.times(3)).sendRawMessage(Mockito.anyString());
+    }
+
+}