Fix rankup gui

src/main/java/sh/okx/rankup/gui/Gui.java

@@ -52,7 +52,8 @@ public class Gui implements InventoryHolder {
       return null;
     }
 
-    ItemStack[] items = new ItemStack[config.getInt("rows", 1) * 9];
+    Integer rows = Gui.getInt(config, "rows");
+    ItemStack[] items = new ItemStack[(rows == null ? 1 : rows) * 9];
 
     ItemStack fill = getItem(plugin, plugin.getSection(oldRank, basePath + ".fill"), player,
         oldRank, rank);
@@ -167,6 +168,19 @@ public class Gui implements InventoryHolder {
     }
   }
 
+  public static Integer getInt(ConfigurationSection section, String key) {
+    String string = section.getString(key);
+    if (string == null) {
+      return null;
+    } else {
+      try {
+        return Integer.parseInt(string);
+      } catch (IllegalArgumentException ex) {
+        return null;
+      }
+    }
+  }
+
   public void open(Player player) {
     player.openInventory(inventory);
   }

src/main/java/sh/okx/rankup/ranksgui/RanksGui.java

@@ -35,9 +35,9 @@ public class RanksGui {
         ConfigurationSection basePath = plugin.getMessages().getConfigurationSection("rankup.ranksgui");
 
         String title = get(ConfigurationSection::getString, "title", playerPath, basePath, "Ranks");
-        int rows = get(this::getInt, "rows", playerPath, basePath, 3);
+        int rows = get(Gui::getInt, "rows", playerPath, basePath, 3);
-        int offset = get(this::getInt, "offset", playerPath, basePath, 10);
+        int offset = get(Gui::getInt, "offset", playerPath, basePath, 10);
-        int width = get(this::getInt, "width", playerPath, basePath, 7);
+        int width = get(Gui::getInt, "width", playerPath, basePath, 7);
 
         inventory = Bukkit.createInventory(null, rows * 9, Colour.translate(title));
 
@@ -87,18 +87,6 @@ public class RanksGui {
         player.openInventory(inventory);
     }
 
-    private Integer getInt(ConfigurationSection section, String key) {
-        String string = section.getString(key);
-        if (string == null) {
-            return null;
-        } else {
-            try {
-                return Integer.parseInt(string);
-            } catch (IllegalArgumentException ex) {
-                return null;
-            }
-        }
-    }
 
     private <T> T get(BiFunction<ConfigurationSection, String, T> fun, String path, ConfigurationSection primary, ConfigurationSection secondary, T def) {
         T get = null;

src/test/java/sh/okx/rankup/RankupTest.java

@@ -10,6 +10,7 @@ import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.SimpleFileVisitor;
 import java.nio.file.attribute.BasicFileAttributes;
+import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import sh.okx.rankup.providers.TestEconomyProvider;
 import sh.okx.rankup.hook.GroupProvider;
@@ -76,7 +77,7 @@ public abstract class RankupTest {
         }
     }
 
-    @BeforeEach
+    @AfterEach
     public void tearDown() {
         MockBukkit.unmock();
         System.clearProperty("RANKUP_TEST");