src/test/java/Item/EquipmentTypeTest.java

@@ -1,13 +0,0 @@
-package Item;
-
-import org.junit.jupiter.api.Test;
-
-import static org.hamcrest.MatcherAssert.assertThat;
-import static org.hamcrest.Matchers.equalTo;
-import static org.hamcrest.Matchers.nullValue;
-import static org.junit.jupiter.api.Assertions.*;
-
-class EquipmentTypeTest {
-
-
-}

src/test/java/ItemStackTest.java

@@ -4,26 +4,37 @@ import org.junit.jupiter.api.Test;
 
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.instanceOf;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
 public class ItemStackTest {
-    @Test
-    void instantiated_with_no_quantity_throws_exception() {
-        assertThrows(IllegalArgumentException.class, () -> new ItemStack(
-                new BasicItem("id", "name", 5), 0
-        ));
+    private ItemStack defaultStack() {
+        return new ItemStack(new BasicItem("id", "name", 5), 5);
+    }
+
+    private ItemStack stackNoQty() {
+        return new ItemStack(new BasicItem("id", "name", 5), 0);
     }
     @Test
-    void instantiated_with_negative_quantity_throws_exception() {
-        assertThrows(IllegalArgumentException.class, () -> new ItemStack(
-                new BasicItem("id", "name", 5), -4
-        ));
+    void instantiated_with_no_quantity_throws_exception() {
+        assertThrows(IllegalArgumentException.class, this::stackNoQty);
     }
 
 
     @Test
     void can_be_created_with_positive_quantity() {
-        var i = new ItemStack(new BasicItem("id", "name", 5), 5);
-        assertThat(i, instanceOf(ItemStack.class));
+        assertThat(defaultStack(), instanceOf(ItemStack.class));
+    }
+
+    @Test
+    void has_default_record_method_for_item() {
+       var i = defaultStack();
+       assertThat(i.item(), instanceOf(BasicItem.class));
+    }
+
+    @Test
+    void has_default_record_method_for_quantity() {
+        var i = defaultStack();
+        assertEquals(5, i.quantity());
     }
 }

src/test/java/LootTableTest.java

@@ -42,4 +42,16 @@ public class LootTableTest {
         assertThat(result, equalTo("Iron"));
     }
 
+    @Test
+    void returns_null_if_broken_roll() {
+        LootTable<String> loot = new LootTable<>();
+        var mockRandomProvider = mock(RandomProvider.class);
+        when(mockRandomProvider.nextInt(anyInt())).thenReturn(Integer.MAX_VALUE);
+        loot.addEntry("Stone", 90);
+        loot.addEntry("Iron", 10);
+        loot.setRandomProvider(mockRandomProvider);
+        String result = loot.roll();
+        assertThat(result, is(nullValue()));
+    }
+
 }