src/main/java/Spell.java

@@ -0,0 +1,18 @@
+public class Spell {
+    private final String spellName;
+    private int cost;
+    private int potency;
+
+    public Spell(String spellName, int cost, int potency) {
+        this.spellName = spellName;
+        this.cost = cost;
+        this.potency = potency;
+    }
+
+    public String getSpellName() {return spellName;}
+
+    public int getCost() {return cost;}
+
+    public int getPotency() {return potency;}
+}
+

src/test/java/SpellTest.java

@@ -0,0 +1,28 @@
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class SpellTest {
+
+    private Spell defaultSpell() {
+        return new Spell("fireball", 20, 40);
+    }
+
+    @Test
+    void setSpellNameOnCreation(){
+        var spell = defaultSpell();
+        assertEquals("fireball", spell.getSpellName(), "Spell name should be set");
+    }
+
+    @Test
+    void setCostOnCreation() {
+        var spell = defaultSpell();
+        assertEquals(20, spell.getCost(), "Spell cost should have been set");
+    }
+
+    @Test
+    void setPotencyOnCreation() {
+        var spell = defaultSpell();
+        assertEquals(40, spell.getPotency(), "spell potency should have been set");
+    }
+}