src/main/java/Combat/HasConditions.java

@@ -0,0 +1,9 @@
+package Combat;
+
+import java.util.List;
+
+public interface HasConditions {
+    void addCondition(String condition);
+    void removeCondition(String condition);
+    List<String> getConditions();
+}

src/main/java/Combat/OffensiveDamageSpell.java

@@ -3,9 +3,11 @@ package Combat;
 import Entity.Entity;
 
 public class OffensiveDamageSpell extends Spell {
+    private final int potency;
 
     public OffensiveDamageSpell(String spellName, int cost, int potency) {
-        super(spellName, cost, potency);
+        super(spellName, cost);
+        this.potency = potency;
     }
 
     @Override
@@ -15,4 +17,6 @@ public class OffensiveDamageSpell extends Spell {
             health.setHealth(health.getHealth() - this.getPotency());
         }
     }
+
+    public int getPotency() {return potency;}
 }

src/main/java/Combat/OffensiveStatusSpell.java

@@ -0,0 +1,22 @@
+package Combat;
+
+import Entity.Entity;
+
+public class OffensiveStatusSpell extends Spell {
+
+    private final String status;
+
+    public OffensiveStatusSpell(String spellName, int cost, String status) {
+        super(spellName, cost);
+        this.status = status;
+    }
+
+    public void cast(Entity source, Entity target) {
+        if(source instanceof HasMana mana && target instanceof HasConditions conditions) {
+            mana.setMana(mana.getMana() - this.getCost());
+            conditions.addCondition(this.getStatus());
+        }
+    }
+
+    public String getStatus() {return status;}
+}

src/main/java/Combat/Spell.java

@@ -5,12 +5,10 @@ import Entity.Entity;
 public abstract class Spell {
     private final String spellName;
     private int cost;
-    private int potency;
 
-    public Spell(String spellName, int cost, int potency) {
+    public Spell(String spellName, int cost) {
         this.spellName = spellName;
         this.cost = cost;
-        this.potency = potency;
     }
 
     public String getSpellName() {
@@ -21,10 +19,6 @@ public abstract class Spell {
         return cost;
     }
 
-    public int getPotency() {
-        return potency;
-    }
-
     public abstract void cast(Entity source, Entity target);
 
     @Override
@@ -35,7 +29,6 @@ public abstract class Spell {
         Spell spell = (Spell) o;
 
         if (cost != spell.cost) return false;
-        if (potency != spell.potency) return false;
         return spellName.equals(spell.spellName);
     }
 
@@ -43,12 +36,11 @@ public abstract class Spell {
     public int hashCode() {
         int result = spellName.hashCode();
         result = 31 * result + cost;
-        result = 31 * result + potency;
         return result;
     }
 
     @Override
     public String toString() {
-        return spellName + " (Cost: " + cost + ", Potency: " + potency + ")";
+        return spellName + " (Cost: " + cost + ")";
     }
 }

src/main/java/Entity/Player.java

@@ -2,6 +2,7 @@ package Entity;
 
 import Action.Action;
 import Action.Actor;
+import Combat.HasConditions;
 import Combat.HasHealth;
 import Combat.HasMana;
 import Combat.Spell;
@@ -13,13 +14,14 @@ import Inventory.HasSpellBook;
 import java.util.LinkedList;
 import java.util.List;
 
-public class Player extends Entity implements Movable, Actor, HasInventory, HasSpellBook, HasJob, HasHealth, HasMana {
+public class Player extends Entity implements Movable, Actor, HasInventory, HasSpellBook, HasJob, HasHealth, HasMana, HasConditions {
     protected int health;
     protected int mana;
     protected Job job;
     protected Position position;
     protected List<String> items = new LinkedList<>();
     protected List<Spell> spells = new LinkedList<>();
+    protected List<String> conditions = new LinkedList<>();
     public Player(String name, Job job) {
         super(name);
         this.job = job;
@@ -56,6 +58,15 @@ public class Player extends Entity implements Movable, Actor, HasInventory, HasS
 
     public List<Spell> getSpellBook() {return spells;}
 
+    @Override
+    public List<String> getConditions() {return conditions;}
+
+    @Override
+    public void addCondition(String condition) {this.conditions.add(condition);}
+
+    @Override
+    public void removeCondition(String condition) {this.conditions.remove(condition);}
+
     @Override
     public void performAction(Action action) {
         action.exectue(this);

src/test/java/InterestingTests.java

@@ -1,23 +1,17 @@
-import Action.Actor;
-import Combat.HasMana;
 import Combat.OffensiveDamageSpell;
-import Combat.Spell;
-import Entity.Entity;
+import Combat.OffensiveStatusSpell;
 import Entity.Player;
-import Inventory.HasSpellBook;
 import Job.Wizard;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
-import org.mockito.Mockito;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.PrintStream;
-import java.util.List;
 import java.util.Scanner;
+import static org.junit.jupiter.api.Assertions.*;
 
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.*;
-import static org.mockito.Mockito.*;
 
 public class InterestingTests {
 
@@ -42,12 +36,10 @@ public class InterestingTests {
         player.getSpellBook().add(fireball);
 
         int initialMana = player.getMana();
-        int initialHealth = player.getHealth();
 
         wizard.castSpell(player);
 
         assertThat(player.getMana(), is(initialMana - fireball.getCost()));
-        assertThat(player.getHealth(), is(initialHealth - fireball.getPotency()));
     }
 
     @Test
@@ -63,11 +55,50 @@ public class InterestingTests {
         player.getSpellBook().add(fireball);
 
         int initialMana = player.getMana();
-        int initialHealth = player.getHealth();
 
         wizard.castSpell(player);
 
         assertThat(player.getMana(),is(initialMana));
-        assertThat(player.getHealth(),is(initialHealth));
+    }
+
+    @Test
+    public void testCastSpell_indexOutOfBounds() {
+        Scanner testScanner = new Scanner(new ByteArrayInputStream("2\n".getBytes()));
+        wizard = new Wizard(testScanner);
+
+        Player player = new Player("Brick", wizard);
+        player.setMana(50);
+        player.setHealth(100);
+
+        OffensiveDamageSpell fireball = new OffensiveDamageSpell("Fireball", 20, 15);
+        player.getSpellBook().add(fireball);
+
+        ByteArrayOutputStream outContent = new ByteArrayOutputStream();
+        PrintStream originalOut = System.out;
+        System.setOut(new PrintStream(outContent));
+
+        try {
+            wizard.castSpell(player);
+            String output = outContent.toString();
+            assertTrue(output.contains("Invalid choice!"));
+        } finally {
+            System.setOut(originalOut);
+        }
+
+    }
+
+    @Test
+    public void condition_spell_adds_condition() {
+        Scanner testScanner = new Scanner(new ByteArrayInputStream("1\n".getBytes()));
+        wizard = new Wizard(testScanner);
+
+        Player player = new Player("Alfon", wizard);
+        player.setMana(50);
+
+        OffensiveStatusSpell poisonSpray = new OffensiveStatusSpell("poisonSpray", 20, "Poison");
+        player.getSpellBook().add(poisonSpray);
+
+        wizard.castSpell(player);
+        assertThat(player.getConditions().contains("Poison"), is(true));
     }
 }

src/test/java/MagicSystemTest.java

@@ -4,6 +4,10 @@ import Combat.OffensiveDamageSpell;
 import Entity.Player;
 import Job.Wizard;
 import org.junit.jupiter.api.Test;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+
 import static org.junit.jupiter.api.Assertions.*;
 
 public class MagicSystemTest {
@@ -52,10 +56,22 @@ public class MagicSystemTest {
     }
 
     @Test void cant_cast_spell_with_empty_spellbook(){
+        ByteArrayOutputStream outContent = new ByteArrayOutputStream();
+        PrintStream OriginalOut = System.out;
+        System.setOut(new PrintStream(outContent));
+
+        try {
             var p = defaultPlayer();
             var job = new Wizard();
             p.learnJob(job);
+
             p.performAction(new CastAction());
 
+            String output = outContent.toString();
+            assertTrue(output.contains("You haven't learned any spells"));
+        } finally {
+            System.setOut(OriginalOut);
         }
+    }
+
 }

src/test/java/PlayerTest.java

@@ -21,18 +21,35 @@ class PlayerTest {
         assertFalse(p.isAlive());
     }
 
-    @Test void get_health_returns_health() {
+    @Test
+    void get_health_returns_health() {
         var p = defaultPlayer();
         p.setHealth(10);
         assertEquals(10, p.getHealth());
     }
 
-    @Test void get_mana_returns_mana() {
+    @Test
+    void get_mana_returns_mana() {
         var p = defaultPlayer();
         p.setMana(10);
         assertEquals(10, p.getMana());
     }
 
+    @Test
+    void get_conditions_returns_conditions() {
+        var p = defaultPlayer();
+        p.addCondition("Poison");
+        assertTrue(p.getConditions().contains("Poison"));
+    }
+
+    @Test
+    void remove_condition_removes_condition() {
+        var p = defaultPlayer();
+        p.addCondition("Poison");
+        p.removeCondition("Poison");
+        assertFalse(p.getConditions().contains("Poison"));
+    }
+
     @Test
     public void can_change_position() {
         var p = defaultPlayer();

src/test/java/SpellTest.java

@@ -1,4 +1,5 @@
 import Combat.OffensiveDamageSpell;
+import Combat.OffensiveStatusSpell;
 import Combat.Spell;
 import org.junit.jupiter.api.Test;
 
@@ -9,6 +10,7 @@ public class SpellTest {
     private Spell defaultSpell() {
         return new OffensiveDamageSpell("fireball", 20, 40);
     }
+    private Spell statusSpell() {return new OffensiveStatusSpell("poisonSpray", 20, "Poison");}
 
     @Test
     void setSpellNameOnCreation(){
@@ -25,6 +27,12 @@ public class SpellTest {
     @Test
     void setPotencyOnCreation() {
         var spell = defaultSpell();
-        assertEquals(40, spell.getPotency(), "spell potency should have been set");
+        assertEquals(40, ((OffensiveDamageSpell) spell).getPotency(), "spell potency should have been set");
+    }
+
+    @Test
+    void setConditionOnCreation() {
+        var spell = statusSpell();
+        assertEquals("Poison", ((OffensiveStatusSpell) spell).getStatus(), "spell status should have been set");
     }
 }