diff --git a/tests/test_graph_agent.py b/tests/test_graph_agent.py
new file mode 100644
index 0000000..a739844
--- /dev/null
+++ b/tests/test_graph_agent.py
@@ -0,0 +1,121 @@
+import unittest
+from tkinter import Tk
+from unittest.mock import patch
+from traverseCraft.world import CreateGraphWorld
+from traverseCraft.agent import GraphAgent
+from traverseCraft.dataStructures import GraphNode 
+
+class TestGraphAgent(unittest.TestCase):
+    def setUp(self):
+        # Sample Graph world information
+        graphWorldInfo = {
+            'adj': {
+                'A': ['B', 'C'],
+                'B': ['D', 'E'],
+                'C': ['F'],
+                'D': [],
+                'E': ['H', 'A'],
+                'F': ['G'],
+                'G': ['H', 'C'],
+                'H': ['D', 'E']
+            },
+            'position': {
+                'A': (300, 100),
+                'B': (150, 200),
+                'C': (450, 200),
+                'D': (100, 300),
+                'E': (200, 300),
+                'F': (300, 300),
+                'G': (400, 400),
+                'H': (150, 400)
+
+            },
+            'goals': ['G']
+        }
+        # Create the Graph world
+        self.graphWorld = CreateGraphWorld("Graph World Test", graphWorldInfo)
+
+        # Construct the world
+        self.graphWorld.constructWorld()
+
+        # Initialize the Graph agent
+        self.agent = GraphAgent(agentName="Test Graph Agent", world=self.graphWorld, heatMapColor="#EF4040")
+
+        # Link the agent with the world
+        self.graphWorld.setAgent(self.agent)
+
+    def tearDown(self):
+        # Destroy the root window after each test
+        try:
+            self.graphWorld._root.destroy()
+            self.agent = None
+        except Exception as e:
+            print(f"Exception in tearDown: {e}")
+
+    def test_initialization(self):
+        # Test initialization of the Graph agent
+        self.assertEqual(self.agent._worldObj, self.graphWorld)
+        self.assertEqual(self.agent._worldID, "GRAPHWORLD")
+        self.assertEqual(self.agent._agentName, "Test Graph Agent")
+        self.assertEqual(self.agent._agentColor, "blue")
+        self.assertTrue(self.agent._heatMapView)
+        self.assertNotEqual(self.agent._heatMapColor, "#FFA732")
+        self.assertEqual(self.agent._heatGradient, 0.05)
+
+    def test_set_algorithm_callback(self):
+        # Define a sample callback function
+        def sample_callback():
+            pass
+
+        # Set the callback function
+        self.agent.setAlgorithmCallBack(sample_callback)
+        
+        # Verify that the callback function is set
+        self.assertEqual(self.agent.algorithmCallBack, sample_callback)
+
+    def test_run_algorithm(self):
+        # Define a sample algorithm callback function
+        def sample_algorithm():
+            pass
+
+        # Set the algorithm callback function
+        self.agent.setAlgorithmCallBack(sample_algorithm)
+        
+        # Run the algorithm
+        self.agent.runAlgorithm()
+        
+        # Verify that the algorithm ran successfully (no errors raised)
+        self.assertTrue(True)
+
+    def test_check_goal_state(self):
+        goal_node = self.graphWorld.getNode("G")
+        non_goal_node = self.graphWorld.getNode("A")
+        self.assertTrue(self.agent.checkGoalState(goal_node))
+        self.assertFalse(self.agent.checkGoalState(non_goal_node))
+
+    def test_set_start_state(self):
+        self.agent.setStartState("B")
+        self.assertEqual(self.agent._currentNode.id, "B")
+        self.assertEqual(self.agent._graphRoot.id, "B")
+        self.assertEqual(self.graphWorld.root.id, "B")
+
+    def test_set_start_state_invalid(self):
+        with self.assertRaises(ValueError):
+            self.agent.setStartState("Z")  # Assuming "Z" is not a valid node ID
+    
+    def test_move_agent(self):
+        # Get pointers to nodes 'B', 'D', and 'E' using self.graphWorld.getNode()
+        node_B = self.graphWorld.getNode('B')
+        node_C = self.graphWorld.getNode('C')
+        node_D = self.graphWorld.getNode('D')
+        node_E = self.graphWorld.getNode('E')
+
+        # Move the agent
+        self.assertFalse(self.agent.moveAgent(None))  # Move to None should fail
+        self.assertTrue(self.agent.moveAgent(node_B))  # Move to node 'B' should succeed
+        self.assertTrue(self.agent.moveAgent(node_C))  # Move to node 'C' should succeed
+        self.assertTrue(self.agent.moveAgent(node_D))  # Move to node 'D' should succeed
+        self.assertTrue(self.agent.moveAgent(node_E))  # Move to node 'E' should succeed
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/tests/test_graph_world.py b/tests/test_graph_world.py
index e69de29..568ed4b 100644
--- a/tests/test_graph_world.py
+++ b/tests/test_graph_world.py
@@ -0,0 +1,248 @@
+import unittest
+from tkinter import Tk
+from unittest.mock import patch
+from traverseCraft.world import CreateGraphWorld
+from traverseCraft.dataStructures import GraphNode 
+
+class TestGraphWorld(unittest.TestCase):
+
+    def setUp(self):
+        # Sample valid Graph information
+        self.graphWorldInfo = {
+    'adj': {
+        'A': ['B', 'C'],
+        'B': ['D', 'E'],
+        'C': ['F'],
+        'D': [],
+        'E': ['H', 'A'],
+        'F': ['G'],
+        'G': ['H', 'C'],
+        'H': ['D', 'E']
+    },
+    'position': {
+        'A': (300, 100),
+        'B': (150, 200),
+        'C': (450, 200),
+        'D': (100, 300),
+        'E': (200, 300),
+        'F': (300, 300),
+        'G': (400, 400),
+        'H': (150, 400)
+
+    },
+    'goals': ['G']
+}
+
+    # def tearDown(self):
+    #     try:
+    #         self.grid_world._root.destroy()
+    #     except Exception as e:
+    #         print(f"Exception in tearDown: {e}")
+
+    def test_successful_initialization(self):
+        self.graphWorld = CreateGraphWorld("Graph World Test", self.graphWorldInfo)
+        self.assertEqual(self.graphWorld._worldName, "Graph World Test")
+        self.assertEqual(self.graphWorld._goalIds, ['G'])
+        self.assertEqual(self.graphWorld._position['A'], (300, 100))
+        self.assertEqual(self.graphWorld._nodeColor, "gray")
+        self.assertEqual(self.graphWorld._goalColor, "green")
+        self.assertEqual(self.graphWorld._fontSize, 12)
+        self.assertTrue(self.graphWorld._fontBold)
+        self.assertTrue(self.graphWorld._fontItalic)
+        self.assertEqual(self.graphWorld._lineThickness, 2)
+        self.assertEqual(self.graphWorld._arrowShape, (10, 12, 5))
+        self.assertEqual(self.graphWorld._buttonBgColor, "#7FC7D9")
+        self.assertEqual(self.graphWorld._buttonFgColor, "#332941")
+        self.assertEqual(self.graphWorld._textFont, "Helvetica")
+        self.assertEqual(self.graphWorld._textSize, 24)
+        self.assertEqual(self.graphWorld._textWeight, "bold")
+        self.assertEqual(self.graphWorld._buttonText, "Start Agent")
+        try:
+            self.graphWorld._root.destroy()
+        except Exception as e:
+            print(f"Exception in tearDown: {e}")
+        
+              
+    def test_missing_goals_key(self):
+        invalidInfo = self.graphWorldInfo.copy()
+        del invalidInfo['goals']
+        with self.assertRaises(ValueError):
+            CreateGraphWorld("Graph World Test", invalidInfo)
+
+    def test_missing_adj_key(self):
+        invalidInfo = self.graphWorldInfo.copy()
+        del invalidInfo['adj']
+        with self.assertRaises(ValueError):
+            CreateGraphWorld("Graph World Test", invalidInfo)
+
+    def test_missing_position_key(self):
+        invalidInfo = self.graphWorldInfo.copy()
+        del invalidInfo['position']
+        with self.assertRaises(ValueError):
+            CreateGraphWorld("Graph World Test", invalidInfo)
+
+    def test_default_parameters(self):
+        graphWorld = CreateGraphWorld("Graph World Test", self.graphWorldInfo)
+        self.assertEqual(graphWorld._radius, 20)
+        self.assertEqual(graphWorld._fontSize, 12)
+        self.assertEqual(graphWorld._fontBold, True)
+        self.assertEqual(graphWorld._fontItalic, True)
+        self.assertEqual(graphWorld._nodeColor, "gray")
+        self.assertEqual(graphWorld._goalColor, "green")
+        self.assertEqual(graphWorld._lineThickness, 2)
+        self.assertEqual(graphWorld._arrowShape, (10, 12, 5))
+        self.assertEqual(graphWorld._buttonBgColor, "#7FC7D9")
+        self.assertEqual(graphWorld._buttonFgColor, "#332941")
+        self.assertEqual(graphWorld._textFont, "Helvetica")
+        self.assertEqual(graphWorld._textSize, 24)
+        self.assertEqual(graphWorld._textWeight, "bold")
+        self.assertEqual(graphWorld._buttonText, "Start Agent")
+        try:
+            graphWorld._root.destroy()
+        except Exception as e:
+            print(f"Exception in tearDown: {e}")
+
+    def test_custom_parameters(self):
+        graphWorld = CreateGraphWorld(
+            "Custom Graph World", self.graphWorldInfo, radius=25, fontSize=14, fontBold=False, 
+            fontItalic=False, nodeColor="blue", goalColor="orange", 
+            width=800, height=600, lineThickness=3, arrowShape=(5, 10, 3), buttonBgColor="black", 
+            buttonFgColor="white", textFont="Arial", textSize=18, textWeight="normal", buttonText="Run"
+        )
+        self.assertEqual(graphWorld._radius, 25)
+        self.assertEqual(graphWorld._fontSize, 14)
+        self.assertEqual(graphWorld._fontBold, False)
+        self.assertEqual(graphWorld._fontItalic, False)
+        self.assertEqual(graphWorld._nodeColor, "blue")
+        self.assertEqual(graphWorld._goalColor, "orange")
+        self.assertEqual(graphWorld._width, 800)
+        self.assertEqual(graphWorld._height, 600)
+        self.assertEqual(graphWorld._lineThickness, 3)
+        self.assertEqual(graphWorld._arrowShape, (5, 10, 3))
+        self.assertEqual(graphWorld._buttonBgColor, "black")
+        self.assertEqual(graphWorld._buttonFgColor, "white")
+        self.assertEqual(graphWorld._textFont, "Arial")
+        self.assertEqual(graphWorld._textSize, 18)
+        self.assertEqual(graphWorld._textWeight, "normal")
+        self.assertEqual(graphWorld._buttonText, "Run")
+        try:
+            graphWorld._root.destroy()
+        except Exception as e:
+            print(f"Exception in tearDown: {e}")
+
+    def test_valid_graph_format(self):
+        graphWorld = CreateGraphWorld("Graph World Test", self.graphWorldInfo)
+        self.assertTrue(graphWorld._check_graph_format(self.graphWorldInfo)[0])
+        try:
+            graphWorld._root.destroy()
+        except Exception as e:
+            print(f"Exception in tearDown: {e}")
+
+    def test_missing_keys(self):
+        missing_keys = {
+            'adj': {
+                'A': ['B', 'C'],
+                'B': ['D', 'E'],
+                'C': ['F'],
+                'D': [],
+                'E': ['H'],
+                'F': ['G'],
+                'G': [],
+                'H': []
+            },
+            'position': {
+                'A': (300, 100),
+                'B': (150, 200),
+                'C': (450, 200),
+                'D': (100, 300),
+                'E': (200, 300),
+                'F': (300, 300),
+                'G': (400, 400)
+            },
+            'goals': ['G']
+        }
+        with self.assertRaises(ValueError):
+            CreateGraphWorld("Graph World Test", missing_keys)
+
+
+    def test_invalid_node_coordinates(self):
+        invalid_coords = [
+            {'adj': {'A': ['B'], 'B': ['C'], 'C': []}, 'position': {'A': (0, 0), 'B': (100, '100'), 'C': (200, 200)}, 'root': 'A', 'goals': ['C']},
+            {'adj': {'A': ['B'], 'B': ['C'], 'C': []}, 'position': {'A': (0, 0), 'B': (100,), 'C': (200, 200)}, 'root': 'A', 'goals': ['C']}
+        ]
+        for info in invalid_coords:
+            with self.assertRaises(ValueError):
+                CreateGraphWorld("Graph World Test", info)
+
+    def test_invalid_goal_nodes(self):
+        invalid_goals = [
+            {'adj': {'A': ['B'], 'B': ['C'], 'C': []}, 'position': {'A': (0, 0), 'B': (100, 100), 'C': (200, 200)}, 'root': 'A','goals': ['D']},
+            {'adj': {'A': ['B'], 'B': ['C'], 'C': []}, 'position': {'A': (0, 0), 'B': (100, 100), 'C': (200, 200)}, 'root': 'A','goals': [1]}
+        ]
+        for info in invalid_goals:
+            with self.assertRaises(ValueError):
+                CreateGraphWorld("Graph World Test", info)
+
+    def test_missing_nodes(self):
+        missing_nodes = [
+            {'adj': {'A': ['B'], 'B': ['C'], 'D': []}, 'position': {'A': (0, 0), 'B': (100, 100), 'C': (200, 200)}, 'root': 'A', 'goals': ['C']},
+            {'adj': {'A': ['B'], 'B': ['C'], 'C': []}, 'position': {'A': (0, 0), 'B': (100, 100)}, 'root': 'A', 'goals': ['C']}
+        ]
+        for info in missing_nodes:
+            with self.assertRaises(ValueError):
+                CreateGraphWorld("Graph World Test", info)
+
+    def test_node_map_pointers(self):
+        # Create the Graph world
+        graphWorld = CreateGraphWorld("Graph World Test", self.graphWorldInfo)
+
+        # Assert that all values in nodeMap are instances of GraphNode class
+        for node_id, node_obj in graphWorld.nodeMap.items():
+            self.assertIsInstance(node_obj, GraphNode)
+        
+        try:
+            graphWorld._root.destroy()
+        except Exception as e:
+            print(f"Exception in tearDown: {e}")
+        
+
+    def test_get_node(self):
+        # Create the Graph world
+        graphWorld = CreateGraphWorld("Graph World Test", self.graphWorldInfo)
+
+        # Test getNode method
+        node_A = graphWorld.getNode('A')
+        node_B = graphWorld.getNode('B')
+        node_C = graphWorld.getNode('C')
+
+        # Assert nodes are retrieved correctly
+        self.assertEqual(node_A.id, 'A')
+        self.assertEqual(node_B.id, 'B')
+        self.assertEqual(node_C.id, 'C')
+
+        try:
+            graphWorld._root.destroy()
+        except Exception as e:
+            print(f"Exception in tearDown: {e}")
+
+    @patch.object(Tk, 'mainloop', lambda self: None)
+    def test_show_world(self):
+        graphWorld = CreateGraphWorld("Graph World Test", self.graphWorldInfo)
+
+        # Test showWorld method
+        graphWorld.showWorld()
+
+        # Verify that the _root window is initialized after calling showWorld
+        self.assertIsInstance(graphWorld._root, Tk)
+
+        # Verify that the _root window is visible
+        self.assertTrue(graphWorld._root.winfo_exists())
+
+        try:
+            graphWorld._root.destroy()
+        except Exception as e:
+            print(f"Exception in tearDown: {e}")
+
+
+if __name__ == '__main__':
+    unittest.main()
\ No newline at end of file
diff --git a/tests/test_tree_agent.py b/tests/test_tree_agent.py
index 287c80f..b1a3243 100644
--- a/tests/test_tree_agent.py
+++ b/tests/test_tree_agent.py
@@ -5,11 +5,6 @@
 from traverseCraft.agent import TreeAgent
 from traverseCraft.dataStructures import TreeNode 
 
-import unittest
-import time
-from traverseCraft.world import CreateTreeWorld
-from traverseCraft.agent import TreeAgent
-
 class TestTreeAgent(unittest.TestCase):
     def setUp(self):
         # Sample tree world information
diff --git a/tests/test_tree_world.py b/tests/test_tree_world.py
index 26e1bc7..b3e556a 100644
--- a/tests/test_tree_world.py
+++ b/tests/test_tree_world.py
@@ -160,9 +160,8 @@ def test_missing_keys(self):
             'root': 'A',
             'goals': ['G']
         }
-        for info in missing_keys:
-            with self.assertRaises(ValueError):
-                CreateTreeWorld("Tree World Test", info)
+        with self.assertRaises(ValueError):
+            CreateTreeWorld("Tree World Test", missing_keys)
 
 
     def test_invalid_node_coordinates(self):
diff --git a/traverseCraft/world.py b/traverseCraft/world.py
index e76acbb..fa67c1c 100644
--- a/traverseCraft/world.py
+++ b/traverseCraft/world.py
@@ -918,7 +918,6 @@ class CreateGraphWorld:
             - fontBold (bool): Whether to use bold font for the node labels. Default is True.
             - fontItalic (bool): Whether to use italic font for the node labels. Default is True.
             - nodeColor (str): The color of the nodes. Default is "gray".
-            - rootColor (str): The color of the root node. Default is "red".
             - goalColor (str): The color of the goal nodes. Default is "green".
             - width (int): The width of the world visualization canvas. Default is SCREEN_WIDTH.
             - height (int): The height of the world visualization canvas. Default is SCREEN_HEIGHT.
@@ -954,7 +953,7 @@ class CreateGraphWorld:
             - _canvas (Canvas): The canvas object for drawing the world.
             - nodeMap (dict): Dictionary mapping node IDs to canvas objects.
             - _visited (dict): Dictionary tracking visited nodes.
-            - root: The root of the tree data structure.
+            - root: The root of the Graph data structure(used to populate the graph).
             - _agent: The agent in the world.
             - _nodeObj (dict): Dictionary mapping node IDs to node objects.
             - _nodeTextObj (dict): Dictionary mapping node IDs to node label objects.
@@ -966,7 +965,7 @@ class CreateGraphWorld:
             - _textWeight (str): The font weight of the button text.
         """
     worldID = "GRAPHWORLD"
-    def __init__(self, worldName: str, worldInfo: dict, radius: int = 20, fontSize:int=12, fontBold:bool = True, fontItalic:bool = True, nodeColor: str = "gray", rootColor: str="red", goalColor: str="green", width: int = SCREEN_WIDTH, height: int = SCREEN_HEIGHT, lineThickness: int =2, arrowShape: tuple = (10, 12, 5), buttonBgColor:str="#7FC7D9", buttonFgColor:str="#332941", textFont:str="Helvetica", textSize:int=24, textWeight:str="bold", buttonText:str="Start Agent", logoPath:str=None):
+    def __init__(self, worldName: str, worldInfo: dict, radius: int = 20, fontSize:int=12, fontBold:bool = True, fontItalic:bool = True, nodeColor: str = "gray", goalColor: str="green", width: int = SCREEN_WIDTH, height: int = SCREEN_HEIGHT, lineThickness: int =2, arrowShape: tuple = (10, 12, 5), buttonBgColor:str="#7FC7D9", buttonFgColor:str="#332941", textFont:str="Helvetica", textSize:int=24, textWeight:str="bold", buttonText:str="Start Agent", logoPath:str=None):
         
         """
         Initializes the Graph World.