created inventory test

created test for inventory class

tests/test_inventory.py

@@ -0,0 +1,75 @@
+import unittest
+from PyDnD.Inventory import Inventory, ItemNotInInventory, InventoryIsFull
+
+class TestInventory(unittest.TestCase):
+
+    def setUp(self):
+        """Set up a fresh inventory for each test."""
+        self.inventory = Inventory(max_size=10)
+
+    def test_add_item_single(self):
+        """Test adding a single item to the inventory."""
+        self.inventory.add_item("Healing Potion")
+        self.assertEqual(self.inventory.items, ["Healing Potion"])
+
+    def test_add_item_multiple(self):
+        """Test adding multiple items to the inventory."""
+        self.inventory.add_item("Healing Potion", quantity=3)
+        self.assertEqual(self.inventory.items, ["Healing Potion"] * 3)
+
+    def test_add_item_over_capacity(self):
+        """Test adding items beyond the inventory capacity."""
+        self.inventory.add_item("Healing Potion", quantity=8)
+        with self.assertRaises(InventoryIsFull):
+            self.inventory.add_item("Healing Potion", quantity=3)
+
+    def test_remove_item_single(self):
+        """Test removing a single item from the inventory."""
+        self.inventory.add_item("Healing Potion", quantity=3)
+        self.inventory.remove_item("Healing Potion")
+        self.assertEqual(self.inventory.items, ["Healing Potion"] * 2)
+
+    def test_remove_item_multiple(self):
+        """Test removing multiple items from the inventory."""
+        self.inventory.add_item("Healing Potion", quantity=5)
+        self.inventory.remove_item("Healing Potion", quantity=3)
+        self.assertEqual(self.inventory.items, ["Healing Potion"] * 2)
+
+    def test_remove_item_not_enough(self):
+        """Test attempting to remove more items than are present."""
+        self.inventory.add_item("Healing Potion", quantity=2)
+        with self.assertRaises(ItemNotInInventory):
+            self.inventory.remove_item("Healing Potion", quantity=3)
+
+    def test_remove_item_not_in_inventory(self):
+        """Test attempting to remove an item that doesn't exist in the inventory."""
+        with self.assertRaises(ItemNotInInventory):
+            self.inventory.remove_item("Mjolnir")
+
+    def test_inventory_is_full(self):
+        """Test that the inventory is full after adding the maximum number of items."""
+        self.inventory.add_item("Healing Potion", quantity=10)
+        self.assertTrue(self.inventory.is_full())
+
+    def test_inventory_is_not_full(self):
+        """Test that the inventory is not full before reaching capacity."""
+        self.inventory.add_item("Healing Potion", quantity=9)
+        self.assertFalse(self.inventory.is_full())
+
+    def test_add_invalid_quantity(self):
+        """Test adding an item with an invalid (non-positive) quantity."""
+        with self.assertRaises(ValueError):
+            self.inventory.add_item("Healing Potion", quantity=0)
+        with self.assertRaises(ValueError):
+            self.inventory.add_item("Healing Potion", quantity=-1)
+
+    def test_remove_invalid_quantity(self):
+        """Test removing an item with an invalid (non-positive) quantity."""
+        self.inventory.add_item("Healing Potion", quantity=5)
+        with self.assertRaises(ValueError):
+            self.inventory.remove_item("Healing Potion", quantity=0)
+        with self.assertRaises(ValueError):
+            self.inventory.remove_item("Healing Potion", quantity=-1)
+
+if __name__ == '__main__':
+    unittest.main()