init comit

pytest/test_test.py

@@ -0,0 +1,50 @@
+import pytest 
+
+# Thanks to https://pydevtools.com/handbook/tutorial/setting-up-testing-with-pytest-and-uv/ 
+# for the guide
+
+def add(a, b):
+    return a + b
+
+
+def subtract(a, b):
+    return a - b
+
+
+def multiply(a, b):
+    return a * b
+
+
+def divide(a, b):
+    if b == 0:
+        raise ValueError("Cannot divide by zero")
+    return a / b
+
+
+def test_add():
+    assert add(1, 2) == 3
+    assert add(-1, 1) == 0
+    assert add(-1, -1) == -2
+
+
+def test_subtract():
+    assert subtract(3, 2) == 1
+    assert subtract(2, 3) == -1
+    assert subtract(0, 0) == 0
+
+
+def test_multiply():
+    assert multiply(2, 3) == 6
+    assert multiply(-2, 3) == -6
+    assert multiply(-2, -3) == 6
+
+
+def test_divide():
+    assert divide(6, 3) == 2
+    assert divide(6, -3) == -2
+    assert divide(-6, -3) == 2
+
+
+def test_divide_by_zero():
+    with pytest.raises(ValueError):
+        divide(5, 0)