add test cases

testing_project/test_logistic.py

@@ -1,5 +1,6 @@
 from numpy.testing import assert_allclose
-
+from numpy import isclose
+import pytest
 from logistic import f
 
 
@@ -18,11 +19,25 @@ def test_f_corner_cases():
 # x=0.1, r=2.2 => f(x, r)=0.198
 # x=0.2, r=3.4 => f(x, r)=0.544
 # x=0.5, r=2   => f(x, r)=0.5
+def test_f_generic_cases():
+    cases = [
+        (0.1, 2.2, 0.198),
+        (0.2, 3.4, 0.544),
+        (0.5, 2, 0.5),
+    ]
+    for x, r, expected in cases:
+        result = f(x, r)
+        assert_allclose(result, expected)
 
 
 # Hands on 2:
 # parametrize the above test using @pytest.mark.parametrize
 
+@pytest.mark.parametrize('x, r, expected', ([0.1, 2.2, 0.198],[0.2, 3.4, 0.544],[0.5, 2, 0.5]))
+def test_f_parametrize(x, r, expected):
+    result = f(x, r)
+    isclose(result, expected)
+
 
 # Hands on 3
 # Implement a function iterate_f that runs f for it iterations. Write tests for the following cases: