From cee18996e8719843bb433b83d03bf9275f832650 Mon Sep 17 00:00:00 2001
From: Bappadala Rohith Kumar Naidu
 <198095685+rohitkumarnaidu@users.noreply.github.com>
Date: Mon, 27 Jul 2026 21:06:19 +0530
Subject: [PATCH 1/2] feat: add proper pytest unit tests for utils

---
 requirements-dev.txt |  1 +
 tests/test_utils.py  | 29 +++++++++++++++++++++++++++++
 2 files changed, 30 insertions(+)
 create mode 100644 requirements-dev.txt
 create mode 100644 tests/test_utils.py

diff --git a/requirements-dev.txt b/requirements-dev.txt
new file mode 100644
index 0000000..c75731e
--- /dev/null
+++ b/requirements-dev.txt
@@ -0,0 +1 @@
+pytest==8.2.2
diff --git a/tests/test_utils.py b/tests/test_utils.py
new file mode 100644
index 0000000..059ec67
--- /dev/null
+++ b/tests/test_utils.py
@@ -0,0 +1,29 @@
+import pytest
+from utils import calculate_average, find_max, normalize, parse_int_list
+
+def test_calculate_average():
+    assert calculate_average([1, 2, 3]) == 2.0
+    assert calculate_average([10, 20]) == 15.0
+    with pytest.raises(ValueError, match="Cannot calculate average of an empty list"):
+        calculate_average([])
+
+def test_find_max():
+    assert find_max([1, 5, 3]) == 5
+    assert find_max([-10, -5, -20]) == -5
+    with pytest.raises(ValueError, match="Cannot find max of an empty list"):
+        find_max([])
+
+def test_normalize():
+    assert normalize([0, 5, 10]) == [0.0, 0.5, 1.0]
+    with pytest.raises(ValueError, match="Cannot normalize an empty list"):
+        normalize([])
+    with pytest.raises(ValueError, match="Cannot normalize a constant list"):
+        normalize([5, 5, 5])
+
+def test_parse_int_list():
+    assert parse_int_list("1, 2, 3") == [1, 2, 3]
+    assert parse_int_list("10") == [10]
+    with pytest.raises(ValueError, match="Input string is empty"):
+        parse_int_list("")
+    with pytest.raises(ValueError, match="invalid integer"):
+        parse_int_list("1, a, 3")

From bae4d4df3a561d66dda66d5612b03c1e285630da Mon Sep 17 00:00:00 2001
From: Bappadala Rohith Kumar Naidu
 <198095685+rohitkumarnaidu@users.noreply.github.com>
Date: Mon, 27 Jul 2026 22:35:02 +0530
Subject: [PATCH 2/2] fix: resolve new CodeRabbit review feedback for unit
 tests

---
 __pycache__/utils.cpython-314.pyc | Bin 2032 -> 2051 bytes
 requirements-dev.txt              |   2 +-
 tests/test_utils.py               |   2 ++
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/__pycache__/utils.cpython-314.pyc b/__pycache__/utils.cpython-314.pyc
index eef8ec81b5dce662b1d67a0a579e70c4cb9b82e2..2e9186ae213d7170fdce5be0b19064f3e8c57916 100644
GIT binary patch
delta 55
zcmeys-z>nR&Bx2d00d6r=~)|jDj8)oT&!aJ3sUnGg7Zs@l2c<`b4rWzlVgff3-Sv#
J_c1210RWAf5QG2#

delta 36
qcmZn`_`uJj&Bx2d00f8cJ;~h2Q_09F>S7fWlv<D<uz4Y45*q-x)e5fw

diff --git a/requirements-dev.txt b/requirements-dev.txt
index c75731e..e144ed0 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1 +1 @@
-pytest==8.2.2
+pytest>=8.0.0
diff --git a/tests/test_utils.py b/tests/test_utils.py
index 059ec67..13eb99f 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -25,5 +25,7 @@ def test_parse_int_list():
     assert parse_int_list("10") == [10]
     with pytest.raises(ValueError, match="Input string is empty"):
         parse_int_list("")
+    with pytest.raises(ValueError, match="Input string is empty"):
+        parse_int_list("   ")
     with pytest.raises(ValueError, match="invalid integer"):
         parse_int_list("1, a, 3")