Add pytest number guessing game

challenges/intermediate/number-guessing-game/tests/test_number_guessing_game.py

@@ -0,0 +1,79 @@
+import sys
+import os
+
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), "../solutions"))
+
+from sehmaluva_number_guessing_game import NumberGuessingGame
+
+
+def get_game():
+    """Helper to create fresh game instance for testing."""
+    return NumberGuessingGame()
+
+
+def test_calculate_score_easy_first_attempt():
+    """Test score calculation for easy difficulty on first attempt.
+    On the first attempt, the base score (1000) is not reduced
+    and the easy multiplier is 1 so the score should be 1000.
+
+    """
+    game = get_game()
+    easy_difficulty = game.difficulties[1]
+    score = game.calculate_score(attempts=1, difficulty=easy_difficulty)
+    assert score == 1000
+
+
+def test_calculate_score_decreases_with_attempts():
+    """Test that score decreases as attempts increase."""
+    game = get_game()
+    difficulty = game.difficulties[1]  #Easy
+    score_1 = game.calculate_score(attempts=1, difficulty=difficulty)
+    score_2 = game.calculate_score(attempts=2, difficulty=difficulty)
+    assert score_2 < score_1
+
+
+def test_calculate_score_hard_multiplier():
+    """Test that hard difficulty applies higher multiplier."""
+    game = get_game()
+    easy = game.difficulties[1]
+    hard = game.difficulties[3]
+    #Compare scores for the same number of attempts
+    # Hard should give more points because of the higher multiplier
+    easy_score = game.calculate_score(attempts=1, difficulty=easy)
+    hard_score = game.calculate_score(attempts=1, difficulty=hard)
+    assert hard_score > easy_score
+
+
+def test_provide_feedback_too_low():
+    """Test feedback when guess is lower than secret number."""
+    game = get_game()
+    difficulty = game.difficulties[1]  # Easy
+    feedback = game.provide_feedback(guess=10, secret=50, difficulty=difficulty)
+    assert "Too low" in feedback
+
+
+def test_provide_feedback_too_high():
+    """Test feedback when guess is higher than secret number."""
+    game = get_game()
+    difficulty = game.difficulties[1]  #Easy
+    feedback = game.provide_feedback(guess=80, secret=50, difficulty=difficulty)
+    assert "Too high" in feedback
+
+
+def test_provide_feedback_correct():
+    """Test feedback when guess matches the secret number."""
+    game = get_game()
+    difficulty = game.difficulties[1]  #Easy
+    feedback = game.provide_feedback(guess=50, secret=50, difficulty=difficulty)
+    assert "CORRECT" in feedback
+
+
+def test_generate_secret_number_within_range():
+    """Test that the generated secret number is within the difficulty range."""
+    game = get_game()
+    difficulty = game.difficulties[2]  #Medium
+    secret = game.generate_secret_number(difficulty)
+    min_val = difficulty["range"][0]
+    max_val = difficulty["range"][1]
+    assert secret >= min_val
+    assert secret <= max_val