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[REFACTOR] [Hacker Rank] Interview Preparation Kit: Arrays: Left Rota… #668

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merged 1 commit into from
Mar 3, 2025
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[REFACTOR] [Hacker Rank] Interview Preparation Kit: Arrays: Left Rota… #668

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13 changes: 8 additions & 5 deletions src/hackerrank/interview_preparation_kit/arrays/ctci_array_left_rotation.testcases.json
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Original file line number Diff line number Diff line change
@@ -1,7 +1,10 @@
[
{"input": [1, 2, 3, 4, 5], "expected": [2, 3, 4, 5, 1]},
{"input": [2, 3, 4, 5, 1], "expected": [3, 4, 5, 1, 2]},
{"input": [3, 4, 5, 1, 2], "expected": [4, 5, 1, 2, 3]},
{"input": [4, 5, 1, 2, 3], "expected": [5, 1, 2, 3, 4]},
{"input": [5, 1, 2, 3, 4], "expected": [1, 2, 3, 4, 5]}
{"title": "Own 0", "input": [1, 2, 3, 4, 5], "d_rotations": 1, "expected": [2, 3, 4, 5, 1]},
{"title": "Own 1", "input": [2, 3, 4, 5, 1], "d_rotations": 1, "expected": [3, 4, 5, 1, 2]},
{"title": "Own 2", "input": [3, 4, 5, 1, 2], "d_rotations": 1, "expected": [4, 5, 1, 2, 3]},
{"title": "Own 3", "input": [4, 5, 1, 2, 3], "d_rotations": 1, "expected": [5, 1, 2, 3, 4]},
{"title": "Own 4", "input": [5, 1, 2, 3, 4], "d_rotations": 1, "expected": [1, 2, 3, 4, 5]},
{"title": "Sample Test case 0", "input": [1, 2, 3, 4, 5], "d_rotations": 4, "expected": [5, 1, 2, 3, 4]},
{"title": "Sample Test case 1", "input": [41, 73, 89, 7, 10, 1, 59, 58, 84, 77, 77, 97, 58, 1, 86, 58, 26, 10, 86, 51], "d_rotations": 10, "expected": [77, 97, 58, 1, 86, 58, 26, 10, 86, 51, 41, 73, 89, 7, 10, 1, 59, 58, 84, 77]},
{"title": "Sample Test case 2", "input": [33, 47, 70, 37, 8, 53, 13, 93, 71, 72, 51, 100, 60, 87, 97], "d_rotations": 13, "expected": [87, 97, 33, 47, 70, 37, 8, 53, 13, 93, 71, 72, 51, 100, 60]}
]
20 changes: 4 additions & 16 deletions src/hackerrank/interview_preparation_kit/arrays/ctci_array_left_rotation_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
from pathlib import Path

from ....lib.loader import loadTestCases
from .ctci_array_left_rotation import rotLeft, rotLeftOne
from .ctci_array_left_rotation import rotLeft

FILE_PATH = str(Path(__file__).resolve().parent)

Expand All @@ -12,23 +12,11 @@

class TestArrayLeftRotation(unittest.TestCase):

def test_rot_left_one(self):
for _, _tt in enumerate(TEST_CASES):

self.assertEqual(
rotLeftOne(_tt['input']), _tt['expected'],
f"{_} | rotLeftOne({_tt['input']}) must be "
f"=> {_tt['expected']}")

def test_rot_left(self):

tests = [
{'input': [1, 2, 3, 4, 5], 'd': 4, 'expected': [5, 1, 2, 3, 4]},
]

for _, _tt in enumerate(tests):
for _, _tt in enumerate(TEST_CASES):

self.assertEqual(
rotLeft(_tt['input'], _tt['d']), _tt['expected'],
f"{_} | rotLeft({_tt['input']}) must be "
rotLeft(_tt['input'], _tt['d_rotations']), _tt['expected'],
f"{_} | rotLeft({_tt['input'], _tt['d_rotations']}) must be "
f"=> {_tt['expected']}")