important

code/C-100000.csv

@@ -99997,4 +99997,4 @@
 110484 = 2 * 2 * 3 * 3 * 3 * 3 * 11 * 31
 110485 = 5 * 19 * 1163
 110486 = 2 * 55243
-110487 = 3 * 13 * 2833
+110487 = 3 * 13 * 2833

code/conftest.py

@@ -24,15 +24,6 @@ def pytest_configure(config):
     pytest.composites = int(config.getoption("--composites"))
 
 
-@pytest.fixture
-def primes_obtained():
-    return set(sieve_of_eratosthenes(pytest.primes + 1))
-
-
-@pytest.fixture
-def composites_obtained():
-    return set(sieve_of_eratosthenes(pytest.composites + 1))
-
 def pytest_generate_tests(metafunc):
     df_prime = pd.read_csv("P-100000.csv", header=None)
     df_prime = df_prime[df_prime.iloc[:, 1] <  pytest.primes]
@@ -45,7 +36,6 @@ def pytest_generate_tests(metafunc):
         metafunc.parametrize('prime', primes)
         metafunc.parametrize('primes_obtained', [sieve_of_eratosthenes(max(primes) + 1),])
 
-    if metafunc.function.__name__ == 'test_negatives':
+    if metafunc.function.__name__ == 'test_composites':
         metafunc.parametrize('composite', composites)
-        
         metafunc.parametrize('primes_obtained', [sieve_of_eratosthenes(max(composites) + 1),])

code/project.py

@@ -10,6 +10,8 @@ def sieve_of_eratosthenes(num: int) -> list[int]:
     Returns:
         list[int]: List of prime numbers
     """
+    if num <= 0:
+        raise ValueError("Number should not be negative.")
     # boolean list to store if a number is prime or not
     prime = [True] * (num+1)
     p = 2 # starting prime number
@@ -41,8 +43,5 @@ def print_sieve(num: int) -> None:
 # Driver code
 if __name__ == '__main__':
     num = int(input("Enter a number: "))
-    while num < 2:
-        print("Limit smaller than 2, pick another number")
-        num = int(input("Enter a number: "))
     print(f"Following are the prime numbers smaller than or equal to {num}")
     print_sieve(num)

code/test_main.py

@@ -1,8 +1,15 @@
 import pandas as pd
+import pytest
+from .project import sieve_of_eratosthenes
 
 def test_positives(prime, primes_obtained):
     assert prime in primes_obtained
 
 
-def test_negatives(composite, primes_obtained):
-    assert composite not in primes_obtained
+def test_composites(composite, primes_obtained):
+    assert composite not in primes_obtained
+
+
+def test_negatives():
+    with pytest.raises(ValueError):
+        sieve_of_eratosthenes(-1)