27 lines
639 B
Python
27 lines
639 B
Python
from caesar_cipher import encrypt
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from caesar_cipher.env import load_env
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def test_encrypt_basic():
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assert encrypt("hello", 5) == "mjqqt"
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def test_wraps_around_alphabet():
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assert encrypt("xyz", 3) == "abc"
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assert encrypt("abc", 29) == "def"
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def test_non_letters_and_case_preserved():
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assert encrypt("Hi there, 42!", 1) == "Ij uifsf, 42!"
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def test_negative_shift():
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assert encrypt("def", -3) == "abc"
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def test_load_env(tmp_path):
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f = tmp_path / ".env"
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f.write_text("# c\nA=1\nB='two'\n", encoding="utf-8")
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assert load_env(f) == {"A": "1", "B": "two"}
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assert load_env(tmp_path / "missing") == {}
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