44 lines
1.4 KiB
Python
44 lines
1.4 KiB
Python
# tests/test_decoding.py
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from ctf.decoding import try_decode_metadata
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# {{{ test_try_decode_metadata_hex
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def test_try_decode_metadata_hex():
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"""
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Verifies that try_decode_metadata successfully decodes standard hex string payloads.
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"""
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# Hex encoding of "picoCTF{hex_flag_hint}"
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hex_str = "7069636f4354467b6865785f666c61675f68696e747d"
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res = try_decode_metadata(hex_str)
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assert res.get("hex") == "picoCTF{hex_flag_hint}"
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# }}}
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# {{{ test_try_decode_metadata_base64
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def test_try_decode_metadata_base64():
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"""
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Verifies that try_decode_metadata successfully decodes standard base64 string payloads.
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"""
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# Base64 encoding of "flag{b64_metadata}"
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b64_str = "ZmxhZ3tiNjRfbWV0YWRhdGF9"
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res = try_decode_metadata(b64_str)
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assert res.get("base64") == "flag{b64_metadata}"
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# }}}
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# {{{ test_try_decode_metadata_non_decodable
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def test_try_decode_metadata_non_decodable():
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"""
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Verifies that try_decode_metadata returns empty results for invalid or non-printable payloads.
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"""
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# Invalid characters
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res_invalid = try_decode_metadata("invalid!characters")
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assert not res_invalid
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# Not even length for hex, not modulo 4 for base64
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res_odd = try_decode_metadata("1")
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assert not res_odd
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# Non-printable decoded content (binary raw data)
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# Hex: \x01\x02\x03\x04
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res_binary = try_decode_metadata("01020304")
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assert not res_binary
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# }}}
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