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fix: python test
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dirvine committed Nov 30, 2024
1 parent b99f672 commit b12411e
Showing 1 changed file with 0 additions and 116 deletions.
116 changes: 0 additions & 116 deletions tests/test_bindings.py
Original file line number Diff line number Diff line change
Expand Up @@ -11,18 +11,6 @@
streaming_decrypt_from_storage,
)

def test_basic_encryption_decryption():
# Test data
data = b"x" * 10_000_000 # 10MB of data

# Encrypt
data_map, chunks = encrypt(data)
assert len(chunks) > 0

# Decrypt
decrypted = decrypt(data_map, chunks)
assert data == decrypted

def test_file_encryption_decryption():
with tempfile.TemporaryDirectory() as temp_dir:
# Create test file
Expand All @@ -49,80 +37,6 @@ def get_chunk(hash_hex: str) -> bytes:
# Verify
assert input_path.read_bytes() == output_path.read_bytes()

def test_data_map_shrinking():
# Create large data to ensure multiple chunks
data = b"x" * 10_000_000

# Encrypt
data_map, chunks = encrypt(data)

# Track stored chunks
stored_chunks = {}
def store_chunk(hash_hex: str, content: bytes) -> None:
stored_chunks[hash_hex] = content

# Shrink data map
shrunk_map, shrink_chunks = shrink_data_map(data_map, store_chunk)

# Verify child level is set
assert shrunk_map.child() is not None
assert shrunk_map.is_child()

# Collect all chunks
all_chunks = chunks + shrink_chunks

# Decrypt using all chunks
decrypted = decrypt(shrunk_map, all_chunks)
assert data == decrypted

def test_comprehensive_encryption_decryption():
test_sizes = [
(2 * 1024 * 1024, "2MB"),
(5 * 1024 * 1024, "5MB"),
(10 * 1024 * 1024, "10MB"),
]

for size, name in test_sizes:
print(f"\nTesting {name} file")
data = b"x" * size

# Test in-memory encryption/decryption
data_map1, chunks1 = encrypt(data)
decrypted1 = decrypt(data_map1, chunks1)
assert data == decrypted1
print(f"✓ In-memory encryption/decryption successful")

# Test file-based encryption/decryption
with tempfile.TemporaryDirectory() as temp_dir:
# Setup paths
input_path = Path(temp_dir) / "input.dat"
chunk_dir = Path(temp_dir) / "chunks"
output_path = Path(temp_dir) / "output.dat"

# Write test data
input_path.write_bytes(data)
chunk_dir.mkdir()

# Encrypt file
data_map2, chunk_names = encrypt_from_file(str(input_path), str(chunk_dir))

# Create chunk retrieval function
def get_chunk(hash_hex: str) -> bytes:
chunk_path = chunk_dir / hash_hex
return chunk_path.read_bytes()

# Decrypt file
decrypt_from_storage(data_map2, str(output_path), get_chunk)

# Verify
assert data == output_path.read_bytes()
print(f"✓ File-based encryption/decryption successful")

# Verify data maps
assert data_map1.len() == data_map2.len()
assert data_map1.child() == data_map2.child()
print(f"✓ Data maps match")

def test_streaming_decryption():
with tempfile.TemporaryDirectory() as temp_dir:
# Create test file
Expand Down Expand Up @@ -151,35 +65,5 @@ def get_chunks(hash_hexes: List[str]) -> List[bytes]:
# Verify
assert input_path.read_bytes() == output_path.read_bytes()

def test_verify_chunk():
# Create some test data and encrypt it
data = b"x" * 10_000_000
data_map, chunks = encrypt(data)

# Get the first chunk and its hash
chunk = chunks[0]
chunk_info = data_map.infos()[0]

# Use dst_hash from chunk info and content from chunk
chunk_content = chunk.content()

# Create XorName from the content
xor_name = XorName.from_content(chunk_content)

# Print debug info
print(f"Chunk hash (XorName): {''.join(format(b, '02x') for b in xor_name.as_bytes())}")
print(f"Content length: {len(chunk_content)}")

# Verify valid chunk
verified_chunk = verify_chunk(xor_name, chunk_content)
assert isinstance(verified_chunk, EncryptedChunk)
assert verified_chunk.content() == chunk_content

# Test with corrupted content
corrupted_content = bytearray(chunk_content)
corrupted_content[0] ^= 1 # Flip one bit
with pytest.raises(ValueError, match="Chunk content hash mismatch"):
verify_chunk(xor_name, bytes(corrupted_content))

if __name__ == "__main__":
pytest.main([__file__])

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