Sergi Delgado Segura
4 years ago
committed by
Christian Decker
1 changed files with 106 additions and 0 deletions
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import pytest |
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import bitstring |
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from pyln.proto import zbase32 |
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not_str_bytes = [1, dict(), None, 3.4, object()] |
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messages = [b'this', b'is', b'a', b'split', b'message:', b'lightning', b'rocks'] |
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zbase32_messages = [b'qtwg1ha', b'pf3o', b'cr', b'qpaga4mw', b'pi1zgh5bc71uw', b'ptwsq4dwp3wsh3a', b'qjzsg45u'] |
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not_zbase32_messages = ['00', '[]', 'vv', '1234'] |
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def test_message_to_bitarray(): |
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# This is an internal function and the input is supposed to be bytes. Not testing unexpected inputs. |
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dummy_messages = [b'a' * i for i in range(1, 6)] |
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for message in dummy_messages: |
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not_padded_barr = bitstring.Bits(message) |
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barr = zbase32._message_to_bitarray(message) |
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assert isinstance(barr, bitstring.ConstBitStream) |
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for i in range(len(barr)): |
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# Then first len(not_padded_barr) bits are equal |
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if i < len(not_padded_barr): |
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assert not_padded_barr.bin[i] == barr.bin[i] |
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# The remaining are zeros |
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else: |
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assert barr.bin[i] == '0' |
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def test_bitarray_to_message(): |
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# This is an internal function and the input is supposed to be BitArray. Not testing unexpected inputs. |
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dummy_messages = [b'b' * i for i in range(1, 6)] |
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for message in dummy_messages: |
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barr = bitstring.Bits(message) |
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not_padded_message = zbase32._bitarray_to_message(bitstring.BitArray(message)) |
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assert isinstance(not_padded_message, bytes) |
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not_padded_barr = bitstring.Bits(not_padded_message) |
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for i in range(len(not_padded_barr)): |
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# Then first len(pre_padded_barr) bits are equal |
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if i < len(not_padded_barr): |
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assert not_padded_barr.bin[i] == barr.bin[i] |
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# The remaining are zeros |
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else: |
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assert barr.bin[i] == '0' |
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def test_bitarray_to_u5(): |
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# This is an internal function and the input is supposed to be ConstBitStream of length multiple of 5. |
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# Not testing unexpected inputs. |
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barrs = [zbase32._message_to_bitarray(message) for message in messages] |
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for barr in barrs: |
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u5 = zbase32._bitarray_to_u5(barr) |
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assert isinstance(u5, list) |
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assert all(x in range(0, 31) for x in u5) |
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def test_u5_to_bitarray(): |
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# This is an internal function and the input is supposed to be a list of ints 0-31. Not testing unexpected inputs. |
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u5s = [[0, 1, 2, 3, 4, 5], [15, 30, 24, 17, 8, 3, 21], [0], [28, 11]] |
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for u5 in u5s: |
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bitarray = zbase32._u5_to_bitarray(u5) |
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assert isinstance(bitarray, bitstring.BitArray) |
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def test_is_zbase32_encoded(): |
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for message in zbase32_messages: |
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assert zbase32.is_zbase32_encoded(message) |
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for message in not_zbase32_messages: |
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assert not zbase32.is_zbase32_encoded(message) |
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def test_encode(): |
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for message, expected_zbase32_message in zip(messages, zbase32_messages): |
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zbase32_message = zbase32.encode(message) |
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assert isinstance(zbase32_message, bytes) |
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assert zbase32_message == expected_zbase32_message |
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def test_encode_wrong_inputs(): |
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# Message must be either str or bytes, any other type will be rejected |
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for m in not_str_bytes: |
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with pytest.raises(TypeError, match='message must be string or bytes'): |
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zbase32.encode(m) |
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def test_decode(): |
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for expected_message, zbase32_message in zip(messages, zbase32_messages): |
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message = zbase32.decode(zbase32_message) |
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assert isinstance(message, bytes) |
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assert message == expected_message |
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def test_decode_wrong_inputs(): |
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# Message must be either str or bytes, any other type will be rejected |
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for m in not_str_bytes: |
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with pytest.raises(TypeError, match='message must be string or bytes'): |
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zbase32.decode(m) |
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# Message must also be zbase32 encoded, otherwise it will be rejected |
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for m in not_zbase32_messages: |
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with pytest.raises(ValueError, match='message is not zbase32 encoded'): |
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zbase32.decode(m) |
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