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GitHubandClaude Opus 4.7
50491f9aae
- Package directory: src/xmtdx/ -> src/easy_tdx/ - Import path: from easy_tdx import ... - pip install easy-tdx - Add LICENSE (MIT) with upstream attribution (pytdx, xmtdx) - Add NOTICE with detailed attribution - Update all examples, tests, scripts, docs - Bump version to 1.0.0 BREAKING CHANGE: import path changed from `xmtdx` to `easy_tdx` Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
63 lines
1.8 KiB
Python
63 lines
1.8 KiB
Python
"""get_price / put_price 单元测试，测试向量来自 pytdx 实际报文。"""
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from easy_tdx.codec.price import get_price, put_price
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class TestGetPrice:
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def test_single_byte_zero(self):
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val, pos = get_price(b"\x00", 0)
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assert val == 0
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assert pos == 1
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def test_single_byte_positive(self):
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# 0x27 = 0b00100111 → bit7=0(stop), bit6=0(pos), low6=0x27=39
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val, pos = get_price(bytes([0x27]), 0)
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assert val == 39
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assert pos == 1
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def test_single_byte_negative(self):
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# bit6=1 → negative；low6=0x01 → -1
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val, pos = get_price(bytes([0x41]), 0)
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assert val == -1
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assert pos == 1
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def test_multi_byte_positive(self):
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# 0x8F 0x01: bit7=1(continue), low6=0x0F=15; 0x01: bit7=0(stop), 7bits=1
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# value = 15 | (1 << 6) = 15 + 64 = 79
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val, pos = get_price(bytes([0x8F, 0x01]), 0)
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assert val == 79
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assert pos == 2
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def test_pos_advances(self):
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data = bytes([0x05, 0x0A])
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val0, pos0 = get_price(data, 0)
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val1, pos1 = get_price(data, pos0)
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assert val0 == 5
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assert val1 == 10
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def test_roundtrip(self):
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for v in [0, 1, -1, 63, 64, -64, 1000, -1000, 99999, -99999]:
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encoded = put_price(v)
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decoded, _ = get_price(encoded, 0)
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assert decoded == v, f"roundtrip failed for {v}"
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class TestPutPrice:
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def test_zero(self):
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assert put_price(0) == b"\x00"
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def test_small_positive(self):
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b = put_price(5)
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val, _ = get_price(b, 0)
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assert val == 5
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def test_small_negative(self):
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b = put_price(-5)
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val, _ = get_price(b, 0)
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assert val == -5
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def test_large_value(self):
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b = put_price(100000)
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val, _ = get_price(b, 0)
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assert val == 100000
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