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firestar5683
45 lines
1.9 KiB
Python
45 lines
1.9 KiB
Python
"""Actual Cereal named-field decoding keeps content and fixed cache bounds."""
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import struct
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import pytest
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from openpilot.cereal import custom
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from openpilot.starpilot.flm import learning_wire as wire
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def row(values):
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return custom.LearningControlEvidence.new_message(replayInputs=values).as_reader().replayInputs
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def test_actual_cereal_names_share_only_exact_validated_keys():
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wire._evidence_field_name.cache_clear()
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values=row([{'name':'steeringAngleDeg','number':-0.0},{'name':'steeringPressed','boolean':False},
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{'name':'sourceText','text':'unchanged'}])
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first=wire._read_named_values(values,32)
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second=wire._read_named_values(values,32)
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assert first==second
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assert all(a[0] is b[0] for a,b in zip(first,second,strict=True))
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assert struct.pack('!d',first[0][1])==struct.pack('!d',-0.0)
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assert type(first[1][1]) is bool and first[1][1] is False
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assert first[2][1]=='unchanged'
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different=wire._read_named_values(row([{'name':'steeringAngleDEG','number':1.}]),32)
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assert different[0][0]!=first[0][0]
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assert different[0][0] is not first[0][0]
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@pytest.mark.parametrize('name',['','x'*97])
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def test_invalid_names_never_enter_receiver_key_cache(name):
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wire._evidence_field_name.cache_clear()
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with pytest.raises(ValueError,match='bounded string'):
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wire._read_named_values(row([{'name':name,'number':1.}]),32)
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assert wire._evidence_field_name.cache_info().currsize==0
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def test_receiver_key_cache_has_fixed_bound_and_original_wire_bound_remains():
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wire._evidence_field_name.cache_clear()
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for i in range(2200):
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value=wire._read_named_values(row([{'name':f'field-{i}','number':float(i)}]),32)
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assert value==((f'field-{i}',float(i)),)
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assert wire._evidence_field_name.cache_info().currsize==2048
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with pytest.raises(ValueError,match='replay scalar bounds'):
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wire._read_named_values(row([{'name':'field','number':1.}]*33),32)
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assert wire._evidence_field_name.cache_info().currsize==2048
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