def sqlite_reader(request):
write_sqlite3()
def _():
os.remove(SQLITE_FILENAME)
request.addfinalizer(_)
samples_config = sqlite_format.SamplesConfig(table_name='traces',
pk_column_name='trace_id',
dtype='uint8',
samples_column_name='samples')
metadata_config = sqlite_format.MetadataConfig(table_name='traces',
pk_column_name='trace_id',
metadata_defs={
'plaintext': 'uint8',
'plain_t': 'uint8',
'ciphertext': 'uint8',
'indices': 'U2',
})
headers_config = sqlite_format.HeadersConfig(table_name='headers',
tag_column_name='tag',
value_column_name='value',
dtype_column_name='dtype')
return sqlite_format.SQLiteFormatReader(filename=SQLITE_FILENAME,
samples_config=samples_config,
metadata_config=metadata_config,
headers_config=headers_config)
def test_ths_without_headers(filename):
ths = estraces.read_ths_from_sqlite(
filename,
samples_config=sqlite_format.SamplesConfig(),
metadata_config=sqlite_format.MetadataConfig(metadata_defs={'plaintext': 'uint8'})
)
assert isinstance(ths, estraces.TraceHeaderSet)
assert len(ths) == 10
assert [] == list(ths.headers.keys())
assert not ths._reader.fetch_header('tag')
def test_samples_shape_is_not_too_slow(lots_of_traces):
ths = estraces.read_ths_from_sqlite(
lots_of_traces,
samples_config=sqlite_format.SamplesConfig(),
metadata_config=sqlite_format.MetadataConfig(metadata_defs={'plaintext': 'uint8'})
)
assert isinstance(ths, estraces.TraceHeaderSet)
stm = 's_ths.samples.shape'
s_ths = ths[:100]
t1 = timeit.timeit(stm, globals={'s_ths': s_ths}, number=10)
s_ths = ths[:10]
t2 = timeit.timeit(stm, globals={'s_ths': s_ths}, number=10)
assert t1 / t2 < 10
def test_raises_exception_with_wrong_header_config(filename):
samples_config = sqlite_format.SamplesConfig(table_name='traces', pk_column_name='trace_id', dtype='uint8', samples_column_name='samples')
metadata_config = sqlite_format.MetadataConfig()
headers_config = sqlite_format.HeadersConfig(table_name='headers', tag_column_name='tags', value_column_name='value', dtype_column_name='dtype')
ths = estraces.read_ths_from_sqlite(
filename,
samples_config=samples_config,
metadata_config=metadata_config,
headers_config=headers_config
)
with pytest.raises(sqlite_format.SQLiteError):
ths.headers['key']
with pytest.raises(sqlite_format.SQLiteError):
ths._reader.fetch_header('key')
def test_raises_exception_configuring_non_existing_samples_col(filename):
samples_config = sqlite_format.SamplesConfig(
table_name='traces',
pk_column_name='trace_id',
dtype='uint8',
samples_column_name='sampless'
)
metadata_config = sqlite_format.MetadataConfig()
headers_config = sqlite_format.HeadersConfig()
ths = estraces.read_ths_from_sqlite(
filename,
samples_config=samples_config,
metadata_config=metadata_config,
headers_config=headers_config
)
with pytest.raises(sqlite_format.SQLiteError):
ths[0].samples[:]
with pytest.raises(sqlite_format.SQLiteError):
ths.samples[:]
with pytest.raises(sqlite_format.SQLiteError):
ths._reader.get_trace_size(0)
samples_config = sqlite_format.SamplesConfig(
table_name='tracess',
pk_column_name='trace_id',
dtype='uint8',
samples_column_name='samples'
)
ths = estraces.read_ths_from_sqlite(
filename,
samples_config=samples_config,
metadata_config=metadata_config,
headers_config=headers_config
)
with pytest.raises(sqlite_format.SQLiteError):
ths[0].samples[:]
with pytest.raises(sqlite_format.SQLiteError):
ths.samples[:]
with pytest.raises(sqlite_format.SQLiteError):
ths._reader.get_trace_size(0)
def test_raises_exception_fetching_non_existing_header(filename):
samples_config = sqlite_format.SamplesConfig(table_name='traces', pk_column_name='trace_id', dtype='uint8', samples_column_name='samples')
metadata_config = sqlite_format.MetadataConfig(
table_name='traces',
pk_column_name='trace_id',
metadata_defs={
'plaintext': 'uint8',
'ciphertext': 'uint8',
}
)
headers_config = sqlite_format.HeadersConfig(table_name='headers', tag_column_name='tag', value_column_name='value', dtype_column_name='dtype')
ths = estraces.read_ths_from_sqlite(
filename,
samples_config=samples_config,
metadata_config=metadata_config,
headers_config=headers_config
)
with pytest.raises(KeyError):
ths.headers['woop']
def test_raises_exception_configuring_non_existing_metadata(filename):
samples_config = sqlite_format.SamplesConfig(table_name='traces', pk_column_name='trace_id', dtype='uint8', samples_column_name='samples')
metadata_config = sqlite_format.MetadataConfig(
table_name='traces',
pk_column_name='trace_id',
metadata_defs={
'plaintext': 'uint8',
'ciphertext': 'uint8',
'woop': 'uint8'
}
)
headers_config = sqlite_format.HeadersConfig()
ths = estraces.read_ths_from_sqlite(
filename,
samples_config=samples_config,
metadata_config=metadata_config,
headers_config=headers_config
)
with pytest.raises(sqlite_format.SQLiteError):
ths[0].metadatas['woop']
with pytest.raises(sqlite_format.SQLiteError):
ths.metadatas['woop']