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import os.path
import shutil
import tempfile
from unittest import TestCase
import numpy as np
from pyecsca.sca import (TraceSet, InspectorTraceSet, ChipWhispererTraceSet, PickleTraceSet,
HDF5TraceSet, Trace)
EXAMPLE_TRACES = [Trace(np.array([20, 40, 50, 50, 10], dtype=np.dtype("i1")), None, None),
Trace(np.array([1, 2, 3, 4, 5], dtype=np.dtype("i1")), None, None),
Trace(np.array([6, 7, 8, 9, 10], dtype=np.dtype("i1")), None, None)]
EXAMPLE_KWARGS = {"num_traces": 3, "thingy": "abc"}
class TraceSetTests(TestCase):
def test_create(self):
self.assertIsNotNone(TraceSet())
self.assertIsNotNone(InspectorTraceSet())
self.assertIsNotNone(ChipWhispererTraceSet())
self.assertIsNotNone(PickleTraceSet())
self.assertIsNotNone(HDF5TraceSet())
class InspectorTraceSetTests(TestCase):
def test_load_fname(self):
result = InspectorTraceSet.read("test/data/example.trs")
self.assertIsNotNone(result)
self.assertEqual(result.global_title, "Example trace set")
self.assertEqual(len(result), 10)
self.assertEqual(len(list(result)), 10)
self.assertIn("InspectorTraceSet", str(result))
self.assertIs(result[0].trace_set, result)
self.assertEqual(result.sampling_frequency, 12500000)
def test_load_file(self):
with open("test/data/example.trs", "rb") as f:
self.assertIsNotNone(InspectorTraceSet.read(f))
def test_load_bytes(self):
with open("test/data/example.trs", "rb") as f:
self.assertIsNotNone(InspectorTraceSet.read(f.read()))
def test_save(self):
trace_set = InspectorTraceSet.read("test/data/example.trs")
with tempfile.TemporaryDirectory() as dirname:
path = os.path.join(dirname, "out.trs")
trace_set.write(path)
self.assertTrue(os.path.exists(path))
self.assertIsNotNone(InspectorTraceSet.read(path))
class ChipWhispererTraceSetTests(TestCase):
def test_load_fname(self):
result = ChipWhispererTraceSet.read("test/data/config_chipwhisperer_.cfg")
self.assertIsNotNone(result)
self.assertEqual(len(result), 2)
class PickleTraceSetTests(TestCase):
def test_load_fname(self):
result = PickleTraceSet.read("test/data/test.pickle")
self.assertIsNotNone(result)
def test_load_file(self):
with open("test/data/test.pickle", "rb") as f:
self.assertIsNotNone(PickleTraceSet.read(f))
def test_save(self):
trace_set = PickleTraceSet(*EXAMPLE_TRACES, **EXAMPLE_KWARGS)
with tempfile.TemporaryDirectory() as dirname:
path = os.path.join(dirname, "out.pickle")
trace_set.write(path)
self.assertTrue(os.path.exists(path))
self.assertIsNotNone(PickleTraceSet.read(path))
class HDF5TraceSetTests(TestCase):
def test_load_fname(self):
result = HDF5TraceSet.read("test/data/test.h5")
self.assertIsNotNone(result)
def test_load_file(self):
with open("test/data/test.h5", "rb") as f:
self.assertIsNotNone(HDF5TraceSet.read(f))
def test_inplace(self):
with tempfile.TemporaryDirectory() as dirname:
path = os.path.join(dirname, "test.h5")
shutil.copy("test/data/test.h5", path)
trace_set = HDF5TraceSet.inplace(path)
self.assertIsNotNone(trace_set)
test_trace = Trace(np.array([6, 7], dtype=np.dtype("i1")), None, None, meta={"thing": "ring"})
trace_set[0] = test_trace
trace_set.save()
trace_set.close()
test_set = HDF5TraceSet.read(path)
self.assertEquals(test_set[0], test_trace)
def test_save(self):
trace_set = HDF5TraceSet(*EXAMPLE_TRACES, **EXAMPLE_KWARGS)
with tempfile.TemporaryDirectory() as dirname:
path = os.path.join(dirname, "out.h5")
trace_set.write(path)
self.assertTrue(os.path.exists(path))
self.assertIsNotNone(HDF5TraceSet.read(path))
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