def _test_modify(self, contents, vr, accessor):
# Typed test
element = odil.Element([contents[0]], vr)
if isinstance(contents[0], bytearray):
accessor(element).append(odil.Value.BinaryItem(contents[1]))
else:
accessor(element).append(contents[1])
self._test_sequences(accessor(element), contents[:2])
if isinstance(contents[0], bytearray):
accessor(element)[0] = odil.Value.BinaryItem(contents[1])
else:
accessor(element)[0] = contents[1]
self._test_sequences(accessor(element), [contents[1], contents[1]])
# Polymorphic test
element = odil.Element([contents[0]], vr)
if isinstance(contents[0], bytearray):
element.append(odil.Value.BinaryItem(contents[1]))
else:
element.append(contents[1])
self._test_sequences(element, contents[:2])
if isinstance(contents[0], bytearray):
element[0] = odil.Value.BinaryItem(contents[1])
else:
element[0] = contents[1]
self._test_sequences(element, [contents[1], contents[1]])
def _test_equality(self, contents_1, contents_2, vr_1, vr_2):
element_1 = odil.Element(contents_1, vr_1)
element_2 = odil.Element(contents_1, vr_1)
element_3 = odil.Element(contents_1, vr_2)
element_4 = odil.Element(contents_2, vr_1)
self.assertTrue(element_1 == element_2)
self.assertFalse(element_1 == element_3)
self.assertFalse(element_1 == element_4)
self.assertFalse(element_1 != element_2)
self.assertTrue(element_1 != element_3)
self.assertTrue(element_1 != element_4)
def _test_item(self, tag, contents, type_check, accessor):
data_set = odil.DataSet()
data_set.add(tag, contents)
self._test_sequences(accessor(data_set[tag]), contents)
data_set[tag] = odil.Element(contents[:1], data_set.get_vr(tag))
self._test_sequences(accessor(data_set[tag]), contents[:1])
def _test_modify(self, contents, vr, accessor):
value = odil.Element([contents[0]], vr)
if isinstance(contents[0], bytearray):
accessor(value).append(
odil.Value.BinaryItem("".join(chr(x) for x in contents[1])))
else:
accessor(value).append(contents[1])
self._test_sequences(accessor(value), contents)
def test_write_element(self):
string_io = BytesIO()
stream = odil.iostream(string_io)
writer = odil.Writer(stream, odil.registry.ExplicitVRLittleEndian)
writer.write_element(odil.Element(["Foo^Bar"], odil.VR.PN))
self.assertEqual(string_io.getvalue(), b"PN\x08\x00Foo^Bar ")
def test_read_element(self):
string_io = BytesIO(b"PN\x08\x00Foo^Bar ")
stream = odil.iostream(string_io)
reader = odil.Reader(stream, odil.registry.ExplicitVRLittleEndian)
self.assertEqual(reader.read_element(odil.registry.PatientName),
odil.Element(["Foo^Bar"], odil.VR.PN))
def _test_clear(self, contents, vr, type_check):
element = odil.Element(contents, vr)
element.clear()
self.assertTrue(type_check(element))
self.assertTrue(element.empty())
def _test_container(self, contents, vr, type_check, accessor):
element = odil.Element(contents, vr)
self._test_value(element, vr, contents, type_check, accessor)
def _test_implicit_container(self, empty_content, vr, type_check,
accessor):
element = odil.Element(vr)
self._test_value(element, vr, empty_content, type_check, accessor)
def test_pickle_empty(self):
self.assertEqual(pickle.loads(pickle.dumps(odil.Element(odil.VR.CS))),
odil.Element(odil.VR.CS))
def _test_pickle(self, contents, vr, accessor):
element = odil.Element(contents, vr)
self.assertSequenceEqual(accessor(pickle.loads(pickle.dumps(element))),
accessor(element))
self.assertEqual(pickle.loads(pickle.dumps(element)).vr, vr)