def test_UN_sequence(self):
p = get_testdata_file("UN_sequence.dcm")
msg = "This reader does not handle undefined length except for SQ"
with dicomfile(p) as ds:
with pytest.raises(NotImplementedError, match=msg):
for elem in ds:
pass
def test_no_meta(self):
p = get_testdata_file("no_meta.dcm")
msg = "No transfer syntax in file meta info"
with dicomfile(p) as ds:
assert ds.preamble is None
with pytest.raises(NotImplementedError, match=msg):
for elem in ds:
pass
def test_explicit_big(self):
p = get_testdata_file("MR_small_bigendian.dcm")
ds = dcmread(p)
assert ds.file_meta.TransferSyntaxUID == ExplicitVRBigEndian
with dicomfile(p) as ds:
assert ds.preamble is not None
for elem in ds:
if elem[0] == (0x7fe0, 0x0010):
assert elem[2] == 8192
def test_explicit_little(self):
p = get_testdata_file("CT_small.dcm")
ds = dcmread(p)
assert ds.file_meta.TransferSyntaxUID == ExplicitVRLittleEndian
with dicomfile(p) as ds:
assert ds.preamble is not None
for elem in ds:
if elem[0] == (0x7fe0, 0x0010):
assert elem[2] == 32768
def test_no_tsyntax(self):
p = get_testdata_file("meta_missing_tsyntax.dcm")
ds = dcmread(p)
assert "TransferSyntaxUID" not in ds.file_meta
msg = "No transfer syntax in file meta info"
with dicomfile(p) as ds:
assert ds.preamble is not None
with pytest.raises(NotImplementedError, match=msg):
for elem in ds:
pass