def test_retrieve_instance_default_transfer_syntax(httpserver, client,
cache_dir):
cache_filename = str(cache_dir.joinpath('file.dcm'))
with open(cache_filename, 'rb') as f:
data = f.read()
media_type = 'application/dicom'
boundary = 'boundary'
headers = {
'content-type': (
'multipart/related; '
f'type="{media_type}"; '
f'boundary="{boundary}"'
),
}
message = DICOMwebClient._encode_multipart_message(
content=[data],
content_type=headers['content-type']
)
httpserver.serve_content(content=message, code=200, headers=headers)
study_instance_uid = '1.2.3'
series_instance_uid = '1.2.4'
sop_instance_uid = '1.2.5'
client.retrieve_instance(
study_instance_uid, series_instance_uid, sop_instance_uid,
media_types=(('application/dicom', '1.2.840.10008.1.2.1', ), )
)
request = httpserver.requests[0]
assert request.accept_mimetypes[0][0][:43] == headers['content-type'][:43]
def test_retrieve_instance(httpserver, client, cache_dir):
cache_filename = str(cache_dir.joinpath('file.dcm'))
with open(cache_filename, 'rb') as f:
data = f.read()
media_type = 'application/dicom'
boundary = 'boundary'
headers = {
'content-type': ('multipart/related; '
f'type="{media_type}"; '
f'boundary="{boundary}"'),
}
message = DICOMwebClient._encode_multipart_message(
content=[data], content_type=headers['content-type'])
httpserver.serve_content(content=message, code=200, headers=headers)
study_instance_uid = '1.2.3'
series_instance_uid = '1.2.4'
sop_instance_uid = '1.2.5'
response = client.retrieve_instance(study_instance_uid,
series_instance_uid, sop_instance_uid)
with BytesIO() as fp:
pydicom.dcmwrite(fp, response)
raw_result = fp.getvalue()
assert raw_result == data
request = httpserver.requests[0]
expected_path = (f'/studies/{study_instance_uid}'
f'/series/{series_instance_uid}'
f'/instances/{sop_instance_uid}')
assert request.path == expected_path
assert request.accept_mimetypes[0][0][:43] == headers['content-type'][:43]
def test_iter_instance_frames_jpeg(httpserver, client, cache_dir):
cache_filename = str(cache_dir.joinpath('retrieve_instance_pixeldata.jpg'))
with open(cache_filename, 'rb') as f:
data = f.read()
n_resources = 2
chunk_size = 10**2
media_type = 'image/jpeg'
boundary = 'boundary'
headers = {
'content-type': (
'multipart/related; '
f'type="{media_type}"; '
f'boundary="{boundary}"'
),
'transfer-encoding': 'chunked'
}
message = DICOMwebClient._encode_multipart_message(
content=[data for _ in range(n_resources)],
content_type=headers['content-type']
)
chunked_message = _chunk_message(message, chunk_size)
httpserver.serve_content(content=chunked_message, code=200, headers=headers)
study_instance_uid = '1.2.3'
series_instance_uid = '1.2.4'
sop_instance_uid = '1.2.5'
frame_numbers = [x + 1 for x in range(n_resources)]
frame_list = ','.join([str(n) for n in frame_numbers])
iterator = client.iter_instance_frames(
study_instance_uid,
series_instance_uid,
sop_instance_uid,
frame_numbers,
media_types=(media_type, )
)
response = list(iterator)
request = httpserver.requests[0]
expected_path = (
f'/studies/{study_instance_uid}'
f'/series/{series_instance_uid}'
f'/instances/{sop_instance_uid}'
f'/frames/{frame_list}'
)
assert isinstance(iterator, Generator)
assert request.path == expected_path
assert request.accept_mimetypes[0][0][:36] == headers['content-type'][:36]
assert len(response) == n_resources
def test_iter_series(client, httpserver, cache_dir):
cache_filename = str(cache_dir.joinpath('file.dcm'))
with open(cache_filename, 'rb') as f:
data = f.read()
n_resources = 3
chunk_size = 10**3
media_type = 'application/dicom'
boundary = 'boundary'
headers = {
'content-type': (
'multipart/related; '
f'type="{media_type}"; '
f'boundary="{boundary}"'
),
'transfer-encoding': 'chunked'
}
message = DICOMwebClient._encode_multipart_message(
content=[data for _ in range(n_resources)],
content_type=headers['content-type']
)
chunked_message = _chunk_message(message, chunk_size)
httpserver.serve_content(content=chunked_message, code=200, headers=headers)
study_instance_uid = '1.2.3'
series_instance_uid = '1.2.4'
iterator = client.iter_series(
study_instance_uid, series_instance_uid
)
assert isinstance(iterator, Generator)
response = list(iterator)
for instance in response:
with BytesIO() as fp:
pydicom.dcmwrite(fp, instance)
raw_result = fp.getvalue()
assert raw_result == data
request = httpserver.requests[0]
expected_path = (
f'/studies/{study_instance_uid}'
f'/series/{series_instance_uid}'
)
assert request.path == expected_path
assert request.accept_mimetypes[0][0][:43] == headers['content-type'][:43]
assert len(response) == n_resources
