def test_errors(self):
usi_str = "mzspec:MSV000085202:210320_SARS_CoV_2_T:scan:131256"
with self.assertRaises(TypeError,
msg='Unrecognized backend type: NoneType'):
proxi(usi_str, backend=None)
with self.assertRaises(PyteomicsError,
msg='Unknown PROXI backend name: BackendName'):
proxi(usi_str, backend='BackendName')
def test_request(self):
usi_str = "mzspec:MSV000085202:210320_SARS_CoV_2_T:scan:131256"
response = proxi(usi_str, backend=AGGREGATOR_KEY)
assert set(usi_proxi_data.keys()) <= set(response.keys())
for a, b in zip(response['m/z array'], usi_proxi_data['m/z array']):
self.assertAlmostEqual(a, b, 3)
for a, b in zip(response['intensity array'],
usi_proxi_data['intensity array']):
self.assertAlmostEqual(a, b, 3)
def get_scan_by_id(self, scan_id):
'''Get a spectrum by USI from the server.
Parameters
----------
scan_id : str
The USI to fetch.
Returns
-------
Scan
'''
payload = proxi(scan_id, self.backend)
payload[USI_KEY] = scan_id
return self._make_scan(payload)