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test_cfi.doctest - more detailed doctests for the stdnum.cfi module
Copyright (C) 2022 Arthur de Jong
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
This file contains more detailed doctests for the stdnum.cfi module. It
tries to validate a number of numbers that have been found online.
>>> import json
>>> from stdnum import cfi
>>> from stdnum.exceptions import *
Check some obviously invalid numbers.
>>> cfi.validate('123456')
Traceback (most recent call last):
...
InvalidFormat: ...
>>> cfi.validate('ELNUF')
Traceback (most recent call last):
...
InvalidLength: ...
>>> cfi.validate('AAAAAA')
Traceback (most recent call last):
...
InvalidComponent: ...
>>> cfi.validate('XXAAAA')
Traceback (most recent call last):
...
InvalidComponent: ...
>>> cfi.validate('IFXXXZ')
Traceback (most recent call last):
...
InvalidComponent: ...
Most characters can be replaced by an X.
>>> cfi.validate('DTFNFR')
'DTFNFR'
>>> cfi.validate('DTXXXX')
'DTXXXX'
>>> cfi.validate('DTFNXX')
'DTFNXX'
>>> cfi.validate('DTXNFX')
'DTXNFX'
The info function returns useful information.
>>> print(json.dumps(cfi.info('DTFNFR'), indent=2, sort_keys=True))
{
"Form": "Registered",
"Guarantee or ranking": "Senior",
"Redemption/reimbursement": "Fixed maturity",
"Type of interest": "Fixed rate",
"category": "Debt instruments",
"group": "Medium-term notes"
}
>>> print(json.dumps(cfi.info('IFXXXP'), indent=2, sort_keys=True))
{
"Delivery": "Physical",
"category": "Spot",
"group": "Foreign exchange"
}
>>> print(json.dumps(cfi.info('IFXXXX'), indent=2, sort_keys=True))
{
"category": "Spot",
"group": "Foreign exchange"
}
>>> print(json.dumps(cfi.info('DBFNXR'), indent=2, sort_keys=True))
{
"Form": "Registered",
"Guarantee or ranking": "Senior",
"Type of interest or cash payment": "Fixed rate",
"category": "Debt instruments",
"group": "Bonds"
}
These should all be valid numbers.
>>> numbers = '''
...
... CBMJXS
... CBOIXS
... CBOIXX
... CBXIXX
... CEMJXU
... CEOIBU
... CEOICU
... CEOIEU
... CEOIXU
... CEOJCU
... CEOJXU
... CFOGIY
... CFOIXX
... CICXXX
... CIOGBU
... CIOGEU
... CIOGEX
... CIOGLU
... CIOGLY
... CIOIBX
... CIOIEX
... CIOILX
... CIOIXX
... CIOXMX
... CMXXXX
... DBFCXB
... DBFNDB
... DBFNFB
... DBFNFR
... DBFNGB
... DBFNXR
... DBFOFB
... DBFPFB
... DBFPGB
... DBFQFB
... DBFQGB
... DBVQGB
... DBVQQB
... DBVQXB
... DBVQXR
... DCFPGB
... DECXRB
... DEDFRB
... DEDFTB
... DEEXRB
... DEEXRS
... DEEXTB
... DEMFRB
... DEMFRI
... DEMVRI
... DEMXRB
... DEMXTB
... DEMYRB
... DGFSFB
... DMXXXB
... DNFNGB
... DNFNXB
... DSAFVX
... DSAXVB
... DSAXVI
... DSAXVM
... DSAXVT
... DSAYVB
... DSAYVI
... DTFCGB
... DTFNFB
... DTFNFR
... DTFNGB
... DTFNXB
... EDSNXR
... ELNUFR
... ELRUFR
... ELVUFR
... EPNNFR
... EPNNPR
... EYAYFI
... EYAYFX
... EYCXEB
... EYMXFB
... EYMXFI
... EYMXFM
... EYMXFT
...
... '''
>>> [x for x in numbers.splitlines() if x and not cfi.is_valid(x)]
[]
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