/usr/lib/python3/dist-packages/patsy/test_regressions.py is in python3-patsy 0.4.1+git34-ga5b54c2-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | # This file is part of Patsy
# Copyright (C) 2013 Nathaniel Smith <njs@pobox.com>
# See file LICENSE.txt for license information.
# Regression tests for fixed bugs (when not otherwise better covered somewhere
# else)
from patsy import (EvalEnvironment, dmatrix, build_design_matrices,
PatsyError, Origin)
def test_issue_11():
# Give a sensible error message for level mismatches
# (At some points we've failed to put an origin= on these errors)
env = EvalEnvironment.capture()
data = {"X" : [0,1,2,3], "Y" : [1,2,3,4]}
formula = "C(X) + Y"
new_data = {"X" : [0,0,1,2,3,3,4], "Y" : [1,2,3,4,5,6,7]}
info = dmatrix(formula, data)
try:
build_design_matrices([info.design_info], new_data)
except PatsyError as e:
assert e.origin == Origin(formula, 0, 4)
else:
assert False
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