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"""
Test the logger module.
"""
# Author: Gael Varoquaux <gael dot varoquaux at normalesup dot org>
# Copyright (c) 2009 Gael Varoquaux
# License: BSD Style, 3 clauses.
import re
from joblib.logger import PrintTime
def test_print_time(tmpdir, capsys):
# A simple smoke test for PrintTime.
logfile = tmpdir.join('test.log').strpath
print_time = PrintTime(logfile=logfile)
print_time('Foo')
# Create a second time, to smoke test log rotation.
print_time = PrintTime(logfile=logfile)
print_time('Foo')
# And a third time
print_time = PrintTime(logfile=logfile)
print_time('Foo')
out_printed_text, err_printed_text = capsys.readouterr()
# Use regexps to be robust to time variations
match = r"Foo: 0\..s, 0\..min\nFoo: 0\..s, 0..min\nFoo: " + \
r".\..s, 0..min\n"
if not re.match(match, err_printed_text):
raise AssertionError('Excepted %s, got %s' %
(match, err_printed_text))
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