tests: check availability of pyflakes by trying to import pyflakes module
Since e397c6d74652, we use the pyflakes module instead of the pyflakes
executable. As was pointed out during the review, the hghave check can be
rewritten to try to import the pyflakes module instead of spawning a new
subprocess.
from __future__ import absolute_import
from __future__ import print_function
from mercurial import minifileset
def check(text, truecases, falsecases):
f = minifileset.compile(text)
for args in truecases:
if not f(*args):
print('unexpected: %r should include %r' % (text, args))
for args in falsecases:
if f(*args):
print('unexpected: %r should exclude %r' % (text, args))
check(b'all()', [(b'a.php', 123), (b'b.txt', 0)], [])
check(b'none()', [], [(b'a.php', 123), (b'b.txt', 0)])
check(b'!!!!((!(!!all())))', [], [(b'a.php', 123), (b'b.txt', 0)])
check(
b'"path:a" & (**.b | **.c)', [(b'a/b.b', 0), (b'a/c.c', 0)], [(b'b/c.c', 0)]
)
check(
b'(path:a & **.b) | **.c', [(b'a/b.b', 0), (b'a/c.c', 0), (b'b/c.c', 0)], []
)
check(
b'**.bin - size("<20B")', [(b'b.bin', 21)], [(b'a.bin', 11), (b'b.txt', 21)]
)
check(
b'!!**.bin or size(">20B") + "path:bin" or !size(">10")',
[(b'a.bin', 11), (b'b.txt', 21), (b'bin/abc', 11)],
[(b'a.notbin', 11), (b'b.txt', 11), (b'bin2/abc', 11)],
)
check(
b'(**.php and size(">10KB")) | **.zip | ("path:bin" & !"path:bin/README") '
b' | size(">1M")',
[(b'a.php', 15000), (b'a.zip', 0), (b'bin/a', 0), (b'bin/README', 1e7)],
[(b'a.php', 5000), (b'b.zip2', 0), (b't/bin/a', 0), (b'bin/README', 1)],
)