103 lines
3.2 KiB
Python
103 lines
3.2 KiB
Python
import subprocess
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import sys
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import pytest
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# test for _argcomplete but not specific for any application
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def equal_with_bash(prefix, ffc, fc, out=None):
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res = ffc(prefix)
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res_bash = set(fc(prefix))
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retval = set(res) == res_bash
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if out:
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out.write("equal_with_bash({}) {} {}\n".format(prefix, retval, res))
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if not retval:
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out.write(" python - bash: %s\n" % (set(res) - res_bash))
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out.write(" bash - python: %s\n" % (res_bash - set(res)))
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return retval
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# copied from argcomplete.completers as import from there
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# also pulls in argcomplete.__init__ which opens filedescriptor 9
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# this gives an IOError at the end of testrun
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def _wrapcall(*args, **kargs):
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try:
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return subprocess.check_output(*args, **kargs).decode().splitlines()
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except subprocess.CalledProcessError:
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return []
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class FilesCompleter:
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"File completer class, optionally takes a list of allowed extensions"
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def __init__(self, allowednames=(), directories=True):
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# Fix if someone passes in a string instead of a list
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if type(allowednames) is str:
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allowednames = [allowednames]
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self.allowednames = [x.lstrip("*").lstrip(".") for x in allowednames]
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self.directories = directories
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def __call__(self, prefix, **kwargs):
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completion = []
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if self.allowednames:
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if self.directories:
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files = _wrapcall(
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["bash", "-c", "compgen -A directory -- '{p}'".format(p=prefix)]
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)
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completion += [f + "/" for f in files]
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for x in self.allowednames:
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completion += _wrapcall(
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[
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"bash",
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"-c",
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"compgen -A file -X '!*.{0}' -- '{p}'".format(x, p=prefix),
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]
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)
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else:
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completion += _wrapcall(
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["bash", "-c", "compgen -A file -- '{p}'".format(p=prefix)]
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)
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anticomp = _wrapcall(
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["bash", "-c", "compgen -A directory -- '{p}'".format(p=prefix)]
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)
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completion = list(set(completion) - set(anticomp))
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if self.directories:
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completion += [f + "/" for f in anticomp]
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return completion
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class TestArgComplete:
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@pytest.mark.skipif("sys.platform in ('win32', 'darwin')")
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def test_compare_with_compgen(self, tmpdir):
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from _pytest._argcomplete import FastFilesCompleter
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ffc = FastFilesCompleter()
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fc = FilesCompleter()
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with tmpdir.as_cwd():
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assert equal_with_bash("", ffc, fc, out=sys.stdout)
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tmpdir.ensure("data")
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for x in ["d", "data", "doesnotexist", ""]:
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assert equal_with_bash(x, ffc, fc, out=sys.stdout)
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@pytest.mark.skipif("sys.platform in ('win32', 'darwin')")
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def test_remove_dir_prefix(self):
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"""this is not compatible with compgen but it is with bash itself:
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ls /usr/<TAB>
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"""
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from _pytest._argcomplete import FastFilesCompleter
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ffc = FastFilesCompleter()
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fc = FilesCompleter()
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for x in "/usr/".split():
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assert not equal_with_bash(x, ffc, fc, out=sys.stdout)
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