96 lines
3.1 KiB
Python
96 lines
3.1 KiB
Python
import subprocess
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import sys
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from pathlib import Path
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import pytest
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from _pytest.monkeypatch import MonkeyPatch
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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(f"equal_with_bash({prefix}) {retval} {res}\n")
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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 OSError 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(["bash", "-c", f"compgen -A directory -- '{prefix}'"])
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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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["bash", "-c", f"compgen -A file -X '!*.{x}' -- '{prefix}'"]
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)
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else:
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completion += _wrapcall(["bash", "-c", f"compgen -A file -- '{prefix}'"])
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anticomp = _wrapcall(["bash", "-c", f"compgen -A directory -- '{prefix}'"])
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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(
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self, tmp_path: Path, monkeypatch: MonkeyPatch
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) -> None:
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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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monkeypatch.chdir(tmp_path)
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assert equal_with_bash("", ffc, fc, out=sys.stdout)
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tmp_path.cwd().joinpath("data").touch()
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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: ls /usr/<TAB>."""
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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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