86 lines
2.3 KiB
Python
86 lines
2.3 KiB
Python
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import os.path
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import subprocess
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import sys
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import textwrap
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from contextlib import contextmanager
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from string import ascii_lowercase
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import py.path
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from _pytest import pytester
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@contextmanager
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def subst_path_windows(filename):
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for c in ascii_lowercase[7:]: # Create a subst drive from H-Z.
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c += ":"
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if not os.path.exists(c):
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drive = c
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break
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else:
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raise AssertionError("Unable to find suitable drive letter for subst.")
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directory = filename.dirpath()
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basename = filename.basename
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args = ["subst", drive, str(directory)]
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subprocess.check_call(args)
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assert os.path.exists(drive)
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try:
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filename = py.path.local(drive) / basename
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yield filename
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finally:
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args = ["subst", "/D", drive]
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subprocess.check_call(args)
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@contextmanager
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def subst_path_linux(filename):
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directory = filename.dirpath()
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basename = filename.basename
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target = directory / ".." / "sub2"
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os.symlink(str(directory), str(target), target_is_directory=True)
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try:
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filename = target / basename
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yield filename
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finally:
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# We don't need to unlink (it's all in the tempdir).
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pass
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def test_link_resolve(testdir: pytester.Testdir) -> None:
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"""
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See: https://github.com/pytest-dev/pytest/issues/5965
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"""
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sub1 = testdir.mkpydir("sub1")
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p = sub1.join("test_foo.py")
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p.write(
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textwrap.dedent(
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"""
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import pytest
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def test_foo():
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raise AssertionError()
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"""
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)
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)
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subst = subst_path_linux
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if sys.platform == "win32":
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subst = subst_path_windows
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with subst(p) as subst_p:
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result = testdir.runpytest(str(subst_p), "-v")
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# i.e.: Make sure that the error is reported as a relative path, not as a
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# resolved path.
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# See: https://github.com/pytest-dev/pytest/issues/5965
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stdout = result.stdout.str()
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assert "sub1/test_foo.py" not in stdout
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# i.e.: Expect drive on windows because we just have drive:filename, whereas
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# we expect a relative path on Linux.
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expect = (
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"*{}*".format(subst_p) if sys.platform == "win32" else "*sub2/test_foo.py*"
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)
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result.stdout.fnmatch_lines([expect])
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