How to use symlink_or_skip method in Pytest

Best Python code snippet using pytest

test_conftest.py

Source:test_conftest.py

...173    # /symlinktests -> /real/app/tests (running at symlinktests should fail)174    # /symlink -> /real (running at /symlink should work)175    real = testdir.tmpdir.mkdir("real")176    realtests = real.mkdir("app").mkdir("tests")177    symlink_or_skip(realtests, testdir.tmpdir.join("symlinktests"))178    symlink_or_skip(real, testdir.tmpdir.join("symlink"))179    testdir.makepyfile(180        **{181            "real/app/tests/test_foo.py": "def test1(fixture): pass",182            "real/conftest.py": textwrap.dedent(183                """184                import pytest185                print("conftest_loaded")186                @pytest.fixture187                def fixture():188                    print("fixture_used")189                """190            ),191        }192    )193    # Should fail because conftest cannot be found from the link structure.194    result = testdir.runpytest("-vs", "symlinktests")195    result.stdout.fnmatch_lines(["*fixture 'fixture' not found*"])196    assert result.ret == ExitCode.TESTS_FAILED197    # Should not cause "ValueError: Plugin already registered" (#4174).198    result = testdir.runpytest("-vs", "symlink")199    assert result.ret == ExitCode.OK200def test_conftest_symlink_files(testdir):201    """Symlinked conftest.py are found when pytest is executed in a directory with symlinked202    files."""203    real = testdir.tmpdir.mkdir("real")204    source = {205        "app/test_foo.py": "def test1(fixture): pass",206        "app/__init__.py": "",207        "app/conftest.py": textwrap.dedent(208            """209            import pytest210            print("conftest_loaded")211            @pytest.fixture212            def fixture():213                print("fixture_used")214            """215        ),216    }217    testdir.makepyfile(**{"real/%s" % k: v for k, v in source.items()})218    # Create a build directory that contains symlinks to actual files219    # but doesn't symlink actual directories.220    build = testdir.tmpdir.mkdir("build")221    build.mkdir("app")222    for f in source:223        symlink_or_skip(real.join(f), build.join(f))224    build.chdir()225    result = testdir.runpytest("-vs", "app/test_foo.py")226    result.stdout.fnmatch_lines(["*conftest_loaded*", "PASSED"])227    assert result.ret == ExitCode.OK228@pytest.mark.skipif(229    os.path.normcase("x") != os.path.normcase("X"),230    reason="only relevant for case insensitive file systems",231)232def test_conftest_badcase(testdir):233    """Check conftest.py loading when directory casing is wrong (#5792)."""234    testdir.tmpdir.mkdir("JenkinsRoot").mkdir("test")235    source = {"setup.py": "", "test/__init__.py": "", "test/conftest.py": ""}236    testdir.makepyfile(**{"JenkinsRoot/%s" % k: v for k, v in source.items()})237    testdir.tmpdir.join("jenkinsroot/test").chdir()...

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