Function test_fuse_mount_hardlinks

src/borg/testsuite/archiver/mount_cmds_test.py:30–64

(archivers, request)

@requires_hardlinks
@pytest.mark.skipif(not has_any_fuse, reason="FUSE not available")
def test_fuse_mount_hardlinks(archivers, request):
    archiver = request.getfixturevalue(archivers)
    _extract_hardlinks_setup(archiver)
    mountpoint = os.path.join(archiver.tmpdir, "mountpoint")
    # we need to get rid of permissions checking because fakeroot causes issues with it.
    # On all platforms, borg defaults to "default_permissions" and we need to get rid of it via "ignore_permissions".
    # On macOS (darwin), we additionally need "defer_permissions" to switch off the checks in osxfuse.
    if sys.platform == "darwin":
        ignore_perms = ["-o", "ignore_permissions,defer_permissions"]
    else:
        ignore_perms = ["-o", "ignore_permissions"]
    with (
        fuse_mount(archiver, mountpoint, "-a", "test", "--strip-components=2", *ignore_perms),
        changedir(os.path.join(mountpoint, "test")),
    ):
        assert os.stat("hardlink").st_nlink == 2
        assert os.stat("subdir/hardlink").st_nlink == 2
        assert open("subdir/hardlink", "rb").read() == b"123456"
        assert os.stat("aaaa").st_nlink == 2
        assert os.stat("source2").st_nlink == 2
    with (
        fuse_mount(archiver, mountpoint, "input/dir1", "-a", "test", *ignore_perms),
        changedir(os.path.join(mountpoint, "test")),
    ):
        assert os.stat("input/dir1/hardlink").st_nlink == 2
        assert os.stat("input/dir1/subdir/hardlink").st_nlink == 2
        assert open("input/dir1/subdir/hardlink", "rb").read() == b"123456"
        assert os.stat("input/dir1/aaaa").st_nlink == 2
        assert os.stat("input/dir1/source2").st_nlink == 2
    with fuse_mount(archiver, mountpoint, "-a", "test", *ignore_perms), changedir(os.path.join(mountpoint, "test")):
        assert os.stat("input/source").st_nlink == 4
        assert os.stat("input/abba").st_nlink == 4
        assert os.stat("input/dir1/hardlink").st_nlink == 4
        assert os.stat("input/dir1/subdir/hardlink").st_nlink == 4
        assert open("input/dir1/subdir/hardlink", "rb").read() == b"123456"


@pytest.mark.skipif(not has_any_fuse, reason="FUSE not available")