Example #1
0
def setup(entries=None):
    """
    Replace builtin functions with mockfs.

    :param entries: Dictionary mapping paths to content
    :rtype MockFS: Newly installed :class:`mockfs.MockFS` handler

    Example::

        import os
        import mockfs

        fs = mockfs.setup()
        fs.add_entries({
                '/bin/sh': 'contents',
                '/bin/ls': 'contents',
        ])
        assert(os.listdir('/bin') == ['ls', 'sh'])

        mockfs.teardown()

    """
    mfs = MockFS()
    if entries is not None:
        mfs.add_entries(entries)

    # Install functions
    glob.glob = mfs.glob
    os.chdir = mfs.cwd.chdir
    os.getcwd = mfs.cwd.getcwd
    os.getcwdu = mfs.cwd.getcwdu
    os.listdir = mfs.listdir
    os.makedirs = mfs.makedirs
    os.path.abspath = mfs.abspath
    os.path.exists = mfs.exists
    os.path.lexists = mfs.lexists
    os.path.getsize = mfs.getsize
    os.path.islink = mfs.islink
    os.path.isdir = mfs.isdir
    os.path.isfile = mfs.isfile
    os.listdir = mfs.listdir
    os.mkdir = mfs.mkdir
    os.makedirs = mfs.makedirs
    os.readlink = mfs.readlink
    os.remove = mfs.remove
    os.rmdir = mfs.rmdir
    os.symlink = mfs.symlink
    os.unlink = mfs.remove
    os.walk = mfs.walk
    glob.glob = mfs.glob
    shutil.rmtree = mfs.rmtree

    storage.backend = mfs.backend
    storage.replace_builtins()

    return mfs
Example #2
0
def replace_builtins(entries=None):
    """
    Replace builtin functions with mockfs.

    :param entries: Dictionary mapping paths to content
    :returns: Newly installed :class:`mockfs.MockFS` handler

    >>> import os
    >>> import mockfs
    >>> fs = mockfs.replace_builtins()
    >>> fs.add_entries({
    ...         '/bin/sh': 'contents',
    ...         '/bin/ls': 'contents',
    ... })
    >>> assert(os.listdir('/bin') == ['ls', 'sh'])
    >>> mockfs.restore_builtins()

    """
    mfs = MockFS()
    if entries is not None:
        mfs.add_entries(entries)

    # Install functions
    glob.glob = mfs.glob
    os.chdir = mfs.cwd.chdir
    os.getcwd = mfs.cwd.getcwd
    os.getcwdu = mfs.cwd.getcwdu
    os.listdir = mfs.listdir
    os.makedirs = mfs.makedirs
    os.path.abspath = mfs.abspath
    os.path.exists = mfs.exists
    os.path.getsize = mfs.getsize
    os.path.islink = mfs.islink
    os.path.isdir = mfs.isdir
    os.path.isfile = mfs.isfile
    os.remove = mfs.remove
    os.rmdir = mfs.rmdir
    os.unlink = mfs.remove
    os.walk = mfs.walk
    shutil.rmtree = mfs.rmtree

    storage.backend = mfs.backend
    storage.replace_builtins()

    return mfs
Example #3
0
def replace_builtins(entries=None):
    """
    Replace builtin functions with mockfs.

    :param entries: Dictionary mapping paths to content
    :returns: Newly installed :class:`mockfs.MockFS` handler

    >>> import os
    >>> import mockfs
    >>> fs = mockfs.replace_builtins()
    >>> fs.add_entries({
    ...         '/bin/sh': 'contents',
    ...         '/bin/ls': 'contents',
    ... })
    >>> assert(os.listdir('/bin') == ['ls', 'sh'])
    >>> mockfs.restore_builtins()

    """
    mfs = MockFS()
    if entries is not None:
        mfs.add_entries(entries)

    # Install functions
    glob.glob = mfs.glob
    os.chdir = mfs.cwd.chdir
    os.getcwd = mfs.cwd.getcwd
    os.getcwdu = mfs.cwd.getcwdu
    os.listdir = mfs.listdir
    os.makedirs = mfs.makedirs
    os.path.abspath = mfs.abspath
    os.path.exists = mfs.exists
    os.path.getsize = mfs.getsize
    os.path.islink = mfs.islink
    os.path.isdir = mfs.isdir
    os.path.isfile = mfs.isfile
    os.remove = mfs.remove
    os.rmdir = mfs.rmdir
    os.unlink = mfs.remove
    os.walk = mfs.walk
    shutil.rmtree = mfs.rmtree

    storage.backend = mfs.backend
    storage.replace_builtins()

    return mfs