arc_patterns_python_ch03_abstraction10.py

def test_when_a_file_exists_in_the_source_but_not_the_destination():
    source = {"sha1": "my-file" }
    dest = {}
    filesystem = FakeFileSystem()

    reader = {"/source": source, "/dest": dest}
    synchronise_dirs(reader.pop, filesystem, "/source", "/dest")

    assert filesystem == [("COPY", "/source/my-file", "/dest/my-file")]


def test_when_a_file_has_been_renamed_in_the_source():
    source = {"sha1": "renamed-file" }
    dest = {"sha1": "original-file" }
    filesystem = FakeFileSystem()

    reader = {"/source": source, "/dest": dest}
    synchronise_dirs(reader.pop, filesystem, "/source", "/dest")

    assert filesystem == [("MOVE", "/dest/original-file", "/dest/renamed-file")]