How to use the invocations.packaging.release.Changelog function in invocations

def needs_release(self):
            expected = "\x1b[31m\u2718 needs :release: entry\x1b(B\x1b[m"
            assert Changelog.NEEDS_RELEASE.value == expected

def changelog_and_version_okay_tag_needs_cut(self):
                        _expect_actions(
                            self,
                            Changelog.OKAY,
                            VersionFile.OKAY,
                            Tag.NEEDS_CUTTING,
                        )

def returns_lexica_for_reuse(self):
            actions = Lexicon(
                changelog=Changelog.NEEDS_RELEASE,
                version=VersionFile.NEEDS_BUMP,
                tag=Tag.NEEDS_CUTTING,
            )
            found_actions, found_state = _mock_status(self)
            assert found_actions == actions
            # Spot check state, don't need to check whole thing...
            assert found_state.branch == self._branch
            assert found_state.latest_version == Version("1.1.1")
            assert found_state.tags == [Version(x) for x in self._tags]

if state.unreleased_issues:
        state.expected_version = next_version

    #
    # Logic determination / convergence
    #

    actions = Lexicon()

    # Changelog: needs new release entry if there are any unreleased issues for
    # current branch's line.
    # TODO: annotate with number of released issues [of each type?] - so not
    # just "up to date!" but "all set (will release 3 features & 5 bugs)"
    actions.changelog = Changelog.OKAY
    if release_type in (Release.BUGFIX, Release.FEATURE) and issues:
        actions.changelog = Changelog.NEEDS_RELEASE

    # Version file: simply whether version file equals the target version.
    # TODO: corner case of 'version file is >1 release in the future', but
    # that's still wrong, just would be a different 'bad' status output.
    actions.version = VersionFile.OKAY
    if state.current_version != state.expected_version:
        actions.version = VersionFile.NEEDS_BUMP

    # Git tag: similar to version file, except the check is existence of tag
    # instead of comparison to file contents. We even reuse the
    # 'expected_version' variable wholesale.
    actions.tag = Tag.OKAY
    if state.expected_version not in state.tags:
        actions.tag = Tag.NEEDS_CUTTING

    #

state.next_version = next_version
    state.expected_version = latest_version
    if state.unreleased_issues:
        state.expected_version = next_version

    #
    # Logic determination / convergence
    #

    actions = Lexicon()

    # Changelog: needs new release entry if there are any unreleased issues for
    # current branch's line.
    # TODO: annotate with number of released issues [of each type?] - so not
    # just "up to date!" but "all set (will release 3 features & 5 bugs)"
    actions.changelog = Changelog.OKAY
    if release_type in (Release.BUGFIX, Release.FEATURE) and issues:
        actions.changelog = Changelog.NEEDS_RELEASE

    # Version file: simply whether version file equals the target version.
    # TODO: corner case of 'version file is >1 release in the future', but
    # that's still wrong, just would be a different 'bad' status output.
    actions.version = VersionFile.OKAY
    if state.current_version != state.expected_version:
        actions.version = VersionFile.NEEDS_BUMP

    # Git tag: similar to version file, except the check is existence of tag
    # instead of comparison to file contents. We even reuse the
    # 'expected_version' variable wholesale.
    actions.tag = Tag.OKAY
    if state.expected_version not in state.tags:
        actions.tag = Tag.NEEDS_CUTTING