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"""
    test_util_docstrings
    ~~~~~~~~~~~~~~~~~~~~

    Test sphinx.util.docstrings.

    :copyright: Copyright 2007-2016 by the Sphinx team, see AUTHORS.
    :license: BSD, see LICENSE for details.
"""

from sphinx.util.docstrings import (
    extract_metadata, prepare_docstring, prepare_commentdoc
)


def test_extract_metadata():
    metadata = extract_metadata(":meta foo: bar\n"
                                ":meta baz:\n")
    assert metadata == {'foo': 'bar', 'baz': ''}

    # field_list like text following just after paragaph is not a field_list
    metadata = extract_metadata("blah blah blah\n"
                                ":meta foo: bar\n"
                                ":meta baz:\n")
    assert metadata == {}

    # field_list like text following after blank line is a field_list
    metadata = extract_metadata("blah blah blah\n"
                                "\n"
                                ":meta foo: bar\n"
                                ":meta baz:\n")
    assert metadata == {'foo': 'bar', 'baz': ''}

    # non field_list item breaks field_list
    metadata = extract_metadata(":meta foo: bar\n"
                                "blah blah blah\n"
                                ":meta baz:\n")
    assert metadata == {'foo': 'bar'}


def test_prepare_docstring():
    docstring = """multiline docstring

                Lorem ipsum dolor sit amet, consectetur adipiscing elit,
                sed do eiusmod tempor incididunt ut labore et dolore magna
                aliqua::

                  Ut enim ad minim veniam, quis nostrud exercitation
                    ullamco laboris nisi ut aliquip ex ea commodo consequat.
                """

    assert (prepare_docstring(docstring) ==
            ["multiline docstring",
             "",
             "Lorem ipsum dolor sit amet, consectetur adipiscing elit,",
             "sed do eiusmod tempor incididunt ut labore et dolore magna",
             "aliqua::",
             "",
             "  Ut enim ad minim veniam, quis nostrud exercitation",
             "    ullamco laboris nisi ut aliquip ex ea commodo consequat.",
             ""])
    assert (prepare_docstring(docstring, 5) ==
            ["multiline docstring",
             "",
             "Lorem ipsum dolor sit amet, consectetur adipiscing elit,",
             "sed do eiusmod tempor incididunt ut labore et dolore magna",
             "aliqua::",
             "",
             "Ut enim ad minim veniam, quis nostrud exercitation",
             "  ullamco laboris nisi ut aliquip ex ea commodo consequat.",
             ""])

    docstring = """

                multiline docstring with leading empty lines
                """
    assert (prepare_docstring(docstring) ==
            ["multiline docstring with leading empty lines",
             ""])

    docstring = "single line docstring"
    assert (prepare_docstring(docstring) ==
            ["single line docstring",
             ""])


def test_prepare_commentdoc():
    assert prepare_commentdoc("hello world") == []
    assert prepare_commentdoc("#: hello world") == ["hello world", ""]
    assert prepare_commentdoc("#:  hello world") == [" hello world", ""]
    assert prepare_commentdoc("#: hello\n#: world\n") == ["hello", "world", ""]