#
# Copyright (C) 2012-2016 Ben Kurtovic <ben.kurtovic@gmail.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# SOFTWARE.

import pytest

from mwparserfromhell.nodes import Comment

from ._test_tree_equality import TreeEqualityTestCase

class TestComment(TreeEqualityTestCase):
    """Test cases for the Comment node."""

    def test_unicode(self):
        """test Comment.__unicode__()"""
        node = Comment("foobar")
        assert "<!--foobar-->" == str(node)

    def test_children(self):
        """test Comment.__children__()"""
        node = Comment("foobar")
        gen = node.__children__()
        with pytest.raises(StopIteration):
            next(gen)

    def test_strip(self):
        """test Comment.__strip__()"""
        node = Comment("foobar")
        assert node.__strip__() is None

    def test_showtree(self):
        """test Comment.__showtree__()"""
        output = []
        node = Comment("foobar")
        node.__showtree__(output.append, None, None)
        assert ["<!--foobar-->"] == output

    def test_contents(self):
        """test getter/setter for the contents attribute"""
        node = Comment("foobar")
        assert "foobar" == node.contents
        node.contents = "barfoo"
        assert "barfoo" == node.contents