# -*- coding: utf-8 -*-
#
# Copyright (C) 2006 Edgewall Software
# All rights reserved.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at http://markup.edgewall.org/wiki/License.
#
# This software consists of voluntary contributions made by many
# individuals. For the exact contribution history, see the revision
# history and logs, available at http://markup.edgewall.org/log/.

import doctest
import unittest

from markup.input import XML
from markup.path import Path, PathSyntaxError


class PathTestCase(unittest.TestCase):

    def test_error_no_absolute_path(self):
        self.assertRaises(PathSyntaxError, Path, '/root')

    def test_error_unsupported_axis(self):
        self.assertRaises(PathSyntaxError, Path, 'parent::ma')

    def test_1step(self):
        xml = XML('<root><elem/></root>')
        self.assertEqual('<elem/>', Path('elem').select(xml).render())
        self.assertEqual('<elem/>', Path('child::elem').select(xml).render())
        self.assertEqual('<elem/>', Path('//elem').select(xml).render())
        self.assertEqual('<elem/>', Path('descendant::elem').select(xml).render())

    def test_1step_self(self):
        xml = XML('<root><elem/></root>')
        self.assertEqual('<root><elem/></root>', Path('.').select(xml).render())
        #self.assertEqual('<root><elem/></root>', Path('self::node()').select(xml).render())

    def test_1step_wildcard(self):
        xml = XML('<root><elem/></root>')
        self.assertEqual('<elem/>', Path('*').select(xml).render())
        self.assertEqual('<elem/>', Path('child::node()').select(xml).render())
        self.assertEqual('<elem/>', Path('//*').select(xml).render())

    def test_1step_attribute(self):
        self.assertEqual('', Path('@foo').select(XML('<root/>')).render())
        xml = XML('<root foo="bar"/>')
        self.assertEqual('bar', Path('@foo').select(xml).render())
        self.assertEqual('bar', Path('./@foo').select(xml).render())

    def test_1step_text(self):
        xml = XML('<root>Hey</root>')
        self.assertEqual('Hey', Path('text()').select(xml).render())
        self.assertEqual('Hey', Path('./text()').select(xml).render())
        self.assertEqual('Hey', Path('//text()').select(xml).render())
        self.assertEqual('Hey', Path('.//text()').select(xml).render())

    def test_2step(self):
        xml = XML('<root><foo/><bar/></root>')
        self.assertEqual('<foo/><bar/>', Path('*').select(xml).render())
        self.assertEqual('<bar/>', Path('bar').select(xml).render())
        self.assertEqual('', Path('baz').select(xml).render())

    def test_2step_complex(self):
        xml = XML('<root><foo><bar/></foo></root>')
        self.assertEqual('<bar/>', Path('foo/bar').select(xml).render())
        self.assertEqual('<bar/>', Path('foo/*').select(xml).render())

        xml = XML('<root><foo><bar id="1"/></foo><bar id="2"/></root>')
        self.assertEqual('<bar id="1"/><bar id="2"/>',
                         Path('bar').select(xml).render())

    def test_2step_text(self):
        xml = XML('<root><item>Foo</item></root>')
        self.assertEqual('Foo', Path('item/text()').select(xml).render())
        self.assertEqual('Foo', Path('*/text()').select(xml).render())
        self.assertEqual('Foo', Path('//text()').select(xml).render())
        xml = XML('<root><item>Foo</item><item>Bar</item></root>')
        self.assertEqual('FooBar', Path('item/text()').select(xml).render())

    def test_3step(self):
        xml = XML('<root><foo><bar/></foo></root>')
        self.assertEqual('<bar/>', Path('root/foo/*').select(xml).render())

    def test_3step_complex(self):
        xml = XML('<root><foo><bar/></foo></root>')
        self.assertEqual('<bar/>', Path('*/bar').select(xml).render())
        xml = XML('<root><foo><bar id="1"/></foo><bar id="2"/></root>')
        self.assertEqual('<bar id="1"/><bar id="2"/>',
                         Path('//bar').select(xml).render())

    def test_node_type_comment(self):
        xml = XML('<root><!-- commented --></root>')
        self.assertEqual('<!-- commented -->',
                         Path('comment()').select(xml).render())

    def test_node_type_text(self):
        xml = XML('<root>Some text <br/>in here.</root>')
        self.assertEqual('Some text in here.',
                         Path('text()').select(xml).render())

    def test_node_type_node(self):
        xml = XML('<root>Some text <br/>in here.</root>')
        self.assertEqual('Some text <br/>in here.',
                         Path('node()').select(xml).render())

    def test_node_type_processing_instruction(self):
        xml = XML('<?python x = 2 * 3 ?><root><?php echo("x") ?></root>')
        self.assertEqual('<?python x = 2 * 3 ?><?php echo("x") ?>',
                         Path('processing-instruction()').select(xml).render())
        self.assertEqual('<?php echo("x") ?>',
                         Path('processing-instruction("php")').select(xml).render())

    def test_simple_union(self):
        xml = XML('<root>Oh <foo>my</foo></root>')
        self.assertEqual('Oh <foo>my</foo>',
                         Path('*|text()').select(xml).render())

    def test_predicate_attr(self):
        xml = XML('<root><item/><item important="very"/></root>')
        self.assertEqual('<item important="very"/>',
                         Path('root/item[@important]').select(xml).render())
        self.assertEqual('<item important="very"/>',
                         Path('root/item[@important="very"]').select(xml).render())

    def test_predicate_attr_equality(self):
        xml = XML('<root><item/><item important="notso"/></root>')
        self.assertEqual('',
                         Path('root/item[@important="very"]').select(xml).render())
        self.assertEqual('<item/><item important="notso"/>',
                         Path('root/item[@important!="very"]').select(xml).render())

    def test_predicate_attr_and(self):
        xml = XML('<root><item/><item important="very"/></root>')
        path = Path('root/item[@important and @important="very"]')
        self.assertEqual('<item important="very"/>', path.select(xml).render())
        path = Path('root/item[@important and @important="notso"]')
        self.assertEqual('', path.select(xml).render())

    def test_predicate_attr_or(self):
        xml = XML('<root><item/><item important="very"/></root>')
        path = Path('root/item[@urgent or @important]')
        self.assertEqual('<item important="very"/>', path.select(xml).render())
        path = Path('root/item[@urgent or @notso]')
        self.assertEqual('', path.select(xml).render())


def suite():
    suite = unittest.TestSuite()
    suite.addTest(doctest.DocTestSuite(Path.__module__))
    suite.addTest(unittest.makeSuite(PathTestCase, 'test'))
    return suite

if __name__ == '__main__':
    unittest.main(defaultTest='suite')