from django.template.defaultfilters import urlize
from django.test import SimpleTestCase
from django.utils.functional import lazy
from django.utils.safestring import mark_safe

from ..utils import setup


class UrlizeTests(SimpleTestCase):

    @setup({'urlize01': '{% autoescape off %}{{ a|urlize }} {{ b|urlize }}{% endautoescape %}'})
    def test_urlize01(self):
        output = self.engine.render_to_string(
            'urlize01',
            {'a': 'http://example.com/?x=&y=', 'b': mark_safe('http://example.com?x=&amp;y=&lt;2&gt;')},
        )
        self.assertEqual(
            output,
            '<a href="http://example.com/?x=&amp;y=" rel="nofollow">http://example.com/?x=&y=</a> '
            '<a href="http://example.com?x=&amp;y=%3C2%3E" rel="nofollow">http://example.com?x=&amp;y=&lt;2&gt;</a>'
        )

    @setup({'urlize02': '{{ a|urlize }} {{ b|urlize }}'})
    def test_urlize02(self):
        output = self.engine.render_to_string(
            'urlize02',
            {'a': "http://example.com/?x=&y=", 'b': mark_safe("http://example.com?x=&amp;y=")},
        )
        self.assertEqual(
            output,
            '<a href="http://example.com/?x=&amp;y=" rel="nofollow">http://example.com/?x=&amp;y=</a> '
            '<a href="http://example.com?x=&amp;y=" rel="nofollow">http://example.com?x=&amp;y=</a>'
        )

    @setup({'urlize03': '{% autoescape off %}{{ a|urlize }}{% endautoescape %}'})
    def test_urlize03(self):
        output = self.engine.render_to_string('urlize03', {'a': mark_safe("a &amp; b")})
        self.assertEqual(output, 'a &amp; b')

    @setup({'urlize04': '{{ a|urlize }}'})
    def test_urlize04(self):
        output = self.engine.render_to_string('urlize04', {'a': mark_safe("a &amp; b")})
        self.assertEqual(output, 'a &amp; b')

    # This will lead to a nonsense result, but at least it won't be
    # exploitable for XSS purposes when auto-escaping is on.
    @setup({'urlize05': '{% autoescape off %}{{ a|urlize }}{% endautoescape %}'})
    def test_urlize05(self):
        output = self.engine.render_to_string('urlize05', {'a': "<script>alert('foo')</script>"})
        self.assertEqual(output, "<script>alert('foo')</script>")

    @setup({'urlize06': '{{ a|urlize }}'})
    def test_urlize06(self):
        output = self.engine.render_to_string('urlize06', {'a': "<script>alert('foo')</script>"})
        self.assertEqual(output, '&lt;script&gt;alert(&#x27;foo&#x27;)&lt;/script&gt;')

    # mailto: testing for urlize
    @setup({'urlize07': '{{ a|urlize }}'})
    def test_urlize07(self):
        output = self.engine.render_to_string('urlize07', {'a': "Email me at me@example.com"})
        self.assertEqual(
            output,
            'Email me at <a href="mailto:me@example.com">me@example.com</a>',
        )

    @setup({'urlize08': '{{ a|urlize }}'})
    def test_urlize08(self):
        output = self.engine.render_to_string('urlize08', {'a': "Email me at <me@example.com>"})
        self.assertEqual(
            output,
            'Email me at &lt;<a href="mailto:me@example.com">me@example.com</a>&gt;',
        )

    @setup({'urlize09': '{% autoescape off %}{{ a|urlize }}{% endautoescape %}'})
    def test_urlize09(self):
        output = self.engine.render_to_string('urlize09', {'a': "http://example.com/?x=&amp;y=&lt;2&gt;"})
        self.assertEqual(
            output,
            '<a href="http://example.com/?x=&amp;y=%3C2%3E" rel="nofollow">http://example.com/?x=&amp;y=&lt;2&gt;</a>',
        )


class FunctionTests(SimpleTestCase):

    def test_urls(self):
        self.assertEqual(
            urlize('http://google.com'),
            '<a href="http://google.com" rel="nofollow">http://google.com</a>',
        )
        self.assertEqual(
            urlize('http://google.com/'),
            '<a href="http://google.com/" rel="nofollow">http://google.com/</a>',
        )
        self.assertEqual(
            urlize('www.google.com'),
            '<a href="http://www.google.com" rel="nofollow">www.google.com</a>',
        )
        self.assertEqual(
            urlize('djangoproject.org'),
            '<a href="http://djangoproject.org" rel="nofollow">djangoproject.org</a>',
        )
        self.assertEqual(
            urlize('djangoproject.org/'),
            '<a href="http://djangoproject.org/" rel="nofollow">djangoproject.org/</a>',
        )

    def test_url_split_chars(self):
        # Quotes (single and double) and angle brackets shouldn't be considered
        # part of URLs.
        self.assertEqual(
            urlize('www.server.com"abc'),
            '<a href="http://www.server.com" rel="nofollow">www.server.com</a>&quot;abc',
        )
        self.assertEqual(
            urlize('www.server.com\'abc'),
            '<a href="http://www.server.com" rel="nofollow">www.server.com</a>&#x27;abc',
        )
        self.assertEqual(
            urlize('www.server.com<abc'),
            '<a href="http://www.server.com" rel="nofollow">www.server.com</a>&lt;abc',
        )
        self.assertEqual(
            urlize('www.server.com>abc'),
            '<a href="http://www.server.com" rel="nofollow">www.server.com</a>&gt;abc',
        )

    def test_email(self):
        self.assertEqual(
            urlize('info@djangoproject.org'),
            '<a href="mailto:info@djangoproject.org">info@djangoproject.org</a>',
        )

    def test_word_with_dot(self):
        self.assertEqual(urlize('some.organization'), 'some.organization'),

    def test_https(self):
        self.assertEqual(
            urlize('https://google.com'),
            '<a href="https://google.com" rel="nofollow">https://google.com</a>',
        )

    def test_quoting(self):
        """
        #9655 - Check urlize doesn't overquote already quoted urls. The
        teststring is the urlquoted version of 'http://hi.baidu.com/重新开始'
        """
        self.assertEqual(
            urlize('http://hi.baidu.com/%E9%87%8D%E6%96%B0%E5%BC%80%E5%A7%8B'),
            '<a href="http://hi.baidu.com/%E9%87%8D%E6%96%B0%E5%BC%80%E5%A7%8B" rel="nofollow">'
            'http://hi.baidu.com/%E9%87%8D%E6%96%B0%E5%BC%80%E5%A7%8B</a>',
        )

    def test_urlencoded(self):
        self.assertEqual(
            urlize('www.mystore.com/30%OffCoupons!'),
            '<a href="http://www.mystore.com/30%25OffCoupons" rel="nofollow">'
            'www.mystore.com/30%OffCoupons</a>!',
        )
        self.assertEqual(
            urlize('https://en.wikipedia.org/wiki/Caf%C3%A9'),
            '<a href="https://en.wikipedia.org/wiki/Caf%C3%A9" rel="nofollow">'
            'https://en.wikipedia.org/wiki/Caf%C3%A9</a>',
        )

    def test_unicode(self):
        self.assertEqual(
            urlize('https://en.wikipedia.org/wiki/Café'),
            '<a href="https://en.wikipedia.org/wiki/Caf%C3%A9" rel="nofollow">'
            'https://en.wikipedia.org/wiki/Café</a>',
        )

    def test_parenthesis(self):
        """
        #11911 - Check urlize keeps balanced parentheses
        """
        self.assertEqual(
            urlize('https://en.wikipedia.org/wiki/Django_(web_framework)'),
            '<a href="https://en.wikipedia.org/wiki/Django_(web_framework)" rel="nofollow">'
            'https://en.wikipedia.org/wiki/Django_(web_framework)</a>',
        )
        self.assertEqual(
            urlize('(see https://en.wikipedia.org/wiki/Django_(web_framework))'),
            '(see <a href="https://en.wikipedia.org/wiki/Django_(web_framework)" rel="nofollow">'
            'https://en.wikipedia.org/wiki/Django_(web_framework)</a>)',
        )

    def test_nofollow(self):
        """
        #12183 - Check urlize adds nofollow properly - see #12183
        """
        self.assertEqual(
            urlize('foo@bar.com or www.bar.com'),
            '<a href="mailto:foo@bar.com">foo@bar.com</a> or '
            '<a href="http://www.bar.com" rel="nofollow">www.bar.com</a>',
        )

    def test_idn(self):
        """
        #13704 - Check urlize handles IDN correctly
        """
        self.assertEqual(urlize('http://c✶.ws'), '<a href="http://xn--c-lgq.ws" rel="nofollow">http://c✶.ws</a>')
        self.assertEqual(urlize('www.c✶.ws'), '<a href="http://www.xn--c-lgq.ws" rel="nofollow">www.c✶.ws</a>')
        self.assertEqual(urlize('c✶.org'), '<a href="http://xn--c-lgq.org" rel="nofollow">c✶.org</a>')
        self.assertEqual(urlize('info@c✶.org'), '<a href="mailto:info@xn--c-lgq.org">info@c✶.org</a>')

    def test_malformed(self):
        """
        #16395 - Check urlize doesn't highlight malformed URIs
        """
        self.assertEqual(urlize('http:///www.google.com'), 'http:///www.google.com')
        self.assertEqual(urlize('http://.google.com'), 'http://.google.com')
        self.assertEqual(urlize('http://@foo.com'), 'http://@foo.com')

    def test_tlds(self):
        """
        #16656 - Check urlize accepts more TLDs
        """
        self.assertEqual(urlize('usa.gov'), '<a href="http://usa.gov" rel="nofollow">usa.gov</a>')

    def test_invalid_email(self):
        """
        #17592 - Check urlize don't crash on invalid email with dot-starting
        domain
        """
        self.assertEqual(urlize('email@.stream.ru'), 'email@.stream.ru')

    def test_uppercase(self):
        """
        #18071 - Check urlize accepts uppercased URL schemes
        """
        self.assertEqual(
            urlize('HTTPS://github.com/'),
            '<a href="https://github.com/" rel="nofollow">HTTPS://github.com/</a>',
        )

    def test_trailing_period(self):
        """
        #18644 - Check urlize trims trailing period when followed by parenthesis
        """
        self.assertEqual(
            urlize('(Go to http://www.example.com/foo.)'),
            '(Go to <a href="http://www.example.com/foo" rel="nofollow">http://www.example.com/foo</a>.)',
        )

    def test_trailing_multiple_punctuation(self):
        self.assertEqual(
            urlize('A test http://testing.com/example..'),
            'A test <a href="http://testing.com/example" rel="nofollow">http://testing.com/example</a>..'
        )
        self.assertEqual(
            urlize('A test http://testing.com/example!!'),
            'A test <a href="http://testing.com/example" rel="nofollow">http://testing.com/example</a>!!'
        )
        self.assertEqual(
            urlize('A test http://testing.com/example!!!'),
            'A test <a href="http://testing.com/example" rel="nofollow">http://testing.com/example</a>!!!'
        )
        self.assertEqual(
            urlize('A test http://testing.com/example.,:;)"!'),
            'A test <a href="http://testing.com/example" rel="nofollow">http://testing.com/example</a>.,:;)&quot;!'
        )

    def test_brackets(self):
        """
        #19070 - Check urlize handles brackets properly
        """
        self.assertEqual(
            urlize('[see www.example.com]'),
            '[see <a href="http://www.example.com" rel="nofollow">www.example.com</a>]',
        )
        self.assertEqual(
            urlize('see test[at[example.com'),
            'see <a href="http://test[at[example.com" rel="nofollow">test[at[example.com</a>',
        )
        self.assertEqual(
            urlize('[http://168.192.0.1](http://168.192.0.1)'),
            '[<a href="http://168.192.0.1](http://168.192.0.1)" rel="nofollow">'
            'http://168.192.0.1](http://168.192.0.1)</a>',
        )

    def test_wrapping_characters(self):
        wrapping_chars = (
            ('()', ('(', ')')),
            ('<>', ('&lt;', '&gt;')),
            ('[]', ('[', ']')),
            ('""', ('&quot;', '&quot;')),
            ("''", ('&#x27;', '&#x27;')),
        )
        for wrapping_in, (start_out, end_out) in wrapping_chars:
            with self.subTest(wrapping_in=wrapping_in):
                start_in, end_in = wrapping_in
                self.assertEqual(
                    urlize(start_in + 'https://www.example.org/' + end_in),
                    start_out +
                    '<a href="https://www.example.org/" rel="nofollow">https://www.example.org/</a>' +
                    end_out,
                )

    def test_ipv4(self):
        self.assertEqual(
            urlize('http://192.168.0.15/api/9'),
            '<a href="http://192.168.0.15/api/9" rel="nofollow">http://192.168.0.15/api/9</a>',
        )

    def test_ipv6(self):
        self.assertEqual(
            urlize('http://[2001:db8:cafe::2]/api/9'),
            '<a href="http://[2001:db8:cafe::2]/api/9" rel="nofollow">http://[2001:db8:cafe::2]/api/9</a>',
        )

    def test_quotation_marks(self):
        """
        #20364 - Check urlize correctly include quotation marks in links
        """
        self.assertEqual(
            urlize('before "hi@example.com" afterward', autoescape=False),
            'before "<a href="mailto:hi@example.com">hi@example.com</a>" afterward',
        )
        self.assertEqual(
            urlize('before hi@example.com" afterward', autoescape=False),
            'before <a href="mailto:hi@example.com">hi@example.com</a>" afterward',
        )
        self.assertEqual(
            urlize('before "hi@example.com afterward', autoescape=False),
            'before "<a href="mailto:hi@example.com">hi@example.com</a> afterward',
        )
        self.assertEqual(
            urlize('before \'hi@example.com\' afterward', autoescape=False),
            'before \'<a href="mailto:hi@example.com">hi@example.com</a>\' afterward',
        )
        self.assertEqual(
            urlize('before hi@example.com\' afterward', autoescape=False),
            'before <a href="mailto:hi@example.com">hi@example.com</a>\' afterward',
        )
        self.assertEqual(
            urlize('before \'hi@example.com afterward', autoescape=False),
            'before \'<a href="mailto:hi@example.com">hi@example.com</a> afterward',
        )

    def test_quote_commas(self):
        """
        #20364 - Check urlize copes with commas following URLs in quotes
        """
        self.assertEqual(
            urlize('Email us at "hi@example.com", or phone us at +xx.yy', autoescape=False),
            'Email us at "<a href="mailto:hi@example.com">hi@example.com</a>", or phone us at +xx.yy',
        )

    def test_exclamation_marks(self):
        """
        #23715 - Check urlize correctly handles exclamation marks after TLDs
        or query string
        """
        self.assertEqual(
            urlize('Go to djangoproject.com! and enjoy.'),
            'Go to <a href="http://djangoproject.com" rel="nofollow">djangoproject.com</a>! and enjoy.',
        )
        self.assertEqual(
            urlize('Search for google.com/?q=! and see.'),
            'Search for <a href="http://google.com/?q=" rel="nofollow">google.com/?q=</a>! and see.',
        )
        self.assertEqual(
            urlize('Search for google.com/?q=dj!`? and see.'),
            'Search for <a href="http://google.com/?q=dj%21%60%3F" rel="nofollow">google.com/?q=dj!`?</a> and see.',
        )
        self.assertEqual(
            urlize('Search for google.com/?q=dj!`?! and see.'),
            'Search for <a href="http://google.com/?q=dj%21%60%3F" rel="nofollow">google.com/?q=dj!`?</a>! and see.',
        )

    def test_non_string_input(self):
        self.assertEqual(urlize(123), '123')

    def test_autoescape(self):
        self.assertEqual(
            urlize('foo<a href=" google.com ">bar</a>buz'),
            'foo&lt;a href=&quot; <a href="http://google.com" rel="nofollow">google.com</a> &quot;&gt;bar&lt;/a&gt;buz'
        )

    def test_autoescape_off(self):
        self.assertEqual(
            urlize('foo<a href=" google.com ">bar</a>buz', autoescape=False),
            'foo<a href=" <a href="http://google.com" rel="nofollow">google.com</a> ">bar</a>buz',
        )

    def test_lazystring(self):
        prepend_www = lazy(lambda url: 'www.' + url, str)
        self.assertEqual(
            urlize(prepend_www('google.com')),
            '<a href="http://www.google.com" rel="nofollow">www.google.com</a>',
        )
