from __future__ import unicode_literals

from django.test import TestCase
from django.core.validators import ValidationError

from ..settings import oauth2_settings
from ..validators import validate_uris


class TestValidators(TestCase):
    def test_validate_good_uris(self):
        good_uris = 'http://example.com/ http://example.it/?key=val http://example'
        # Check ValidationError not thrown
        validate_uris(good_uris)

    def test_validate_custom_uri_scheme(self):
        oauth2_settings.ALLOWED_REDIRECT_URI_SCHEMES = ['my-scheme', 'http']
        good_uris = 'my-scheme://example.com http://example.com'
        # Check ValidationError not thrown
        validate_uris(good_uris)

    def test_validate_whitespace_separators(self):
        # Check that whitespace can be used as a separator
        good_uris = 'http://example\r\nhttp://example\thttp://example'
        # Check ValidationError not thrown
        validate_uris(good_uris)

    def test_validate_bad_uris(self):
        bad_uri = 'http://example.com/#fragment'
        self.assertRaises(ValidationError, validate_uris, bad_uri)
        bad_uri = 'http:/example.com'
        self.assertRaises(ValidationError, validate_uris, bad_uri)
        bad_uri = 'my-scheme://example.com'
        self.assertRaises(ValidationError, validate_uris, bad_uri)
        bad_uri = 'sdklfsjlfjljdflksjlkfjsdkl'
        self.assertRaises(ValidationError, validate_uris, bad_uri)