"""
Tests for :py:mod:`domains.forms`.

"""
from __future__ import absolute_import, unicode_literals

from mock import MagicMock, Mock, patch

from django.core.urlresolvers import reverse
from django.forms import ValidationError
from django.test import TestCase
from django.utils.translation import ugettext as _

from domains.forms import relative_domain_validator, CreateHostingDomainForm


class RelativeDomainValidatorTest(TestCase):

    def test_valid_domainname(self):
        relative_domain_validator('example.org')

    def test_domain_name_too_long(self):
        with self.assertRaisesMessage(
                ValidationError, _('host name too long')):
            relative_domain_validator('e' * 255)

    def test_domain_name_part_too_long(self):
        with self.assertRaisesMessage(
                ValidationError, _('invalid domain name')):
            relative_domain_validator('a' * 64 + '.org')

    def test_domain_name_illegal_characters(self):
        with self.assertRaisesMessage(
                ValidationError, _('invalid domain name')):
            relative_domain_validator('eXampl3.org')

    def test_domain_name_starts_with_dash(self):
        with self.assertRaisesMessage(
                ValidationError, _('invalid domain name')):
            relative_domain_validator('-example.org')

    def test_domain_name_ends_with_dash(self):
        with self.assertRaisesMessage(
                ValidationError, _('invalid domain name')):
            relative_domain_validator('example-.org')


class CreateHostingDomainFormTest(TestCase):

    def test_constructor_needs_hostingpackage(self):
        instance = MagicMock()
        with self.assertRaises(KeyError):
            CreateHostingDomainForm(instance)

    def test_constructor(self):
        hostingpackage = Mock(id=42)
        instance = MagicMock()
        form = CreateHostingDomainForm(instance, hostingpackage=hostingpackage)
        self.assertTrue(hasattr(form, 'hosting_package'))
        self.assertEqual(form.hosting_package, hostingpackage)
        self.assertTrue(hasattr(form, 'helper'))
        self.assertEqual(form.helper.form_action, reverse(
            'create_hosting_domain', kwargs={'package': 42}))
        self.assertEqual(len(form.helper.layout.fields), 2)
        self.assertEqual(form.helper.layout.fields[1].name, 'submit')

    def test_domain_field_has_relative_domain_validator(self):
        hostingpackage = Mock(id=42)
        instance = MagicMock()
        form = CreateHostingDomainForm(instance, hostingpackage=hostingpackage)
        self.assertIn(
            relative_domain_validator, form.fields['domain'].validators)

    def test_clean(self):
        hostingpackage = Mock(id=42)
        instance = MagicMock()
        form = CreateHostingDomainForm(
            instance, hostingpackage=hostingpackage,
            data={'domain': 'example.org'})
        self.assertTrue(form.is_valid())
        self.assertIn('hosting_package', form.cleaned_data)
        self.assertEqual(hostingpackage, form.cleaned_data['hosting_package'])

    def test_save(self):
        hostingpackage = Mock(id=42)
        instance = MagicMock()
        form = CreateHostingDomainForm(
            instance, hostingpackage=hostingpackage,
            data={'domain': 'example.org'})
        self.assertTrue(form.is_valid())
        with patch('domains.forms.HostingDomain') as domain:
            form.save()
            domain.objects.create_for_hosting_package.assert_called_with(
                commit=True, **form.cleaned_data)
            form.save(commit=False)
            domain.objects.create_for_hosting_package.assert_called_with(
                commit=False, **form.cleaned_data)

    def test_save_m2m(self):
        hostingpackage = Mock(id=42)
        instance = MagicMock()
        form = CreateHostingDomainForm(
            instance, hostingpackage=hostingpackage,
            data={'domain': 'example.org'})
        form.save_m2m()