"""
This file demonstrates two different styles of tests (one doctest and one
unittest). These will both pass when you run "manage.py test".

Replace these with more appropriate tests for your application.
"""

from django.test import TestCase
from django.core.urlresolvers import reverse
from testapp.views import ReadOnlyResource, MirroringWriteResource

class AcceptHeaderTests(TestCase):
    def assert_accept_mimetype(self, mimetype, expect=None, expect_match=True):
        """
        Assert that a request with given mimetype in the accept header,
        gives a response with the appropriate content-type.
        """
        if expect is None:
            expect = mimetype

        resp = self.client.get(reverse(ReadOnlyResource), HTTP_ACCEPT=mimetype)

        if expect_match:
            self.assertEquals(resp['content-type'], expect)
        else:
            self.assertNotEquals(resp['content-type'], expect)

    def test_accept_xml(self):
        self.assert_accept_mimetype('application/xml')

    def test_accept_json(self):
        self.assert_accept_mimetype('application/json')

    def test_accept_xml_prefered_to_json(self):
        self.assert_accept_mimetype('application/xml,q=0.9;application/json,q=0.1', expect='application/xml')

    def test_accept_json_prefered_to_xml(self):
        self.assert_accept_mimetype('application/json,q=0.9;application/xml,q=0.1', expect='application/json')

    def test_dont_accept_invalid(self):
        self.assert_accept_mimetype('application/invalid', expect_match=False)

    def test_invalid_accept_header_returns_406(self):
        resp = self.client.get(reverse(ReadOnlyResource), HTTP_ACCEPT='invalid/invalid')
        self.assertEquals(resp.status_code, 406)

class AllowedMethodsTests(TestCase):
    def test_write_on_read_only_resource_returns_405(self):
        resp = self.client.put(reverse(ReadOnlyResource), {})
        self.assertEquals(resp.status_code, 405)

    def test_read_on_write_only_resource_returns_405(self):
        resp = self.client.get(reverse(MirroringWriteResource))
        self.assertEquals(resp.status_code, 405)