# coding=utf-8
"""Tests around :py:mod:`django_downloadview.sendfile`."""
from django.http import Http404
import django.test

from django_downloadview.response import DownloadResponse
from django_downloadview.shortcuts import sendfile


class SendfileTestCase(django.test.TestCase):
    """Tests around :func:`django_downloadview.sendfile.sendfile`."""
    def test_defaults(self):
        """sendfile() takes at least request and filename."""
        request = django.test.RequestFactory().get('/fake-url')
        filename = __file__
        response = sendfile(request, filename)
        self.assertTrue(isinstance(response, DownloadResponse))
        self.assertFalse(response.attachment)

    def test_custom(self):
        """sendfile() accepts various arguments for response tuning."""
        request = django.test.RequestFactory().get('/fake-url')
        filename = __file__
        response = sendfile(request,
                            filename,
                            attachment=True,
                            attachment_filename='toto.txt',
                            mimetype='test/octet-stream',
                            encoding='gzip')
        self.assertTrue(isinstance(response, DownloadResponse))
        self.assertTrue(response.attachment)
        self.assertEqual(response.basename, 'toto.txt')
        self.assertEqual(response['Content-Type'],
                         'test/octet-stream; charset=utf-8')
        self.assertEqual(response.get_encoding(), 'gzip')

    def test_404(self):
        """sendfile() raises Http404 if file does not exists."""
        request = django.test.RequestFactory().get('/fake-url')
        filename = 'i-do-no-exist'
        with self.assertRaises(Http404):
            sendfile(request, filename)