def test_setting_file_for_download_includes_a_content_length_header(self):
response = Response()
with NamedTemporaryFile() as tmpfile:
tmpfile.write(b'foobar')
tmpfile.seek(0)
response.file(tmpfile.name, download=True, name='image.png')
self.assertEqual(response.headers['Content-Length'], '6')
def test_setting_file_for_download(self):
response = Response()
with NamedTemporaryFile() as tmpfile:
response.file(tmpfile.name, download=True)
filename = os.path.basename(tmpfile.name)
self.assertEqual(response.headers['Content-Disposition'],
'attachment; filename="{}"'.format(filename))
def test_setting_file_without_extension_changes_content_type_to_octet_stream(
self):
response = Response()
with NamedTemporaryFile() as tmpfile:
response.file(tmpfile.name)
self.assertEqual(response.headers['Content-Type'],
'application/octet-stream')
def test_setting_file_without_name_puts_the_path_filename_in_the_header(
self):
response = Response()
with NamedTemporaryFile(suffix='.png') as tmpfile:
response.file(tmpfile.name)
filename = os.path.basename(tmpfile.name)
self.assertEqual(response.headers['Content-Disposition'],
'inline; filename="{}"'.format(filename))
def test_file_gets_returned_as_generator_to_wsgi(self):
response = Response()
with NamedTemporaryFile() as tmpfile:
tmpfile.write(b'hello world')
tmpfile.seek(0)
response.file(tmpfile.name)
start_respose = Mock()
self.assertIsInstance(response.wsgi(start_respose), GeneratorType)
def test_all_file_contents_are_yielded_by_its_generator(self):
response = Response()
with NamedTemporaryFile() as tmpfile:
tmpfile.write(b'hello world')
tmpfile.seek(0)
response.file(tmpfile.name)
start_respose = Mock()
file_generator = response.wsgi(start_respose)
contents = b''
for chunk in file_generator:
contents += chunk
self.assertEqual(contents, b'hello world')
def test_setting_inexistent_file_for_download_triggers_exception(self):
response = Response()
with self.assertRaises(FileNotFoundError):
response.file('foobar.file')
def test_setting_file_for_download_with_name(self):
response = Response()
with NamedTemporaryFile() as tmpfile:
response.file(tmpfile.name, download=True, name='image.png')
self.assertEqual(response.headers['Content-Disposition'],
'attachment; filename="image.png"')
def test_setting_file_with_name(self):
response = Response()
with NamedTemporaryFile() as tmpfile:
response.file(tmpfile.name, name='image.png')
self.assertEqual(response.headers['Content-Disposition'],
'inline; filename="image.png"')
def test_setting_file_without_specified_mime_type_makes_it_guess(self):
response = Response()
with NamedTemporaryFile(suffix='.png') as tmpfile:
response.file(tmpfile.name)
self.assertEqual(response.headers['Content-Type'], 'image/png')
def test_setting_file_with_specified_mime_type(self):
response = Response()
with NamedTemporaryFile() as tmpfile:
response.file(tmpfile.name, type='image/png')
self.assertEqual(response.headers['Content-Type'], 'image/png')