99 lines
4.2 KiB
Python
99 lines
4.2 KiB
Python
import io
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import os
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import sys
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import tempfile
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from unittest import skipIf
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from django.core.files.base import ContentFile
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from django.http import FileResponse
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from django.test import SimpleTestCase
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class FileResponseTests(SimpleTestCase):
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def test_file_from_disk_response(self):
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response = FileResponse(open(__file__, 'rb'))
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self.assertEqual(response.headers['Content-Length'], str(os.path.getsize(__file__)))
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self.assertIn(response.headers['Content-Type'], ['text/x-python', 'text/plain'])
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self.assertEqual(
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response.headers['Content-Disposition'],
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'inline; filename="test_fileresponse.py"',
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)
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response.close()
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def test_file_from_buffer_response(self):
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response = FileResponse(io.BytesIO(b'binary content'))
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self.assertEqual(response.headers['Content-Length'], '14')
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self.assertEqual(response.headers['Content-Type'], 'application/octet-stream')
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self.assertFalse(response.has_header('Content-Disposition'))
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self.assertEqual(list(response), [b'binary content'])
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def test_file_from_buffer_unnamed_attachment(self):
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response = FileResponse(io.BytesIO(b'binary content'), as_attachment=True)
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self.assertEqual(response.headers['Content-Length'], '14')
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self.assertEqual(response.headers['Content-Type'], 'application/octet-stream')
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self.assertEqual(response.headers['Content-Disposition'], 'attachment')
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self.assertEqual(list(response), [b'binary content'])
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@skipIf(sys.platform == 'win32', "Named pipes are Unix-only.")
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def test_file_from_named_pipe_response(self):
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with tempfile.TemporaryDirectory() as temp_dir:
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pipe_file = os.path.join(temp_dir, 'named_pipe')
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os.mkfifo(pipe_file)
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pipe_for_read = os.open(pipe_file, os.O_RDONLY | os.O_NONBLOCK)
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with open(pipe_file, 'wb') as pipe_for_write:
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pipe_for_write.write(b'binary content')
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response = FileResponse(os.fdopen(pipe_for_read, mode='rb'))
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self.assertEqual(list(response), [b'binary content'])
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response.close()
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self.assertFalse(response.has_header('Content-Length'))
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def test_file_from_disk_as_attachment(self):
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response = FileResponse(open(__file__, 'rb'), as_attachment=True)
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self.assertEqual(response.headers['Content-Length'], str(os.path.getsize(__file__)))
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self.assertIn(response.headers['Content-Type'], ['text/x-python', 'text/plain'])
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self.assertEqual(
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response.headers['Content-Disposition'],
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'attachment; filename="test_fileresponse.py"',
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)
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response.close()
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def test_compressed_response(self):
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"""
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If compressed responses are served with the uncompressed Content-Type
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and a compression Content-Encoding, browsers might automatically
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uncompress the file, which is most probably not wanted.
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"""
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test_tuples = (
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('.tar.gz', 'application/gzip'),
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('.tar.bz2', 'application/x-bzip'),
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('.tar.xz', 'application/x-xz'),
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)
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for extension, mimetype in test_tuples:
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with self.subTest(ext=extension):
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with tempfile.NamedTemporaryFile(suffix=extension) as tmp:
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response = FileResponse(tmp)
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self.assertEqual(response.headers['Content-Type'], mimetype)
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self.assertFalse(response.has_header('Content-Encoding'))
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def test_unicode_attachment(self):
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response = FileResponse(
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ContentFile(b'binary content', name="祝您平安.odt"), as_attachment=True,
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content_type='application/vnd.oasis.opendocument.text',
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)
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self.assertEqual(
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response.headers['Content-Type'],
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'application/vnd.oasis.opendocument.text',
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)
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self.assertEqual(
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response.headers['Content-Disposition'],
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"attachment; filename*=utf-8''%E7%A5%9D%E6%82%A8%E5%B9%B3%E5%AE%89.odt"
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)
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def test_repr(self):
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response = FileResponse(io.BytesIO(b'binary content'))
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self.assertEqual(
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repr(response),
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'<FileResponse status_code=200, "application/octet-stream">',
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)
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