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# -*- coding: utf-8 -*-
from __future__ import absolute_import
import os
import unittest
import filetype
# Absolute path to fixtures directory
FIXTURES = os.path.dirname(os.path.abspath(__file__)) + '/fixtures'
class TestFileType(unittest.TestCase):
def test_guess_file_path(self):
kind = filetype.guess(FIXTURES + '/sample.jpg')
self.assertTrue(kind is not None)
self.assertEqual(kind.mime, 'image/jpeg')
self.assertEqual(kind.extension, 'jpg')
def test_guess_buffer(self):
buf = bytearray([0xFF, 0xD8, 0xFF, 0x00, 0x08])
kind = filetype.guess(buf)
self.assertTrue(kind is not None)
self.assertEqual(kind.mime, 'image/jpeg')
self.assertEqual(kind.extension, 'jpg')
def test_guess_buffer_invalid(self):
buf = bytearray([0xFF, 0x00, 0x00, 0x00, 0x00])
kind = filetype.guess(buf)
self.assertTrue(kind is None)
def test_guess_memoryview(self):
buf = memoryview(bytearray([0xFF, 0xD8, 0xFF, 0x00, 0x08]))
kind = filetype.guess(buf)
self.assertTrue(kind is not None)
self.assertEqual(kind.mime, 'image/jpeg')
self.assertEqual(kind.extension, 'jpg')
class TestFileTypeExtension(unittest.TestCase):
def test_guess_extension_file_path(self):
ext = filetype.guess_extension(FIXTURES + '/sample.jpg')
self.assertTrue(ext is not None)
self.assertEqual(ext, 'jpg')
def test_guess_extension_buffer(self):
buf = bytearray([0xFF, 0xD8, 0xFF, 0x00, 0x08])
ext = filetype.guess_extension(buf)
self.assertTrue(ext is not None)
self.assertEqual(ext, 'jpg')
def test_guess_extension_buffer_invalid(self):
buf = bytearray([0xFF, 0x00, 0x00, 0x00, 0x00])
ext = filetype.guess_extension(buf)
self.assertTrue(ext is None)
def test_guess_extension_memoryview(self):
buf = memoryview(bytearray([0xFF, 0xD8, 0xFF, 0x00, 0x08]))
ext = filetype.guess_extension(buf)
self.assertTrue(ext is not None)
self.assertEqual(ext, 'jpg')
class TestFileTypeMIME(unittest.TestCase):
def test_guess_mime_file_path(self):
mime = filetype.guess_mime(FIXTURES + '/sample.jpg')
self.assertTrue(mime is not None)
self.assertEqual(mime, 'image/jpeg')
def test_guess_mime_buffer(self):
buf = bytearray([0xFF, 0xD8, 0xFF, 0x00, 0x08])
mime = filetype.guess_mime(buf)
self.assertTrue(mime is not None)
self.assertEqual(mime, 'image/jpeg')
def test_guess_mime_buffer_invalid(self):
buf = bytearray([0xFF, 0x00, 0x00, 0x00, 0x00])
mime = filetype.guess_mime(buf)
self.assertTrue(mime is None)
def test_guess_mime_memoryview(self):
buf = memoryview(bytearray([0xFF, 0xD8, 0xFF, 0x00, 0x08]))
mime = filetype.guess_mime(buf)
self.assertTrue(mime is not None)
self.assertEqual(mime, 'image/jpeg')
def test_guess_video_invalid(self):
buf = bytearray([0x0, 0x0, 0x0, 0x0, 0x66, 0x74, 0x79, 0x70, 0xf2, 0xf2, 0xf2, 0xf2, 0xf6, 0xf2, 0xf2, 0x90])
mime = filetype.guess_mime(buf)
self.assertTrue(mime is None)
def test_guess_image_invalid(self):
buf = bytearray([0x49, 0x49, 0x2a, 0x0])
mime = filetype.guess_mime(buf)
self.assertTrue(mime is None)
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