import unittest from test import test_support import base64 class LegacyBase64TestCase(unittest.TestCase): def test_encodestring(self): eq = self.assertEqual eq(base64.encodestring("www.python.org"), "d3d3LnB5dGhvbi5vcmc=\n") eq(base64.encodestring("a"), "YQ==\n") eq(base64.encodestring("ab"), "YWI=\n") eq(base64.encodestring("abc"), "YWJj\n") eq(base64.encodestring(""), "") eq(base64.encodestring("abcdefghijklmnopqrstuvwxyz" "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "0123456789!@#0^&*();:<>,. []{}"), "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE" "RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT" "Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n") # Non-bytes eq(base64.encodestring(bytearray('abc')), 'YWJj\n') def test_decodestring(self): eq = self.assertEqual eq(base64.decodestring("d3d3LnB5dGhvbi5vcmc=\n"), "www.python.org") eq(base64.decodestring("YQ==\n"), "a") eq(base64.decodestring("YWI=\n"), "ab") eq(base64.decodestring("YWJj\n"), "abc") eq(base64.decodestring("YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE" "RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT" "Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n"), "abcdefghijklmnopqrstuvwxyz" "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "0123456789!@#0^&*();:<>,. []{}") eq(base64.decodestring(''), '') # Non-bytes eq(base64.decodestring(bytearray("YWJj\n")), "abc") def test_encode(self): eq = self.assertEqual from cStringIO import StringIO infp = StringIO('abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' '0123456789!@#0^&*();:<>,. []{}') outfp = StringIO() base64.encode(infp, outfp) eq(outfp.getvalue(), 'YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE' 'RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT' 'Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==\n') def test_decode(self): from cStringIO import StringIO infp = StringIO('d3d3LnB5dGhvbi5vcmc=') outfp = StringIO() base64.decode(infp, outfp) self.assertEqual(outfp.getvalue(), 'www.python.org') class BaseXYTestCase(unittest.TestCase): def test_b64encode(self): eq = self.assertEqual # Test default alphabet eq(base64.b64encode("www.python.org"), "d3d3LnB5dGhvbi5vcmc=") eq(base64.b64encode('\x00'), 'AA==') eq(base64.b64encode("a"), "YQ==") eq(base64.b64encode("ab"), "YWI=") eq(base64.b64encode("abc"), "YWJj") eq(base64.b64encode(""), "") eq(base64.b64encode("abcdefghijklmnopqrstuvwxyz" "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "0123456789!@#0^&*();:<>,. []{}"), "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE" "RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT" "Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==") # Test with arbitrary alternative characters eq(base64.b64encode('\xd3V\xbeo\xf7\x1d', altchars='*$'), '01a*b$cd') # Non-bytes eq(base64.b64encode(bytearray('abcd')), 'YWJjZA==') self.assertRaises(TypeError, base64.b64encode, '\xd3V\xbeo\xf7\x1d', altchars=bytearray('*$')) # Test standard alphabet eq(base64.standard_b64encode("www.python.org"), "d3d3LnB5dGhvbi5vcmc=") eq(base64.standard_b64encode("a"), "YQ==") eq(base64.standard_b64encode("ab"), "YWI=") eq(base64.standard_b64encode("abc"), "YWJj") eq(base64.standard_b64encode(""), "") eq(base64.standard_b64encode("abcdefghijklmnopqrstuvwxyz" "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "0123456789!@#0^&*();:<>,. []{}"), "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE" "RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT" "Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ==") # Non-bytes eq(base64.standard_b64encode(bytearray('abcd')), 'YWJjZA==') # Test with 'URL safe' alternative characters eq(base64.urlsafe_b64encode('\xd3V\xbeo\xf7\x1d'), '01a-b_cd') # Non-bytes eq(base64.urlsafe_b64encode(bytearray('\xd3V\xbeo\xf7\x1d')), '01a-b_cd') def test_b64decode(self): eq = self.assertEqual eq(base64.b64decode("d3d3LnB5dGhvbi5vcmc="), "www.python.org") eq(base64.b64decode('AA=='), '\x00') eq(base64.b64decode("YQ=="), "a") eq(base64.b64decode("YWI="), "ab") eq(base64.b64decode("YWJj"), "abc") eq(base64.b64decode("YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE" "RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0\nNT" "Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ=="), "abcdefghijklmnopqrstuvwxyz" "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "0123456789!@#0^&*();:<>,. []{}") eq(base64.b64decode(''), '') # Test with arbitrary alternative characters eq(base64.b64decode('01a*b$cd', altchars='*$'), '\xd3V\xbeo\xf7\x1d') # Non-bytes eq(base64.b64decode(bytearray("YWJj")), "abc") # Test standard alphabet eq(base64.standard_b64decode("d3d3LnB5dGhvbi5vcmc="), "www.python.org") eq(base64.standard_b64decode("YQ=="), "a") eq(base64.standard_b64decode("YWI="), "ab") eq(base64.standard_b64decode("YWJj"), "abc") eq(base64.standard_b64decode(""), "") eq(base64.standard_b64decode("YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNE" "RUZHSElKS0xNTk9QUVJTVFVWV1hZWjAxMjM0NT" "Y3ODkhQCMwXiYqKCk7Ojw+LC4gW117fQ=="), "abcdefghijklmnopqrstuvwxyz" "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "0123456789!@#0^&*();:<>,. []{}") # Non-bytes eq(base64.standard_b64decode(bytearray("YWJj")), "abc") # Test with 'URL safe' alternative characters eq(base64.urlsafe_b64decode('01a-b_cd'), '\xd3V\xbeo\xf7\x1d') # Non-bytes eq(base64.urlsafe_b64decode(bytearray('01a-b_cd')), '\xd3V\xbeo\xf7\x1d') def test_b64decode_padding_error(self): self.assertRaises(TypeError, base64.b64decode, 'abc') def test_b64decode_invalid_chars(self): # issue 1466065: Test some invalid characters. tests = ((b'%3d==', b'\xdd'), (b'$3d==', b'\xdd'), (b'[==', b''), (b'YW]3=', b'am'), (b'3{d==', b'\xdd'), (b'3d}==', b'\xdd'), (b'@@', b''), (b'!', b''), (b'YWJj\nYWI=', b'abcab')) for bstr, res in tests: self.assertEqual(base64.b64decode(bstr), res) self.assertEqual(base64.standard_b64decode(bstr), res) self.assertEqual(base64.urlsafe_b64decode(bstr), res) # Normal alphabet characters not discarded when alternative given res = b'\xFB\xEF\xBE\xFF\xFF\xFF' self.assertEqual(base64.b64decode(b'++[[//]]', b'[]'), res) self.assertEqual(base64.urlsafe_b64decode(b'++--//__'), res) def test_b32encode(self): eq = self.assertEqual eq(base64.b32encode(''), '') eq(base64.b32encode('\x00'), 'AA======') eq(base64.b32encode('a'), 'ME======') eq(base64.b32encode('ab'), 'MFRA====') eq(base64.b32encode('abc'), 'MFRGG===') eq(base64.b32encode('abcd'), 'MFRGGZA=') eq(base64.b32encode('abcde'), 'MFRGGZDF') # Non-bytes eq(base64.b32encode(bytearray('abcd')), 'MFRGGZA=') def test_b32decode(self): eq = self.assertEqual eq(base64.b32decode(''), '') eq(base64.b32decode('AA======'), '\x00') eq(base64.b32decode('ME======'), 'a') eq(base64.b32decode('MFRA===='), 'ab') eq(base64.b32decode('MFRGG==='), 'abc') eq(base64.b32decode('MFRGGZA='), 'abcd') eq(base64.b32decode('MFRGGZDF'), 'abcde') # Non-bytes self.assertRaises(TypeError, base64.b32decode, bytearray('MFRGG===')) def test_b32decode_casefold(self): eq = self.assertEqual eq(base64.b32decode('', True), '') eq(base64.b32decode('ME======', True), 'a') eq(base64.b32decode('MFRA====', True), 'ab') eq(base64.b32decode('MFRGG===', True), 'abc') eq(base64.b32decode('MFRGGZA=', True), 'abcd') eq(base64.b32decode('MFRGGZDF', True), 'abcde') # Lower cases eq(base64.b32decode('me======', True), 'a') eq(base64.b32decode('mfra====', True), 'ab') eq(base64.b32decode('mfrgg===', True), 'abc') eq(base64.b32decode('mfrggza=', True), 'abcd') eq(base64.b32decode('mfrggzdf', True), 'abcde') # Expected exceptions self.assertRaises(TypeError, base64.b32decode, 'me======') # Mapping zero and one eq(base64.b32decode('MLO23456'), 'b\xdd\xad\xf3\xbe') eq(base64.b32decode('M1023456', map01='L'), 'b\xdd\xad\xf3\xbe') eq(base64.b32decode('M1023456', map01='I'), 'b\x1d\xad\xf3\xbe') def test_b32decode_error(self): self.assertRaises(TypeError, base64.b32decode, 'abc') self.assertRaises(TypeError, base64.b32decode, 'ABCDEF==') def test_b16encode(self): eq = self.assertEqual eq(base64.b16encode('\x01\x02\xab\xcd\xef'), '0102ABCDEF') eq(base64.b16encode('\x00'), '00') # Non-bytes eq(base64.b16encode(bytearray('\x01\x02\xab\xcd\xef')), '0102ABCDEF') def test_b16decode(self): eq = self.assertEqual eq(base64.b16decode('0102ABCDEF'), '\x01\x02\xab\xcd\xef') eq(base64.b16decode('00'), '\x00') # Lower case is not allowed without a flag self.assertRaises(TypeError, base64.b16decode, '0102abcdef') # Case fold eq(base64.b16decode('0102abcdef', True), '\x01\x02\xab\xcd\xef') # Non-bytes eq(base64.b16decode(bytearray("0102ABCDEF")), '\x01\x02\xab\xcd\xef') # Non-alphabet characters self.assertRaises(TypeError, base64.b16decode, '0102AG') # Incorrect "padding" self.assertRaises(TypeError, base64.b16decode, '010') def test_main(): test_support.run_unittest(__name__) if __name__ == '__main__': test_main()