def test_detect_encoding2():
lines = []
output = MemFile(b'1\n2\n')
assert process_encoding(lines, output) == None
assert lines == [b'1\n']
assert process_encoding(lines, output) == None
assert lines == [b'1\n', b'2\n']
def test_detect_encoding1():
lines = []
output = MemFile(b'#first comment\n# -- coding: abcd --')
assert process_encoding(lines, output) == None
assert lines == [b'#first comment\n']
assert process_encoding(lines, output) == 'abcd'
assert lines == [b'#first comment\n']
def test_detect_encoding2():
with open('test/samples/print1250r.py', 'rb') as f:
lines = []
process_encoding(lines, f) == 'cp1250'
assert lines == []