def test_read_bytes(self):
io = IterIO(iter(['hello', 'world']))
for i, c in enumerate('helloworld'):
assert io.tell() == i
assert io.read(1) == c
assert io.read(1) == ''
assert io.tell() == len('helloworld')
def test_read_length(self):
io = IterIO(iter(['hello', 'world']))
for c in 'hel', 'low', 'orl', 'd':
assert io.read(3) == c
assert io.read(1) == ''
assert io.tell() == len('helloworld')
io = IterIO(iter(['hello', 'world']))
for c in 'hell', 'owor', 'ld':
assert io.read(4) == c
assert io.read(1) == ''
assert io.tell() == len('helloworld')
def test_read_all(self):
io = IterIO(iter(['hello', 'world']))
assert io.read() == 'helloworld'
assert io.read() == ''
assert io.tell() == len('helloworld')
