Class BufferedWriter

Lib/test/test_unittest/support.py:141–154

class BufferedWriter:
    def __init__(self):
        self.result = ''
        self.buffer = ''

    def write(self, arg):
        self.buffer += arg

    def flush(self):
        self.result += self.buffer
        self.buffer = ''

    def getvalue(self):
        return self.result