test_cxxtest.py 文件源码

def file_diff(filename1, filename2, filtered_reader):
    remove_absdir(filename1)
    remove_absdir(filename2)
    #
    INPUT=open(filename1, 'r')
    lines1 = list(filtered_reader(INPUT))
    INPUT.close()
    #
    INPUT=open(filename2, 'r')
    lines2 = list(filtered_reader(INPUT))
    INPUT.close()
    #
    diff = list(difflib.unified_diff(lines2, lines1,
        fromfile=filename2, tofile=filename1))
    if diff:
        make_diff_readable(diff)
        raise Exception("ERROR: \n\n%s\n\n%s\n\n" % (lines1, lines2))
    diff = '\n'.join(diff)
    return diff