ceph/qa/workunits/fs/multiclient_sync_read_eof.py

45 lines
871 B
Python
Executable File

#!/usr/bin/python
import argparse
import os
import sys
import time
def main():
parser = argparse.ArgumentParser()
parser.add_argument('mnt1')
parser.add_argument('mnt2')
parser.add_argument('fn')
args = parser.parse_args()
file(os.path.join(args.mnt1, args.fn), 'w')
f1 = file(os.path.join(args.mnt1, args.fn), 'r+')
f2 = file(os.path.join(args.mnt2, args.fn), 'r+')
f1.write('foo')
f1.flush()
a = f2.read(3)
print 'got "%s"' % a
assert a == 'foo'
f2.write('bar')
f2.flush()
a = f1.read(3)
print 'got "%s"' % a
assert a == 'bar'
## test short reads
f1.write('short')
f1.flush()
a = f2.read(100)
print 'got "%s"' % a
assert a == 'short'
f2.write('longer')
f2.flush()
a = f1.read(1000)
print 'got "%s"' % a
assert a == 'longer'
print 'ok'
main()