gecko-dev/testing/mozbase/mozprocess/tests/test_mozprocess_output.py

69 строки
2.0 KiB
Python

#!/usr/bin/env python
import io
import os
import unittest
import proctest
from mozprocess import processhandler
here = os.path.dirname(os.path.abspath(__file__))
class ProcTestOutput(proctest.ProcTest):
""" Class to test operations related to output handling """
def test_process_output_nonewline(self):
"""
Process is started, outputs data with no newline
"""
p = processhandler.ProcessHandler([self.python, "procnonewline.py"],
cwd=here)
p.run()
p.processOutput(timeout=5)
p.wait()
detected, output = proctest.check_for_process("procnonewline.py")
self.determine_status(detected,
output,
p.proc.returncode,
p.didTimeout,
False,
())
def test_stream_process_output(self):
"""
Process output stream does not buffer
"""
expected = '\n'.join([str(n) for n in range(0,10)])
stream = io.BytesIO()
buf = io.BufferedRandom(stream)
p = processhandler.ProcessHandler([self.python, "proccountfive.py"],
cwd=here,
stream=buf)
p.run()
p.wait()
for i in range(5, 10):
stream.write(str(i)+'\n')
buf.flush()
self.assertEquals(stream.getvalue().strip(), expected)
# make sure mozprocess doesn't close the stream
# since mozprocess didn't create it
self.assertFalse(buf.closed)
buf.close()
detected, output = proctest.check_for_process("proccountfive.py")
self.determine_status(detected,
output,
p.proc.returncode,
p.didTimeout,
False,
())
if __name__ == '__main__':
unittest.main()