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|
#!/usr/bin/env python
import io
import os
import mozunit
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_twice(self):
"""
Process is started, then processOutput is called a second time explicitly
"""
p = processhandler.ProcessHandler(
[self.python, self.proclaunch, "process_waittimeout_10s.ini"], cwd=here
)
p.run()
p.processOutput(timeout=5)
p.wait()
self.determine_status(p, False, ())
def test_process_output_nonewline(self):
"""
Process is started, outputs data with no newline
"""
p = processhandler.ProcessHandler(
[self.python, os.path.join("scripts", "procnonewline.py")], cwd=here
)
p.run()
p.processOutput(timeout=5)
p.wait()
self.determine_status(p, 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, os.path.join("scripts", "proccountfive.py")],
cwd=here,
stream=buf,
)
p.run()
p.wait()
for i in range(5, 10):
stream.write(str(i).encode("utf8") + "\n".encode("utf8"))
buf.flush()
self.assertEqual(stream.getvalue().strip().decode("utf8"), expected)
# make sure mozprocess doesn't close the stream
# since mozprocess didn't create it
self.assertFalse(buf.closed)
buf.close()
self.determine_status(p, False, ())
if __name__ == "__main__":
mozunit.main()
|
