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test-runner: fix process output truncation

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There was a bug with process output where the last bit of data would
never make it into stdout or log files. This was due to the IO watch
being cleaned up when the process was killed and never allowing it
to finish writing any pending data.

Now the IO watch implementation has been moved out into its own
function (io_process) which is now used to write the final bits of
data out on process exit.
This commit is contained in:
James Prestwood 2021-04-22 10:37:42 -07:00 committed by Denis Kenzior
parent d11974c717
commit 8aac527e29
1 changed files with 17 additions and 23 deletions
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38
tools/test-runner
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@ -244,31 +244,22 @@ class Process:
self.pid.wait(timeout=5) self.pid.wait(timeout=5)
self.killed = True self.killed = True
self.ret = self.pid.returncode
self.stdout.seek(self.io_position) self.stdout.seek(self.io_position)
self.out = self.stdout.read() self.out = self.stdout.read()
self.stdout.seek(0, 2) self.stdout.seek(0, 2)
self.ret = self.pid.returncode
#
# No IO callback for wait/check=True processes so write out
# the data to any FD's now.
#
if len(self.write_fds) > 0: if len(self.write_fds) > 0:
for fd in self.write_fds: self.process_io(self.stdout)
fd.write(self.out)
fd.close()
self.write_fds = [] self.write_fds = []
if self.verbose:
sys.__stdout__.write(self.out)
print("%s returned %d" % (args[0], self.ret)) print("%s returned %d" % (args[0], self.ret))
if check and self.ret != 0: if check and self.ret != 0:
raise subprocess.CalledProcessError(returncode=self.ret, cmd=self.args) raise subprocess.CalledProcessError(returncode=self.ret, cmd=self.args)
def io_callback(self, source, cb_condition): def process_io(self, source):
# #
# The file will have already been written to, meaning the seek # The file will have already been written to, meaning the seek
# position points to EOF. This is why the position is saved so # position points to EOF. This is why the position is saved so
@ -286,20 +277,27 @@ class Process:
for f in self.write_fds: for f in self.write_fds:
f.write(data) f.write(data)
f.flush()
if self.verbose: if self.verbose:
sys.__stdout__.write(data) sys.__stdout__.write(data)
sys.__stdout__.flush()
return True return True
def io_callback(self, source, cb_condition):
return self.process_io(source)
def __del__(self): def __del__(self):
print("Del process %s" % self.args) print("Del process %s" % self.args)
os.remove(self.output_name)
self.stdout.close()
if not self.killed: if not self.killed:
self.kill() self.kill()
os.remove(self.output_name)
def kill(self, force=False): def kill(self, force=False):
print("Killing process %s" % self.args) print("Killing process %s" % self.args)
@ -319,8 +317,10 @@ class Process:
self.ctx = None self.ctx = None
for f in self.write_fds: self.process_io(self.stdout)
f.close()
if self.cleanup:
self.cleanup()
self.write_fds = [] self.write_fds = []
@ -328,13 +328,7 @@ class Process:
GLib.source_remove(self.io_watch) GLib.source_remove(self.io_watch)
self.io_watch = None self.io_watch = None
if self.cleanup:
self.cleanup()
self.cleanup = None self.cleanup = None
self.stdout.close()
self.killed = True self.killed = True
def wait_for_socket(self, socket, wait): def wait_for_socket(self, socket, wait):