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tests/run-tests: Improve robustness of REPL tests. 

Unconditionally wait for MicroPython banner. On overloaded systems, when
using emulators, etc. initial executable startup may take more than 20ms.
This commit is contained in:
Paul Sokolovsky 2015-11-24 19:52:03 +02:00
parent 65888e2006
commit ff8c4188f4
1 changed files with 4 additions and 3 deletions
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7
tests/run-tests
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@ -51,14 +51,15 @@ def run_micropython(pyb, args, test_file):
return b'SKIP\n'
import select
def get():
def get(required=False):
rv = b''
while True:
ready = select.select([master], [], [], 0.02)
if ready[0] == [master]:
rv += os.read(master, 1024)
else:
return rv
if not required or rv:
return rv
def send_get(what):
os.write(master, what)
@ -69,7 +70,7 @@ def run_micropython(pyb, args, test_file):
master, slave = pty.openpty()
p = subprocess.Popen(args, stdin=slave, stdout=slave,
stderr=subprocess.STDOUT, bufsize=0)
banner = get()
banner = get(True)
output_mupy = banner + b''.join(send_get(line) for line in f)
p.kill()
os.close(master)