forked from KolibriOS/kolibrios
Magomed Kostoev (mkostoevr)
bc7960659c
git-svn-id: svn://kolibrios.org@9251 a494cfbc-eb01-0410-851d-a64ba20cac60
69 lines
2.1 KiB
Python
69 lines
2.1 KiB
Python
# Copyright 2021 KolibriOS Team
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# Copyright 2021 Nekos Team
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# Published under MIT License
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import io
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import os
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import subprocess
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import timeit
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import time
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import shlex
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import signal
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class TestTimeoutException(Exception):
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pass
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class TestFailureException(Exception):
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pass
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class Qemu:
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def __init__(self, popen):
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self.popen = popen
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self.wait() # qemu needs time to create debug.log file
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def wait_for_debug_log(self, needle, timeout = 1):
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needle = bytes(needle, "utf-8")
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start = timeit.default_timer()
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stdout = open("debug.log", "rb")
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log = b""
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# While no timeout, read and search logs
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while timeit.default_timer() - start < timeout:
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log += stdout.read(1)
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if needle in log:
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return
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# We don't have to read whole logs to find the neddle
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# If we read len(needle) * 2 bytes of log then we
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# already can say that if there's no needle in the data
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# then it can't be in first len(needle) bytes of the data
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# so first len(needle) bytes of saved logs may be thrown away
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#
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# So we consume lessser memory and don't search all the previous
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# logs every single time
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if len(log) > len(needle) * 2:
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log = log[len(needle):]
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self.timeout()
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def kill(self):
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os.killpg(os.getpgid(self.popen.pid), signal.SIGTERM)
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def failure(self):
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self.kill()
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raise TestFailureException()
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def timeout(self):
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self.kill()
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raise TestTimeoutException()
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def wait(self, seconds = 0.25):
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time.sleep(seconds)
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def run():
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s = f"qemu-system-i386 -nographic -L . -m 128 -drive format=raw,file=../../kolibri_test.img,index=0,if=floppy -boot a -vga vmware -net nic,model=rtl8139 -net user -soundhw ac97 -debugcon file:debug.log"
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a = shlex.split(s)
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popen = subprocess.Popen(a, bufsize = 0, stdout = subprocess.DEVNULL, stderr = subprocess.DEVNULL, stdin = subprocess.DEVNULL, start_new_session = True)
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return Qemu(popen)
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