Magomed Kostoev (mkostoevr)
82d8c58e1e
git-svn-id: svn://kolibrios.org@9919 a494cfbc-eb01-0410-851d-a64ba20cac60
123 lines
4.3 KiB
Python
123 lines
4.3 KiB
Python
# Copyright 2021 Magomed Kostoev
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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 sys
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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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import shutil
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from . makeflop import Floppy
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def is_win32():
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return True if sys.platform == "win32" else False
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def is_linux():
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return True if sys.platform == "linux" or sys.platform == "linux2" else False
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def is_osx():
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return True if sys.platform == "darwin" else False
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class TestTimeoutException(Exception):
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pass
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class TestFailureException(Exception):
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def __init__(self, message):
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self.message = message
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class Qemu:
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def __init__(self, popen, debug_log):
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self.popen = popen
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# Qemu needs time to create debug.log file
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while not os.path.exists(debug_log) and self.qemu_is_alive():
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self.wait(0.250)
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self.assert_qemu_not_died("waiting for the debug log file")
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self.debug = open(debug_log, "rb")
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def qemu_is_alive(self):
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return self.popen.poll() == None
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def assert_qemu_not_died(self, while_):
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if not self.qemu_is_alive():
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raise TestFailureException(f"Qemu has finished while {while_}.")
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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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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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# TODO: Non-blocking read.
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log += self.debug.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.assert_qemu_not_died("waiting for the debug log")
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self.timeout()
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def kill(self):
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if is_win32():
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# FIXME: This is shit, isn't there anything better?
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subprocess.Popen(f"TASKKILL /F /PID {self.popen.pid} /T", stdout = subprocess.DEVNULL, stderr = subprocess.DEVNULL, stdin = subprocess.DEVNULL)
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else:
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os.killpg(os.getpgid(self.popen.pid), signal.SIGTERM)
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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):
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time.sleep(seconds)
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def run_qemu(root_dir, test_dir, debug_log):
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# Make local copy of IMG, so we will be able to run the test in parallel
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if os.path.exists(f"{test_dir}/kolibri_test.img"): # If previous test run interrupted the file may be busy
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os.remove(f"{test_dir}/kolibri_test.img")
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shutil.copyfile(f"{root_dir}/kolibri_test.img", f"{test_dir}/kolibri_test.img")
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qemu_command = f"qemu-system-i386"
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flags = ""
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flags += "-nographic " # Makes it faster
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flags += f"-debugcon file:{debug_log} " # 0xe9 port output
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flags += "-L . " # IDK why it does not work without this
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flags += "-m 128 "
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flags += f"-drive format=raw,file={test_dir}/kolibri_test.img,index=0,if=floppy -boot a "
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flags += "-vga vmware "
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flags += "-net nic,model=rtl8139 -net user "
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flags += "-soundhw ac97 "
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if is_win32():
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qemu_full_path = shutil.which(qemu_command)
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qemu_directory = os.path.dirname(qemu_full_path)
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flags += f"-L {qemu_directory} "
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s = f"{qemu_command} {flags}"
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qemu_stdout = open(f"{test_dir}/qemu_stdout.log", "w")
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qemu_stderr = open(f"{test_dir}/qemu_stderr.log", "w")
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if is_win32():
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return subprocess.Popen(s, bufsize = 0, stdout = qemu_stdout, stderr = qemu_stderr, stdin = subprocess.DEVNULL, shell = True, start_new_session = True)
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else:
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a = shlex.split(s)
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return subprocess.Popen(a, bufsize = 0, stdout = qemu_stdout, stderr = qemu_stderr, stdin = subprocess.DEVNULL, start_new_session = True)
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def run(root_dir, test_dir):
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debug_log = f"{test_dir}/debug.log"
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if os.path.exists(debug_log):
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os.remove(debug_log)
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popen = run_qemu(root_dir, test_dir, debug_log)
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return Qemu(popen, debug_log)
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