NetCube-Systems-Austria/kumquat-buildroot
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support/testing: use pexpect.expect directly

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When using pexpect there is no need for a helper function. Just use
expect() directly everywhere.

Signed-off-by: Ricardo Martincoski <ricardo.martincoski@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Ricardo Martincoski 2017-06-28 23:45:45 -03:00 committed by Thomas Petazzoni
parent 77b4b948fc
commit 4a622fe4b6
1 changed files with 13 additions and 22 deletions
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35
support/testing/infra/emulator.py
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@ -8,7 +8,6 @@ class Emulator(object):
def __init__(self, builddir, downloaddir, logtofile):
self.qemu = None
self.downloaddir = downloaddir
self.log = ""
self.logfile = infra.open_log_file(builddir, "run", logtofile)
# Start Qemu to boot the system
@ -66,34 +65,25 @@ class Emulator(object):
qemu_cmd += ["-append", " ".join(kernel_cmdline)]
self.logfile.write("> starting qemu with '%s'\n" % " ".join(qemu_cmd))
self.qemu = pexpect.spawn(qemu_cmd[0], qemu_cmd[1:])
self.qemu = pexpect.spawn(qemu_cmd[0], qemu_cmd[1:], timeout=5)
# We want only stdout into the log to avoid double echo
self.qemu.logfile_read = self.logfile
def __read_until(self, waitstr, timeout=5):
index = self.qemu.expect([waitstr, pexpect.TIMEOUT], timeout=timeout)
data = self.qemu.before
if index == 0:
data += self.qemu.after
self.log += data
# Remove double carriage return from qemu stdout so str.splitlines()
# works as expected.
return data.replace("\r\r", "\r")
# Wait for the login prompt to appear, and then login as root with
# the provided password, or no password if not specified.
def login(self, password=None):
self.__read_until("buildroot login:", 10)
if "buildroot login:" not in self.log:
index = self.qemu.expect(["buildroot login:", pexpect.TIMEOUT],
timeout=10)
if index != 0:
self.logfile.write("==> System does not boot")
raise SystemError("System does not boot")
self.qemu.sendline("root")
if password:
self.__read_until("Password:")
self.qemu.expect("Password:")
self.qemu.sendline(password)
self.__read_until("# ")
if "# " not in self.log:
index = self.qemu.expect(["# ", pexpect.TIMEOUT])
if index != 0:
raise SystemError("Cannot login")
self.run("dmesg -n 1")
@ -101,13 +91,14 @@ class Emulator(object):
# return a tuple (output, exit_code)
def run(self, cmd):
self.qemu.sendline(cmd)
output = self.__read_until("# ")
output = output.strip().splitlines()
output = output[1:len(output)-1]
self.qemu.expect("# ")
# Remove double carriage return from qemu stdout so str.splitlines()
# works as expected.
output = self.qemu.before.replace("\r\r", "\r").splitlines()[1:]
self.qemu.sendline("echo $?")
exit_code = self.__read_until("# ")
exit_code = exit_code.strip().splitlines()[1]
self.qemu.expect("# ")
exit_code = self.qemu.before.splitlines()[2]
exit_code = int(exit_code)
return output, exit_code