Home | History | Annotate | Download | only in qemu_iotests 
      1 import os, re, logging
      2 from autotest_lib.client.bin import test, utils, os_dep
      3 from autotest_lib.client.common_lib import error
      4 
      5 
      6 class qemu_iotests(test.test):
      7     """
      8     This autotest module runs the qemu_iotests testsuite.
      9 
     10     @copyright: Red Hat 2009
     11     @author: Yolkfull Chow (yzhou (at] redhat.com)
     12     @see: http://www.kernel.org/pub/scm/linux/kernel/git/hch/qemu-iotests.git
     13     """
     14     version = 2
     15     def initialize(self, qemu_path=''):
     16         if qemu_path:
     17             # Prepending the path at the beginning of $PATH will make the
     18             # version found on qemu_path be preferred over other ones.
     19             os.environ['PATH'] =  qemu_path + ":" + os.environ['PATH']
     20         try:
     21             self.qemu_img_path = os_dep.command('qemu-img')
     22             self.qemu_io_path = os_dep.command('qemu-io')
     23         except ValueError, e:
     24             raise error.TestNAError('Commands qemu-img or qemu-io missing')
     25         self.job.require_gcc()
     26 
     27 
     28     def setup(self, tarball='qemu-iotests.tar.bz2'):
     29         """
     30         Uncompresses the tarball and cleans any leftover output files.
     31 
     32         @param tarball: Relative path to the testsuite tarball.
     33         """
     34         tarball = utils.unmap_url(self.bindir, tarball, self.tmpdir)
     35         utils.extract_tarball_to_dir(tarball, self.srcdir)
     36         os.chdir(self.srcdir)
     37         utils.make('clean')
     38 
     39 
     40     def run_once(self, options='', testlist=''):
     41         """
     42         Passes the appropriate parameters to the testsuite.
     43 
     44         # Usage: $0 [options] [testlist]
     45         # check options
     46         #     -raw                test raw (default)
     47         #     -cow                test cow
     48         #     -qcow               test qcow
     49         #     -qcow2              test qcow2
     50         #     -vpc                test vpc
     51         #     -vmdk               test vmdk
     52         #     -xdiff              graphical mode diff
     53         #     -nocache            use O_DIRECT on backing file
     54         #     -misalign           misalign memory allocations
     55         #     -n                  show me, do not run tests
     56         #     -T                  output timestamps
     57         #     -r                  randomize test order
     58         #
     59         # testlist options
     60         #     -g group[,group...] include tests from these groups
     61         #     -x group[,group...] exclude tests from these groups
     62         #     NNN                 include test NNN
     63         #     NNN-NNN             include test range (eg. 012-021)
     64 
     65         @param qemu_path: Optional qemu install path.
     66         @param options: Options accepted by the testsuite.
     67         @param testlist: List of tests that will be executed (by default, all
     68                 testcases will be executed).
     69         """
     70         os.chdir(self.srcdir)
     71         test_dir = os.path.join(self.srcdir, "scratch")
     72         if not os.path.exists(test_dir):
     73             os.mkdir(test_dir)
     74         cmd = "./check"
     75         if options:
     76             cmd += " " + options
     77         if testlist:
     78             cmd += " " + testlist
     79 
     80         try:
     81             try:
     82                 result = utils.system(cmd)
     83             except error.CmdError, e:
     84                 failed_cases = re.findall("Failures: (\d+)", str(e))
     85                 for num in failed_cases:
     86                     failed_name = num + ".out.bad"
     87                     src = os.path.join(self.srcdir, failed_name)
     88                     dest = os.path.join(self.resultsdir, failed_name)
     89                     utils.get_file(src, dest)
     90                 if failed_cases:
     91                     e_msg = ("Qemu-iotests failed. Failed cases: %s" %
     92                              failed_cases)
     93                 else:
     94                     e_msg = "Qemu-iotests failed"
     95                 raise error.TestFail(e_msg)
     96         finally:
     97             src = os.path.join(self.srcdir, "check.log")
     98             dest = os.path.join(self.resultsdir, "check.log")
     99             utils.get_file(src, dest)
    100