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[Qemu-block] [PATCH v3 14/18] iotests: teach run_job to cancel pending j

From: John Snow
Subject: [Qemu-block] [PATCH v3 14/18] iotests: teach run_job to cancel pending jobs
Date: Fri, 5 Jul 2019 16:16:27 -0400

run_job can cancel pending jobs to simulate failure. This lets us use
the pending callback to issue test commands while the job is open, but
then still have the job fail in the end.

Reviewed-by: Max Reitz <address@hidden>
Signed-off-by: John Snow <address@hidden>
 tests/qemu-iotests/iotests.py | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index fcad957d63..c544659ecb 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -541,7 +541,22 @@ class VM(qtest.QEMUQtestMachine):
     # Returns None on success, and an error string on failure
     def run_job(self, job, auto_finalize=True, auto_dismiss=False,
-                pre_finalize=None, wait=60.0):
+                pre_finalize=None, cancel=False, wait=60.0):
+        """
+        run_job moves a job from creation through to dismissal.
+        :param job: String. ID of recently-launched job
+        :param auto_finalize: Bool. True if the job was launched with
+                              auto_finalize. Defaults to True.
+        :param auto_dismiss: Bool. True if the job was launched with
+                             auto_dismiss=True. Defaults to False.
+        :param pre_finalize: Callback. A callable that takes no arguments to be
+                             invoked prior to issuing job-finalize, if any.
+        :param cancel: Bool. When true, cancels the job after the pre_finalize
+                       callback.
+        :param wait: Float. Timeout value specifying how long to wait for any
+                     event, in seconds. Defaults to 60.0.
+        """
         match_device = {'data': {'device': job}}
         match_id = {'data': {'id': job}}
         events = [
@@ -568,7 +583,10 @@ class VM(qtest.QEMUQtestMachine):
             elif status == 'pending' and not auto_finalize:
                 if pre_finalize:
-                self.qmp_log('job-finalize', id=job)
+                if cancel:
+                    self.qmp_log('job-cancel', id=job)
+                else:
+                    self.qmp_log('job-finalize', id=job)
             elif status == 'concluded' and not auto_dismiss:
                 self.qmp_log('job-dismiss', id=job)
             elif status == 'null':

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