Yes. We actually had to remove the regex generation support a few months ago, 
since the python package we were using – exrex – was not one that OpenStack 
supported.

From: Yujun Zhang [mailto:[email protected]]
Sent: Tuesday, December 13, 2016 8:32 AM
To: OpenStack Development Mailing List (not for usage questions) 
<[email protected]>
Subject: Re: [openstack-dev] [vitrage] how to use mock driver

Elisha, thanks for the explanation. The difference is clear to me now.

If I understand it correctly, the regular expression in spec JSON is for 
information only. It is never compiled into a `re` object.

The actual values are generated in `static_info_parsers` from the `mapping`. 
The regular expression is neither used as a value template nor for value 
validation.

Is that right?

On Mon, Dec 12, 2016 at 8:47 PM Rosensweig, Elisha (Nokia - IL) 
<[email protected]<mailto:[email protected]>> wrote:
Hi,


•         In Vitrage Datasources, we can have a different input format for 
snapshots and updates. Thus, we need a different JSON file for each.

•         Also, as part of the Mock feature, we need to support (for each 
resource) things that will be static, such as it’s name, and things that change 
over time, such as timestamps. We support this partially via different JSON 
files. In general, the dynamic file (marked with “D”) overwrites the static one 
(marked with “S”).

•         In the code you can further inject specific fields you want to have 
for a specific test, in addition to the JSON files. See examples in 
test_scenario_evaluator.py.

Elisha

From: Yujun Zhang 
[mailto:[email protected]<mailto:zhangyujun%[email protected]>]
Sent: Monday, December 12, 2016 8:23 AM
To: OpenStack Development Mailing List (not for usage questions) 
<[email protected]<mailto:[email protected]>>
Subject: [openstack-dev] [vitrage] how to use mock driver

Is there any documentation on how to use mock driver for unit testing?

It seems it generates fake events from json spec but what is the different 
between

- `xxx_snapshot_X.json` and `xxx_dynamic_X.json`
- `xxx_S` and `xxx_D`

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