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Re: [libvirt] [PATCH V3 1/5] util: Introduce virJSONStringCompare for JSON doc comparisons



On Wed, Sep 03, 2014 at 09:07:35PM -0600, Jim Fehlig wrote:
> From: "Daniel P. Berrange" <berrange redhat com>
> 
> Comparing JSON docs using strcmp is simple, but is not flexible
> as it is sensitive to whitespace used in the doc generation.
> When comparing objects it may also be desirable to treat the
> existance of keys in the actual object but not expected object
> as non-fatal. Introduce a virJSONStringCompare function which
> takes two strings representing expected and actual JSON docs
> and then does a DOM comparison.  Comparison is controled with
> the ignore_contexts and flags parameters.  No comparison is
> done on context paths specified in ignore_contexts.  The
> VIR_JSON_COMPARE_IGNORE_EXPECTED_NULL flag can be used to
> ignore actual values that have changed from an expected value
> of null.
> 
> Signed-off-by: Daniel P. Berrange <berrange redhat com>
> Signed-off-by: Jim Fehlig <jfehlig suse com>
> ---
>  src/libvirt_private.syms |   1 +
>  src/util/virjson.c       | 242 +++++++++++++++++++++++++++++++++++++++++++++++
>  src/util/virjson.h       |  16 ++++
>  3 files changed, 259 insertions(+)

Looks good, but perhaps we should also add to tests/virjsontest.c
to verify the ignore context support is working as intended

Regards,
Daniel
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