Re: [PATCH V2] tests: json: Add test cases for json format

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>
> > These test cases can be used to test upcoming "import json" command.
> >
> > Here is the short description of the files:
> > all_ruleset_list   ->    contains list of all the individual rules
>
> Wait. You are generating the JSON files from this ruleset, right?
>
yes.

>
> Then, why not simplify the tests by:
>
>  * load a ruleset model (your all_ruleset_list file)
>  * export it in JSON format (nft export json)
>  * import it again in JSON format (nft import)
>  * comparte resulting ruleset (nft list ruleset) with the original
> file (all_ruleset_list file)
>
> This way we test in the same run all the JSON code paths.
>
> You will need a simple testcase, like this:
>
> === 8< ===
> #!/bin/bash
> set -e
> TMP=$(mktmp)
> RULESET="table ip { ... } "
> echo $RULESET > $TMP
> $NFT -f $TMP
> $NFT export json > $TMP
> cat $TMP | $NFT import json)
> RESULT=$($NFT list ruleset)
> # compare result and initial ruleset, if fail show diff
> === 8< ===
>
> That was quick and dirty code for you to get the idea.
> Please follow the example of other testcases [0] to compare ruleset,
> create tempfiles and so on.
>

One issue with this approach, incase of set rules
nft will throw this error
"Error: Could not process rule: File exists"
So, i need to flush ruleset before import them with json.
Is it okay?

>
> Please, if possible, try to add a testcase that is [OK]. Not sure what
> is wrong with the dup statement.
>
I tried, but they always throw the same error.
Shouldn't we keep them in testsuite so that we know that these set of
rules needs to be fixed.

>
> [0] http://git.netfilter.org/nftables/tree/tests/shell/testcases/netns/0001nft-f_0

Thanks,
Shyam
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