On Fri, 16 Mar 2018 12:53:23 -0700
David Ahern <dsah...@gmail.com> wrote:
> On 3/16/18 12:29 PM, Stefano Brivio wrote:
> > This might be equally counter-intuitive for somebody. If one does a lot
> > of explicit error checking with early returns, my return convention is
> > also rather practical. E.g. in the setup() function I can do:
> >
> > eval setup_${arg} && echo " ${arg} not supported" && return 0
> >
> > instead of:
> >
> > eval setup_${arg} || { echo " ${arg} not supported" && return 0; }
>
> I think it is weird to have 'a && b' where b is done when a fails as
> opposed to succeeds hence the comment. I think a common convention
> across scripts is important but having the tests is more so. Just a
> suggestion.
Yeah, also true. I'll change this.
> Look at fib_tests and fib-onlink-tests. As the number of tests grows,
> output consistency makes your life easier. With printf:
>
> ...
> TEST: IPv4 linkdown flag set [ OK ]
> TEST: IPv6 linkdown flag set [ OK ]
> TEST: Directly connected nexthop, unicast address [ OK ]
> TEST: Directly connected nexthop, unicast address with device [ OK ]
> TEST: Gateway is linklocal address [ OK ]
> TEST: Gateway is linklocal address, no device [ OK ]
> TEST: Gateway can not be local unicast address [ OK ]
> TEST: Gateway can not be local unicast address, with device [ OK ]
> TEST: Gateway can not be a local linklocal address [ OK ]
> TEST: Gateway can be local address in a VRF [FAIL]
> TEST: Gateway can be local address in a VRF, with device [FAIL]
> TEST: Gateway can be local linklocal address in a VRF [ OK ]
> TEST: Redirect to VRF lookup [ OK ]
> ...
>
> the FAIL cases jump out versus echo
>
> ...
> TEST: IPv4 linkdown flag set [ OK ]
> TEST: IPv6 linkdown flag set [ OK ]
> TEST: Directly connected nexthop, unicast address [ OK ]
> TEST: Directly connected nexthop, unicast address with device [ OK ]
> TEST: Gateway is linklocal address [ OK ]
> TEST: Gateway is linklocal address, no device [ OK ]
> TEST: Gateway can not be local unicast address [ OK ]
> TEST: Gateway can not be local unicast address, with device [ OK ]
> TEST: Gateway can not be a local linklocal address [ OK ]
> TEST: Gateway can be local address in a VRF [FAIL]
> TEST: Gateway can be local address in a VRF, with device [FAIL]
> TEST: Gateway can be local linklocal address in a VRF [ OK ]
> TEST: Redirect to VRF lookup [ OK ]
> ...
>
> where your mind has a lot more work to do to find the tests broken by a
> change.
>
> That is also why I chose OK versus PASS -- ok at 2 letters, fail at 4
> the failures really stand out.
I see your point. I'll use printf and make it a bit prettier in v2.
--
Stefano
