[Toybox] Test suite plumbing.

enh enh at google.com
Mon Jan 6 08:06:10 PST 2025


On Sun, Jan 5, 2025, 19:32 Rob Landley <rob at landley.net> wrote:

> I can't use "toyonly" in tests/test.test because it's a TOYFLAG_NOHELP
> command, so "test --version" produces no output, which is how
> scripts/runtest.sh is currently checking for toybox.
>
> My next instinct was to $(basename $(readlink)) and check if that
> pointed to "toybox", but "make test_test" is doing scripts/single.sh
> test (which would be "make test" except that's intercepted to do
> something else, just like "make help" and "make install")... anyway,
> it's creating a standalone binary called "test" with no symlink for
> readlink to interrogate. So that check fails in the current test suite.
>
> My THIRD idea was to run "strings" against the binary and see if
> anything unique was in there, but having been intentionally parsimonious
> in that regard my options for the standalone "test" binary seem to be:
>
>    need arg @%d
>    bad (
>    need )
>    too many arguments
>
> I think. There's a bunch of dynamic glibc nonsense, so I thought "I'll
> do a static NDK build, that's likely to be less noisy", and... um...
>
> $ strings generated/testdir/test | wc
>     3539    5144   33361
>
> What IS "Scudo" anyway? (Not that static musl is much better...)
>

(android's secure allocator:
https://source.android.com/docs/security/test/scudo)


> I'm open to suggestions. I can force the test suite to create a symlink
> (although for the standalone commands without a multiplexer that's a bit
> awkward), but the reason this is NOT just checking TEST_HOST=1 is the
> host could be toybox (mkroot!) and I want it to work there too, and
> "installing a bunch of hardlinks" was a popular option back in the
> busybox world...
>
> Rob
>
> (Another "the decision is hard because the stakes are so small" thing, I
> know...)
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> Toybox at lists.landley.net
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>
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