Re: [Libguestfs] [nbdkit PATCH v4 2/4] tests: Add coverage of new nbdkit_set_dlopen_prefix

Although the real reason for adding the new interface is the vddk plugin, that one is harder to test (not everyone configures it to be built); so adding a standalone plugin that does the bare minimum to validate our code is worthwhile. Signed-off-by: Eric Blake <eblake(a)redhat.com&gt; ---

+++ b/tests/test-dlopen.sh

+ +# First: show that without using the new function, dlopen complains +# about a relative request. +nbdkit $libs/test-dlopen-plugin.so --run : 2> test-dlopen.err

+cat test-dlopen.err +grep "as expected: no_one_has" test-dlopen.err + +# Now, show that we can alter the message based on our config parameter. +nbdkit $libs/test-dlopen-plugin.so libdir="$PWD" --run : 2> test-dlopen.err +cat test-dlopen.err +grep -F "as expected: $PWD/no_one_has" test-dlopen.err