Apologies for the delay in response.

> > > A few quick things I noticed on a glance:
> > >
> > > + (let* ((node (go-ts-mode--find-defun-at start))
> > > + (name (treesit-defun-name node))
> > >
> > > Indentation is off on the name line - looks like a TAB was used? Should only be spaces everywhere. Double check the rest is OK.
> > >
> > > +region. It is bound to 'C-c C-t' in 'go-ts-mode'.
> > > ^ C-c C-t t
> > >
> > > +package of the current buffer. It is bound to 'C-c C-p' in 'go-ts-mode'.
> > > ^ C-c C-t p
> > >
> > > + "List of go build tags for the test commands."
> > > ^ Go
> > >
> > > + "Return a list with names of all defuns in the range."
> > > We should probably say what the range actually is (START to END) - not sure if we have a convention for that wording already.
> >
> > A few more nits:
> > +  "Return compile flag for build tags.
> >           ^ the
> >
> > +This function respects `go-ts-mode-build-tags' variable for specifying
> >                        ^ the
> >
> > +  "Return a list with names of all defuns in the range."
> >                       ^ the
> >
> > Indentation is also off in go-ts-mode-test-function-at-point.
>
> Thanks. I learned about whitespace-mode and checkdoc. I'll be running my changes
> through it before sending the path now. Please let me know if there are any
> other checks I can do in the future.

I've incorporated these suggestions in my updated patch.

> > When we run C-c C-t t outside of a function, we get:
> > go test -v  -run '^nil$'
> > Should we maybe not bother running anything at all? What do you think?
> > Do we know how other packages behave under similar circumstances?
>
> I'll check the packages and find out how it is handled elsewhere. One point of
> reference can be Doom Emacs configuration. It uses the
> re-search-(backward|forward) functions that throw an error if no match is found.

I've updated the functions to now raise an error if no function is found at
point or under the region.

> I'm also planning to add a third function to run all the tests in the current
> file using the buffer-beginning and buffer-end as the range. I'll submit it in
> the next patch along with the suggested fixes.

I've added the go-ts-mode-test-file function as well that runs all the unit
tests in the current file.

--
Ankit