test: completion: add tests for __git_complete

Even though the function was marked as not public, it's already used in
the wild.

We should at least test basic functionality.

Signed-off-by: Felipe Contreras <redacted>
Signed-off-by: Junio C Hamano <redacted>

diff --git a/t/t9902-completion.sh b/t/t9902-completion.sh
index a1c4f1f6d4050eac9a21da0c16439bd2deae1fcc..c0b4380eae930738ee51a49514e2ed981a629334 100755 (executable)
--- a/t/t9902-completion.sh
+++ b/t/t9902-completion.sh
@@ -2380,4 +2380,12 @@ test_expect_success 'sourcing the completion script clears cached --options' '
        verbose test -z "$__gitcomp_builtin_notes_edit"
 '
 
+test_expect_success '__git_complete' '
+       unset -f __git_wrap__git_main &&
+       __git_complete foo __git_main &&
+       __git_have_func __git_wrap__git_main &&
+       __git_complete gf _git_fetch &&
+       __git_have_func __git_wrap_git_fetch
+'
+
 test_done