API: emit nvim_error_event on failed async request

We already do this for _invalid_ async requests #9300.
Now we also do it for failed invocation of valid requests.

1 files changed, 11 insertions, 1 deletions

diff --git a/test/functional/api/vim_spec.lua b/test/functional/api/vim_spec.lua
index 068d4973af..c508ca37db 100644
--- a/test/functional/api/vim_spec.lua
+++ b/test/functional/api/vim_spec.lua
@@ -49,13 +49,23 @@ describe('API', function()
 
   it('handles errors in async requests', function()
     local error_types = meths.get_api_info()[2].error_types
-    nvim_async("bogus")
+    nvim_async('bogus')
     eq({'notification', 'nvim_error_event',
         {error_types.Exception.id, 'Invalid method: nvim_bogus'}}, next_msg())
     -- error didn't close channel.
     eq(2, eval('1+1'))
   end)
 
+  it('failed async request emits nvim_error_event', function()
+    local error_types = meths.get_api_info()[2].error_types
+    nvim_async('command', 'bogus')
+    eq({'notification', 'nvim_error_event',
+        {error_types.Exception.id, 'Vim:E492: Not an editor command: bogus'}},
+        next_msg())
+    -- error didn't close channel.
+    eq(2, eval('1+1'))
+  end)
+
   it('does not set CA_COMMAND_BUSY #7254', function()
     nvim('command', 'split')
     nvim('command', 'autocmd WinEnter * startinsert')