1 files changed, 46 insertions, 8 deletions

diff --git a/test/functional/plugin/lsp/completion_spec.lua b/test/functional/plugin/lsp/completion_spec.lua
index 39b6ddc105..4e90c2fd1b 100644
--- a/test/functional/plugin/lsp/completion_spec.lua
+++ b/test/functional/plugin/lsp/completion_spec.lua
@@ -216,6 +216,43 @@ describe('vim.lsp.completion: item conversion', function()
       })
     end)
 
+    it('uses filterText as word if label/newText would not match', function()
+      local items = {
+        {
+          filterText = '<module',
+          insertTextFormat = 2,
+          kind = 10,
+          label = 'module',
+          sortText = 'module',
+          textEdit = {
+            newText = '<module>$1</module>$0',
+            range = {
+              start = {
+                character = 0,
+                line = 0,
+              },
+              ['end'] = {
+                character = 0,
+                line = 0,
+              },
+            },
+          },
+        },
+      }
+      assert_completion_matches('<mo', items, {
+        {
+          abbr = 'module',
+          word = '<module',
+        },
+      })
+      assert_completion_matches('', items, {
+        {
+          abbr = 'module',
+          word = 'module',
+        },
+      })
+    end)
+
     it('fuzzy matches on label when filterText is missing', function()
       assert_completion_matches('fo', {
         { label = 'foo' },
@@ -731,9 +768,10 @@ describe('vim.lsp.completion: item conversion', function()
   )
 end)
 
+--- @param name string
 --- @param completion_result lsp.CompletionList
 --- @return integer
-local function create_server(completion_result)
+local function create_server(name, completion_result)
   return exec_lua(function()
     local server = _G._create_server({
       capabilities = {
@@ -751,7 +789,7 @@ local function create_server(completion_result)
     local bufnr = vim.api.nvim_get_current_buf()
     vim.api.nvim_win_set_buf(0, bufnr)
     return vim.lsp.start({
-      name = 'dummy',
+      name = name,
       cmd = server.cmd,
       on_attach = function(client, bufnr0)
         vim.lsp.completion.enable(true, client.id, bufnr0, {
@@ -800,7 +838,7 @@ describe('vim.lsp.completion: protocol', function()
   end
 
   it('fetches completions and shows them using complete on trigger', function()
-    create_server({
+    create_server('dummy', {
       isIncomplete = false,
       items = {
         {
@@ -892,7 +930,7 @@ describe('vim.lsp.completion: protocol', function()
   end)
 
   it('merges results from multiple clients', function()
-    create_server({
+    create_server('dummy1', {
       isIncomplete = false,
       items = {
         {
@@ -900,7 +938,7 @@ describe('vim.lsp.completion: protocol', function()
         },
       },
     })
-    create_server({
+    create_server('dummy2', {
       isIncomplete = false,
       items = {
         {
@@ -933,7 +971,7 @@ describe('vim.lsp.completion: protocol', function()
         },
       },
     }
-    local client_id = create_server(completion_list)
+    local client_id = create_server('dummy', completion_list)
 
     exec_lua(function()
       _G.called = false
@@ -970,7 +1008,7 @@ describe('vim.lsp.completion: protocol', function()
   end)
 
   it('enable(…,{convert=fn}) custom word/abbr format', function()
-    create_server({
+    create_server('dummy', {
       isIncomplete = false,
       items = {
         {
@@ -1012,7 +1050,7 @@ describe('vim.lsp.completion: integration', function()
     exec_lua(function()
       vim.o.completeopt = 'menuone,noselect'
     end)
-    create_server(completion_list)
+    create_server('dummy', completion_list)
     feed('i world<esc>0ih<c-x><c-o>')
     retry(nil, nil, function()
       eq(