Fix #2295 - Respond to initialize with an initialized message

test/lsp/test_did_save_event.vader

@@ -38,10 +38,10 @@ Before:
     let g:conn_id = ale#lsp#Register('executable', '/foo/bar', {})
     call ale#lsp#MarkDocumentAsOpen(g:conn_id, a:buffer)
     let l:details = {
+    \ 'command': 'foobar',
     \ 'buffer': a:buffer,
     \ 'connection_id': g:conn_id,
     \ 'project_root': '/foo/bar',
-    \ 'language_id': 'foobar',
     \}
 
     call a:Callback(a:linter, l:details)

test/lsp/test_other_initialize_message_handling.vader

@@ -1,5 +1,9 @@
 Before:
+  runtime autoload/ale/lsp.vim
+
+  let g:message_list = []
   let b:conn = {
+  \ 'id': 1,
   \ 'is_tsserver': 0,
   \ 'data': '',
   \ 'root': '/foo/bar',
@@ -21,8 +25,17 @@ Before:
   \ },
   \}
 
+  function! ale#lsp#Send(conn_id, message) abort
+    call add(g:message_list, a:message)
+
+    return 42
+  endfunction
+
 After:
   unlet! b:conn
+  unlet! g:message_list
+
+  runtime autoload/ale/lsp.vim
 
 Execute(Messages with no method and capabilities should initialize projects):
   call ale#lsp#HandleInitResponse(b:conn, {
@@ -30,15 +43,18 @@ Execute(Messages with no method and capabilities should initialize projects):
   \})
 
   AssertEqual 1, b:conn.initialized
+  AssertEqual [[1, 'initialized']], g:message_list
 
 Execute(Other messages should not initialize projects):
   call ale#lsp#HandleInitResponse(b:conn, {'method': 'lolwat'})
 
   AssertEqual 0, b:conn.initialized
+  AssertEqual [], g:message_list
 
   call ale#lsp#HandleInitResponse(b:conn, {'result': {'x': {}}})
 
   AssertEqual 0, b:conn.initialized
+  AssertEqual [], g:message_list
 
 Execute(Capabilities should bet set up correctly):
   call ale#lsp#HandleInitResponse(b:conn, {
@@ -86,6 +102,7 @@ Execute(Capabilities should bet set up correctly):
   \   'symbol_search': 1,
   \ },
   \ b:conn.capabilities
+  AssertEqual [[1, 'initialized']], g:message_list
 
 Execute(Disabled capabilities should be recognised correctly):
   call ale#lsp#HandleInitResponse(b:conn, {
@@ -128,6 +145,7 @@ Execute(Disabled capabilities should be recognised correctly):
   \   'symbol_search': 0,
   \ },
   \ b:conn.capabilities
+  AssertEqual [[1, 'initialized']], g:message_list
 
 Execute(Results that are not dictionaries should be handled correctly):
   call ale#lsp#HandleInitResponse(b:conn, {
@@ -135,3 +153,4 @@ Execute(Results that are not dictionaries should be handled correctly):
   \ 'id': 1,
   \ 'result': v:null,
   \})
+  AssertEqual [], g:message_list

test/lsp/test_update_config.vader

@@ -3,6 +3,10 @@ Before:
 
   let g:conn_id = ale#lsp#Register('executable', '/foo/bar', {})
 
+  " Stub out this function, so we test updating configs.
+  function! ale#lsp#Send(conn_id, message) abort
+  endfunction
+
 After:
   Restore