Don't try get fixtures_paths from Rails

Author: andyw8

lib/ruby_lsp/ruby_lsp_rails/addon.rb

@@ -223,7 +223,7 @@ def register_additional_file_watchers(global_state:, outgoing_queue:)
                 id: "workspace/didChangeWatchedFilesRails",
                 method: "workspace/didChangeWatchedFiles",
                 register_options: Interface::DidChangeWatchedFilesRegistrationOptions.new(
-                  watchers: [structure_sql_file_watcher, fixture_file_watcher].compact,
+                  watchers: [structure_sql_file_watcher, fixture_file_watcher],
                 ),
               ),
             ],
@@ -239,13 +239,10 @@ def structure_sql_file_watcher
         )
       end
 
-      sig { returns(T.nilable(Interface::FileSystemWatcher)) }
+      sig { returns(Interface::FileSystemWatcher) }
       def fixture_file_watcher
-        paths = @rails_runner_client.fixture_paths
-        return unless paths
-
         Interface::FileSystemWatcher.new(
-          glob_pattern: "{#{paths.join(",")}}/**/*.{yml,yaml,yml.erb,yaml.erb}",
+          glob_pattern: "/fixtures/**/*.{yml,yaml,yml.erb,yaml.erb}",
           kind: Constant::WatchKind::CREATE | Constant::WatchKind::CHANGE | Constant::WatchKind::DELETE,
         )
       end

lib/ruby_lsp/ruby_lsp_rails/runner_client.rb

@@ -51,9 +51,6 @@ class EmptyMessageError < MessageError; end
       sig { returns(String) }
       attr_reader :rails_root
 
-      sig { returns(T.nilable(T::Array[String])) }
-      attr_reader :fixture_paths
-
       sig { params(outgoing_queue: Thread::Queue).void }
       def initialize(outgoing_queue)
         @outgoing_queue = T.let(outgoing_queue, Thread::Queue)
@@ -92,7 +89,6 @@ def initialize(outgoing_queue)
 
         initialize_response = T.must(read_response)
         @rails_root = T.let(initialize_response[:root], String)
-        @fixture_paths = T.let(initialize_response[:fixture_paths], T.nilable(T::Array[String]))
         log_message("Finished booting Ruby LSP Rails server")
 
         unless ENV["RAILS_ENV"] == "test"

lib/ruby_lsp/ruby_lsp_rails/server.rb

@@ -4,15 +4,6 @@
 require "json"
 require "open3"
 
-# This replicates what Rails does internally
-if defined?(ActiveRecord::Base)
-  ActiveSupport.on_load(:active_support_test_case) do
-    include ActiveRecord::TestFixtures
-
-    fixture_paths << "#{Rails.root}/test/fixtures/"
-  end
-end
-
 module RubyLsp
   module Rails
     module Common
@@ -132,15 +123,8 @@ def initialize(stdout: $stdout, override_default_output_device: true)
       def start
         load_routes
         clear_file_system_resolver_hooks
-        # `fixtures_path` is only available in Rails 7.1 and later
-        # Prior to that it used `fixture_path` which we do not support.
-        fixtures_paths = ActiveSupport::TestCase.fixture_paths if ActiveSupport::TestCase.respond_to?(:fixture_paths)
-
-        send_result({
-          message: "ok",
-          root: ::Rails.root.to_s,
-          fixture_paths: fixtures_paths,
-        })
+
+        send_result({ message: "ok", root: ::Rails.root.to_s })
 
         while @running
           headers = @stdin.gets("\r\n\r\n")