Standardize path handling

lib/ruby_lsp/ruby_lsp_rails/hover.rb

@@ -40,7 +40,7 @@ def on_const(node)
         schema_file = model[:schema_file]
         content = +""
         if schema_file
-          content << "[Schema](file://#{schema_file})\n\n"
+          content << "[Schema](#{URI::Generic.build(scheme: "file", path: schema_file)})\n\n"
         end
         content << model[:columns].map { |name, type| "**#{name}**: #{type}\n" }.join("\n")
         contents = RubyLsp::Interface::MarkupContent.new(kind: "markdown", value: content)

lib/ruby_lsp/ruby_lsp_rails/rails_client.rb

@@ -13,30 +13,23 @@ class ServerAddressUnknown < StandardError; end
       SERVER_NOT_RUNNING_MESSAGE = "Rails server is not running. " \
         "To get Rails features in the editor, boot the Rails server"
 
-      sig { returns(String) }
+      sig { returns(Pathname) }
       attr_reader :root
 
       sig { void }
       def initialize
-        project_root = Pathname.new(ENV["BUNDLE_GEMFILE"]).dirname
+        project_root = T.let(Bundler.with_unbundled_env { Bundler.default_gemfile }.dirname, Pathname)
+        dummy_path = project_root.join("test", "dummy")
 
-        if project_root.basename.to_s == ".ruby-lsp"
-          project_root = project_root.join("../")
-        end
-
-        dummy_path = File.join(project_root, "test", "dummy")
-        @root = T.let(Dir.exist?(dummy_path) ? dummy_path : project_root.to_s, String)
-        app_uri_path = "#{@root}/tmp/app_uri.txt"
-
-        if File.exist?(app_uri_path)
-          url = File.read(app_uri_path).chomp
+        @root = T.let(dummy_path.exist? ? dummy_path : project_root, Pathname)
+        app_uri_path = @root.join("tmp", "app_uri.txt")
 
-          scheme, rest = url.split("://")
-          uri, port = T.must(rest).split(":")
+        if app_uri_path.exist?
+          url = URI(app_uri_path.read.chomp)
 
-          @ssl = T.let(scheme == "https", T::Boolean)
-          @uri = T.let(T.must(uri), T.nilable(String))
-          @port = T.let(T.must(port).to_i, Integer)
+          @ssl = T.let(url.scheme == "https", T::Boolean)
+          @uri = T.let(T.must(url.path), T.nilable(String))
+          @port = T.let(T.must(url.port).to_i, Integer)
         end
       end
 

lib/ruby_lsp_rails/railtie.rb

@@ -23,8 +23,8 @@ class Railtie < ::Rails::Railtie
           if defined?(::Rails::Server)
             ssl_enable, host, port = ::Rails::Server::Options.new.parse!(ARGV).values_at(:SSLEnable, :Host, :Port)
             app_uri = "#{ssl_enable ? "https" : "http"}://#{host}:#{port}"
-            app_uri_path = "#{::Rails.root}/tmp/app_uri.txt"
-            File.write(app_uri_path, app_uri)
+            app_uri_path = ::Rails.root.join("tmp", "app_uri.txt")
+            app_uri_path.write(app_uri)
 
             at_exit do
               # The app_uri.txt file should only exist when the server is running. The extension uses its presence to

test/ruby_lsp_rails/rails_client_test.rb

@@ -40,7 +40,7 @@ class RailsClientTest < ActiveSupport::TestCase
         project_root = Pathname.new(previous_bundle_gemfile).dirname
 
         ENV["BUNDLE_GEMFILE"] = "#{project_root}/.ruby-lsp/Gemfile"
-        assert_equal("#{project_root}/test/dummy", RailsClient.new.root)
+        assert_equal("#{project_root}/test/dummy", RailsClient.new.root.to_s)
       ensure
         ENV["BUNDLE_GEMFILE"] = previous_bundle_gemfile
       end