Upgrade to rails 6.0

14 files changed, 188 insertions, 100 deletions

diff --git a/.rubocop.yml b/.rubocop.yml
index e1a7219a2..fa0c9d76c 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -57,6 +57,12 @@ Layout/SpaceAroundEqualsInParameterDefault:
 # are needed.
 Style/StringLiterals:
   EnforcedStyle: double_quotes
+  Exclude:
+    # These files are generated by rails, so it's best to keep them close to the original for smaller diffs
+    - "config/application.rb"
+    - "config/boot.rb"
+    - "config/environment.rb"
+    - "config/environments/*.rb"
 
 # We do not need to support Ruby 1.9, so this is good to use.
 Style/SymbolArray:
diff --git a/Gemfile b/Gemfile
index 1cd81b9ca..06aa176ca 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@
 
 source "https://rubygems.org"
 
-gem "rails", "5.2.8"
+gem "rails", "6.0.5.1"
 
 # Legacy Rails features, remove me!
 # responders (class level)
@@ -128,7 +128,7 @@ gem "markdown-it-html5-embed", "1.0.0"
 
 gem "http_accept_language", "2.1.1"
 gem "i18n-inflector-rails", "1.0.7"
-gem "rails-i18n",           "5.1.3"
+gem "rails-i18n",           "6.0.0"
 
 # Map
 gem "leaflet-rails",       "1.7.0"
diff --git a/Gemfile.lock b/Gemfile.lock
index 3a6990d88..fe1f5cc44 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,52 +2,66 @@ GEM
   remote: https://rubygems.org/
   remote: https://gems.diasporafoundation.org/
   specs:
-    actioncable (5.2.8)
-      actionpack (= 5.2.8)
+    actioncable (6.0.5.1)
+      actionpack (= 6.0.5.1)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailer (5.2.8)
-      actionpack (= 5.2.8)
-      actionview (= 5.2.8)
-      activejob (= 5.2.8)
+    actionmailbox (6.0.5.1)
+      actionpack (= 6.0.5.1)
+      activejob (= 6.0.5.1)
+      activerecord (= 6.0.5.1)
+      activestorage (= 6.0.5.1)
+      activesupport (= 6.0.5.1)
+      mail (>= 2.7.1)
+    actionmailer (6.0.5.1)
+      actionpack (= 6.0.5.1)
+      actionview (= 6.0.5.1)
+      activejob (= 6.0.5.1)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.2.8)
-      actionview (= 5.2.8)
-      activesupport (= 5.2.8)
+    actionpack (6.0.5.1)
+      actionview (= 6.0.5.1)
+      activesupport (= 6.0.5.1)
       rack (~> 2.0, >= 2.0.8)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.2.8)
-      activesupport (= 5.2.8)
+      rails-html-sanitizer (~> 1.0, >= 1.2.0)
+    actiontext (6.0.5.1)
+      actionpack (= 6.0.5.1)
+      activerecord (= 6.0.5.1)
+      activestorage (= 6.0.5.1)
+      activesupport (= 6.0.5.1)
+      nokogiri (>= 1.8.5)
+    actionview (6.0.5.1)
+      activesupport (= 6.0.5.1)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.0.3)
+      rails-html-sanitizer (~> 1.1, >= 1.2.0)
     active_model_serializers (0.9.8)
       activemodel (>= 3.2)
       concurrent-ruby (~> 1.0)
-    activejob (5.2.8)
-      activesupport (= 5.2.8)
+    activejob (6.0.5.1)
+      activesupport (= 6.0.5.1)
       globalid (>= 0.3.6)
-    activemodel (5.2.8)
-      activesupport (= 5.2.8)
-    activerecord (5.2.8)
-      activemodel (= 5.2.8)
-      activesupport (= 5.2.8)
-      arel (>= 9.0)
+    activemodel (6.0.5.1)
+      activesupport (= 6.0.5.1)
+    activerecord (6.0.5.1)
+      activemodel (= 6.0.5.1)
+      activesupport (= 6.0.5.1)
     activerecord-import (1.4.0)
       activerecord (>= 4.2)
-    activestorage (5.2.8)
-      actionpack (= 5.2.8)
-      activerecord (= 5.2.8)
-      marcel (~> 1.0.0)
-    activesupport (5.2.8)
+    activestorage (6.0.5.1)
+      actionpack (= 6.0.5.1)
+      activejob (= 6.0.5.1)
+      activerecord (= 6.0.5.1)
+      marcel (~> 1.0)
+    activesupport (6.0.5.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
+      zeitwerk (~> 2.2, >= 2.2.2)
     acts-as-taggable-on (8.1.0)
       activerecord (>= 5.0, < 6.2)
     acts_as_api (1.0.1)
@@ -60,7 +74,6 @@ GEM
     apparition (0.6.0)
       capybara (~> 3.13, < 4)
       websocket-driver (>= 0.6.5)
-    arel (9.0.0)
     asset_sync (2.15.2)
       activemodel (>= 4.1.0)
       fog-core
@@ -317,7 +330,7 @@ GEM
       mime-types (~> 3.0)
       multi_xml (>= 0.5.2)
     httpclient (2.8.3)
-    i18n (1.10.0)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     i18n-inflector (2.6.7)
       i18n (>= 0.4.1)
@@ -502,18 +515,20 @@ GEM
       rack
     rack-test (2.0.2)
       rack (>= 1.3)
-    rails (5.2.8)
-      actioncable (= 5.2.8)
-      actionmailer (= 5.2.8)
-      actionpack (= 5.2.8)
-      actionview (= 5.2.8)
-      activejob (= 5.2.8)
-      activemodel (= 5.2.8)
-      activerecord (= 5.2.8)
-      activestorage (= 5.2.8)
-      activesupport (= 5.2.8)
+    rails (6.0.5.1)
+      actioncable (= 6.0.5.1)
+      actionmailbox (= 6.0.5.1)
+      actionmailer (= 6.0.5.1)
+      actionpack (= 6.0.5.1)
+      actiontext (= 6.0.5.1)
+      actionview (= 6.0.5.1)
+      activejob (= 6.0.5.1)
+      activemodel (= 6.0.5.1)
+      activerecord (= 6.0.5.1)
+      activestorage (= 6.0.5.1)
+      activesupport (= 6.0.5.1)
       bundler (>= 1.3.0)
-      railties (= 5.2.8)
+      railties (= 6.0.5.1)
       sprockets-rails (>= 2.0.0)
     rails-assets-autosize (4.0.2)
     rails-assets-backbone (1.3.3)
@@ -571,18 +586,18 @@ GEM
       nokogiri (>= 1.6)
     rails-html-sanitizer (1.4.3)
       loofah (~> 2.3)
-    rails-i18n (5.1.3)
+    rails-i18n (6.0.0)
       i18n (>= 0.7, < 2)
-      railties (>= 5.0, < 6)
+      railties (>= 6.0.0, < 7)
     rails-timeago (2.20.0)
       actionpack (>= 5.2)
       activesupport (>= 5.2)
-    railties (5.2.8)
-      actionpack (= 5.2.8)
-      activesupport (= 5.2.8)
+    railties (6.0.5.1)
+      actionpack (= 6.0.5.1)
+      activesupport (= 6.0.5.1)
       method_source
       rake (>= 0.8.7)
-      thor (>= 0.19.0, < 2.0)
+      thor (>= 0.20.3, < 2.0)
     rainbow (3.1.1)
     raindrops (0.20.0)
     rake (12.3.3)
@@ -770,6 +785,7 @@ GEM
       nokogiri (~> 1.8)
     yard (0.9.28)
       webrick (~> 1.7.0)
+    zeitwerk (2.6.0)
 
 PLATFORMS
   ruby
@@ -849,7 +865,7 @@ DEPENDENCIES
   rack-piwik (= 0.3.0)
   rack-rewrite (= 1.5.1)
   rack-ssl (= 1.4.1)
-  rails (= 5.2.8)
+  rails (= 6.0.5.1)
   rails-assets-autosize (= 4.0.2)!
   rails-assets-backbone (= 1.3.3)!
   rails-assets-blueimp-gallery (= 2.33.0)!
@@ -875,7 +891,7 @@ DEPENDENCIES
   rails-assets-markdown-it-sup (= 1.0.0)!
   rails-assets-utatti-perfect-scrollbar (= 1.4.0)!
   rails-controller-testing (= 1.0.5)
-  rails-i18n (= 5.1.3)
+  rails-i18n (= 6.0.0)
   rails-timeago (= 2.20.0)
   redcarpet (= 3.5.1)
   redis (= 4.7.0)
diff --git a/app/mailers/notifier.rb b/app/mailers/notifier.rb
index 977883985..35b3f9f69 100644
--- a/app/mailers/notifier.rb
+++ b/app/mailers/notifier.rb
@@ -54,8 +54,8 @@ class Notifier < ApplicationMailer
     @notification = NotificationMailers.const_get(type.to_s.camelize).new(*args)
 
     with_recipient_locale do
+      self.action_name = type
       mail(@notification.headers) do |format|
-        self.action_name = type
         format.text
         format.html
       end
diff --git a/bin/setup b/bin/setup
new file mode 100755
index 000000000..0e39e8cb1
--- /dev/null
+++ b/bin/setup
@@ -0,0 +1,33 @@
+#!/usr/bin/env ruby
+require 'fileutils'
+
+# path to your application root.
+APP_ROOT = File.expand_path('..', __dir__)
+
+def system!(*args)
+  system(*args) || abort("\n== Command #{args} failed ==")
+end
+
+FileUtils.chdir APP_ROOT do
+  # This script is a way to setup or update your development environment automatically.
+  # This script is idempotent, so that you can run it at anytime and get an expectable outcome.
+  # Add necessary setup steps to this file.
+
+  puts '== Installing dependencies =='
+  system! 'gem install bundler --conservative'
+  system('bundle check') || system!('bundle install')
+
+  # puts "\n== Copying sample files =="
+  # unless File.exist?('config/database.yml')
+  #   FileUtils.cp 'config/database.yml.sample', 'config/database.yml'
+  # end
+
+  puts "\n== Preparing database =="
+  system! 'bin/rails db:prepare'
+
+  puts "\n== Removing old logs and tempfiles =="
+  system! 'bin/rails log:clear tmp:clear'
+
+  puts "\n== Restarting application server =="
+  system! 'bin/rails restart'
+end
diff --git a/config/application.rb b/config/application.rb
index 83c82284d..36b801b9d 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -32,42 +32,26 @@ require_relative 'asset_sync'
 module Diaspora
   class Application < Rails::Application
     # Initialize configuration defaults for originally generated Rails version.
-    config.load_defaults 5.1
+    config.load_defaults 6.0
 
     # Settings in config/environments/* take precedence over those specified here.
-    # Application configuration should go into files in config/initializers
-    # -- all .rb files in that directory are automatically loaded.
+    # Application configuration can go into files in config/initializers
+    # -- all .rb files in that directory are automatically loaded after loading
+    # the framework and any gems in your application.
+
+    # Use classic autoloader for now
+    config.autoloader = :classic
 
     # Custom directories with classes and modules you want to be autoloadable.
     config.autoload_paths      += %W[#{config.root}/app]
     config.autoload_once_paths += %W[#{config.root}/lib]
 
-    # Only load the plugins named here, in the order given (default is alphabetical).
-    # :all can be used as a placeholder for all plugins not explicitly named.
-    # config.plugins = [ :exception_notification, :ssl_requirement, :all ]
-
-    # Activate observers that should always be running.
-    # config.active_record.observers = :cacher, :garbage_collector, :forum_observer
-
-    # Set Time.zone default to the specified zone and make Active Record auto-convert to this zone.
-    # Run "rake -D time" for a list of tasks for finding time zone names. Default is UTC.
-    # config.time_zone = 'Central Time (US & Canada)'
-
-    # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
-    # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s]
-    # config.i18n.default_locale = :de
-
-    # Configure the default encoding used in templates for Ruby 1.9.
-    config.encoding = "utf-8"
+    # Allow to decode Time from serialized columns
+    config.active_record.yaml_column_permitted_classes = [Time]
 
     # Enable escaping HTML in JSON.
     config.active_support.escape_html_entities_in_json = true
 
-    # Use SQL instead of Active Record's schema dumper when creating the database.
-    # This is necessary if your schema can't be completely dumped by the schema dumper,
-    # like if you have constraints or database-specific column types
-    # config.active_record.schema_format = :sql
-
     # Enable the asset pipeline
     config.assets.enabled = true
 
@@ -75,7 +59,7 @@ module Diaspora
     config.assets.initialize_on_precompile = false
 
     # See lib/tasks/assets.rake: non_digest_assets
-    config.assets.non_digest_assets = %w(branding/logos/asterisk.png)
+    config.assets.non_digest_assets = %w[branding/logos/asterisk.png]
 
     # Configure generators values. Many other options are available, be sure to check the documentation.
     config.generators do |g|
diff --git a/config/boot.rb b/config/boot.rb
index dcd2d28d5..4fe16d4e8 100644
--- a/config/boot.rb
+++ b/config/boot.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../Gemfile", __dir__)
+ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../Gemfile', __dir__)
 
 require "bundler/setup" # Set up gems listed in the Gemfile.
 
diff --git a/config/environments/development.rb b/config/environments/development.rb
index ea9b17981..8358d6b51 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -15,12 +15,14 @@ Rails.application.configure do
   config.consider_all_requests_local = true
 
   # Enable/disable caching. By default caching is disabled.
-  if Rails.root.join("tmp", "caching-dev.txt").exist?
+  # Run rails dev:cache to toggle caching.
+  if Rails.root.join('tmp/caching-dev.txt').exist?
     config.action_controller.perform_caching = true
+    config.action_controller.enable_fragment_cache_logging = true
 
     config.cache_store = :memory_store
     config.public_file_server.headers = {
-      "Cache-Control" => "public, max-age=#{2.days.seconds.to_i}"
+      'Cache-Control' => "public, max-age=#{2.days.to_i}"
     }
   else
     config.action_controller.perform_caching = false
@@ -28,6 +30,9 @@ Rails.application.configure do
     config.cache_store = :null_store
   end
 
+  # Store uploaded files on the local file system (see config/storage.yml for options).
+  # config.active_storage.service = :local
+
   # Don't care if the mailer can't send.
   config.action_mailer.raise_delivery_errors = false
 
@@ -39,6 +44,9 @@ Rails.application.configure do
   # Raise an error on page load if there are pending migrations.
   config.active_record.migration_error = :page_load
 
+  # Highlight code that triggered database queries in logs.
+  config.active_record.verbose_query_logs = true
+
   # Debug mode disables concatenation and preprocessing of assets.
   # This option may cause significant delays in view rendering with a large
   # number of complex assets.
@@ -53,13 +61,16 @@ Rails.application.configure do
   # Show the logging configuration on STDOUT
   config.show_log_configuration = true
 
-  # Raises error for missing translations
+  # Raises error for missing translations.
   # config.action_view.raise_on_missing_translations = true
 
   # Use an evented file watcher to asynchronously detect changes in source code,
   # routes, locales, etc. This feature depends on the listen gem.
   config.file_watcher = ActiveSupport::EventedFileUpdateChecker
 
+  # Allow the host configured in the diaspora.toml to access the development server
+  config.hosts << AppConfig.pod_uri.host
+
   # Speed up asset serving
   config.middleware.insert 0, TurboDevAssets
 end
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 13a91a017..60b0ba0f3 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -17,14 +17,13 @@ Rails.application.configure do
   config.consider_all_requests_local       = false
   config.action_controller.perform_caching = true
 
-  # Attempt to read encrypted secrets from `config/secrets.yml.enc`.
-  # Requires an encryption key in `ENV["RAILS_MASTER_KEY"]` or
-  # `config/secrets.yml.key`.
-  config.read_encrypted_secrets = true
+  # Ensures that a master key has been made available in either ENV["RAILS_MASTER_KEY"]
+  # or in config/master.key. This key is used to decrypt credentials (and other encrypted files).
+  # config.require_master_key = true
 
   # Disable serving static files from the `/public` folder by default since
   # Apache or NGINX already handles this.
-  config.public_file_server.enabled = ENV["RAILS_SERVE_STATIC_FILES"].present?
+  config.public_file_server.enabled = ENV['RAILS_SERVE_STATIC_FILES'].present?
 
   # Compress JavaScripts and CSS.
   config.assets.js_compressor = :terser
@@ -45,7 +44,10 @@ Rails.application.configure do
   # config.action_dispatch.x_sendfile_header = 'X-Sendfile' # for Apache
   # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for NGINX
 
-  # Mount Action Cable outside main process or domain
+  # Store uploaded files on the local file system (see config/storage.yml for options).
+  # config.active_storage.service = :local
+
+  # Mount Action Cable outside main process or domain.
   # config.action_cable.mount_path = nil
   # config.action_cable.url = 'wss://example.com/cable'
   # config.action_cable.allowed_request_origins = [ 'http://example.com', /http:\/\/example.*/ ]
@@ -68,12 +70,20 @@ Rails.application.configure do
   # Use a different cache store in production.
   # config.cache_store = :mem_cache_store
 
+  # Use a real queuing backend for Active Job (and separate queues per environment).
+  # config.active_job.queue_adapter     = :resque
+  # config.active_job.queue_name_prefix = "diaspora_production"
+
   config.action_mailer.perform_caching = false
 
   # Ignore bad email addresses and do not raise email delivery errors.
   # Set this to true and configure the email server for immediate delivery to raise delivery errors.
   # config.action_mailer.raise_delivery_errors = false
 
+  # Enable locale fallbacks for I18n (makes lookups for any locale fall back to
+  # the I18n.default_locale when a translation cannot be found).
+  config.i18n.fallbacks = true
+
   # Send deprecation notices to registered listeners.
   config.active_support.deprecation = :notify
 
@@ -92,4 +102,25 @@ Rails.application.configure do
 
   # Do not dump schema after migrations.
   config.active_record.dump_schema_after_migration = false
+
+  # Inserts middleware to perform automatic connection switching.
+  # The `database_selector` hash is used to pass options to the DatabaseSelector
+  # middleware. The `delay` is used to determine how long to wait after a write
+  # to send a subsequent read to the primary.
+  #
+  # The `database_resolver` class is used by the middleware to determine which
+  # database is appropriate to use based on the time delay.
+  #
+  # The `database_resolver_context` class is used by the middleware to set
+  # timestamps for the last write to the primary. The resolver uses the context
+  # class timestamps to determine how long to wait before reading from the
+  # replica.
+  #
+  # By default Rails will store a last write timestamp in the session. The
+  # DatabaseSelector middleware is designed as such you can define your own
+  # strategy for connection switching and pass that into the middleware through
+  # these configuration options.
+  # config.active_record.database_selector = { delay: 2.seconds }
+  # config.active_record.database_resolver = ActiveRecord::Middleware::DatabaseSelector::Resolver
+  # config.active_record.database_resolver_context = ActiveRecord::Middleware::DatabaseSelector::Resolver::Session
 end
diff --git a/config/environments/test.rb b/config/environments/test.rb
index 4f56e4017..0762db9fd 100644
--- a/config/environments/test.rb
+++ b/config/environments/test.rb
@@ -1,12 +1,13 @@
 # frozen_string_literal: true
 
+# The test environment is used exclusively to run your application's
+# test suite. You never need to work with it otherwise. Remember that
+# your test database is "scratch space" for the test suite and is wiped
+# and recreated between test runs. Don't rely on the data there!
+
 Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb.
 
-  # The test environment is used exclusively to run your application's
-  # test suite. You never need to work with it otherwise. Remember that
-  # your test database is "scratch space" for the test suite and is wiped
-  # and recreated between test runs. Don't rely on the data there!
   config.cache_classes = true
 
   # Do not eager load code on boot. This avoids loading your whole application
@@ -17,7 +18,7 @@ Rails.application.configure do
   # Configure public file server for tests with Cache-Control for performance.
   config.public_file_server.enabled = true
   config.public_file_server.headers = {
-    "Cache-Control" => "public, max-age=#{1.hour.seconds.to_i}"
+    'Cache-Control' => "public, max-age=#{1.hour.to_i}"
   }
 
   # Suppress logger output for asset requests.
@@ -38,12 +39,17 @@ Rails.application.configure do
   # Show full error reports and disable caching.
   config.consider_all_requests_local       = true
   config.action_controller.perform_caching = false
+  config.cache_store = :null_store
 
   # Raise exceptions instead of rendering exception templates.
   config.action_dispatch.show_exceptions = false
 
   # Disable request forgery protection in test environment.
   config.action_controller.allow_forgery_protection = false
+
+  # Store uploaded files on the local file system in a temporary directory.
+  # config.active_storage.service = :test
+
   config.action_mailer.perform_caching = false
 
   # Tell Action Mailer not to deliver emails to the real world.
@@ -57,7 +63,7 @@ Rails.application.configure do
   # Set the logging destination(s)
   config.log_to = %w[file]
 
-  # Raises error for missing translations
+  # Raises error for missing translations.
   # config.action_view.raise_on_missing_translations = true
 
   # for fixture_builder
diff --git a/config/initializers/application_controller_renderer.rb b/config/initializers/application_controller_renderer.rb
index 315ac48a9..f4556db39 100644
--- a/config/initializers/application_controller_renderer.rb
+++ b/config/initializers/application_controller_renderer.rb
@@ -1,7 +1,9 @@
 # frozen_string_literal: true
 # Be sure to restart your server when you modify this file.
 
-# ApplicationController.renderer.defaults.merge!(
-#   http_host: 'example.org',
-#   https: false
-# )
+# ActiveSupport::Reloader.to_prepare do
+#   ApplicationController.renderer.defaults.merge!(
+#     http_host: 'example.org',
+#     https: false
+#   )
+# end
diff --git a/config/initializers/filter_parameter_logging.rb b/config/initializers/filter_parameter_logging.rb
index 791647716..dde581019 100644
--- a/config/initializers/filter_parameter_logging.rb
+++ b/config/initializers/filter_parameter_logging.rb
@@ -3,5 +3,4 @@
 # Be sure to restart your server when you modify this file.
 
 # Configure sensitive parameters which will be filtered from the log file.
-Rails.application.config.filter_parameters += %i[password message text bio]
-Rails.application.config.filter_parameters += [:otp_attempt]
+Rails.application.config.filter_parameters += %i[password otp_attempt message text bio]
diff --git a/config/routes.rb b/config/routes.rb
index 88c1d5fde..5c0d4f19c 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -8,7 +8,7 @@ require "sidekiq/web"
 require "sidekiq/cron/web"
 
 Rails.application.routes.draw do
-  # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
+  # For details on the DSL available within this file, see https://guides.rubyonrails.org/routing.html
 
   resources :report, except: %i(edit new show)
 
diff --git a/spec/controllers/node_info_controller_spec.rb b/spec/controllers/node_info_controller_spec.rb
index ba3c10738..fcad4bc31 100644
--- a/spec/controllers/node_info_controller_spec.rb
+++ b/spec/controllers/node_info_controller_spec.rb
@@ -52,7 +52,7 @@ describe NodeInfoController do
           get :document, params: {version: version}, format: :json
 
           expect(response.content_type)
-            .to eq("application/json; profile=http://nodeinfo.diaspora.software/ns/schema/#{version}#")
+            .to eq("application/json; profile=http://nodeinfo.diaspora.software/ns/schema/#{version}#; charset=utf-8")
         end
       end
     end