diff options
6 files changed, 47 insertions, 23 deletions
diff --git a/actioncable/lib/action_cable/server/configuration.rb b/actioncable/lib/action_cable/server/configuration.rb index 82fed81a18..26209537df 100644 --- a/actioncable/lib/action_cable/server/configuration.rb +++ b/actioncable/lib/action_cable/server/configuration.rb @@ -25,13 +25,26 @@ module ActionCable # Also makes sure proper dependencies are required. def pubsub_adapter adapter = (cable.fetch("adapter") { "redis" }) + + # Require the adapter itself and give useful feedback about + # 1. Missing adapter gems and + # 2. Adapter gems' missing dependencies. path_to_adapter = "action_cable/subscription_adapter/#{adapter}" begin require path_to_adapter - rescue Gem::LoadError => e - raise Gem::LoadError, "Specified '#{adapter}' for Action Cable pubsub adapter, but the gem is not loaded. Add `gem '#{e.name}'` to your Gemfile (and ensure its version is at the minimum required by Action Cable)." rescue LoadError => e - raise LoadError, "Could not load '#{path_to_adapter}'. Make sure that the adapter in config/cable.yml is valid. If you use an adapter other than 'postgresql' or 'redis' add the necessary adapter gem to the Gemfile.", e.backtrace + # We couldn't require the adapter itself. Raise an exception that + # points out config typos and missing gems. + if e.path == path_to_adapter + # We can assume that a non-builtin adapter was specified, so it's + # either misspelled or missing from Gemfile. + raise e.class, "Could not load the '#{adapter}' Action Cable pubsub adapter. Ensure that the adapter is spelled correctly in config/cable.yml and that you've added the necessary adapter gem to your Gemfile.", e.backtrace + + # Bubbled up from the adapter require. Prefix the exception message + # with some guidance about how to address it and reraise. + else + raise e.class, "Error loading the '#{adapter}' Action Cable pubsub adapter. Missing a gem it depends on? #{e.message}", e.backtrace + end end adapter = adapter.camelize diff --git a/activerecord/lib/active_record/connection_adapters/connection_specification.rb b/activerecord/lib/active_record/connection_adapters/connection_specification.rb index 29542f917e..e9bda1885b 100644 --- a/activerecord/lib/active_record/connection_adapters/connection_specification.rb +++ b/activerecord/lib/active_record/connection_adapters/connection_specification.rb @@ -183,13 +183,25 @@ module ActiveRecord raise(AdapterNotSpecified, "database configuration does not specify adapter") unless spec.key?(:adapter) + # Require the adapter itself and give useful feedback about + # 1. Missing adapter gems and + # 2. Adapter gems' missing dependencies. path_to_adapter = "active_record/connection_adapters/#{spec[:adapter]}_adapter" begin require path_to_adapter - rescue Gem::LoadError => e - raise Gem::LoadError, "Specified '#{spec[:adapter]}' for database adapter, but the gem is not loaded. Add `gem '#{e.name}'` to your Gemfile (and ensure its version is at the minimum required by ActiveRecord)." rescue LoadError => e - raise LoadError, "Could not load '#{path_to_adapter}'. Make sure that the adapter in config/database.yml is valid. If you use an adapter other than 'mysql2', 'postgresql' or 'sqlite3' add the necessary adapter gem to the Gemfile.", e.backtrace + # We couldn't require the adapter itself. Raise an exception that + # points out config typos and missing gems. + if e.path == path_to_adapter + # We can assume that a non-builtin adapter was specified, so it's + # either misspelled or missing from Gemfile. + raise e.class, "Could not load the '#{spec[:adapter]}' Active Record adapter. Ensure that the adapter is spelled correctly in config/database.yml and that you've added the necessary adapter gem to your Gemfile.", e.backtrace + + # Bubbled up from the adapter require. Prefix the exception message + # with some guidance about how to address it and reraise. + else + raise e.class, "Error loading the '#{spec[:adapter]}' Action Record adapter. Missing a gem it depends on? #{e.message}", e.backtrace + end end adapter_method = "#{spec[:adapter]}_connection" diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb index 5d4b549470..5ccfe3d1b7 100644 --- a/activerecord/lib/active_record/relation/finder_methods.rb +++ b/activerecord/lib/active_record/relation/finder_methods.rb @@ -310,12 +310,12 @@ module ActiveRecord return false if !conditions || limit_value == 0 - relation = self unless eager_loading? - relation ||= apply_join_dependency(self, construct_join_dependency(eager_loading: false)) - - return false if ActiveRecord::NullRelation === relation + if eager_loading? + relation = apply_join_dependency(construct_join_dependency(eager_loading: false)) + return relation.exists?(conditions) + end - relation = construct_relation_for_exists(relation, conditions) + relation = construct_relation_for_exists(conditions) skip_query_cache_if_necessary { connection.select_value(relation.arel, "#{name} Exists") } ? true : false rescue ::RangeError @@ -368,15 +368,14 @@ module ActiveRecord # join_dependency = construct_join_dependency(joins_values) - aliases = join_dependency.aliases - relation = select aliases.columns - relation = apply_join_dependency(relation, join_dependency) + relation = apply_join_dependency(join_dependency) + relation._select!(join_dependency.aliases.columns) yield relation, join_dependency end - def construct_relation_for_exists(relation, conditions) - relation = relation.except(:select, :distinct, :order)._select!(ONE_AS_ONE).limit!(1) + def construct_relation_for_exists(conditions) + relation = except(:select, :distinct, :order)._select!(ONE_AS_ONE).limit!(1) case conditions when Array, Hash @@ -396,11 +395,11 @@ module ActiveRecord end def construct_relation_for_association_calculations - apply_join_dependency(self, construct_join_dependency(joins_values)) + apply_join_dependency(construct_join_dependency(joins_values)) end - def apply_join_dependency(relation, join_dependency) - relation = relation.except(:includes, :eager_load, :preload).joins!(join_dependency) + def apply_join_dependency(join_dependency) + relation = except(:includes, :eager_load, :preload).joins!(join_dependency) if using_limitable_reflections?(join_dependency.reflections) relation diff --git a/activerecord/test/cases/connection_specification/resolver_test.rb b/activerecord/test/cases/connection_specification/resolver_test.rb index 3fa0ca8366..5b80f16a44 100644 --- a/activerecord/test/cases/connection_specification/resolver_test.rb +++ b/activerecord/test/cases/connection_specification/resolver_test.rb @@ -19,7 +19,7 @@ module ActiveRecord spec "ridiculous://foo?encoding=utf8" end - assert_match "Could not load 'active_record/connection_adapters/ridiculous_adapter'", error.message + assert_match "Could not load the 'ridiculous' Active Record adapter. Ensure that the adapter is spelled correctly in config/database.yml and that you've added the necessary adapter gem to your Gemfile.", error.message end # The abstract adapter is used simply to bypass the bit of code that diff --git a/activesupport/lib/active_support/cache/file_store.rb b/activesupport/lib/active_support/cache/file_store.rb index 28df2c066e..f98d343ccd 100644 --- a/activesupport/lib/active_support/cache/file_store.rb +++ b/activesupport/lib/active_support/cache/file_store.rb @@ -39,9 +39,8 @@ module ActiveSupport def cleanup(options = nil) options = merged_options(options) search_dir(cache_path) do |fname| - key = file_path_key(fname) - entry = read_entry(key, options) - delete_entry(key, options) if entry && entry.expired? + entry = read_entry(fname, options) + delete_entry(fname, options) if entry && entry.expired? end end diff --git a/activesupport/test/cache/stores/file_store_test.rb b/activesupport/test/cache/stores/file_store_test.rb index 391ab60b3a..66231b0a82 100644 --- a/activesupport/test/cache/stores/file_store_test.rb +++ b/activesupport/test/cache/stores/file_store_test.rb @@ -118,6 +118,7 @@ class FileStoreTest < ActiveSupport::TestCase assert_not @cache.exist?("foo") assert @cache.exist?("baz") assert @cache.exist?("quux") + assert_equal 2, Dir.glob(File.join(cache_dir, "**")).size end end |