rubocop -a --only Style/StringLiterals

Gemfile

@@ -1,11 +1,11 @@
 # frozen_string_literal: true
 
-source 'https://rubygems.org'
+source "https://rubygems.org"
 
-eval_gemfile 'Gemfile.devtools'
+eval_gemfile "Gemfile.devtools"
 
 gemspec
 
 group :tools do
-  gem 'pry-byebug', platform: :mri
+  gem "pry-byebug", platform: :mri
 end

Rakefile

@@ -1,14 +1,14 @@
 #!/usr/bin/env rake
 # frozen_string_literal: true
 
-require 'bundler/gem_tasks'
+require "bundler/gem_tasks"
 
-$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), 'lib'))
+$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), "lib"))
 
-require 'rspec/core'
-require 'rspec/core/rake_task'
+require "rspec/core"
+require "rspec/core/rake_task"
 
 task default: :spec
 
-desc 'Run all specs in spec directory'
+desc "Run all specs in spec directory"
 RSpec::Core::RakeTask.new(:spec)

lib/dry-container.rb

@@ -1,3 +1,3 @@
 # frozen_string_literal: true
 
-require 'dry/container'
+require "dry/container"

lib/dry/container.rb

@@ -1,13 +1,13 @@
 # frozen_string_literal: true
 
-require 'dry-configurable'
-require 'dry/container/error'
-require 'dry/container/namespace'
-require 'dry/container/registry'
-require 'dry/container/resolver'
-require 'dry/container/namespace_dsl'
-require 'dry/container/mixin'
-require 'dry/container/version'
+require "dry-configurable"
+require "dry/container/error"
+require "dry/container/namespace"
+require "dry/container/registry"
+require "dry/container/resolver"
+require "dry/container/namespace_dsl"
+require "dry/container/mixin"
+require "dry/container/version"
 
 # A collection of micro-libraries, each intended to encapsulate
 # a common task in Ruby

lib/dry/container/item/callable.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require 'dry/container/item'
+require "dry/container/item"
 
 module Dry
   class Container

lib/dry/container/item/factory.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
-require 'dry/container/item/memoizable'
-require 'dry/container/item/callable'
+require "dry/container/item/memoizable"
+require "dry/container/item/callable"
 
 module Dry
   class Container

lib/dry/container/item/memoizable.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require 'dry/container/item'
+require "dry/container/item"
 
 module Dry
   class Container
@@ -41,7 +41,7 @@ module Dry
 
         # @private
         def raise_not_supported_error
-          raise ::Dry::Container::Error, 'Memoize only supported for a block or a proc'.freeze
+          raise ::Dry::Container::Error, "Memoize only supported for a block or a proc".freeze
         end
       end
     end

lib/dry/container/mixin.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require 'concurrent/hash'
+require "concurrent/hash"
 
 module Dry
   class Container
@@ -49,7 +49,7 @@ module Dry
 
           setting :registry, ::Dry::Container::Registry.new
           setting :resolver, ::Dry::Container::Resolver.new
-          setting :namespace_separator, '.'
+          setting :namespace_separator, "."
 
           @_container = ::Concurrent::Hash.new
         end
@@ -71,7 +71,7 @@ module Dry
 
           setting :registry, ::Dry::Container::Registry.new
           setting :resolver, ::Dry::Container::Resolver.new
-          setting :namespace_separator, '.'
+          setting :namespace_separator, "."
 
           def config
             self.class.config
@@ -221,7 +221,7 @@ module Dry
         if with.is_a?(Class)
           decorator = with.method(:new)
         elsif block.nil? && !with.respond_to?(:call)
-          raise Error, 'Decorator needs to be a Class, block, or respond to the `call` method'
+          raise Error, "Decorator needs to be a Class, block, or respond to the `call` method"
         else
           decorator = with || block
         end

lib/dry/container/namespace_dsl.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require 'delegate'
+require "delegate"
 
 module Dry
   class Container

lib/dry/container/registry.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require 'dry/container/item/factory'
+require "dry/container/item/factory"
 
 module Dry
   class Container

lib/dry/container/version.rb

@@ -3,6 +3,6 @@
 module Dry
   class Container
     # @api public
-    VERSION = '0.7.2'.freeze
+    VERSION = "0.7.2".freeze
   end
 end

rakelib/rubocop.rake

@@ -1,18 +1,18 @@
 # frozen_string_literal: true
 
 begin
-  require 'rubocop/rake_task'
+  require "rubocop/rake_task"
 
   Rake::Task[:default].enhance [:rubocop]
 
   RuboCop::RakeTask.new do |task|
-    task.options << '--display-cop-names'
+    task.options << "--display-cop-names"
   end
 
   namespace :rubocop do
-    desc 'Generate a configuration file acting as a TODO list.'
+    desc "Generate a configuration file acting as a TODO list."
     task :auto_gen_config do
-      exec 'bundle exec rubocop --auto-gen-config'
+      exec "bundle exec rubocop --auto-gen-config"
     end
   end
 

spec/integration/container_spec.rb

@@ -4,10 +4,10 @@ RSpec.describe Dry::Container do
   let(:klass) { Dry::Container }
   let(:container) { klass.new }
 
-  it_behaves_like 'a container'
+  it_behaves_like "a container"
 
-  describe 'inheritance' do
-    it 'sets up a container for a child class' do
+  describe "inheritance" do
+    it "sets up a container for a child class" do
       parent = Class.new { extend Dry::Container::Mixin }
       child = Class.new(parent)
 

spec/integration/mixin_spec.rb

@@ -1,24 +1,24 @@
 # frozen_string_literal: true
 
 RSpec.describe Dry::Container::Mixin do
-  describe 'extended' do
+  describe "extended" do
     let(:klass) do
       Class.new { extend Dry::Container::Mixin }
     end
     let(:container) { klass }
 
-    it_behaves_like 'a container'
+    it_behaves_like "a container"
   end
 
-  describe 'included' do
+  describe "included" do
     let(:klass) do
       Class.new { include Dry::Container::Mixin }
     end
     let(:container) { klass.new }
 
-    it_behaves_like 'a container'
+    it_behaves_like "a container"
 
-    context 'into a class with a custom .initialize method' do
+    context "into a class with a custom .initialize method" do
       let(:klass) do
         Class.new do
           include Dry::Container::Mixin
@@ -26,7 +26,7 @@ RSpec.describe Dry::Container::Mixin do
         end
       end
 
-      it 'does not fail on missing member variable' do
+      it "does not fail on missing member variable" do
         expect { container.register :key, -> {} }.to_not raise_error
       end
     end

spec/spec_helper.rb

@@ -1,20 +1,20 @@
 # frozen_string_literal: true
 
-require_relative 'support/coverage'
+require_relative "support/coverage"
 
 begin
-  require 'pry-byebug'
+  require "pry-byebug"
 rescue LoadError
 end
 
-require 'pathname'
+require "pathname"
 
-Dir[Pathname(__FILE__).dirname.join('support/**/*.rb').to_s].each do |file|
+Dir[Pathname(__FILE__).dirname.join("support/**/*.rb").to_s].each do |file|
   require file
 end
 
-require 'dry/container'
-require 'dry/container/stub'
+require "dry/container"
+require "dry/container/stub"
 
 # See http://rubydoc.info/gems/rspec-core/RSpec/Core/Configuration
 RSpec.configure do |config|
@@ -53,7 +53,7 @@ RSpec.configure do |config|
   # Allows RSpec to persist some state between runs in order to support
   # the `--only-failures` and `--next-failure` CLI options. We recommend
   # you configure your source control system to ignore this file.
-  config.example_status_persistence_file_path = 'spec/examples.txt'
+  config.example_status_persistence_file_path = "spec/examples.txt"
 
   # Limits the available syntax to the non-monkey patched syntax that is
   # recommended. For more details, see:
@@ -73,7 +73,7 @@ RSpec.configure do |config|
     # Use the documentation formatter for detailed output,
     # unless a formatter has already been configured
     # (e.g. via a command-line flag).
-    config.default_formatter = 'doc'
+    config.default_formatter = "doc"
   end
 
   # Print the n slowest examples and example groups at the

spec/support/shared_examples/container.rb

@@ -1,14 +1,14 @@
 # frozen_string_literal: true
 
-RSpec.shared_examples 'a container' do
-  describe 'configuration' do
-    describe 'registry' do
-      describe 'default' do
+RSpec.shared_examples "a container" do
+  describe "configuration" do
+    describe "registry" do
+      describe "default" do
         it { expect(klass.config.registry).to be_a(Dry::Container::Registry) }
       end
 
-      describe 'custom' do
-        let(:custom_registry) { double('Registry') }
+      describe "custom" do
+        let(:custom_registry) { double("Registry") }
         let(:key) { :key }
         let(:item) { :item }
         let(:options) { {} }
@@ -42,14 +42,14 @@ RSpec.shared_examples 'a container' do
       end
     end
 
-    describe 'resolver' do
-      describe 'default' do
+    describe "resolver" do
+      describe "default" do
         it { expect(klass.config.resolver).to be_a(Dry::Container::Resolver) }
       end
 
-      describe 'custom' do
-        let(:custom_resolver) { double('Resolver') }
-        let(:item) { double('Item') }
+      describe "custom" do
+        let(:custom_resolver) { double("Resolver") }
+        let(:item) { double("Item") }
         let(:key) { :key }
 
         before do
@@ -75,16 +75,16 @@ RSpec.shared_examples 'a container' do
       end
     end
 
-    describe 'namespace_separator' do
-      describe 'default' do
-        it { expect(klass.config.namespace_separator).to eq('.') }
+    describe "namespace_separator" do
+      describe "default" do
+        it { expect(klass.config.namespace_separator).to eq(".") }
       end
 
-      describe 'custom' do
-        let(:custom_registry) { double('Registry') }
-        let(:key) { 'key' }
-        let(:namespace_separator) { '-' }
-        let(:namespace) { 'one' }
+      describe "custom" do
+        let(:custom_registry) { double("Registry") }
+        let(:key) { "key" }
+        let(:namespace_separator) { "-" }
+        let(:namespace) { "one" }
 
         before do
           klass.configure do |config|
@@ -92,7 +92,7 @@ RSpec.shared_examples 'a container' do
           end
 
           container.namespace(namespace) do
-            register('key', 'item')
+            register("key", "item")
           end
         end
 
@@ -100,106 +100,106 @@ RSpec.shared_examples 'a container' do
           # HACK: Have to reset the configuration so that it doesn't
           # interfere with other specs
           klass.configure do |config|
-            config.namespace_separator = '.'
+            config.namespace_separator = "."
           end
         end
 
         subject! { container.resolve([namespace, key].join(namespace_separator)) }
 
-        it { is_expected.to eq('item') }
+        it { is_expected.to eq("item") }
       end
     end
   end
 
-  context 'with default configuration' do
-    describe 'registering a block' do
-      context 'without options' do
-        context 'without arguments' do
-          it 'registers and resolves an object' do
-            container.register(:item) { 'item' }
+  context "with default configuration" do
+    describe "registering a block" do
+      context "without options" do
+        context "without arguments" do
+          it "registers and resolves an object" do
+            container.register(:item) { "item" }
 
-            expect(container.keys).to eq(['item'])
+            expect(container.keys).to eq(["item"])
             expect(container.key?(:item)).to be true
-            expect(container.resolve(:item)).to eq('item')
+            expect(container.resolve(:item)).to eq("item")
           end
         end
 
-        context 'with arguments' do
-          it 'registers and resolves a proc' do
+        context "with arguments" do
+          it "registers and resolves a proc" do
             container.register(:item) { |item| item }
 
-            expect(container.resolve(:item).call('item')).to eq('item')
+            expect(container.resolve(:item).call("item")).to eq("item")
           end
 
-          it 'does not call a proc on resolving if one accepts an arbitrary number of keyword arguments' do
-            container.register(:item) { |*| 'item' }
+          it "does not call a proc on resolving if one accepts an arbitrary number of keyword arguments" do
+            container.register(:item) { |*| "item" }
 
             expect(container.resolve(:item)).to be_a_kind_of Proc
-            expect(container.resolve(:item).call).to eq('item')
+            expect(container.resolve(:item).call).to eq("item")
           end
         end
       end
 
-      context 'with option call: false' do
-        it 'registers and resolves a proc' do
-          container.register(:item, call: false) { 'item' }
+      context "with option call: false" do
+        it "registers and resolves a proc" do
+          container.register(:item, call: false) { "item" }
 
-          expect(container.keys).to eq(['item'])
+          expect(container.keys).to eq(["item"])
           expect(container.key?(:item)).to be true
-          expect(container.resolve(:item).call).to eq('item')
-          expect(container[:item].call).to eq('item')
+          expect(container.resolve(:item).call).to eq("item")
+          expect(container[:item].call).to eq("item")
         end
       end
     end
 
-    describe 'registering a proc' do
-      context 'without options' do
-        context 'without arguments' do
-          it 'registers and resolves an object' do
-            container.register(:item, proc { 'item' })
+    describe "registering a proc" do
+      context "without options" do
+        context "without arguments" do
+          it "registers and resolves an object" do
+            container.register(:item, proc { "item" })
 
-            expect(container.keys).to eq(['item'])
+            expect(container.keys).to eq(["item"])
             expect(container.key?(:item)).to be true
-            expect(container.resolve(:item)).to eq('item')
-            expect(container[:item]).to eq('item')
+            expect(container.resolve(:item)).to eq("item")
+            expect(container[:item]).to eq("item")
           end
         end
 
-        context 'with arguments' do
-          it 'registers and resolves a proc' do
+        context "with arguments" do
+          it "registers and resolves a proc" do
             container.register(:item, proc { |item| item })
 
-            expect(container.keys).to eq(['item'])
+            expect(container.keys).to eq(["item"])
             expect(container.key?(:item)).to be true
-            expect(container.resolve(:item).call('item')).to eq('item')
-            expect(container[:item].call('item')).to eq('item')
+            expect(container.resolve(:item).call("item")).to eq("item")
+            expect(container[:item].call("item")).to eq("item")
           end
         end
       end
 
-      context 'with option call: false' do
-        it 'registers and resolves a proc' do
-          container.register(:item, proc { 'item' }, call: false)
+      context "with option call: false" do
+        it "registers and resolves a proc" do
+          container.register(:item, proc { "item" }, call: false)
 
-          expect(container.keys).to eq(['item'])
+          expect(container.keys).to eq(["item"])
           expect(container.key?(:item)).to be true
-          expect(container.resolve(:item).call).to eq('item')
-          expect(container[:item].call).to eq('item')
+          expect(container.resolve(:item).call).to eq("item")
+          expect(container[:item].call).to eq("item")
         end
       end
 
-      context 'with option memoize: true' do
-        it 'registers and resolves a proc' do
-          container.register(:item, proc { 'item' }, memoize: true)
+      context "with option memoize: true" do
+        it "registers and resolves a proc" do
+          container.register(:item, proc { "item" }, memoize: true)
 
           expect(container[:item]).to be container[:item]
-          expect(container.keys).to eq(['item'])
+          expect(container.keys).to eq(["item"])
           expect(container.key?(:item)).to be true
-          expect(container.resolve(:item)).to eq('item')
-          expect(container[:item]).to eq('item')
+          expect(container.resolve(:item)).to eq("item")
+          expect(container[:item]).to eq("item")
         end
 
-        it 'only resolves the proc once' do
+        it "only resolves the proc once" do
           resolved_times = 0
 
           container.register(:item, proc { resolved_times += 1 }, memoize: true)
@@ -208,33 +208,33 @@ RSpec.shared_examples 'a container' do
           expect(container.resolve(:item)).to be 1
         end
 
-        context 'when receiving something other than a proc' do
+        context "when receiving something other than a proc" do
           it do
-            expect { container.register(:item, 'Hello!', memoize: true) }.to raise_error(Dry::Container::Error)
+            expect { container.register(:item, "Hello!", memoize: true) }.to raise_error(Dry::Container::Error)
           end
         end
       end
     end
 
-    describe 'registering an object' do
-      context 'without options' do
-        it 'registers and resolves the object' do
-          item = 'item'
+    describe "registering an object" do
+      context "without options" do
+        it "registers and resolves the object" do
+          item = "item"
           container.register(:item, item)
 
-          expect(container.keys).to eq(['item'])
+          expect(container.keys).to eq(["item"])
           expect(container.key?(:item)).to be true
           expect(container.resolve(:item)).to be(item)
           expect(container[:item]).to be(item)
         end
       end
 
-      context 'with option call: false' do
-        it 'registers and resolves an object' do
-          item = -> { 'test' }
+      context "with option call: false" do
+        it "registers and resolves an object" do
+          item = -> { "test" }
           container.register(:item, item, call: false)
 
-          expect(container.keys).to eq(['item'])
+          expect(container.keys).to eq(["item"])
           expect(container.key?(:item)).to be true
           expect(container.resolve(:item)).to eq(item)
           expect(container[:item]).to eq(item)
@@ -242,29 +242,29 @@ RSpec.shared_examples 'a container' do
       end
     end
 
-    describe 'registering with the same key multiple times' do
+    describe "registering with the same key multiple times" do
       it do
-        container.register(:item, proc { 'item' })
+        container.register(:item, proc { "item" })
 
-        expect { container.register(:item, proc { 'item' }) }.to raise_error(Dry::Container::Error)
+        expect { container.register(:item, proc { "item" }) }.to raise_error(Dry::Container::Error)
       end
     end
 
-    describe 'resolving with a key that has not been registered' do
+    describe "resolving with a key that has not been registered" do
       it do
         expect(container.key?(:item)).to be false
         expect { container.resolve(:item) }.to raise_error(Dry::Container::Error)
       end
     end
 
-    describe 'mixing Strings and Symbols' do
+    describe "mixing Strings and Symbols" do
       it do
-        container.register(:item, 'item')
-        expect(container.resolve('item')).to eql('item')
+        container.register(:item, "item")
+        expect(container.resolve("item")).to eql("item")
       end
     end
 
-    describe '#merge' do
+    describe "#merge" do
       let(:key) { :key }
       let(:other) { Dry::Container.new }
 
@@ -272,25 +272,25 @@ RSpec.shared_examples 'a container' do
         other.register(key) { :item }
       end
 
-      context 'without namespace argument' do
+      context "without namespace argument" do
         subject! { container.merge(other) }
 
         it { expect(container.resolve(key)).to be(:item) }
         it { expect(container[key]).to be(:item) }
       end
 
-      context 'with namespace argument' do
+      context "with namespace argument" do
         subject! { container.merge(other, namespace: namespace) }
 
-        context 'when namespace is nil' do
+        context "when namespace is nil" do
           let(:namespace) { nil }
 
           it { expect(container.resolve(key)).to be(:item) }
           it { expect(container[key]).to be(:item) }
         end
 
-        context 'when namespace is not nil' do
-          let(:namespace) { 'namespace' }
+        context "when namespace is not nil" do
+          let(:namespace) { "namespace" }
 
           it { expect(container.resolve("#{namespace}.#{key}")).to be(:item) }
           it { expect(container["#{namespace}.#{key}"]).to be(:item) }
@@ -298,7 +298,7 @@ RSpec.shared_examples 'a container' do
       end
     end
 
-    describe '#key?' do
+    describe "#key?" do
       let(:key) { :key }
 
       before do
@@ -307,22 +307,22 @@ RSpec.shared_examples 'a container' do
 
       subject! { container.key?(resolve_key) }
 
-      context 'when key exists in container' do
+      context "when key exists in container" do
         let(:resolve_key) { key }
 
         it { is_expected.to be true }
       end
 
-      context 'when key does not exist in container' do
+      context "when key does not exist in container" do
         let(:resolve_key) { :random }
 
         it { is_expected.to be false }
       end
     end
 
-    describe '#keys' do
+    describe "#keys" do
       let(:keys) { [:key_1, :key_2] }
-      let(:expected_keys) { ['key_1', 'key_2'] }
+      let(:expected_keys) { ["key_1", "key_2"] }
 
       before do
         keys.each do |key|
@@ -332,14 +332,14 @@ RSpec.shared_examples 'a container' do
 
       subject! { container.keys }
 
-      it 'returns stringified versions of all registered keys' do
+      it "returns stringified versions of all registered keys" do
         is_expected.to match_array(expected_keys)
       end
     end
 
-    describe '#each_key' do
+    describe "#each_key" do
       let(:keys) { [:key_1, :key_2] }
-      let(:expected_keys) { ['key_1', 'key_2'] }
+      let(:expected_keys) { ["key_1", "key_2"] }
       let!(:yielded_keys) { [] }
 
       before do
@@ -352,18 +352,18 @@ RSpec.shared_examples 'a container' do
         container.each_key { |key| yielded_keys << key }
       end
 
-      it 'yields stringified versions of all registered keys to the block' do
+      it "yields stringified versions of all registered keys to the block" do
         expect(yielded_keys).to match_array(expected_keys)
       end
 
-      it 'returns the container' do
+      it "returns the container" do
         is_expected.to eq(container)
       end
     end
 
-    describe '#each' do
+    describe "#each" do
       let(:keys) { [:key_1, :key_2] }
-      let(:expected_key_value_pairs) { [['key_1', 'value_for_key_1'], ['key_2', 'value_for_key_2']] }
+      let(:expected_key_value_pairs) { [["key_1", "value_for_key_1"], ["key_2", "value_for_key_2"]] }
       let!(:yielded_key_value_pairs) { [] }
 
       before do
@@ -376,33 +376,33 @@ RSpec.shared_examples 'a container' do
         container.each { |key, value| yielded_key_value_pairs << [key, value] }
       end
 
-      it 'yields stringified versions of all registered keys to the block' do
+      it "yields stringified versions of all registered keys to the block" do
         expect(yielded_key_value_pairs).to match_array(expected_key_value_pairs)
       end
 
-      it 'returns the container' do
+      it "returns the container" do
         is_expected.to eq(expected_key_value_pairs)
       end
     end
 
-    describe '#decorate' do
-      require 'delegate'
+    describe "#decorate" do
+      require "delegate"
 
       let(:key) { :key }
       let(:decorated_class_spy) { spy(:decorated_class_spy) }
       let(:decorated_class) { Class.new }
 
-      context 'for callable item' do
+      context "for callable item" do
         before do
           allow(decorated_class_spy).to receive(:new) { decorated_class.new }
           container.register(key, memoize: memoize) { decorated_class_spy.new }
           container.decorate(key, with: SimpleDelegator)
         end
 
-        context 'memoize false' do
+        context "memoize false" do
           let(:memoize) { false }
 
-          it 'does not call the block until the key is resolved' do
+          it "does not call the block until the key is resolved" do
             expect(decorated_class_spy).not_to have_received(:new)
             container.resolve(key)
             expect(decorated_class_spy).to have_received(:new)
@@ -416,7 +416,7 @@ RSpec.shared_examples 'a container' do
           end
         end
 
-        context 'memoize true' do
+        context "memoize true" do
           let(:memoize) { true }
 
           specify do
@@ -427,23 +427,23 @@ RSpec.shared_examples 'a container' do
         end
       end
 
-      context 'for not callable item' do
-        describe 'wrapping' do
+      context "for not callable item" do
+        describe "wrapping" do
           before do
-            container.register(key, call: false) { 'value' }
+            container.register(key, call: false) { "value" }
             container.decorate(key, with: SimpleDelegator)
           end
 
-          it 'expected to be an instance of SimpleDelegator' do
+          it "expected to be an instance of SimpleDelegator" do
             expect(container.resolve(key)).to be_instance_of(SimpleDelegator)
-            expect(container.resolve(key).__getobj__.call).to eql('value')
+            expect(container.resolve(key).__getobj__.call).to eql("value")
           end
         end
 
-        describe 'memoization' do
+        describe "memoization" do
           before do
             @called = 0
-            container.register(key, 'value')
+            container.register(key, "value")
 
             container.decorate(key) do |value|
               @called += 1
@@ -451,15 +451,15 @@ RSpec.shared_examples 'a container' do
             end
           end
 
-          it 'decorates static value only once' do
-            expect(container.resolve(key)).to eql('<value>')
-            expect(container.resolve(key)).to eql('<value>')
+          it "decorates static value only once" do
+            expect(container.resolve(key)).to eql("<value>")
+            expect(container.resolve(key)).to eql("<value>")
             expect(@called).to be(1)
           end
         end
       end
 
-      context 'with an instance as a decorator' do
+      context "with an instance as a decorator" do
         let(:decorator) do
           double.tap do |decorator|
             allow(decorator).to receive(:call) { |input| "decorated #{input}" }
@@ -467,200 +467,200 @@ RSpec.shared_examples 'a container' do
         end
 
         before do
-          container.register(key) { 'value' }
+          container.register(key) { "value" }
           container.decorate(key, with: decorator)
         end
 
-        it 'expected to pass original value to decorator#call method' do
-          expect(container.resolve(key)).to eq('decorated value')
+        it "expected to pass original value to decorator#call method" do
+          expect(container.resolve(key)).to eq("decorated value")
         end
       end
     end
 
-    describe 'namespace' do
-      context 'when block does not take arguments' do
+    describe "namespace" do
+      context "when block does not take arguments" do
         before do
-          container.namespace('one') do
-            register('two', 2)
+          container.namespace("one") do
+            register("two", 2)
           end
         end
 
-        subject! { container.resolve('one.two') }
+        subject! { container.resolve("one.two") }
 
-        it 'registers items under the given namespace' do
+        it "registers items under the given namespace" do
           is_expected.to eq(2)
         end
       end
 
-      context 'when block takes arguments' do
+      context "when block takes arguments" do
         before do
-          container.namespace('one') do |c|
-            c.register('two', 2)
+          container.namespace("one") do |c|
+            c.register("two", 2)
           end
         end
 
-        subject! { container.resolve('one.two') }
+        subject! { container.resolve("one.two") }
 
-        it 'registers items under the given namespace' do
+        it "registers items under the given namespace" do
           is_expected.to eq(2)
         end
       end
 
-      context 'with nesting' do
+      context "with nesting" do
         before do
-          container.namespace('one') do
-            namespace('two') do
-              register('three', 3)
+          container.namespace("one") do
+            namespace("two") do
+              register("three", 3)
             end
           end
         end
 
-        subject! { container.resolve('one.two.three') }
+        subject! { container.resolve("one.two.three") }
 
-        it 'registers items under the given namespaces' do
+        it "registers items under the given namespaces" do
           is_expected.to eq(3)
         end
       end
 
-      context 'with nesting and when block takes arguments' do
+      context "with nesting and when block takes arguments" do
         before do
-          container.namespace('one') do |c|
-            c.register('two', 2)
-            c.register('three', c.resolve('two'))
+          container.namespace("one") do |c|
+            c.register("two", 2)
+            c.register("three", c.resolve("two"))
           end
         end
 
-        subject! { container.resolve('one.three') }
+        subject! { container.resolve("one.three") }
 
-        it 'resolves items relative to the namespace' do
+        it "resolves items relative to the namespace" do
           is_expected.to eq(2)
         end
       end
     end
 
-    describe 'import' do
-      it 'allows importing of namespaces' do
-        ns = Dry::Container::Namespace.new('one') do
-          register('two', 2)
+    describe "import" do
+      it "allows importing of namespaces" do
+        ns = Dry::Container::Namespace.new("one") do
+          register("two", 2)
         end
 
         container.import(ns)
 
-        expect(container.resolve('one.two')).to eq(2)
+        expect(container.resolve("one.two")).to eq(2)
       end
 
-      it 'allows importing of nested namespaces' do
-        ns = Dry::Container::Namespace.new('two') do
-          register('three', 3)
+      it "allows importing of nested namespaces" do
+        ns = Dry::Container::Namespace.new("two") do
+          register("three", 3)
         end
 
-        container.namespace('one') do
+        container.namespace("one") do
           import(ns)
         end
 
-        expect(container.resolve('one.two.three')).to eq(3)
+        expect(container.resolve("one.two.three")).to eq(3)
       end
     end
   end
 
-  describe 'stubbing' do
+  describe "stubbing" do
     before do
       container.enable_stubs!
 
-      container.register(:item, 'item')
-      container.register(:foo, 'bar')
+      container.register(:item, "item")
+      container.register(:foo, "bar")
     end
 
     after do
       container.unstub
     end
 
-    it 'keys can be stubbed' do
-      container.stub(:item, 'stub')
-      expect(container.resolve(:item)).to eql('stub')
-      expect(container[:item]).to eql('stub')
+    it "keys can be stubbed" do
+      container.stub(:item, "stub")
+      expect(container.resolve(:item)).to eql("stub")
+      expect(container[:item]).to eql("stub")
     end
 
-    it 'only other keys remain accesible' do
-      container.stub(:item, 'stub')
-      expect(container.resolve(:foo)).to eql('bar')
-      expect(container[:foo]).to eql('bar')
+    it "only other keys remain accesible" do
+      container.stub(:item, "stub")
+      expect(container.resolve(:foo)).to eql("bar")
+      expect(container[:foo]).to eql("bar")
     end
 
-    it 'keys can be reverted back to their original value' do
-      container.stub(:item, 'stub')
+    it "keys can be reverted back to their original value" do
+      container.stub(:item, "stub")
       container.unstub(:item)
 
-      expect(container.resolve(:item)).to eql('item')
-      expect(container[:item]).to eql('item')
+      expect(container.resolve(:item)).to eql("item")
+      expect(container[:item]).to eql("item")
     end
 
-    describe 'with block argument' do
-      it 'executes the block with the given stubs' do
-        expect { |b| container.stub(:item, 'stub', &b) }.to yield_control
+    describe "with block argument" do
+      it "executes the block with the given stubs" do
+        expect { |b| container.stub(:item, "stub", &b) }.to yield_control
       end
 
-      it 'keys are stubbed only while inside the block' do
-        container.stub(:item, 'stub') do
-          expect(container.resolve(:item)).to eql('stub')
+      it "keys are stubbed only while inside the block" do
+        container.stub(:item, "stub") do
+          expect(container.resolve(:item)).to eql("stub")
         end
 
-        expect(container.resolve(:item)).to eql('item')
+        expect(container.resolve(:item)).to eql("item")
       end
     end
 
-    describe 'mixing Strings and Symbols' do
+    describe "mixing Strings and Symbols" do
       it do
-        container.stub(:item, 'stub')
-        expect(container.resolve('item')).to eql('stub')
+        container.stub(:item, "stub")
+        expect(container.resolve("item")).to eql("stub")
       end
     end
 
-    it 'raises an error when key is missing' do
-      expect { container.stub(:non_existing, 'something') }
+    it "raises an error when key is missing" do
+      expect { container.stub(:non_existing, "something") }
         .to raise_error(ArgumentError, 'cannot stub "non_existing" - no such key in container')
     end
   end
 
-  describe '.freeze' do
+  describe ".freeze" do
     before do
-      container.register(:foo, 'bar')
+      container.register(:foo, "bar")
     end
 
-    it 'allows to freeze a container so that nothing can be registered later' do
+    it "allows to freeze a container so that nothing can be registered later" do
       container.freeze
-      error = RUBY_VERSION >= '2.5' ? FrozenError : RuntimeError
-      expect { container.register(:baz, 'quux') }.to raise_error(error)
+      error = RUBY_VERSION >= "2.5" ? FrozenError : RuntimeError
+      expect { container.register(:baz, "quux") }.to raise_error(error)
       expect(container).to be_frozen
     end
 
-    it 'returns self back' do
+    it "returns self back" do
       expect(container.freeze).to be(container)
     end
   end
 
-  describe '.dup' do
+  describe ".dup" do
     it "returns a copy that doesn't share registered keys with the parent" do
-      container.dup.register(:foo, 'bar')
+      container.dup.register(:foo, "bar")
       expect(container.key?(:foo)).to be false
     end
   end
 
-  describe '.clone' do
+  describe ".clone" do
     it "returns a copy that doesn't share registered keys with the parent" do
-      container.clone.register(:foo, 'bar')
+      container.clone.register(:foo, "bar")
       expect(container.key?(:foo)).to be false
     end
 
-    it 're-uses frozen container' do
+    it "re-uses frozen container" do
       expect(container.freeze.clone).to be_frozen
       expect(container.clone._container).to be(container._container)
     end
   end
 
-  describe '.resolve' do
-    it 'accepts a fallback block' do
-      expect(container.resolve('missing') { :fallback }).to be(:fallback)
+  describe ".resolve" do
+    it "accepts a fallback block" do
+      expect(container.resolve("missing") { :fallback }).to be(:fallback)
     end
   end
 end