Avoid be_falsey and be_truthy

features/configuration/custom_settings.feature

@@ -14,18 +14,14 @@ Feature: custom settings
           expect(RSpec.configuration.custom_setting).to be_nil
         end
 
-        it "acts false by default" do
-          expect(RSpec.configuration.custom_setting).to be_falsey
-        end
-
         it "is exposed as a predicate" do
-          expect(RSpec.configuration.custom_setting?).to be_falsey
+          expect(RSpec.configuration.custom_setting?).to be(false)
         end
 
         it "can be overridden" do
           RSpec.configuration.custom_setting = true
-          expect(RSpec.configuration.custom_setting).to be_truthy
-          expect(RSpec.configuration.custom_setting?).to be_truthy
+          expect(RSpec.configuration.custom_setting).to be(true)
+          expect(RSpec.configuration.custom_setting?).to be(true)
         end
       end
       """
@@ -41,17 +37,17 @@ Feature: custom settings
 
       RSpec.describe "custom setting" do
         it "is true by default" do
-          expect(RSpec.configuration.custom_setting).to be_truthy
+          expect(RSpec.configuration.custom_setting).to be(true)
         end
 
         it "is exposed as a predicate" do
-          expect(RSpec.configuration.custom_setting?).to be_truthy
+          expect(RSpec.configuration.custom_setting?).to be(true)
         end
 
         it "can be overridden" do
           RSpec.configuration.custom_setting = false
-          expect(RSpec.configuration.custom_setting).to be_falsey
-          expect(RSpec.configuration.custom_setting?).to be_falsey
+          expect(RSpec.configuration.custom_setting).to be(false)
+          expect(RSpec.configuration.custom_setting?).to be(false)
         end
       end
       """
@@ -71,11 +67,11 @@ Feature: custom settings
 
       RSpec.describe "custom setting" do
         it "returns the value set in the last cofigure block to get eval'd" do
-          expect(RSpec.configuration.custom_setting).to be_truthy
+          expect(RSpec.configuration.custom_setting).to be(true)
         end
 
         it "is exposed as a predicate" do
-          expect(RSpec.configuration.custom_setting?).to be_truthy
+          expect(RSpec.configuration.custom_setting?).to be(true)
         end
       end
       """

features/example_groups/shared_examples.feature

@@ -106,13 +106,13 @@ Feature: shared examples
         describe "#include?" do
           context "with an item that is in the collection" do
             it "returns true" do
-              expect(collection.include?(7)).to be_truthy
+              expect(collection.include?(7)).to be(true)
             end
           end
 
           context "with an item that is not in the collection" do
             it "returns false" do
-              expect(collection.include?(9)).to be_falsey
+              expect(collection.include?(9)).to be(false)
             end
           end
         end

features/hooks/around_hooks.feature

@@ -219,7 +219,7 @@ Feature: `around` hooks
         end
 
         it "runs the example in the correct context" do
-          expect(included_in_configure_block).to be_truthy
+          expect(included_in_configure_block).to be(true)
         end
       end
       """

lib/rspec/core/configuration.rb

@@ -67,15 +67,17 @@ def self.define_reader(name)
       end
 
       # @private
-      def self.define_aliases(name, alias_name)
+      def self.define_alias(name, alias_name)
         alias_method alias_name, name
         alias_method "#{alias_name}=", "#{name}="
-        define_predicate_for alias_name
+        define_predicate alias_name
       end
 
       # @private
-      def self.define_predicate_for(*names)
-        names.each { |name| alias_method "#{name}?", name }
+      def self.define_predicate(name)
+        define_method "#{name}?" do
+          !!send(name)
+        end
       end
 
       # @private
@@ -88,7 +90,7 @@ def self.add_setting(name, opts={})
         add_read_only_setting name
 
         Array(opts[:alias_with]).each do |alias_name|
-          define_aliases(name, alias_name)
+          define_alias(name, alias_name)
         end
       end
 
@@ -98,7 +100,7 @@ def self.add_setting(name, opts={})
       def self.add_read_only_setting(name, opts={})
         raise "Use the instance add_setting method if you want to set a default" if opts.key?(:default)
         define_reader name
-        define_predicate_for name
+        define_predicate name
       end
 
       # @macro [attach] add_setting
@@ -312,7 +314,8 @@ def exclude_pattern=(value)
       # Report the times for the slowest examples (default: `false`).
       # Use this to specify the number of examples to include in the profile.
       # @return [Boolean]
-      add_setting :profile_examples
+      attr_writer :profile_examples
+      define_predicate :profile_examples
 
       # @macro add_setting
       # Run all examples if none match the configured filters

lib/rspec/core/world.rb

@@ -17,6 +17,7 @@ class World
       attr_accessor :non_example_failure
 
       def initialize(configuration=RSpec.configuration)
+        @wants_to_quit = false
         @configuration = configuration
         configuration.world = self
         @example_groups = []

spec/rspec/core/configuration_options_spec.rb

@@ -296,16 +296,16 @@
   end
 
   describe "--fail-fast" do
-    it "defaults to false" do
-      expect(parse_options[:fail_fast]).to be_falsey
+    it "defaults to nil" do
+      expect(parse_options[:fail_fast]).to be(nil)
     end
 
-    it "sets fail_fast on config" do
-      expect(parse_options("--fail-fast")[:fail_fast]).to be_truthy
+    it "sets fail_fast to 1 on config" do
+      expect(parse_options("--fail-fast")[:fail_fast]).to be(1)
     end
 
-    it "sets fail_fast on config" do
-      expect(parse_options("--no-fail-fast")[:fail_fast]).to be_falsey
+    it "sets fail_fast to false on config" do
+      expect(parse_options("--no-fail-fast")[:fail_fast]).to be(false)
     end
   end
 
@@ -322,12 +322,12 @@
   end
 
   describe "--dry-run" do
-    it "defaults to false" do
-      expect(parse_options[:dry_run]).to be_falsey
+    it "defaults to nil" do
+      expect(parse_options[:dry_run]).to be(nil)
     end
 
     it "sets dry_run on config" do
-      expect(parse_options("--dry-run")[:dry_run]).to be_truthy
+      expect(parse_options("--dry-run")[:dry_run]).to be(true)
     end
   end
 
@@ -464,7 +464,7 @@ def expect_parsing_to_fail_mentioning_source(source, options=[])
 
         expect(options[:requires]).to eq(["some_file"])
         expect(options[:full_description]).to eq([/foo\ bar/])
-        expect(options[:drb]).to be_truthy
+        expect(options[:drb]).to be(true)
         expect(options[:formatters]).to eq([['global']])
       end
     end

spec/rspec/core/configuration_spec.rb

@@ -293,7 +293,7 @@ def mod.configuration; @config ||= Struct.new(:custom_setting).new; end
           mod_config.custom_setting = true
         end
 
-        expect(mod.configuration.custom_setting).to be_truthy
+        expect(mod.configuration.custom_setting).to be(true)
       end
 
       it "raises if framework module doesn't support configuration" do
@@ -1302,12 +1302,12 @@ def metadata_hash(*args)
     describe "#run_all_when_everything_filtered?" do
 
       it "defaults to false" do
-        expect(config.run_all_when_everything_filtered?).to be_falsey
+        expect(config.run_all_when_everything_filtered?).to be(false)
       end
 
       it "can be queried with question method" do
         config.run_all_when_everything_filtered = true
-        expect(config.run_all_when_everything_filtered?).to be_truthy
+        expect(config.run_all_when_everything_filtered?).to be(true)
       end
     end
 
@@ -1779,14 +1779,14 @@ def metadata_hash(*args)
         config_2 = Configuration.new
 
         config_1.full_backtrace = true
-        expect(config_2.full_backtrace?).to be_falsey
+        expect(config_2.full_backtrace?).to be(false)
       end
     end
 
     describe "#backtrace_exclusion_patterns=" do
       it "actually receives the new filter values" do
         config.backtrace_exclusion_patterns = [/.*/]
-        expect(config.backtrace_formatter.exclude? "this").to be_truthy
+        expect(config.backtrace_formatter.exclude? "this").to be(true)
       end
     end
 
@@ -1805,7 +1805,7 @@ def metadata_hash(*args)
     describe "#backtrace_exclusion_patterns" do
       it "can be appended to" do
         config.backtrace_exclusion_patterns << /.*/
-        expect(config.backtrace_formatter.exclude? "this").to be_truthy
+        expect(config.backtrace_formatter.exclude? "this").to be(true)
       end
     end
 
@@ -2213,7 +2213,7 @@ def exclude?(line)
           end
 
           it "adds a predicate" do
-            expect(config.custom_option?).to be_falsey
+            expect(config.custom_option?).to be(false)
           end
 
           it "can be overridden" do
@@ -2232,7 +2232,7 @@ def exclude?(line)
           end
 
           it "returns true for the predicate" do
-            expect(config.custom_option?).to be_truthy
+            expect(config.custom_option?).to be(true)
           end
 
           it "can be overridden with a truthy value" do
@@ -2269,7 +2269,7 @@ def exclude?(line)
 
         it "delegates the predicate to the other option" do
           config.custom_option = true
-          expect(config.another_custom_option?).to be_truthy
+          expect(config.another_custom_option?).to be(true)
         end
       end
     end
@@ -2526,11 +2526,11 @@ def example_numbered(num)
       it "forces 'false' value" do
         config.add_setting :custom_option
         config.custom_option = true
-        expect(config.custom_option?).to be_truthy
+        expect(config.custom_option?).to be(true)
         config.force :custom_option => false
-        expect(config.custom_option?).to be_falsey
+        expect(config.custom_option?).to be(false)
         config.custom_option = true
-        expect(config.custom_option?).to be_falsey
+        expect(config.custom_option?).to be(false)
       end
     end