Merge pull request rspec#2437 from pat/frozen-string-literals

Updates for frozen-string-literal compatibility.

features/configuration/pattern.feature

@@ -45,7 +45,7 @@ Feature: pattern
     Given a file named "spec/spec_helper.rb" with:
       """ruby
       RSpec.configure do |config|
-        config.pattern << ',**/*.spec'
+        config.pattern += ',**/*.spec'
       end
       """
     And a file named "spec/two_examples.spec" with:

lib/rspec/core/drb.rb

@@ -84,7 +84,7 @@ def add_full_description(argv)
       def add_filter(argv, name, hash)
         hash.each_pair do |k, v|
           next if CONDITIONAL_FILTERS.include?(k)
-          tag = name == :inclusion ? k.to_s : "~#{k}"
+          tag = name == :inclusion ? k.to_s : "~#{k}".dup
           tag << ":#{v}" if v.is_a?(String)
           argv << "--tag" << tag
         end unless hash.empty?

lib/rspec/core/example.rb

@@ -523,7 +523,7 @@ def mocks_need_verification?
       def assign_generated_description
         if metadata[:description].empty? && (description = generate_description)
           metadata[:description] = description
-          metadata[:full_description] << description
+          metadata[:full_description] += description
         end
       ensure
         RSpec::Matchers.clear_generated_description

lib/rspec/core/example_group.rb

@@ -838,7 +838,7 @@ def self.remove_all_constants
     end
 
     def self.base_name_for(group)
-      return "Anonymous" if group.description.empty?
+      return "Anonymous".dup if group.description.empty?
 
       # Convert to CamelCase.
       name = ' ' + group.description

lib/rspec/core/notifications.rb

@@ -120,7 +120,7 @@ def fully_formatted_failed_examples(colorizer=::RSpec::Core::Formatters::Console
       # @return [String] The list of pending examples, fully formatted in the
       #   way that RSpec's built-in formatters emit.
       def fully_formatted_pending_examples(colorizer=::RSpec::Core::Formatters::ConsoleCodes)
-        formatted = "\nPending: (Failures listed here are expected and do not affect your suite's status)\n"
+        formatted = "\nPending: (Failures listed here are expected and do not affect your suite's status)\n".dup
 
         pending_notifications.each_with_index do |notification, index|
           formatted << notification.fully_formatted(index.next, colorizer)
@@ -232,9 +232,14 @@ class SkippedExampleNotification < ExampleNotification
       #   RSpec's built-in formatters emit.
       def fully_formatted(pending_number, colorizer=::RSpec::Core::Formatters::ConsoleCodes)
         formatted_caller = RSpec.configuration.backtrace_formatter.backtrace_line(example.location)
-        colorizer.wrap("\n  #{pending_number}) #{example.full_description}", :pending) << "\n     " <<
-          Formatters::ExceptionPresenter::PENDING_DETAIL_FORMATTER.call(example, colorizer) <<
-          "\n" << colorizer.wrap("     # #{formatted_caller}\n", :detail)
+
+        [
+          colorizer.wrap("\n  #{pending_number}) #{example.full_description}", :pending),
+          "\n     ",
+          Formatters::ExceptionPresenter::PENDING_DETAIL_FORMATTER.call(example, colorizer),
+          "\n",
+          colorizer.wrap("     # #{formatted_caller}\n", :detail)
+        ].join("")
       end
     end
 

rspec-core.gemspec

@@ -41,7 +41,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency "minitest", "~> 5.3"
   s.add_development_dependency "aruba",    "~> 0.6.2" # 0.7 is broken on ruby 1.8.7
 
-  s.add_development_dependency "coderay",  "~> 1.0.9"
+  s.add_development_dependency "coderay",  "~> 1.1.1"
 
   s.add_development_dependency "mocha",        "~> 0.13.0"
   s.add_development_dependency "rr",           "~> 1.0.4"

spec/rspec/core/formatters/base_text_formatter_spec.rb

@@ -190,7 +190,7 @@ def run_all_and_dump_failures
     if String.method_defined?(:encoding)
       context "with an exception that has a differently encoded message" do
         it "runs without encountering an encoding exception" do
-          group.example("Mixing encodings, e.g. UTF-8: © and Binary") { raise "Error: \xC2\xA9".force_encoding("ASCII-8BIT") }
+          group.example("Mixing encodings, e.g. UTF-8: © and Binary") { raise "Error: \xC2\xA9".dup.force_encoding("ASCII-8BIT") }
           run_all_and_dump_failures
           expect(formatter_output.string).to match(/RuntimeError:\n\s+Error: \?\?/m) # ?? because the characters dont encode properly
         end

spec/rspec/core/formatters/html_snippet_extractor_spec.rb

@@ -14,7 +14,7 @@ module Formatters
 
         it "falls back on a default message when it gets a security error" do
           message = with_safe_set_to_level_that_triggers_security_errors do
-            RSpec::Core::Formatters::HtmlSnippetExtractor.new.lines_around("blech".taint, 8)
+            RSpec::Core::Formatters::HtmlSnippetExtractor.new.lines_around("blech".dup.taint, 8)
           end
           expect(message).to eq("# Couldn't get snippet for blech")
         end

spec/rspec/core/formatters/syntax_highlighter_spec.rb

@@ -83,7 +83,7 @@ def find_highlighted_terms_in(code_snippet)
         highlighted = highlighter.highlight(lines)
         highlighted_terms = []
 
-        highlighted.join("\n").scan(/\e\[1;[1-9]\dm(\w+)\e\[0m/) do |first_capture, _|
+        highlighted.join("\n").scan(/\e\[[1-9]\dm(\w+)\e\[0m/) do |first_capture, _|
           highlighted_terms << first_capture
         end
 
@@ -124,7 +124,7 @@ def find_highlighted_terms_in(code_snippet)
     end
 
     def be_highlighted
-      include("\e[32m")
+      include("\e[31m")
     end
 
   end

spec/rspec/core/notifications_spec.rb

@@ -325,7 +325,7 @@ def normalize_one_backtrace(exception)
     if String.method_defined?(:encoding)
       it "returns failures_lines with invalid bytes replace by '?'" do
         message_with_invalid_byte_sequence =
-          "\xEF \255 \xAD I have bad bytes".force_encoding(Encoding::UTF_8)
+          "\xEF \255 \xAD I have bad bytes".dup.force_encoding(Encoding::UTF_8)
         allow(exception).to receive(:message).
           and_return(message_with_invalid_byte_sequence)
 

spec/rspec/core_spec.rb

@@ -241,7 +241,7 @@ def reporter
 
       RSpec.clear_examples
 
-      RSpec.configuration.deprecation_stream = StringIO.new(deprecations = "")
+      RSpec.configuration.deprecation_stream = StringIO.new(deprecations = "".dup)
 
       group = RSpec.describe do
         example { RSpec.deprecate("second deprecation") }