Fix RSpec 3.0.0 compatibility

Author: Alexey Chernenkov

gemfiles/Gemfile.rspec-3.0

@@ -2,7 +2,7 @@ source "https://rubygems.org"
 
 gemspec path: '../'
 
-gem 'rspec', '~> 3.0.0.beta'
+gem 'rspec', '~> 3.0.0'
 
 group :test do
   gem 'coveralls', require: false

lib/guard/rspec/formatter.rb

@@ -11,7 +11,15 @@ def self.rspec_3?
       end
 
       if rspec_3?
-        ::RSpec::Core::Formatters.register self, :dump_summary
+        ::RSpec::Core::Formatters.register self, :dump_summary, :example_failed
+
+        def example_failed(failure)
+           examples.push failure.example
+        end
+
+        def examples
+          @examples ||= []
+        end
       end
 
       # rspec issue https://github.com/rspec/rspec-core/issues/793
@@ -74,7 +82,7 @@ def _write(&block)
       end
 
       def _failed_paths
-        failed = examples.select { |e| e.execution_result[:status] == 'failed' }
+        failed = examples.select { |e| e.execution_result[:status].to_s == 'failed' }
         failed.map { |e| self.class.extract_spec_location(e.metadata) }.sort.uniq
       end
 

lib/guard/rspec/version.rb

@@ -1,5 +1,5 @@
 module Guard
   module RSpecVersion
-    VERSION = '4.2.9'
+    VERSION = '4.2.10'
   end
 end

spec/spec_helper.rb

@@ -6,11 +6,17 @@
   Coveralls.wear!
 end
 
+rspec_major_version = RSpec::Version::STRING.to_i
+
 RSpec.configure do |config|
-  config.color_enabled = true
+  if rspec_major_version < 3
+    config.color_enabled = true
+    config.treat_symbols_as_metadata_keys_with_true_values = true
+  else
+    config.color = true
+  end
   config.order = :random
   config.filter_run focus: ENV['CI'] != 'true'
-  config.treat_symbols_as_metadata_keys_with_true_values = true if RSpec::Version::STRING.to_i < 3
   config.run_all_when_everything_filtered = true
   config.expect_with :rspec do |c|
     c.syntax = :expect