Fix the default arg ctor for ruby Gherkin::Parser. Closes #1074

gherkin/CHANGELOG.md

@@ -37,6 +37,9 @@ This document is formatted according to the principles of [Keep A CHANGELOG](htt
 
 ### Fixed
 
+* [Ruby] Fix the default constructor of `Gherkin::Parser`
+  ([#1074](https://github.com/cucumber/cucumber/issues/1074)
+   [aslakhellesoy])
 * [Ruby] Use `require_relative` for internal requires ([#1010](https://github.com/cucumber/cucumber/pull/1010) [deivid-rodriguez])
 
 ## [13.0.0] - 2020-04-14

gherkin/ruby/gherkin-ruby.razor

@@ -54,7 +54,7 @@ module Gherkin
   class @Model.ParserClassName
     attr_accessor :stop_at_first_error
 
-    def initialize(ast_builder = AstBuilder.new)
+    def initialize(ast_builder = AstBuilder.new(Cucumber::Messages::IdGenerator::UUID.new))
       @@ast_builder = ast_builder
     end
 

gherkin/ruby/lib/gherkin/parser.rb

@@ -56,7 +56,7 @@ def initialize(token_scanner, token_matcher, token_queue, errors)
   class Parser
     attr_accessor :stop_at_first_error
 
-    def initialize(ast_builder = AstBuilder.new)
+    def initialize(ast_builder = AstBuilder.new(Cucumber::Messages::IdGenerator::UUID.new))
       @ast_builder = ast_builder
     end
 

gherkin/ruby/spec/gherkin/parser_spec.rb

@@ -0,0 +1,10 @@
+require 'rspec'
+require 'gherkin'
+
+describe Gherkin::Parser do
+  context '.new' do
+    it 'can be invoked with no args' do
+      Gherkin::Parser.new
+    end
+  end
+end