Add 100% test coverage floor with SimpleCov

.gitignore

@@ -8,3 +8,4 @@ vendor/
 .DS_Store
 .venv
 venv
+coverage/

Gemfile.lock

@@ -39,6 +39,7 @@ GEM
     crass (1.0.6)
     creole (0.5.0)
     date (3.5.1)
+    docile (1.4.1)
     drb (2.2.3)
     erb (6.0.4)
     expression_parser (0.9.0)
@@ -98,6 +99,12 @@ GEM
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
     securerandom (0.4.1)
+    simplecov (0.22.0)
+      docile (~> 1.1)
+      simplecov-html (~> 0.11)
+      simplecov_json_formatter (~> 0.1)
+    simplecov-html (0.13.2)
+    simplecov_json_formatter (0.1.4)
     stringio (3.2.0)
     tdiff (0.4.0)
     tsort (0.2.0)
@@ -143,6 +150,7 @@ DEPENDENCIES
   redcarpet
   rexml
   sanitize (>= 4.6.3)
+  simplecov (~> 0.22)
   twitter-text (~> 1.14)
   wikicloth (= 0.8.3)
 

github-markup.gemspec

@@ -1,8 +1,11 @@
-require File.expand_path("../lib/github-markup", __FILE__)
+version_file = File.expand_path("../lib/github-markup.rb", __FILE__)
+version_match = File.read(version_file).match(/VERSION = ['"]([^'"]+)['"]/)
+raise "Could not find VERSION in #{version_file}" unless version_match
+version = version_match[1]
 
 Gem::Specification.new do |s|
   s.name          = "github-markup"
-  s.version       = GitHub::Markup::VERSION
+  s.version       = version
   s.summary       = "The code GitHub uses to render README.markup"
   s.description   = <<~DESC
     This gem is used by GitHub to render any fancy markup such as Markdown,
@@ -28,4 +31,5 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'nokogiri', '~> 1.19.2'
   s.add_development_dependency 'nokogiri-diff', '~> 0.3.0'
   s.add_development_dependency "github-linguist", ">= 7.1.3"
+  s.add_development_dependency 'simplecov', '~> 0.22'
 end

lib/github/markup.rb

@@ -97,7 +97,6 @@ def language(filename, content, symlink: false)
     end
 
     # Define markups
-    markups_rb = File.dirname(__FILE__) + '/markups.rb'
-    instance_eval File.read(markups_rb), markups_rb
+    require_relative 'markups'
   end
 end

lib/github/markup/rdoc.rb

@@ -13,7 +13,9 @@ def render(filename, content, options: {})
         if ::RDoc::VERSION.to_i >= 4
           h = ::RDoc::Markup::ToHtml.new(::RDoc::Options.new)
         else
+          # :nocov: RDoc < 4 has been unsupported since Ruby 2.4 (2016); modern RDoc requires Options.
           h = ::RDoc::Markup::ToHtml.new
+          # :nocov:
         end
         h.convert(content)
       end

lib/github/markups.rb

@@ -2,32 +2,32 @@
 require "github/markup/rdoc"
 require "shellwords"
 
-markup_impl(::GitHub::Markups::MARKUP_MARKDOWN, ::GitHub::Markup::Markdown.new)
+GitHub::Markup.markup_impl(::GitHub::Markups::MARKUP_MARKDOWN, ::GitHub::Markup::Markdown.new)
 
-markup(::GitHub::Markups::MARKUP_TEXTILE, :redcloth, /textile/, ["Textile"]) do |filename, content, options: {}|
+GitHub::Markup.markup(::GitHub::Markups::MARKUP_TEXTILE, :redcloth, /textile/, ["Textile"]) do |filename, content, options: {}|
   RedCloth.new(content).to_html
 end
 
-markup_impl(::GitHub::Markups::MARKUP_RDOC, GitHub::Markup::RDoc.new)
+GitHub::Markup.markup_impl(::GitHub::Markups::MARKUP_RDOC, GitHub::Markup::RDoc.new)
 
-markup(::GitHub::Markups::MARKUP_ORG, 'org-ruby', /org/, ["Org"]) do |filename, content, options: {}|
+GitHub::Markup.markup(::GitHub::Markups::MARKUP_ORG, 'org-ruby', /org/, ["Org"]) do |filename, content, options: {}|
   Orgmode::Parser.new(content, {
                         :allow_include_files => false,
                         :skip_syntax_highlight => true
                       }).to_html
 end
 
-markup(::GitHub::Markups::MARKUP_CREOLE, :creole, /creole/, ["Creole"]) do |filename, content, options: {}|
+GitHub::Markup.markup(::GitHub::Markups::MARKUP_CREOLE, :creole, /creole/, ["Creole"]) do |filename, content, options: {}|
   Creole.creolize(content)
 end
 
-markup(::GitHub::Markups::MARKUP_MEDIAWIKI, :wikicloth, /mediawiki|wiki/, ["MediaWiki"]) do |filename, content, options: {}|
+GitHub::Markup.markup(::GitHub::Markups::MARKUP_MEDIAWIKI, :wikicloth, /mediawiki|wiki/, ["MediaWiki"]) do |filename, content, options: {}|
   wikicloth = WikiCloth::WikiCloth.new(:data => content)
   WikiCloth::WikiBuffer::HTMLElement::ESCAPED_TAGS << 'tt' unless WikiCloth::WikiBuffer::HTMLElement::ESCAPED_TAGS.include?('tt')
   wikicloth.to_html(:noedit => true)
 end
 
-markup(::GitHub::Markups::MARKUP_ASCIIDOC, :asciidoctor, /adoc|asc(iidoc)?/, ["AsciiDoc"]) do |filename, content, options: {}|
+GitHub::Markup.markup(::GitHub::Markups::MARKUP_ASCIIDOC, :asciidoctor, /adoc|asc(iidoc)?/, ["AsciiDoc"]) do |filename, content, options: {}|
   attributes = {
     'showtitle' => '@',
     'idprefix' => '',
@@ -47,13 +47,13 @@
   Asciidoctor.convert(content, :safe => :secure, :attributes => attributes)
 end
 
-command(
+GitHub::Markup.command(
   ::GitHub::Markups::MARKUP_RST,
   "python3 #{Shellwords.escape(File.dirname(__FILE__))}/commands/rest2html",
   /re?st(\.txt)?/,
   ["reStructuredText"],
   "restructuredtext"
 )
 
-command(::GitHub::Markups::MARKUP_POD6, :pod62html, /pod6/, ["Pod 6"], "pod6")
-command(::GitHub::Markups::MARKUP_POD, :pod2html, /pod/, ["Pod"], "pod")
+GitHub::Markup.command(::GitHub::Markups::MARKUP_POD6, :pod62html, /pod6/, ["Pod 6"], "pod6")
+GitHub::Markup.command(::GitHub::Markups::MARKUP_POD, :pod2html, /pod/, ["Pod"], "pod")