Added _SUMMARY.md missing files checking

_lib/summary_checker.rb

@@ -0,0 +1,26 @@
+require 'rexml/xpath'
+require_relative './utils.rb'
+
+module Docs
+  class SummaryChecker
+    def self.check(path)
+      xml = Docs::Utils.md2xml(path)
+      dir = File.dirname(path)
+      is_ok = true
+      missing_files = []
+
+      xml.elements.each("//a") do |link|
+        href = link.attribute('href').to_s
+        path = "#{dir}/#{href.gsub(/\.html$/, '.md')}"
+
+        if !File.file?(path)
+          is_ok = false unless is_ok
+          missing_files.push href
+          break
+        end
+      end
+
+      missing_files
+    end
+  end
+end

_rake/build_toc.rake

@@ -4,9 +4,24 @@ task :build_toc do
   toc_file = ENV['dest'] || "#{src_dir}/HelpTOC.json"
 
   load "#{src_dir}/_lib/toc_generator.rb"
+  load "#{src_dir}/_lib/summary_checker.rb"
 
   kramdown_config = YAML::load_file("#{src_dir}/_config.yml")['kramdown']
   toc = Docs::TocGenerator.extract("#{src_dir}/_SUMMARY.md", kramdown_config)
+  missing_files = Docs::SummaryChecker.check("#{src_dir}/_SUMMARY.md")
+
+  puts "Checking _SUMMARY.md\n"
+
+  if missing_files.size > 0
+    msg = ['Error, following files are missing:']
+    missing_files.each do |file|
+      msg.push "- #{file}"
+    end
+
+    raise (msg.join("\n"))
+  else
+    puts "_SUMMARY.md is OK"
+  end
 
   res = File.write("#{toc_file}", toc.to_json)
   puts "TOC successfully created in #{toc_file}" if res