spec_helper.rb in asciimath2unitsml-0.4.4

- old
+ new

@@ -8,11 +8,10 @@
 SimpleCov.start "gem"
 
 require "asciimath2unitsml"
 require "rspec/matchers"
 require "equivalent-xml/rspec_matchers"
-require "rexml/document"
 
 RSpec.configure do |config|
   # Enable flags like --only-failures and --next-failure
   config.example_status_persistence_file_path = ".rspec_status"
 
@@ -23,11 +22,17 @@
     c.syntax = :expect
   end
 end
 
 def xmlpp(xml)
-  s = ""
-  f = REXML::Formatters::Pretty.new(2)
-  f.compact = true
-  f.write(REXML::Document.new(xml), s)
-  s
+  xsl = <<~XSL
+    <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
+      <xsl:output method="xml" encoding="UTF-8" indent="yes"/>
+      <xsl:strip-space elements="*"/>
+      <xsl:template match="/">
+        <xsl:copy-of select="."/>
+      </xsl:template>
+    </xsl:stylesheet>
+  XSL
+  Nokogiri::XSLT(xsl).transform(Nokogiri::XML(xml, &:noblanks))
+    .to_xml(indent: 2, encoding: "UTF-8")
 end