Module: Beaker::LoggerJunit

Defined in:
lib/beaker/logger_junit.rb

Overview

The Beaker JUnit Logger class This module handles message reporting from Beaker to the JUnit format

There is a specific pattern for using this class. Here’s a list of example usages:

Class Method Summary collapse

Class Method Details

.copy_stylesheet_into_xml_dir(stylesheet, xml_file) ⇒ Object

copies given stylesheet into the directory of the xml file given



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# File 'lib/beaker/logger_junit.rb', line 70

def self.copy_stylesheet_into_xml_dir(stylesheet, xml_file)
  if not File.file?(File.join(File.dirname(xml_file), File.basename(stylesheet)))
    FileUtils.copy(stylesheet, File.join(File.dirname(xml_file), File.basename(stylesheet)))
  end
end

.escape_invalid_xml_chars(string) ⇒ String

Escape invalid XML UTF-8 codes from provided string, see www.w3.org/TR/xml/#charsets for valid character specification



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# File 'lib/beaker/logger_junit.rb', line 130

def self.escape_invalid_xml_chars string
  escaped_string = ""
  string.chars.each do |i|
    char_as_codestring = i.unpack("U*").join
    if self.is_valid_xml(char_as_codestring.to_i)
      escaped_string << i
    else
      escaped_string << "\\#{char_as_codestring}"
    end
  end
  escaped_string
end

.finish(doc, xml_file) ⇒ Object

writes out xml content for a doc



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# File 'lib/beaker/logger_junit.rb', line 42

def self.finish(doc, xml_file)
  # junit/name.xml will be created in a directory relative to the CWD

  File.open(xml_file, 'w') { |f| doc.write(f, 2) }
end

.format_cdata(string) ⇒ String

Remove color codes and invalid XML characters from provided string



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# File 'lib/beaker/logger_junit.rb', line 122

def self.format_cdata string
  self.escape_invalid_xml_chars(Logger.strip_color_codes(string))
end

.get_doc_for_filename(filename, stylesheet, already_exists) ⇒ REXML::Document

gives the document object for a particular file



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# File 'lib/beaker/logger_junit.rb', line 106

def self.get_doc_for_filename(filename, stylesheet, already_exists)
  if already_exists
    doc           = REXML::Document.new File.open(filename)
  else
    #no existing file, create a new one
    doc           = REXML::Document.new
    doc << REXML::XMLDecl.new(version="1.0", encoding="UTF-8")
    instruction_content = "type='text/xsl' href='#{File.basename(stylesheet)}'"
    doc << REXML::Instruction.new(target="xml-stylesheet", content=instruction_content)
  end
  return doc
end

.get_testsuites_from_doc(doc, name, already_existed) ⇒ Rexml::Element

sets up doc & gives us the suites for the testsuite named



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# File 'lib/beaker/logger_junit.rb', line 83

def self.get_testsuites_from_doc(doc, name, already_existed)
  #check to see if an output file already exists, if it does add or replace test suite data
  if already_existed
    suites = REXML::XPath.first(doc, "testsuites")
    #remove old data
    suites.elements.each("testsuite") do |e|
      if e.name =~ /#{name}/
        suites.delete_element e
      end
    end
  else
    suites = doc.add_element(REXML::Element.new('testsuites'))
  end
  return suites
end

.get_xml_contents(xml_file, name, stylesheet) ⇒ REXML::Document, REXML::Element

gets the xml doc & suites in order to build your xml output on top of



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# File 'lib/beaker/logger_junit.rb', line 56

def self.get_xml_contents(xml_file, name, stylesheet)
  self.copy_stylesheet_into_xml_dir(stylesheet, xml_file)
  xml_file_already_exists = File.file?(xml_file)
  doc = self.get_doc_for_filename(xml_file, stylesheet, xml_file_already_exists)
  suites = self.get_testsuites_from_doc(doc, name, xml_file_already_exists)
  return doc, suites
end

.is_valid_xml(int) ⇒ Boolean

Determine if the provided number falls in the range of accepted xml unicode values See www.w3.org/TR/xml/#charsets for valid for valid character specifications.



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# File 'lib/beaker/logger_junit.rb', line 147

def self.is_valid_xml(int)
  return ( int == 0x9 or
    int == 0xA or
    ( int >= 0x0020 and int <= 0xD7FF ) or
    ( int >= 0xE000 and int <= 0xFFFD ) or
    ( int >= 0x100000 and int <= 0x10FFFF )
  )
end

.write_xml(xml_file, stylesheet, &block) ⇒ Object

writes the xml created in the block to the xml file given

Note: Error Recovery should take place in the caller of this method in order to recover gracefully



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# File 'lib/beaker/logger_junit.rb', line 21

def self.write_xml(xml_file, stylesheet, &block)
  doc, suites = self.get_xml_contents(xml_file, name, stylesheet)

  if block_given?
    case block.arity
    when 2
      yield doc, suites
    else
      raise ArgumentError.new "write_xml block takes 2 arguments, not #{block.arity}"
    end
  end

  self.finish(doc, xml_file)
end