# -*- encoding : utf-8 -*-
# 
# Copyright (c) 2011, Diego Souza
# All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# 
#   * Redistributions of source code must retain the above copyright notice,
#     this list of conditions and the following disclaimer.
#   * Redistributions in binary form must reproduce the above copyright notice,
#     this list of conditions and the following disclaimer in the documentation
#     and/or other materials provided with the distribution.
#   * Neither the name of the <ORGANIZATION> nor the names of its contributors
#     may be used to endorse or promote products derived from this software
#     without specific prior written permission.
# 
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require "time"
require "rspec/core/formatters/base_formatter"

class JUnitFormatter < RSpec::Core::Formatters::BaseFormatter

  attr_reader :test_results

  def initialize(output)
    super(output)      
    @test_results = { :failures => [], :successes => [], :skipped => [] }
  end

  def example_passed(example)
    super(example)
    @test_results[:successes].push(example)
  end

  def example_pending(example)
    super(example)
    @test_results[:skipped].push(example)
  end

  def example_failed(example)
    super(example)
    @test_results[:failures].push(example)
  end

  def read_failure(t)
    exception = t.metadata[:execution_result][:exception_encountered] || t.metadata[:execution_result][:exception]
    message = ""
    unless (exception.nil?)
      message  = exception.message
      message += "\n"
      message += format_backtrace(exception.backtrace, t).join("\n")
    end
    return(message)
  end

  def dump_summary(duration, example_count, failure_count, pending_count)
    super(duration, example_count, failure_count, pending_count)
    output.puts("<?xml version=\"1.0\" encoding=\"utf-8\" ?>")
    output.puts("<testsuite errors=\"0\" failures=\"#{failure_count}\" skipped=\"#{pending_count}\" tests=\"#{example_count}\" time=\"#{duration}\" timestamp=\"#{Time.now.iso8601}\">")
    output.puts("  <properties />")
    @test_results[:successes].each do |t|
      md          = t.metadata
      runtime     = md[:execution_result][:run_time]
      description = _xml_escape(md[:full_description])
      file_path   = _xml_escape(md[:file_path])
      output.puts("  <testcase classname=\"#{file_path}\" name=\"#{description}\" time=\"#{runtime}\" />")
    end
    @test_results[:failures].each do |t|
      md          = t.metadata
      description = _xml_escape(md[:full_description])
      file_path   = _xml_escape(md[:file_path])
      runtime     = md[:execution_result][:run_time]
      output.puts("  <testcase classname=\"#{file_path}\" name=\"#{description}\" time=\"#{runtime}\">")
      output.puts("    <failure message=\"failure\" type=\"failure\">")
      output.puts("<![CDATA[ #{read_failure(t)} ]]>")
      output.puts("    </failure>")
      output.puts("  </testcase>")
    end
    @test_results[:skipped].each do |t|
      md          = t.metadata
      description = _xml_escape(md[:full_description])
      file_path   = _xml_escape(md[:file_path])
      runtime     = md[:execution_result][:run_time]
      output.puts("  <testcase classname=\"#{file_path}\" name=\"#{description}\" time=\"#{runtime}\">")
      output.puts("    <skipped/>")
      output.puts("  </testcase>")
    end
    output.puts("</testsuite>")
  end

  def _xml_escape(x)
    x.gsub("&", "&amp;").
      gsub("\"", "&quot;").
      gsub(">", "&gt;").
      gsub("<", "&lt;")
  end
end