class JsonChecker::JSONComparator

Public Class Methods

compare(fileToCheck, compareTo) click to toggle source
# File lib/json_checker/json_comparator.rb, line 8
def self.compare(fileToCheck, compareTo)
  
  if fileToCheck.nil? || compareTo.nil? || !compareTo.is_a?(Array) || !fileToCheck.is_a?(JSONToCheck)
    return
  end

  compareTo.each do |compare|
    if CheckableFile.is_valid_representation?(compare)
      checkableFile = CheckableFile.new(compare)
      fileContent = checkableFile.get_content()

      jsonComparator = JSONComparator.new()
      jsonComparator.compare_json("Comparing #{fileToCheck.name} with #{checkableFile.name}", fileToCheck.get_content(), fileContent)
    end
  end
end

Public Instance Methods

add_line(line) click to toggle source
# File lib/json_checker/json_comparator.rb, line 62
def add_line(line)
  
  if line.nil?
    return ""
  end 

  line = line.gsub("\n","")
  formatter = "<p class=\"%{first}\">%{second}</p>"
  className = "null"

  if line.chars.first == "+"
    className = "addition"
  elsif line.chars.first == "-"
    className = "remotion"
  end
  return formatter % {first: className, second: line}
end
compare_json(title, json, jsonToCompare) click to toggle source
# File lib/json_checker/json_comparator.rb, line 25
def compare_json(title, json, jsonToCompare)    
  temp_json = tempfile_from_json(json)
  temp_jsonToCompare = tempfile_from_json(jsonToCompare)

  unless temp_json.nil? && temp_jsonToCompare.nil?
    diff = Diffy::Diff.new(temp_jsonToCompare.path, temp_json.path, :source => 'files', :context => 3)
    html_report_from_diff(title, diff)

    temp_jsonToCompare.delete
    temp_json.delete
  end
end
html_report_from_diff(title, diff) click to toggle source
# File lib/json_checker/json_comparator.rb, line 50
def html_report_from_diff(title, diff)
  if diff.nil?
    return nil
  end

  result = ""
  diff.to_s.each_line do |line|
    result = result + add_line(line)
  end
  HTMLOutput.add_comparation_item(title, result)
end
tempfile_from_json(json) click to toggle source
# File lib/json_checker/json_comparator.rb, line 38
def tempfile_from_json(json)
  json = JSONFetcher.json_from_content(json)
  unless json.nil?
    tempfile = Tempfile.new("temp_json")
    tempfile.write(JSON.pretty_generate(json) + "\n")
    tempfile.close
    return tempfile
  end
  puts "[ERROR] File content is not a valid JSON"
  return nil
end