Contents

class Checker
  @@children = []

  def initialize(testcase, response, excludes=nil)
    @testcase = testcase
    @response = response
    @excludes = excludes
  end

  # executes the checking routine and returns a result object
  # to be overwritten in child classes
  def check
    result = Result.new(@testcase, @response)
  end

  # returns a list of symbolized plugin names
  def self.available_plugins
    return @@children.map{ |child| child.to_s }
  end

  private

  # tracks all children of this class
  # this way plugins can be loaded automagically
  def self.inherited(child)
    @@children << child
  end

  # returns true if given attributes is an excluded item that does not have to be evaluated in this environment
  def excluded?(item)
    @excludes.include?(item)
  end

  def is_number_comparison?(string)
    return false unless string
    string.match(/^[><]\s*\d+\s*$/) || string.match(/^[<>=]=\s*\d+\s*$/)
  end

  def compare_number(expectation, value)
    return false unless value && value.match(/[\d\.]+/)
    eval "#{value}#{expectation}"
  end

  # returns true if given string seems to be a regular expression
  def is_regex?(string)
    string.to_s.match(/^\/.+\/$/)
  end

  # returns true if the given regular expression matches the given value
  def regex_matches?(regex, value)
    regex = Regexp.compile( regex.gsub(/^\//, '').gsub(/\/$/,'') )
    !!value.to_s.match(regex)
  end

  # returns true if the given string exactly matches the given value
  def string_matches?(string, value)
    string.to_s == value.to_s
  end

  # parses output into JSON object
  def valid_json?(response_body)
    # responses may be nil, return true then
    return true if response_body.nil? or response_body == {} or response_body == "" or response_body == " "
    # returns true if given response is valid json, else false
    JSON.parse(response_body.to_s) rescue false
  end

end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
apirunner-0.4.10	lib/checker.rb
apirunner-0.4.9	lib/checker.rb
apirunner-0.4.8	lib/checker.rb
apirunner-0.4.7	lib/checker.rb