Class: TestUnitHeckler

Inherits:
Heckle
  • Object
show all
Includes:
ZenTestMapping
Defined in:
lib/test_unit_heckler.rb

Constant Summary collapse

@@test_pattern = 
'test/test_*.rb'
@@tests_loaded = 
false
@@focus = 
false

Constants inherited from Heckle

Heckle::ASGN_NODES, Heckle::BRANCH_NODES, Heckle::DIFF, Heckle::MUTATABLE_NODES, Heckle::NULL_PATH, Heckle::VERSION, Heckle::WINDOZE

Instance Attribute Summary

Attributes inherited from Heckle

#count, #failures, #klass, #klass_name, #method, #method_name, #mutatees, #mutation_count, #node_count, #original_tree

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Heckle

#aliasing_class, #already_mutated?, #current_code, #current_tree, debug=, #grab_conditional_loop_parts, #grab_mutatees, guess_timeout?, #heckle, #increment_mutation_count, #increment_node_count, #mutate_asgn, #mutate_call, #mutate_false, #mutate_if, #mutate_lit, #mutate_node, #mutate_str, #mutate_true, #mutate_until, #mutate_while, #mutations_left, #process_asgn, #process_call, #process_cvasgn, #process_dasgn, #process_dasgn_curr, #process_defn, #process_false, #process_gasgn, #process_iasgn, #process_if, #process_lasgn, #process_lit, #process_str, #process_true, #process_until, #process_while, #rand_number, #rand_range, #rand_string, #rand_symbol, #record_passing_mutation, #reset, #reset_mutatees, #reset_mutation_count, #reset_node_count, #reset_tree, #run_tests, #should_heckle?, #silence_stream, timeout=, #validate, #walk_and_push

Constructor Details

#initialize(klass_name = nil, method_name = nil, nodes = Heckle::MUTATABLE_NODES) ⇒ TestUnitHeckler

Returns a new instance of TestUnitHeckler.



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# File 'lib/test_unit_heckler.rb', line 86

def initialize(klass_name=nil, method_name=nil, nodes=Heckle::MUTATABLE_NODES)
  super
  self.class.load_test_files unless @@tests_loaded
end

Class Method Details

.focus=(value) ⇒ Object 



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# File 'lib/test_unit_heckler.rb', line 18

def self.focus=(value)
  @@focus = value
end

.load_test_files ⇒ Object 



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# File 'lib/test_unit_heckler.rb', line 22

def self.load_test_files
  @@tests_loaded = true
  Dir.glob(@@test_pattern).each {|test| require test}
end

.test_pattern=(value) ⇒ Object 



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# File 'lib/test_unit_heckler.rb', line 14

def self.test_pattern=(value)
  @@test_pattern = value
end

.validate(klass_name, method_name = nil, nodes = Heckle::MUTATABLE_NODES) ⇒ Object 



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# File 'lib/test_unit_heckler.rb', line 27

def self.validate(klass_name, method_name = nil,
                  nodes = Heckle::MUTATABLE_NODES)
  load_test_files
  klass = klass_name.to_class

  # Does the method exist?
  klass_methods = klass.singleton_methods(false).collect {|meth| "self.#{meth}"}
  if method_name
    if method_name =~ /self\./
      abort "Unknown method: #{klass_name}.#{method_name.gsub('self.', '')}" unless klass_methods.include? method_name
    else
      abort "Unknown method: #{klass_name}##{method_name}" unless klass.instance_methods(false).include? method_name
    end
  end

  initial_time = Time.now

  unless self.new(klass_name).tests_pass? then
    abort "Initial run of tests failed... fix and run heckle again"
  end

  if self.guess_timeout?
    running_time = (Time.now - initial_time)
    adjusted_timeout = (running_time * 2 < 5) ? 5 : (running_time * 2)
    self.timeout = adjusted_timeout
    puts "Setting timeout at #{adjusted_timeout} seconds." if @@debug

  end

  self.timeout = adjusted_timeout

  puts "Initial tests pass. Let's rumble."
  puts

  methods = method_name ? Array(method_name) : klass.instance_methods(false) + klass_methods

  counts = Hash.new(0)
  methods.sort.each do |method_name|
    result = self.new(klass_name, method_name, nodes).validate
    counts[result] += 1
  end
  all_good = counts[false] == 0

  puts "Heckle Results:"
  puts
  puts "Passed    : %3d" % counts[true]
  puts "Failed    : %3d" % counts[false]
  puts "Thick Skin: %3d" % counts[nil]
  puts

  if all_good then
    puts "All heckling was thwarted! YAY!!!"
  else
    puts "Improve the tests and try again."
  end

  all_good
end

Instance Method Details

#tests_pass? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/test_unit_heckler.rb', line 93

def tests_pass?
  silence_stream do
    if @@focus and @method_name then
      name = normal_to_test @method_name.to_s
      ARGV.clear
      ARGV << "--name=/#{name}/"
    end
    Test::Unit::AutoRunner.run
    ARGV.clear
  end
end