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, 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_iter, #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_defs, #process_false, #process_gasgn, #process_iasgn, #process_if, #process_iter, #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_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.



101
102
103
104
 
# File 'lib/test_unit_heckler.rb', line 101

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 



27
28
29
 
# File 'lib/test_unit_heckler.rb', line 27

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

.load_test_files ⇒ Object 



31
32
33
34
 
# File 'lib/test_unit_heckler.rb', line 31

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

.test_pattern=(value) ⇒ Object 



23
24
25
 
# File 'lib/test_unit_heckler.rb', line 23

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

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



36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
 
# File 'lib/test_unit_heckler.rb', line 36

def self.validate(klass_name, method_name = nil,
                  nodes = Heckle::MUTATABLE_NODES, force = false)
  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

  heckle = self.new(klass_name)

  passed = heckle.tests_pass?

  unless force or passed then
    abort "Initial run of tests failed... fix and run heckle again"
  end

  if self.guess_timeout? then
    running_time = Time.now - initial_time
    adjusted_timeout = (running_time * 2 < 5) ? 5 : (running_time * 2).ceil
    self.timeout = adjusted_timeout
  end

  puts "Timeout set to #{adjusted_timeout} seconds."

  if passed then
    puts "Initial tests pass. Let's rumble."
  else
    puts "Initial tests failed but you forced things. Let's rumble."
  end
  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) 


108
109
110
111
112
113
114
115
116
117
118
119
 
# File 'lib/test_unit_heckler.rb', line 108

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
    result = Test::Unit::AutoRunner.run
    ARGV.clear
    result
  end
end