Class: RushCheck::Config

Inherits:
Object
  • Object
show all
Defined in:
lib/rushcheck/config.rb

Overview

Config is a class which has configurations of tests. This class is needed for several test functions.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(max_test = 100, max_fail = 1000, size = Proc.new {|x| x / 2 + 3}, every = Proc.new {|n, args| s = n.to_s; s + ("\b" * s.length)}) ⇒ Config

Returns a new instance of Config.



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# File 'lib/rushcheck/config.rb', line 36

def initialize(max_test = 100, 
               max_fail = 1000,
               size = Proc.new {|x| x / 2 + 3},
               every = Proc.new {|n, args| s = n.to_s; s + ("\b" * s.length)})
  @max_test, @max_fail, @size, @every = max_test, max_fail, size, every
end

Instance Attribute Details

#every ⇒ Object (readonly)

Returns the value of attribute every.



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# File 'lib/rushcheck/config.rb', line 12

def every
  @every
end

#max_fail ⇒ Object (readonly)

Returns the value of attribute max_fail.



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# File 'lib/rushcheck/config.rb', line 12

def max_fail
  @max_fail
end

#max_test ⇒ Object (readonly)

Returns the value of attribute max_test.



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# File 'lib/rushcheck/config.rb', line 12

def max_test
  @max_test
end

#size ⇒ Object (readonly)

Returns the value of attribute size.



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# File 'lib/rushcheck/config.rb', line 12

def size
  @size
end

Class Method Details

.batch(n, v) ⇒ Object 



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# File 'lib/rushcheck/config.rb', line 28

def self.batch(n, v)
  new(n, n * 10, 
      Proc.new{|x| (x / 2 + 3).to_i},
      Proc.new do |n, args|
        v ? n.to_s + ":\n" + args.join("\n") + "\n" : ""
      end)
end

.silent ⇒ Object 



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# File 'lib/rushcheck/config.rb', line 22

def self.silent
  new(100, 1000, 
      Proc.new{|x| x / 2 + 3},
      Proc.new { |n, args| ''})
end

.verbose ⇒ Object 



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# File 'lib/rushcheck/config.rb', line 14

def self.verbose 
  new(100, 1000, 
      Proc.new{|x| x / 2 + 3},
      Proc.new do |n, args|
        n.to_s + ":\n" + args.join("\n") + "\n"
      end)
end

Instance Method Details

#done(mesg, ntest, stamps) ⇒ Object

print results of tests.



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# File 'lib/rushcheck/config.rb', line 44

def done(mesg, ntest, stamps)
  print mesg + ' ' + ntest.to_s + ' tests'

  bag = stamps.compact.find_all {|x| ! x.empty?}.sort.
    inject(Hash.new) do |r, m|
    r[m] = r[m].nil? ? 1 : r[m] + 1
    r
  end.sort_by {|k, v| v}.reverse.map do |pair|
    percentage = ((100 * pair[1]) / ntest).to_s + '%'
    ([percentage] + pair[0]).join(', ')
  end

  mes = case bag.length
        when 0
          ".\n"
        when 1
          '(' + bag[0] + ").\n"
        else
          ".\n" + bag.join(".\n") + ".\n"
        end

  print mes
end

#test_batch(gen, rnd, nt = 1, nf = 0, stamps = []) ⇒ Object 



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# File 'lib/rushcheck/config.rb', line 110

def test_batch(gen, rnd, nt=1, nf=0, stamps=[])
  ntest, nfail = nt, nf
  while true
    if ntest > max_test
      tests_result = RushCheck::TestOk.new("OK, passed", ntest, stamps)
      break
    end
    if nfail > max_fail
      test_result = RushCheck::TestExausted.new('Arguments exhausted after ', ntest, stamps)
      break
    end
    
    rnd_l, rnd_r = rnd.split
    result = gen.generate(size.call(ntest), rnd_r)
    message = every.call(ntest, result.arguments)
    print message # don't puts

    case result.ok
    when nil
      nfail += 1
      redo
    when true
      stamps.push(result.stamp)
      ntest += 1
      redo
    when false
      tests_result = RushCheck::TestFailed.new(result.arguments, ntest)
      break
    else
      raise(RuntimeError, "RushCheck: illegal result")
    end
  end    

  test_result
end

#tests(gen, rnd, nt = 1, nf = 0, stamps = []) ⇒ Object

execute tests



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# File 'lib/rushcheck/config.rb', line 69

def tests(gen, rnd, nt=1, nf=0, stamps=[])
  ntest, nfail = nt, nf
  while true
    if ntest > max_test
      done('OK, passed', max_test, stamps)
      tests_result = true
      break
    end
    if nfail > max_fail
      done('Arguments exhausted after ', ntest, stamps)
      tests_result = nil
      break
    end

    rnd_l, rnd_r = rnd.split
    result = gen.generate(size.call(ntest), rnd_r)
    message = every.call(ntest, result.arguments)
    print message # don't puts

    case result.ok
    when nil
      nfail += 1
      redo
    when true
      stamps.push(result.stamp)
      ntest += 1
      redo
    when false
      error = "Falsifiable, after " + ntest.to_s + " tests:\n" + 
        result.arguments.join("\n")
      puts error
      tests_result = false
      break
    else
      raise(RuntimeError, "RushCheck: illegal result")
    end
  end
  
  tests_result
end