Class: ATP::Processors::OneFlagPerTest

Inherits:
ATP::Processor show all
Defined in:
lib/atp/processors/one_flag_per_test.rb

Overview

Ensures that all test nodes only ever set a flag once

Instance Method Summary collapse

Methods inherited from ATP::Processor

#clean_flag, #extract_volatiles, #handler_missing, #process, #process_all, #volatile?, #volatile_flags

Instance Method Details

#on_test(node) ⇒ Object 



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# File 'lib/atp/processors/one_flag_per_test.rb', line 17

def on_test(node)
  on_pass = node.find(:on_pass)
  on_fail = node.find(:on_fail)
  if @build_table
    if on_fail
      on_fail.find_all(:set_flag).each do |n|
        @fail_table[n.to_a[0]] ||= 0
        @fail_table[n.to_a[0]] += 1
      end
    end
    if on_pass
      on_pass.find_all(:set_flag).each do |n|
        @pass_table[n.to_a[0]] ||= 0
        @pass_table[n.to_a[0]] += 1
      end
    end
  else
    to_be_set = {}
    if on_fail
      node = node.remove(on_fail)
      on_fail.find_all(:set_flag).each do |set_flag|
        old_flag = set_flag.to_a[0]
        if @fail_table[old_flag] > 1
          on_fail = on_fail.remove(set_flag)
          new_flag = "#{old_flag}_#{@counters[old_flag]}"
          @counters[old_flag] += 1
          to_be_set[old_flag] = new_flag
          c = set_flag.children.dup
          c[0] = new_flag
          set_flag = set_flag.updated(nil, c)
          on_fail = on_fail.updated(nil, on_fail.children + [set_flag])
        end
      end
      node = node.updated(nil, node.children + [on_fail])
    end
    if on_pass
      node = node.remove(on_pass)
      on_pass.find_all(:set_flag).each do |set_flag|
        old_flag = set_flag.to_a[0]
        if @pass_table[old_flag] > 1
          on_pass = on_pass.remove(set_flag)
          new_flag = "#{old_flag}_#{@counters[old_flag]}"
          @counters[old_flag] += 1
          to_be_set[old_flag] = new_flag
          c = set_flag.children.dup
          c[0] = new_flag
          set_flag = set_flag.updated(nil, c)
          on_pass = on_pass.updated(nil, on_pass.children + [set_flag])
        end
      end
      node = node.updated(nil, node.children + [on_pass])
    end
    if to_be_set.empty?
      node
    else
      nodes = to_be_set.map { |old, new| node.updated(:if_flag, [new, node.updated(:set_flag, [old, 'auto_generated'])]) }
      node.updated(:inline, [node] + nodes)
    end
  end
end

#run(node) ⇒ Object 



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# File 'lib/atp/processors/one_flag_per_test.rb', line 5

def run(node)
  @build_table = true
  @pass_table = {}
  @fail_table = {}
  process(node)
  @counters = {}
  @pass_table.each { |f, v| @counters[f] = 0 }
  @fail_table.each { |f, v| @counters[f] = 0 }
  @build_table = false
  process(node)
end