class Actir::ParallelTests::Grouper

Public Class Methods

in_even_groups_by_size(items, num_groups, options= {}) click to toggle source
# File lib/actir/parallel_tests/grouper.rb, line 6
def in_even_groups_by_size(items, num_groups, options= {})
  groups = Array.new(num_groups) { {:items => [], :size => 0} }

  groups_to_fill = (options[:isolate] ? groups[1..-1] : groups)
  group_features_by_size(items_to_group(items), groups_to_fill)

  groups.map!{|g| g[:items].sort }
end

Private Class Methods

add_to_group(group, item, size) click to toggle source
# File lib/actir/parallel_tests/grouper.rb, line 25
def add_to_group(group, item, size)
  group[:items] << item
  group[:size] += size
end
group_features_by_size(items, groups_to_fill) click to toggle source
# File lib/actir/parallel_tests/grouper.rb, line 30
def group_features_by_size(items, groups_to_fill)
  items.each do |item, size|
    size ||= 1
    smallest = smallest_group(groups_to_fill)
    add_to_group(smallest, item, size)
  end
end
items_to_group(items) click to toggle source
# File lib/actir/parallel_tests/grouper.rb, line 38
def items_to_group(items)
  items.first && items.first.size == 2 ? largest_first(items) : items
end
largest_first(files) click to toggle source
# File lib/actir/parallel_tests/grouper.rb, line 17
def largest_first(files)
  files.sort_by{|item, size| size }.reverse
end
smallest_group(groups) click to toggle source
# File lib/actir/parallel_tests/grouper.rb, line 21
def smallest_group(groups)
  groups.min_by{|g| g[:size] }
end