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require 'test/unit'
require File.dirname(__FILE__) + '/../../lib/active_support/core_ext/enumerable'
class EnumerableTests < Test::Unit::TestCase
def test_first_match_no_match
[[1, 2, 3, 4, 5], (1..9)].each {|a| a.first_match {|x| x > 10}}
end
def test_first_match_with_match
assert_equal true, [1, 2, 3, 4, 5, 6].first_match {|x| x > 4}
assert_equal true, (1..10).first_match {|x| x > 9}
assert_equal :aba, {:a => 10, :aba => 50, :bac => 40}.first_match {|k, v| k if v > 45}
end
def test_group_by
names = %w(marcel sam david jeremy)
klass = Class.new
klass.send(:attr_accessor, :name)
objects = (1..50).inject([]) do |people,|
p = klass.new
p.name = names.sort_by { rand }.first
people << p
end
objects.group_by {|object| object.name}.each do |name, group|
assert group.all? {|person| person.name == name}
end
end
end
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