require 'test/unit'
require File.dirname(__FILE__) + '/../../lib/active_support/core_ext/array'
class ArrayExtToParamTests < Test::Unit::TestCase
def test_string_array
assert_equal '', %w().to_param
assert_equal 'hello/world', %w(hello world).to_param
assert_equal 'hello/10', %w(hello 10).to_param
end
def test_number_array
assert_equal '10/20', [10, 20].to_param
end
end
class ArrayExtConversionTests < Test::Unit::TestCase
def test_plain_array_to_sentence
assert_equal "", [].to_sentence
assert_equal "one", ['one'].to_sentence
assert_equal "one and two", ['one', 'two'].to_sentence
assert_equal "one, two and three", ['one', 'two', 'three'].to_sentence
end
def test_to_sentence_with_connector
assert_equal "one, two and also three", ['one', 'two', 'three'].to_sentence(:connector => 'and also')
end
def test_to_sentence_with_skip_last_comma
assert_equal "one, two, and three", ['one', 'two', 'three'].to_sentence(:skip_last_comma => false)
end
def test_two_elements
assert_equal "one and two", ['one', 'two'].to_sentence
end
def test_one_element
assert_equal "one", ['one'].to_sentence
end
end
class ArrayExtGroupingTests < Test::Unit::TestCase
def test_group_by_with_perfect_fit
groups = []
('a'..'i').to_a.in_groups_of(3) do |group|
groups << group
end
assert_equal [%w(a b c), %w(d e f), %w(g h i)], groups
end
def test_group_by_with_padding
groups = []
('a'..'g').to_a.in_groups_of(3) do |group|
groups << group
end
assert_equal [%w(a b c), %w(d e f), ['g', nil, nil]], groups
end
def test_group_by_pads_with_specified_values
groups = []
('a'..'g').to_a.in_groups_of(3, false) do |group|
groups << group
end
assert_equal [%w(a b c), %w(d e f), ['g', false, false]], groups
end
end