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require 'abstract_unit'
require 'bigdecimal'
class ArrayExtAccessTests < Test::Unit::TestCase
def test_from
assert_equal %w( a b c d ), %w( a b c d ).from(0)
assert_equal %w( c d ), %w( a b c d ).from(2)
assert_nil %w( a b c d ).from(10)
end
def test_to
assert_equal %w( a ), %w( a b c d ).to(0)
assert_equal %w( a b c ), %w( a b c d ).to(2)
assert_equal %w( a b c d ), %w( a b c d ).to(10)
end
def test_second_through_tenth
array = (1..42).to_a
assert_equal array[1], array.second
assert_equal array[2], array.third
assert_equal array[3], array.fourth
assert_equal array[4], array.fifth
assert_equal array[41], array.forty_two
end
end
class ArrayExtToParamTests < Test::Unit::TestCase
class ToParam < String
def to_param
"#{self}1"
end
end
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
def test_to_param_array
assert_equal 'custom1/param1', [ToParam.new('custom'), ToParam.new('param')].to_param
end
end
class ArrayExtToSentenceTests < 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_words_connector
assert_equal "one two, and three", ['one', 'two', 'three'].to_sentence(:words_connector => ' ')
assert_equal "one & two, and three", ['one', 'two', 'three'].to_sentence(:words_connector => ' & ')
assert_equal "onetwo, and three", ['one', 'two', 'three'].to_sentence(:words_connector => nil)
end
def test_to_sentence_with_last_word_connector
assert_equal "one, two, and also three", ['one', 'two', 'three'].to_sentence(:last_word_connector => ', and also ')
assert_equal "one, twothree", ['one', 'two', 'three'].to_sentence(:last_word_connector => nil)
assert_equal "one, two three", ['one', 'two', 'three'].to_sentence(:last_word_connector => ' ')
assert_equal "one, two and three", ['one', 'two', 'three'].to_sentence(:last_word_connector => ' and ')
end
def test_two_elements
assert_equal "one and two", ['one', 'two'].to_sentence
assert_equal "one two", ['one', 'two'].to_sentence(:two_words_connector => ' ')
end
def test_one_element
assert_equal "one", ['one'].to_sentence
end
def test_one_non_string_element
assert_equal '1', [1].to_sentence
end
end
class ArrayExtToSTests < Test::Unit::TestCase
def test_to_s_db
collection = [
Class.new { def id() 1 end }.new,
Class.new { def id() 2 end }.new,
Class.new { def id() 3 end }.new
]
assert_equal "null", [].to_s(:db)
assert_equal "1,2,3", collection.to_s(:db)
end
end
class ArrayExtGroupingTests < Test::Unit::TestCase
def test_in_groups_of_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
assert_equal [%w(a b c), %w(d e f), %w(g h i)], ('a'..'i').to_a.in_groups_of(3)
end
def test_in_groups_of_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_in_groups_of_pads_with_specified_values
groups = []
('a'..'g').to_a.in_groups_of(3, 'foo') do |group|
groups << group
end
assert_equal [%w(a b c), %w(d e f), ['g', 'foo', 'foo']], groups
end
def test_in_groups_of_without_padding
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']], groups
end
def test_in_groups_returned_array_size
array = (1..7).to_a
1.upto(array.size + 1) do |number|
assert_equal number, array.in_groups(number).size
end
end
def test_in_groups_with_empty_array
assert_equal [[], [], []], [].in_groups(3)
end
def test_in_groups_with_block
array = (1..9).to_a
groups = []
array.in_groups(3) do |group|
groups << group
end
assert_equal array.in_groups(3), groups
end
def test_in_groups_with_perfect_fit
assert_equal [[1, 2, 3], [4, 5, 6], [7, 8, 9]],
(1..9).to_a.in_groups(3)
end
def test_in_groups_with_padding
array = (1..7).to_a
assert_equal [[1, 2, 3], [4, 5, nil], [6, 7, nil]],
array.in_groups(3)
assert_equal [[1, 2, 3], [4, 5, 'foo'], [6, 7, 'foo']],
array.in_groups(3, 'foo')
end
def test_in_groups_without_padding
assert_equal [[1, 2, 3], [4, 5], [6, 7]],
(1..7).to_a.in_groups(3, false)
end
end
class ArraySplitTests < Test::Unit::TestCase
def test_split_with_empty_array
assert_equal [[]], [].split(0)
end
def test_split_with_argument
assert_equal [[1, 2], [4, 5]], [1, 2, 3, 4, 5].split(3)
assert_equal [[1, 2, 3, 4, 5]], [1, 2, 3, 4, 5].split(0)
end
def test_split_with_block
assert_equal [[1, 2], [4, 5], [7, 8], [10]], (1..10).to_a.split { |i| i % 3 == 0 }
end
def test_split_with_edge_values
assert_equal [[], [2, 3, 4, 5]], [1, 2, 3, 4, 5].split(1)
assert_equal [[1, 2, 3, 4], []], [1, 2, 3, 4, 5].split(5)
assert_equal [[], [2, 3, 4], []], [1, 2, 3, 4, 5].split { |i| i == 1 || i == 5 }
end
end
class ArrayToXmlTests < Test::Unit::TestCase
def test_to_xml
xml = [
{ :name => "David", :age => 26, :age_in_millis => 820497600000 },
{ :name => "Jason", :age => 31, :age_in_millis => BigDecimal.new('1.0') }
].to_xml(:skip_instruct => true, :indent => 0)
assert_equal '<records type="array"><record>', xml.first(30)
assert xml.include?(%(<age type="integer">26</age>)), xml
assert xml.include?(%(<age-in-millis type="integer">820497600000</age-in-millis>)), xml
assert xml.include?(%(<name>David</name>)), xml
assert xml.include?(%(<age type="integer">31</age>)), xml
assert xml.include?(%(<age-in-millis type="decimal">1.0</age-in-millis>)), xml
assert xml.include?(%(<name>Jason</name>)), xml
end
def test_to_xml_with_dedicated_name
xml = [
{ :name => "David", :age => 26, :age_in_millis => 820497600000 }, { :name => "Jason", :age => 31 }
].to_xml(:skip_instruct => true, :indent => 0, :root => "people")
assert_equal '<people type="array"><person>', xml.first(29)
end
def test_to_xml_with_options
xml = [
{ :name => "David", :street_address => "Paulina" }, { :name => "Jason", :street_address => "Evergreen" }
].to_xml(:skip_instruct => true, :skip_types => true, :indent => 0)
assert_equal "<records><record>", xml.first(17)
assert xml.include?(%(<street-address>Paulina</street-address>))
assert xml.include?(%(<name>David</name>))
assert xml.include?(%(<street-address>Evergreen</street-address>))
assert xml.include?(%(<name>Jason</name>))
end
def test_to_xml_with_dasherize_false
xml = [
{ :name => "David", :street_address => "Paulina" }, { :name => "Jason", :street_address => "Evergreen" }
].to_xml(:skip_instruct => true, :skip_types => true, :indent => 0, :dasherize => false)
assert_equal "<records><record>", xml.first(17)
assert xml.include?(%(<street_address>Paulina</street_address>))
assert xml.include?(%(<street_address>Evergreen</street_address>))
end
def test_to_xml_with_dasherize_true
xml = [
{ :name => "David", :street_address => "Paulina" }, { :name => "Jason", :street_address => "Evergreen" }
].to_xml(:skip_instruct => true, :skip_types => true, :indent => 0, :dasherize => true)
assert_equal "<records><record>", xml.first(17)
assert xml.include?(%(<street-address>Paulina</street-address>))
assert xml.include?(%(<street-address>Evergreen</street-address>))
end
def test_to_with_instruct
xml = [
{ :name => "David", :age => 26, :age_in_millis => 820497600000 },
{ :name => "Jason", :age => 31, :age_in_millis => BigDecimal.new('1.0') }
].to_xml(:skip_instruct => false, :indent => 0)
assert_match(/^<\?xml [^>]*/, xml)
assert_equal 0, xml.rindex(/<\?xml /)
end
def test_to_xml_with_block
xml = [
{ :name => "David", :age => 26, :age_in_millis => 820497600000 },
{ :name => "Jason", :age => 31, :age_in_millis => BigDecimal.new('1.0') }
].to_xml(:skip_instruct => true, :indent => 0) do |builder|
builder.count 2
end
assert xml.include?(%(<count>2</count>)), xml
end
def test_to_xml_with_empty
xml = [].to_xml
assert_match(/type="array"\/>/, xml)
end
end
class ArrayExtractOptionsTests < Test::Unit::TestCase
def test_extract_options
assert_equal({}, [].extract_options!)
assert_equal({}, [1].extract_options!)
assert_equal({:a=>:b}, [{:a=>:b}].extract_options!)
assert_equal({:a=>:b}, [1, {:a=>:b}].extract_options!)
end
end
class ArrayExtRandomTests < Test::Unit::TestCase
def test_random_element_from_array
assert_nil [].rand
Kernel.expects(:rand).with(1).returns(0)
assert_equal 'x', ['x'].rand
Kernel.expects(:rand).with(3).returns(1)
assert_equal 2, [1, 2, 3].rand
end
end
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