Class TestJSONEncoding < Test::Unit::TestCase

# File activesupport/test/json/encoding_test.rb, line 70
def sorted_json(json)
  return json unless json =~ /^\{.*\}$/
  '{' + json[1..-2].split(',').sort.join(',') + '}'
end

# File activesupport/test/json/encoding_test.rb, line 216
def test_array_should_pass_encoding_options_to_children_in_as_json
  people = [
    { :name => 'John', :address => { :city => 'London', :country => 'UK' }},
    { :name => 'Jean', :address => { :city => 'Paris' , :country => 'France' }}
  ]
  json = people.as_json :only => [:address, :city]
  expected = [
    { 'address' => { 'city' => 'London' }},
    { 'address' => { 'city' => 'Paris' }}
  ]

  assert_equal(expected, json)
end

# File activesupport/test/json/encoding_test.rb, line 230
def test_array_should_pass_encoding_options_to_children_in_to_json
  people = [
    { :name => 'John', :address => { :city => 'London', :country => 'UK' }},
    { :name => 'Jean', :address => { :city => 'Paris' , :country => 'France' }}
  ]
  json = people.to_json :only => [:address, :city]

  assert_equal(%Q([{"address":{"city":"London"}},{"address":{"city":"Paris"}}]), json)
end

# File activesupport/test/json/encoding_test.rb, line 240
def test_enumerable_should_pass_encoding_options_to_children_in_as_json
  people = [
    { :name => 'John', :address => { :city => 'London', :country => 'UK' }},
    { :name => 'Jean', :address => { :city => 'Paris' , :country => 'France' }}
  ]
  json = people.each.as_json :only => [:address, :city]
  expected = [
    { 'address' => { 'city' => 'London' }},
    { 'address' => { 'city' => 'Paris' }}
  ]

  assert_equal(expected, json)
end

# File activesupport/test/json/encoding_test.rb, line 254
def test_enumerable_should_pass_encoding_options_to_children_in_to_json
  people = [
    { :name => 'John', :address => { :city => 'London', :country => 'UK' }},
    { :name => 'Jean', :address => { :city => 'Paris' , :country => 'France' }}
  ]
  json = people.each.to_json :only => [:address, :city]

  assert_equal(%Q([{"address":{"city":"London"}},{"address":{"city":"Paris"}}]), json)
end

# File activesupport/test/json/encoding_test.rb, line 134
def test_exception_raised_when_encoding_circular_reference_in_array
  a = [1]
  a << a
  assert_raise(ActiveSupport::JSON::Encoding::CircularReferenceError) { ActiveSupport::JSON.encode(a) }
end

# File activesupport/test/json/encoding_test.rb, line 140
def test_exception_raised_when_encoding_circular_reference_in_hash
  a = { :name => 'foo' }
  a[:next] = a
  assert_raise(ActiveSupport::JSON::Encoding::CircularReferenceError) { ActiveSupport::JSON.encode(a) }
end

# File activesupport/test/json/encoding_test.rb, line 146
def test_exception_raised_when_encoding_circular_reference_in_hash_inside_array
  a = { :name => 'foo', :sub => [] }
  a[:sub] << a
  assert_raise(ActiveSupport::JSON::Encoding::CircularReferenceError) { ActiveSupport::JSON.encode(a) }
end

# File activesupport/test/json/encoding_test.rb, line 90
def test_hash_encoding
  assert_equal %Q({\"a\":\"b\"}), ActiveSupport::JSON.encode(:a => :b)
  assert_equal %Q({\"a\":1}), ActiveSupport::JSON.encode('a' => 1)
  assert_equal %Q({\"a\":[1,2]}), ActiveSupport::JSON.encode('a' => [1,2])
  assert_equal %Q({"1":2}), ActiveSupport::JSON.encode(1 => 2)

  assert_equal %Q({\"a\":\"b\",\"c\":\"d\"}), sorted_json(ActiveSupport::JSON.encode(:a => :b, :c => :d))
end

# File activesupport/test/json/encoding_test.rb, line 152
def test_hash_key_identifiers_are_always_quoted
  values = {0 => 0, 1 => 1, :_ => :_, "$" => "$", "a" => "a", :A => :A, :A0 => :A0, "A0B" => "A0B"}
  assert_equal %w( "$" "A" "A0" "A0B" "_" "a" "0" "1" ).sort, object_keys(ActiveSupport::JSON.encode(values))
end

# File activesupport/test/json/encoding_test.rb, line 161
def test_hash_should_allow_key_filtering_with_except
  assert_equal %Q({"b":2}), ActiveSupport::JSON.encode({'foo' => 'bar', :b => 2, :c => 3}, :except => ['foo', :c])
end

# File activesupport/test/json/encoding_test.rb, line 157
def test_hash_should_allow_key_filtering_with_only
  assert_equal %Q({"a":1}), ActiveSupport::JSON.encode({'a' => 1, :b => 2, :c => 3}, :only => 'a')
end

# File activesupport/test/json/encoding_test.rb, line 190
def test_hash_should_pass_encoding_options_to_children_in_as_json
  person = {
    :name => 'John',
    :address => {
      :city => 'London',
      :country => 'UK'
    }
  }
  json = person.as_json :only => [:address, :city]

  assert_equal({ 'address' => { 'city' => 'London' }}, json)
end

# File activesupport/test/json/encoding_test.rb, line 203
def test_hash_should_pass_encoding_options_to_children_in_to_json
  person = {
    :name => 'John',
    :address => {
      :city => 'London',
      :country => 'UK'
    }
  }
  json = person.to_json :only => [:address, :city]

  assert_equal(%Q({"address":{"city":"London"}}), json)
end

# File activesupport/test/json/encoding_test.rb, line 174
def test_hash_with_time_to_json
  assert_equal '{"time":"2009/01/01 00:00:00 +0000"}', { :time => Time.utc(2009) }.to_json
end

# File activesupport/test/json/encoding_test.rb, line 178
def test_nested_hash_with_float
  assert_nothing_raised do
    hash = {
      "CHI" => {
        :dislay_name => "chicago",
        :latitude => 123.234
      }
    }
    ActiveSupport::JSON.encode(hash)
  end
end

# File activesupport/test/json/encoding_test.rb, line 305
def test_nil_true_and_false_represented_as_themselves
  assert_equal nil,   nil.as_json
  assert_equal true,  true.as_json
  assert_equal false, false.as_json
end

# File activesupport/test/json/encoding_test.rb, line 112
def test_non_utf8_string_transcodes
  s = '二'.encode('Shift_JIS')
  result = ActiveSupport::JSON.encode(s)
  assert_equal '"\u4e8c"', result
  assert_equal Encoding::UTF_8, result.encoding
end

# File activesupport/test/json/encoding_test.rb, line 274
def test_struct_encoding
  Struct.new('UserNameAndEmail', :name, :email)
  Struct.new('UserNameAndDate', :name, :date)
  Struct.new('Custom', :name, :sub)
  user_email = Struct::UserNameAndEmail.new 'David', 'sample@example.com'
  user_birthday = Struct::UserNameAndDate.new 'David', Date.new(2010, 01, 01)
  custom = Struct::Custom.new 'David', user_birthday


  json_strings = ""
  json_string_and_date = ""
  json_custom = ""

  assert_nothing_raised do
    json_strings = user_email.to_json
    json_string_and_date = user_birthday.to_json
    json_custom = custom.to_json
  end

  assert_equal({"name" => "David",
                "sub" => {
                  "name" => "David",
                  "date" => "2010/01/01" }}, JSON.parse(json_custom))

  assert_equal({"name" => "David", "email" => "sample@example.com"},
               JSON.parse(json_strings))

  assert_equal({"name" => "David", "date" => "2010/01/01"},
               JSON.parse(json_string_and_date))
end

# File activesupport/test/json/encoding_test.rb, line 165
def test_time_to_json_includes_local_offset
  ActiveSupport.use_standard_json_time_format = true
  with_env_tz 'US/Eastern' do
    assert_equal %Q("2005-02-01T15:15:10-05:00"), ActiveSupport::JSON.encode(Time.local(2005,2,1,15,15,10))
  end
ensure
  ActiveSupport.use_standard_json_time_format = false
end

# File activesupport/test/json/encoding_test.rb, line 264
def test_to_json_should_not_keep_options_around
  f = CustomWithOptions.new
  f.foo = "hello"
  f.bar = "world"

  hash = {"foo" => f, "other_hash" => {"foo" => "other_foo", "test" => "other_test"}}
  assert_equal({ "foo" => { "foo" => "hello", "bar" => "world" }, "other_hash" => { "foo" => "other_foo", "test" => "other_test"} },
               JSON.parse(hash.to_json))
end

# File activesupport/test/json/encoding_test.rb, line 119
def test_utf8_hash_key_does_not_change_the_encoding
  w = { '𠜎' => 'a' }
  result = ActiveSupport::JSON.encode(w)
  assert_equal '{"\u070e":"a"}', result

  if RUBY_VERSION >= '2.0'
    expected_encoding = Encoding::UTF_8
  else
    expected_encoding = Encoding::US_ASCII
  end

  assert_equal expected_encoding, result.encoding
end

# File activesupport/test/json/encoding_test.rb, line 99
def test_utf8_string_encoded_properly_when_kcode_is_utf8
  with_kcode 'UTF8' do
    result = ActiveSupport::JSON.encode('€2.99')
    assert_equal '"\u20ac2.99"', result
    assert_equal(Encoding::UTF_8, result.encoding) if result.respond_to?(:encoding)

    result = ActiveSupport::JSON.encode('✎☺')
    assert_equal '"\u270e\u263a"', result
    assert_equal(Encoding::UTF_8, result.encoding) if result.respond_to?(:encoding)
  end
end

# File activesupport/test/json/encoding_test.rb, line 313
def object_keys(json_object)
  json_object[1..-2].scan(/([^{}:,\s]+):/).flatten.sort
end

# File activesupport/test/json/encoding_test.rb, line 317
def with_env_tz(new_tz = 'US/Eastern')
  old_tz, ENV['TZ'] = ENV['TZ'], new_tz
  yield
ensure
  old_tz ? ENV['TZ'] = old_tz : ENV.delete('TZ')
end