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# encoding: utf-8
require 'abstract_unit'
require 'active_support/json'
class TestJSONEncoding < Test::Unit::TestCase
class Foo
def initialize(a, b)
@a, @b = a, b
end
end
class Hashlike
def to_hash
{ :a => 1 }
end
end
class Custom
def as_json(options)
'custom'
end
end
TrueTests = [[ true, %(true) ]]
FalseTests = [[ false, %(false) ]]
NilTests = [[ nil, %(null) ]]
NumericTests = [[ 1, %(1) ],
[ 2.5, %(2.5) ],
[ BigDecimal('2.5'), %("#{BigDecimal('2.5').to_s}") ]]
StringTests = [[ 'this is the <string>', %("this is the \\u003Cstring\\u003E")],
[ 'a "string" with quotes & an ampersand', %("a \\"string\\" with quotes \\u0026 an ampersand") ],
[ 'http://test.host/posts/1', %("http://test.host/posts/1")],
[ "Control characters: \x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f",
%("Control characters: \\u0000\\u0001\\u0002\\u0003\\u0004\\u0005\\u0006\\u0007\\b\\t\\n\\u000B\\f\\r\\u000E\\u000F\\u0010\\u0011\\u0012\\u0013\\u0014\\u0015\\u0016\\u0017\\u0018\\u0019\\u001A\\u001B\\u001C\\u001D\\u001E\\u001F") ]]
ArrayTests = [[ ['a', 'b', 'c'], %([\"a\",\"b\",\"c\"]) ],
[ [1, 'a', :b, nil, false], %([1,\"a\",\"b\",null,false]) ]]
SymbolTests = [[ :a, %("a") ],
[ :this, %("this") ],
[ :"a b", %("a b") ]]
ObjectTests = [[ Foo.new(1, 2), %({\"a\":1,\"b\":2}) ]]
HashlikeTests = [[ Hashlike.new, %({\"a\":1}) ]]
CustomTests = [[ Custom.new, '"custom"' ]]
VariableTests = [[ ActiveSupport::JSON::Variable.new('foo'), 'foo'],
[ ActiveSupport::JSON::Variable.new('alert("foo")'), 'alert("foo")']]
RegexpTests = [[ /^a/, '"(?-mix:^a)"' ], [/^\w{1,2}[a-z]+/ix, '"(?ix-m:^\\\\w{1,2}[a-z]+)"']]
DateTests = [[ Date.new(2005,2,1), %("2005/02/01") ]]
TimeTests = [[ Time.utc(2005,2,1,15,15,10), %("2005/02/01 15:15:10 +0000") ]]
DateTimeTests = [[ DateTime.civil(2005,2,1,15,15,10), %("2005/02/01 15:15:10 +0000") ]]
StandardDateTests = [[ Date.new(2005,2,1), %("2005-02-01") ]]
StandardTimeTests = [[ Time.utc(2005,2,1,15,15,10), %("2005-02-01T15:15:10Z") ]]
StandardDateTimeTests = [[ DateTime.civil(2005,2,1,15,15,10), %("2005-02-01T15:15:10+00:00") ]]
StandardStringTests = [[ 'this is the <string>', %("this is the <string>")]]
def sorted_json(json)
return json unless json =~ /^\{.*\}$/
'{' + json[1..-2].split(',').sort.join(',') + '}'
end
constants.grep(/Tests$/).each do |class_tests|
define_method("test_#{class_tests[0..-6].underscore}") do
begin
ActiveSupport.escape_html_entities_in_json = class_tests !~ /^Standard/
ActiveSupport.use_standard_json_time_format = class_tests =~ /^Standard/
self.class.const_get(class_tests).each do |pair|
assert_equal pair.last, sorted_json(ActiveSupport::JSON.encode(pair.first))
end
ensure
ActiveSupport.escape_html_entities_in_json = false
ActiveSupport.use_standard_json_time_format = false
end
end
end
def test_hash_encoding
assert_equal %({\"a\":\"b\"}), ActiveSupport::JSON.encode(:a => :b)
assert_equal %({\"a\":1}), ActiveSupport::JSON.encode('a' => 1)
assert_equal %({\"a\":[1,2]}), ActiveSupport::JSON.encode('a' => [1,2])
assert_equal %({"1":2}), ActiveSupport::JSON.encode(1 => 2)
assert_equal %({\"a\":\"b\",\"c\":\"d\"}), sorted_json(ActiveSupport::JSON.encode(:a => :b, :c => :d))
end
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
if '1.9'.respond_to?(:force_encoding)
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
end
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
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
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
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
def test_hash_should_allow_key_filtering_with_only
assert_equal %({"a":1}), ActiveSupport::JSON.encode({'a' => 1, :b => 2, :c => 3}, :only => 'a')
end
def test_hash_should_allow_key_filtering_with_except
assert_equal %({"b":2}), ActiveSupport::JSON.encode({'foo' => 'bar', :b => 2, :c => 3}, :except => ['foo', :c])
end
def test_time_to_json_includes_local_offset
ActiveSupport.use_standard_json_time_format = true
with_env_tz 'US/Eastern' do
assert_equal %("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
def test_hash_with_time_to_json
assert_equal '{"time":"2009/01/01 00:00:00 +0000"}', { :time => Time.utc(2009) }.to_json
end
def test_nested_hash_with_float
assert_nothing_raised do
hash = {
"CHI" => {
:dislay_name => "chicago",
:latitude => 123.234
}
}
ActiveSupport::JSON.encode(hash)
end
end
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
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(%({"address":{"city":"London"}}), json)
end
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
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(%([{"address":{"city":"London"}},{"address":{"city":"Paris"}}]), json)
end
protected
def object_keys(json_object)
json_object[1..-2].scan(/([^{}:,\s]+):/).flatten.sort
end
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
end
class JsonOptionsTests < Test::Unit::TestCase
def test_enumerable_should_passthrough_options_to_elements
value, options = Object.new, Object.new
def value.as_json(options) options end
def options.encode_json(encoder) self end
assert_equal options, ActiveSupport::JSON.encode(value, options)
end
end
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