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rails--rails/activesupport/test/json/encoding_test.rb
Jeremy Kemper 49824e8ad6 JSON.escape returns UTF-8 strings
[#2849 state:resolved]
2009-07-01 16:22:19 -07:00

149 lines
5.4 KiB
Ruby

# 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 Custom
def as_json(options)
'custom'
end
end
TrueTests = [[ true, %(true) ]]
FalseTests = [[ false, %(false) ]]
NilTests = [[ nil, %(null) ]]
NumericTests = [[ 1, %(1) ],
[ 2.5, %(2.5) ]]
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")]]
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}) ]]
CustomTests = [[ Custom.new, '"custom"' ]]
VariableTests = [[ ActiveSupport::JSON::Variable.new('foo'), 'foo'],
[ ActiveSupport::JSON::Variable.new('alert("foo")'), 'alert("foo")']]
RegexpTests = [[ /^a/, '/^a/' ], [/^\w{1,2}[a-z]+/ix, '/^\\w{1,2}[a-z]+/ix']]
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>")]]
constants.grep(/Tests$/).each do |class_tests|
define_method("test_#{class_tests[0..-6].underscore}") do
begin
ActiveSupport.escape_html_entities_in_json = class_tests !~ /^Standard/
ActiveSupport.use_standard_json_time_format = class_tests =~ /^Standard/
self.class.const_get(class_tests).each do |pair|
assert_equal pair.last, ActiveSupport::JSON.encode(pair.first)
end
ensure
ActiveSupport.escape_html_entities_in_json = false
ActiveSupport.use_standard_json_time_format = false
end
end
end
def test_hash_encoding
assert_equal %({\"a\":\"b\"}), ActiveSupport::JSON.encode(:a => :b)
assert_equal %({\"a\":1}), ActiveSupport::JSON.encode('a' => 1)
assert_equal %({\"a\":[1,2]}), ActiveSupport::JSON.encode('a' => [1,2])
assert_equal %({"1":2}), ActiveSupport::JSON.encode(1 => 2)
sorted_json = '{' + ActiveSupport::JSON.encode(:a => :b, :c => :d)[1..-2].split(',').sort.join(',') + '}'
assert_equal %({\"a\":\"b\",\"c\":\"d\"}), sorted_json
end
def test_utf8_string_encoded_properly_when_kcode_is_utf8
with_kcode 'UTF8' do
result = ActiveSupport::JSON.encode('€2.99')
assert_equal '"\\u20ac2.99"', result
assert_equal(Encoding::UTF_8, result.encoding) if result.respond_to?(:encoding)
result = ActiveSupport::JSON.encode('✎☺')
assert_equal '"\\u270e\\u263a"', result
assert_equal(Encoding::UTF_8, result.encoding) if result.respond_to?(:encoding)
end
end
def test_exception_raised_when_encoding_circular_reference
a = [1]
a << a
assert_raise(ActiveSupport::JSON::Encoding::CircularReferenceError) { ActiveSupport::JSON.encode(a) }
end
def test_hash_key_identifiers_are_always_quoted
values = {0 => 0, 1 => 1, :_ => :_, "$" => "$", "a" => "a", :A => :A, :A0 => :A0, "A0B" => "A0B"}
assert_equal %w( "$" "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_nested_hash_with_float
assert_nothing_raised do
hash = {
"CHI" => {
:dislay_name => "chicago",
:latitude => 123.234
}
}
result = ActiveSupport::JSON.encode(hash)
end
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