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https://github.com/rails/rails.git
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300 lines
10 KiB
Ruby
300 lines
10 KiB
Ruby
# encoding: utf-8
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require 'abstract_unit'
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require 'active_support/core_ext/string/inflections'
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require 'active_support/json'
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class TestJSONEncoding < ActiveSupport::TestCase
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class Foo
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def initialize(a, b)
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@a, @b = a, b
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end
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end
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class Hashlike
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def to_hash
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{ :a => 1 }
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end
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end
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class Custom
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def as_json(options)
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'custom'
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end
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end
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TrueTests = [[ true, %(true) ]]
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FalseTests = [[ false, %(false) ]]
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NilTests = [[ nil, %(null) ]]
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NumericTests = [[ 1, %(1) ],
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[ 2.5, %(2.5) ],
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[ 0.0/0.0, %(null) ],
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[ 1.0/0.0, %(null) ],
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[ -1.0/0.0, %(null) ],
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[ BigDecimal('0.0')/BigDecimal('0.0'), %(null) ],
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[ BigDecimal('2.5'), %("#{BigDecimal('2.5').to_s}") ]]
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StringTests = [[ 'this is the <string>', %("this is the \\u003Cstring\\u003E")],
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[ 'a "string" with quotes & an ampersand', %("a \\"string\\" with quotes \\u0026 an ampersand") ],
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[ 'http://test.host/posts/1', %("http://test.host/posts/1")],
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[ "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",
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%("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") ]]
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ArrayTests = [[ ['a', 'b', 'c'], %([\"a\",\"b\",\"c\"]) ],
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[ [1, 'a', :b, nil, false], %([1,\"a\",\"b\",null,false]) ]]
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RangeTests = [[ 1..2, %("1..2")],
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[ 1...2, %("1...2")],
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[ 1.5..2.5, %("1.5..2.5")]]
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SymbolTests = [[ :a, %("a") ],
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[ :this, %("this") ],
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[ :"a b", %("a b") ]]
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ObjectTests = [[ Foo.new(1, 2), %({\"a\":1,\"b\":2}) ]]
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HashlikeTests = [[ Hashlike.new, %({\"a\":1}) ]]
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CustomTests = [[ Custom.new, '"custom"' ]]
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VariableTests = [[ ActiveSupport::JSON::Variable.new('foo'), 'foo'],
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[ ActiveSupport::JSON::Variable.new('alert("foo")'), 'alert("foo")']]
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RegexpTests = [[ /^a/, '"(?-mix:^a)"' ], [/^\w{1,2}[a-z]+/ix, '"(?ix-m:^\\\\w{1,2}[a-z]+)"']]
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DateTests = [[ Date.new(2005,2,1), %("2005/02/01") ]]
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TimeTests = [[ Time.utc(2005,2,1,15,15,10), %("2005/02/01 15:15:10 +0000") ]]
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DateTimeTests = [[ DateTime.civil(2005,2,1,15,15,10), %("2005/02/01 15:15:10 +0000") ]]
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StandardDateTests = [[ Date.new(2005,2,1), %("2005-02-01") ]]
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StandardTimeTests = [[ Time.utc(2005,2,1,15,15,10), %("2005-02-01T15:15:10Z") ]]
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StandardDateTimeTests = [[ DateTime.civil(2005,2,1,15,15,10), %("2005-02-01T15:15:10+00:00") ]]
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StandardStringTests = [[ 'this is the <string>', %("this is the <string>")]]
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def sorted_json(json)
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return json unless json =~ /^\{.*\}$/
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'{' + json[1..-2].split(',').sort.join(',') + '}'
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end
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constants.grep(/Tests$/).each do |class_tests|
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define_method("test_#{class_tests[0..-6].underscore}") do
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begin
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ActiveSupport.escape_html_entities_in_json = class_tests !~ /^Standard/
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ActiveSupport.use_standard_json_time_format = class_tests =~ /^Standard/
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self.class.const_get(class_tests).each do |pair|
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assert_equal pair.last, sorted_json(ActiveSupport::JSON.encode(pair.first))
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end
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ensure
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ActiveSupport.escape_html_entities_in_json = false
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ActiveSupport.use_standard_json_time_format = false
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end
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end
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end
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def test_hash_encoding
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assert_equal %({\"a\":\"b\"}), ActiveSupport::JSON.encode(:a => :b)
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assert_equal %({\"a\":1}), ActiveSupport::JSON.encode('a' => 1)
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assert_equal %({\"a\":[1,2]}), ActiveSupport::JSON.encode('a' => [1,2])
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assert_equal %({"1":2}), ActiveSupport::JSON.encode(1 => 2)
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assert_equal %({\"a\":\"b\",\"c\":\"d\"}), sorted_json(ActiveSupport::JSON.encode(:a => :b, :c => :d))
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end
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def test_utf8_string_encoded_properly
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result = ActiveSupport::JSON.encode('€2.99')
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assert_equal '"\\u20ac2.99"', result
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assert_equal(Encoding::UTF_8, result.encoding)
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result = ActiveSupport::JSON.encode('✎☺')
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assert_equal '"\\u270e\\u263a"', result
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assert_equal(Encoding::UTF_8, result.encoding)
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end
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def test_non_utf8_string_transcodes
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s = '二'.encode('Shift_JIS')
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result = ActiveSupport::JSON.encode(s)
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assert_equal '"\\u4e8c"', result
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assert_equal Encoding::UTF_8, result.encoding
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end
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def test_exception_raised_when_encoding_circular_reference_in_array
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a = [1]
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a << a
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assert_raise(ActiveSupport::JSON::Encoding::CircularReferenceError) { ActiveSupport::JSON.encode(a) }
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end
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def test_exception_raised_when_encoding_circular_reference_in_hash
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a = { :name => 'foo' }
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a[:next] = a
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assert_raise(ActiveSupport::JSON::Encoding::CircularReferenceError) { ActiveSupport::JSON.encode(a) }
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end
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def test_exception_raised_when_encoding_circular_reference_in_hash_inside_array
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a = { :name => 'foo', :sub => [] }
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a[:sub] << a
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assert_raise(ActiveSupport::JSON::Encoding::CircularReferenceError) { ActiveSupport::JSON.encode(a) }
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end
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def test_hash_key_identifiers_are_always_quoted
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values = {0 => 0, 1 => 1, :_ => :_, "$" => "$", "a" => "a", :A => :A, :A0 => :A0, "A0B" => "A0B"}
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assert_equal %w( "$" "A" "A0" "A0B" "_" "a" "0" "1" ).sort, object_keys(ActiveSupport::JSON.encode(values))
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end
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def test_hash_should_allow_key_filtering_with_only
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assert_equal %({"a":1}), ActiveSupport::JSON.encode({'a' => 1, :b => 2, :c => 3}, :only => 'a')
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end
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def test_hash_should_allow_key_filtering_with_except
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assert_equal %({"b":2}), ActiveSupport::JSON.encode({'foo' => 'bar', :b => 2, :c => 3}, :except => ['foo', :c])
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end
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def test_time_to_json_includes_local_offset
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ActiveSupport.use_standard_json_time_format = true
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with_env_tz 'US/Eastern' do
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assert_equal %("2005-02-01T15:15:10-05:00"), ActiveSupport::JSON.encode(Time.local(2005,2,1,15,15,10))
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end
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ensure
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ActiveSupport.use_standard_json_time_format = false
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end
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def test_hash_with_time_to_json
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assert_equal '{"time":"2009/01/01 00:00:00 +0000"}', { :time => Time.utc(2009) }.to_json
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end
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def test_nested_hash_with_float
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assert_nothing_raised do
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hash = {
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"CHI" => {
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:dislay_name => "chicago",
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:latitude => 123.234
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}
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}
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ActiveSupport::JSON.encode(hash)
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end
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end
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def test_hash_should_pass_encoding_options_to_children_in_as_json
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person = {
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:name => 'John',
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:address => {
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:city => 'London',
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:country => 'UK'
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}
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}
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json = person.as_json :only => [:address, :city]
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assert_equal({ 'address' => { 'city' => 'London' }}, json)
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end
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def test_hash_should_pass_encoding_options_to_children_in_to_json
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person = {
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:name => 'John',
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:address => {
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:city => 'London',
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:country => 'UK'
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}
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}
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json = person.to_json :only => [:address, :city]
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assert_equal(%({"address":{"city":"London"}}), json)
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end
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def test_array_should_pass_encoding_options_to_children_in_as_json
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people = [
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{ :name => 'John', :address => { :city => 'London', :country => 'UK' }},
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{ :name => 'Jean', :address => { :city => 'Paris' , :country => 'France' }}
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]
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json = people.as_json :only => [:address, :city]
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expected = [
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{ 'address' => { 'city' => 'London' }},
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{ 'address' => { 'city' => 'Paris' }}
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]
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assert_equal(expected, json)
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end
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def test_array_should_pass_encoding_options_to_children_in_to_json
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people = [
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{ :name => 'John', :address => { :city => 'London', :country => 'UK' }},
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{ :name => 'Jean', :address => { :city => 'Paris' , :country => 'France' }}
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]
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json = people.to_json :only => [:address, :city]
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assert_equal(%([{"address":{"city":"London"}},{"address":{"city":"Paris"}}]), json)
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end
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def test_enumerable_should_pass_encoding_options_to_children_in_as_json
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people = [
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{ :name => 'John', :address => { :city => 'London', :country => 'UK' }},
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{ :name => 'Jean', :address => { :city => 'Paris' , :country => 'France' }}
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]
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json = people.each.as_json :only => [:address, :city]
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expected = [
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{ 'address' => { 'city' => 'London' }},
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{ 'address' => { 'city' => 'Paris' }}
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]
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assert_equal(expected, json)
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end
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def test_enumerable_should_pass_encoding_options_to_children_in_to_json
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people = [
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{ :name => 'John', :address => { :city => 'London', :country => 'UK' }},
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{ :name => 'Jean', :address => { :city => 'Paris' , :country => 'France' }}
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]
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json = people.each.to_json :only => [:address, :city]
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assert_equal(%([{"address":{"city":"London"}},{"address":{"city":"Paris"}}]), json)
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end
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def test_struct_encoding
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Struct.new('UserNameAndEmail', :name, :email)
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Struct.new('UserNameAndDate', :name, :date)
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Struct.new('Custom', :name, :sub)
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user_email = Struct::UserNameAndEmail.new 'David', 'sample@example.com'
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user_birthday = Struct::UserNameAndDate.new 'David', Date.new(2010, 01, 01)
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custom = Struct::Custom.new 'David', user_birthday
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json_strings = ""
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json_string_and_date = ""
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json_custom = ""
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assert_nothing_raised do
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json_strings = user_email.to_json
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json_string_and_date = user_birthday.to_json
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json_custom = custom.to_json
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end
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assert_equal({"name" => "David",
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"sub" => {
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"name" => "David",
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"date" => "2010/01/01" }}, JSON.parse(json_custom))
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assert_equal({"name" => "David", "email" => "sample@example.com"},
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JSON.parse(json_strings))
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assert_equal({"name" => "David", "date" => "2010/01/01"},
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JSON.parse(json_string_and_date))
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end
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def test_opt_out_big_decimal_string_serialization
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big_decimal = BigDecimal('2.5')
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begin
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ActiveSupport.encode_big_decimal_as_string = false
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assert_equal big_decimal.to_s, big_decimal.to_json
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ensure
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ActiveSupport.encode_big_decimal_as_string = true
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end
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end
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protected
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def object_keys(json_object)
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json_object[1..-2].scan(/([^{}:,\s]+):/).flatten.sort
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end
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def with_env_tz(new_tz = 'US/Eastern')
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old_tz, ENV['TZ'] = ENV['TZ'], new_tz
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yield
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ensure
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old_tz ? ENV['TZ'] = old_tz : ENV.delete('TZ')
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end
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end
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