instiki/vendor/rails/activesupport/test/json/encoding_test.rb

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require File.dirname(__FILE__) + '/../abstract_unit'
class TestJSONEncoding < Test::Unit::TestCase
class Foo
def initialize(a, b)
@a, @b = a, b
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}) ]]
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") ]]
constants.grep(/Tests$/).each do |class_tests|
define_method("test_#{class_tests[0..-6].downcase}") do
self.class.const_get(class_tests).each do |pair|
assert_equal pair.last, pair.first.to_json
end
end
end
def test_hash_encoding
assert_equal %({\"a\": \"b\"}), { :a => :b }.to_json
assert_equal %({\"a\": 1}), { 'a' => 1 }.to_json
assert_equal %({\"a\": [1, 2]}), { 'a' => [1,2] }.to_json
assert_equal %({1: 2}), { 1 => 2 }.to_json
sorted_json = '{' + {:a => :b, :c => :d}.to_json[1..-2].split(', ').sort.join(', ') + '}'
assert_equal %({\"a\": \"b\", \"c\": \"d\"}), sorted_json
end
def test_utf8_string_encoded_properly_when_kcode_is_utf8
with_kcode 'UTF8' do
assert_equal '"\\u20ac2.99"', '€2.99'.to_json
assert_equal '"\\u270e\\u263a"', '✎☺'.to_json
end
end
def test_exception_raised_when_encoding_circular_reference
a = [1]
a << a
assert_raises(ActiveSupport::JSON::CircularReferenceError) { a.to_json }
end
def test_hash_key_identifiers_are_always_quoted
values = {0 => 0, 1 => 1, :_ => :_, "$" => "$", "a" => "a", :A => :A, :A0 => :A0, "A0B" => "A0B"}
assert_equal %w( "$" "A" "A0" "A0B" "_" "a" 0 1 ), object_keys(values.to_json)
end
def test_hash_should_allow_key_filtering_with_only
assert_equal %({"a": 1}), { 'a' => 1, :b => 2, :c => 3 }.to_json(:only => 'a')
end
def test_hash_should_allow_key_filtering_with_except
assert_equal %({"b": 2}), { 'foo' => 'bar', :b => 2, :c => 3 }.to_json(:except => ['foo', :c])
end
protected
def with_kcode(code)
if RUBY_VERSION < '1.9'
begin
old_kcode, $KCODE = $KCODE, 'UTF8'
yield
ensure
$KCODE = old_kcode
end
else
yield
end
end
def object_keys(json_object)
json_object[1..-2].scan(/([^{}:,\s]+):/).flatten.sort
end
end
uses_mocha 'JsonOptionsTests' do
class JsonOptionsTests < Test::Unit::TestCase
def test_enumerable_should_passthrough_options_to_elements
json_options = { :include => :posts }
ActiveSupport::JSON.expects(:encode).with(1, json_options)
ActiveSupport::JSON.expects(:encode).with(2, json_options)
ActiveSupport::JSON.expects(:encode).with('foo', json_options)
[1, 2, 'foo'].to_json(json_options)
end
end
end