rails--rails/activesupport/test/json/decoding_test.rb

require File.dirname(__FILE__) + '/../abstract_unit'

class TestJSONDecoding < Test::Unit::TestCase
  TESTS = {
    %({"returnTo":{"/categories":"/"}})        => {"returnTo" => {"/categories" => "/"}},
    %({returnTo:{"/categories":"/"}})          => {"returnTo" => {"/categories" => "/"}},
    %({"return\\"To\\":":{"/categories":"/"}}) => {"return\"To\":" => {"/categories" => "/"}},
    %({"returnTo":{"/categories":1}})          => {"returnTo" => {"/categories" => 1}},
    %({"returnTo":[1,"a"]})                    => {"returnTo" => [1, "a"]},
    %({"returnTo":[1,"\\"a\\",", "b"]})        => {"returnTo" => [1, "\"a\",", "b"]},
    %({a: "'", "b": "5,000"})                  => {"a" => "'", "b" => "5,000"},
    %({a: "a's, b's and c's", "b": "5,000"})   => {"a" => "a's, b's and c's", "b" => "5,000"},
    %({a: "2007-01-01"})                       => {'a' => Date.new(2007, 1, 1)}, 
    %({a: "2007-01-01 01:12:34 Z"})            => {'a' => Time.utc(2007, 1, 1, 1, 12, 34)}, 
    # no time zone
    %({a: "2007-01-01 01:12:34"})              => {'a' => "2007-01-01 01:12:34"}, 
    # needs to be *exact*
    %({a: " 2007-01-01 01:12:34 Z "})          => {'a' => " 2007-01-01 01:12:34 Z "}, 
    %([])    => [],
    %({})    => {},
    %(1)     => 1,
    %("")    => "",
    %("\\"") => "\"",
    %(null)  => nil,
    %(true)  => true,
    %(false) => false
  }
  
  def test_json_decoding
    TESTS.each do |json, expected|
      assert_nothing_raised do
        assert_equal expected, ActiveSupport::JSON.decode(json)
      end
    end
  end
  
  def test_failed_json_decoding
    assert_raises(ActiveSupport::JSON::ParseError) { ActiveSupport::JSON.decode(%({: 1})) }
  end
end