JezK
Edit File: json_serialization_test.rb
require "cases/helper" require 'models/contact' require 'models/post' require 'models/author' require 'models/tagging' require 'models/tag' require 'models/comment' class JsonSerializationTest < ActiveRecord::TestCase class NamespacedContact < Contact column :name, :string end def setup @contact = Contact.new( :name => 'Konata Izumi', :age => 16, :avatar => 'binarydata', :created_at => Time.utc(2006, 8, 1), :awesome => true, :preferences => { :shows => 'anime' } ) end def test_should_demodulize_root_in_json NamespacedContact.include_root_in_json = true @contact = NamespacedContact.new :name => 'whatever' json = @contact.to_json assert_match %r{^\{"namespaced_contact": \{}, json end def test_should_include_root_in_json Contact.include_root_in_json = true json = @contact.to_json assert_match %r{^\{"contact": \{}, json assert_match %r{"name": "Konata Izumi"}, json assert_match %r{"age": 16}, json assert json.include?(%("created_at": #{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))})) assert_match %r{"awesome": true}, json assert_match %r{"preferences": \{"shows": "anime"\}}, json ensure Contact.include_root_in_json = false end def test_should_encode_all_encodable_attributes json = @contact.to_json assert_match %r{"name": "Konata Izumi"}, json assert_match %r{"age": 16}, json assert json.include?(%("created_at": #{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))})) assert_match %r{"awesome": true}, json assert_match %r{"preferences": \{"shows": "anime"\}}, json end def test_should_allow_attribute_filtering_with_only json = @contact.to_json(:only => [:name, :age]) assert_match %r{"name": "Konata Izumi"}, json assert_match %r{"age": 16}, json assert_no_match %r{"awesome": true}, json assert !json.include?(%("created_at": #{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))})) assert_no_match %r{"preferences": \{"shows": "anime"\}}, json end def test_should_allow_attribute_filtering_with_except json = @contact.to_json(:except => [:name, :age]) assert_no_match %r{"name": "Konata Izumi"}, json assert_no_match %r{"age": 16}, json assert_match %r{"awesome": true}, json assert json.include?(%("created_at": #{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))})) assert_match %r{"preferences": \{"shows": "anime"\}}, json end def test_methods_are_called_on_object # Define methods on fixture. def @contact.label; "Has cheezburger"; end def @contact.favorite_quote; "Constraints are liberating"; end # Single method. assert_match %r{"label": "Has cheezburger"}, @contact.to_json(:only => :name, :methods => :label) # Both methods. methods_json = @contact.to_json(:only => :name, :methods => [:label, :favorite_quote]) assert_match %r{"label": "Has cheezburger"}, methods_json assert_match %r{"favorite_quote": "Constraints are liberating"}, methods_json end end class DatabaseConnectedJsonEncodingTest < ActiveRecord::TestCase fixtures :authors, :posts, :comments, :tags, :taggings def setup @david = authors(:david) @mary = authors(:mary) end def test_includes_uses_association_name json = @david.to_json(:include => :posts) assert_match %r{"posts": \[}, json assert_match %r{"id": 1}, json assert_match %r{"name": "David"}, json assert_match %r{"author_id": 1}, json assert_match %r{"title": "Welcome to the weblog"}, json assert_match %r{"body": "Such a lovely day"}, json assert_match %r{"title": "So I was thinking"}, json assert_match %r{"body": "Like I hopefully always am"}, json end def test_includes_uses_association_name_and_applies_attribute_filters json = @david.to_json(:include => { :posts => { :only => :title } }) assert_match %r{"name": "David"}, json assert_match %r{"posts": \[}, json assert_match %r{"title": "Welcome to the weblog"}, json assert_no_match %r{"body": "Such a lovely day"}, json assert_match %r{"title": "So I was thinking"}, json assert_no_match %r{"body": "Like I hopefully always am"}, json end def test_includes_fetches_second_level_associations json = @david.to_json(:include => { :posts => { :include => { :comments => { :only => :body } } } }) assert_match %r{"name": "David"}, json assert_match %r{"posts": \[}, json assert_match %r{"comments": \[}, json assert_match %r{\{"body": "Thank you again for the welcome"\}}, json assert_match %r{\{"body": "Don't think too hard"\}}, json assert_no_match %r{"post_id": }, json end def test_includes_fetches_nth_level_associations json = @david.to_json( :include => { :posts => { :include => { :taggings => { :include => { :tag => { :only => :name } } } } } }) assert_match %r{"name": "David"}, json assert_match %r{"posts": \[}, json assert_match %r{"taggings": \[}, json assert_match %r{"tag": \{"name": "General"\}}, json end def test_should_not_call_methods_on_associations_that_dont_respond def @david.favorite_quote; "Constraints are liberating"; end json = @david.to_json(:include => :posts, :methods => :favorite_quote) assert !@david.posts.first.respond_to?(:favorite_quote) assert_match %r{"favorite_quote": "Constraints are liberating"}, json assert_equal %r{"favorite_quote": }.match(json).size, 1 end def test_should_allow_only_option_for_list_of_authors authors = [@david, @mary] assert_equal %([{"name": "David"}, {"name": "Mary"}]), authors.to_json(:only => :name) end def test_should_allow_except_option_for_list_of_authors authors = [@david, @mary] assert_equal %([{"id": 1}, {"id": 2}]), authors.to_json(:except => [:name, :author_address_id, :author_address_extra_id]) end def test_should_allow_includes_for_list_of_authors authors = [@david, @mary] json = authors.to_json( :only => :name, :include => { :posts => { :only => :id } } ) ['"name": "David"', '"posts": [', '{"id": 1}', '{"id": 2}', '{"id": 4}', '{"id": 5}', '{"id": 6}', '"name": "Mary"', '"posts": [{"id": 7}]'].each do |fragment| assert json.include?(fragment), json end end def test_should_allow_options_for_hash_of_authors authors_hash = { 1 => @david, 2 => @mary } assert_equal %({1: {"name": "David"}}), authors_hash.to_json(:only => [1, :name]) end end