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Missing test

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@7674 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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1 parent 9660360 commit 191a0484f03c02a2355208ebaba69cdec11df4ba @dhh dhh committed Sep 28, 2007
Showing with 148 additions and 0 deletions.
  1. +148 −0 activerecord/test/json_serialization_test.rb
@@ -0,0 +1,148 @@
+require 'abstract_unit'
+require 'fixtures/contact'
+require 'fixtures/post'
+require 'fixtures/author'
+require 'fixtures/tagging'
+require 'fixtures/tag'
+require 'fixtures/comment'
+
+class JsonSerializationTest < Test::Unit::TestCase
+ def setup
+ # Quote all keys (so that we can test against strictly valid JSON).
+ ActiveSupport::JSON.unquote_hash_key_identifiers = false
+
+ @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_encode_all_encodable_attributes
+ json = @contact.to_json
+
+ assert_match %r{"name": "Konata Izumi"}, json
+ assert_match %r{"age": 16}, json
+ assert_match %r{"created_at": #{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))}}, json
+ 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_no_match %r{"created_at": #{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))}}, json
+ 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_match %r{"created_at": #{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))}}, json
+ 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 < Test::Unit::TestCase
+ fixtures :authors, :posts, :comments, :tags, :taggings
+
+ def setup
+ ActiveSupport::JSON.unquote_hash_key_identifiers = false
+
+ @david = authors(:david)
+ 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
+end

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