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
@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
@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