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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
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 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
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