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|
# frozen_string_literal: true
require 'test_helper'
module ActiveModel
class Serializer
module Adapter
class JsonApi
class IncludeParamTest < ActiveSupport::TestCase
IncludeParamAuthor = Class.new(::Model) do
associations :tags, :posts, :roles
end
class CustomCommentLoader
def all
[{ foo: 'bar' }]
end
end
class Tag < ::Model
attributes :id, :name
end
class TagSerializer < ActiveModel::Serializer
type 'tags'
attributes :id, :name
end
class PostWithTagsSerializer < ActiveModel::Serializer
type 'posts'
attributes :id
has_many :tags
end
class IncludeParamAuthorSerializer < ActiveModel::Serializer
class_attribute :comment_loader
has_many :tags, serializer: TagSerializer do
link :self, '//example.com/link_author/relationships/tags'
include_data :if_sideloaded
end
has_many :unlinked_tags, serializer: TagSerializer do
include_data :if_sideloaded
end
has_many :posts, serializer: PostWithTagsSerializer do
include_data :if_sideloaded
end
has_many :locations do
include_data :if_sideloaded
end
has_many :comments do
include_data :if_sideloaded
IncludeParamAuthorSerializer.comment_loader.all
end
has_many :roles, key: :granted_roles do
include_data :if_sideloaded
end
end
def setup
IncludeParamAuthorSerializer.comment_loader = Class.new(CustomCommentLoader).new
@tag = Tag.new(id: 1337, name: 'mytag')
@role = Role.new(id: 1337, name: 'myrole')
@author = IncludeParamAuthor.new(
id: 1337,
tags: [@tag],
roles: [@role]
)
end
def test_relationship_not_loaded_when_not_included
expected = {
links: {
self: '//example.com/link_author/relationships/tags'
}
}
@author.define_singleton_method(:read_attribute_for_serialization) do |attr|
fail 'should not be called' if attr == :tags
super(attr)
end
assert_relationship(:tags, expected)
end
def test_relationship_included
expected = {
data: [
{
id: '1337',
type: 'tags'
}
],
links: {
self: '//example.com/link_author/relationships/tags'
}
}
assert_relationship(:tags, expected, include: :tags)
end
def test_sideloads_included
expected = [
{
id: '1337',
type: 'tags',
attributes: { name: 'mytag' }
}
]
hash = result(include: :tags)
assert_equal(expected, hash[:included])
end
def test_sideloads_included_when_using_key
expected = [
{
id: '1337',
type: 'roles',
attributes: {
name: 'myrole',
description: nil,
slug: 'myrole-1337'
},
relationships: {
author: { data: nil }
}
}
]
hash = result(include: :granted_roles)
assert_equal(expected, hash[:included])
end
def test_sideloads_not_included_when_using_name_when_key_defined
hash = result(include: :roles)
assert_nil(hash[:included])
end
def test_nested_relationship
expected = {
data: [
{
id: '1337',
type: 'tags'
}
],
links: {
self: '//example.com/link_author/relationships/tags'
}
}
expected_no_data = {
links: {
self: '//example.com/link_author/relationships/tags'
}
}
assert_relationship(:tags, expected, include: [:tags, { posts: :tags }])
@author.define_singleton_method(:read_attribute_for_serialization) do |attr|
fail 'should not be called' if attr == :tags
super(attr)
end
assert_relationship(:tags, expected_no_data, include: { posts: :tags })
end
def test_include_params_with_no_block
@author.define_singleton_method(:read_attribute_for_serialization) do |attr|
fail 'should not be called' if attr == :locations
super(attr)
end
expected = { meta: {} }
assert_relationship(:locations, expected)
end
def test_block_relationship
expected = {
data: [
{ 'foo' => 'bar' }
]
}
assert_relationship(:comments, expected, include: [:comments])
end
def test_node_not_included_when_no_link
expected = { meta: {} }
assert_relationship(:unlinked_tags, expected, key_transform: :unaltered)
end
private
def assert_relationship(relationship_name, expected, opts = {})
actual = relationship_data(relationship_name, opts)
assert_equal(expected, actual)
end
def result(opts)
opts = { adapter: :json_api }.merge(opts)
serializable(@author, opts).serializable_hash
end
def relationship_data(relationship_name, opts = {})
hash = result(opts)
hash[:data][:relationships][relationship_name]
end
end
end
end
end
end
|
