311 lines
9.4 KiB
Ruby
311 lines
9.4 KiB
Ruby
# frozen_string_literal: true
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require "cases/helper"
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require "models/contact"
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require "models/post"
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require "models/author"
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require "models/tagging"
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require "models/tag"
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require "models/comment"
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module JsonSerializationHelpers
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private
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def set_include_root_in_json(value)
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original_root_in_json = ActiveRecord::Base.include_root_in_json
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ActiveRecord::Base.include_root_in_json = value
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yield
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ensure
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ActiveRecord::Base.include_root_in_json = original_root_in_json
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end
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end
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class JsonSerializationTest < ActiveRecord::TestCase
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include JsonSerializationHelpers
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class NamespacedContact < Contact
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column :name, "string"
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end
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def setup
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@contact = Contact.new(
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name: "Konata Izumi",
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age: 16,
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avatar: "binarydata",
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created_at: Time.utc(2006, 8, 1),
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awesome: true,
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preferences: { shows: "anime" }
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)
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end
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def test_should_demodulize_root_in_json
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set_include_root_in_json(true) do
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@contact = NamespacedContact.new name: "whatever"
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json = @contact.to_json
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assert_match %r{^\{"namespaced_contact":\{}, json
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end
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end
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def test_should_include_root_in_json
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set_include_root_in_json(true) do
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json = @contact.to_json
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assert_match %r{^\{"contact":\{}, json
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assert_match %r{"name":"Konata Izumi"}, json
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assert_match %r{"age":16}, json
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assert_includes json, %("created_at":#{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))})
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assert_match %r{"awesome":true}, json
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assert_match %r{"preferences":\{"shows":"anime"\}}, json
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end
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end
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def test_should_encode_all_encodable_attributes
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json = @contact.to_json
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assert_match %r{"name":"Konata Izumi"}, json
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assert_match %r{"age":16}, json
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assert_includes json, %("created_at":#{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))})
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assert_match %r{"awesome":true}, json
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assert_match %r{"preferences":\{"shows":"anime"\}}, json
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end
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def test_should_allow_attribute_filtering_with_only
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json = @contact.to_json(only: [:name, :age])
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assert_match %r{"name":"Konata Izumi"}, json
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assert_match %r{"age":16}, json
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assert_no_match %r{"awesome":true}, json
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assert_not_includes json, %("created_at":#{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))})
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assert_no_match %r{"preferences":\{"shows":"anime"\}}, json
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end
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def test_should_allow_attribute_filtering_with_except
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json = @contact.to_json(except: [:name, :age])
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assert_no_match %r{"name":"Konata Izumi"}, json
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assert_no_match %r{"age":16}, json
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assert_match %r{"awesome":true}, json
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assert_includes json, %("created_at":#{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))})
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assert_match %r{"preferences":\{"shows":"anime"\}}, json
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end
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def test_methods_are_called_on_object
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# Define methods on fixture.
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def @contact.label; "Has cheezburger"; end
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def @contact.favorite_quote; "Constraints are liberating"; end
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# Single method.
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assert_match %r{"label":"Has cheezburger"}, @contact.to_json(only: :name, methods: :label)
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# Both methods.
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methods_json = @contact.to_json(only: :name, methods: [:label, :favorite_quote])
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assert_match %r{"label":"Has cheezburger"}, methods_json
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assert_match %r{"favorite_quote":"Constraints are liberating"}, methods_json
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end
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def test_uses_serializable_hash_with_frozen_hash
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def @contact.serializable_hash(options = nil)
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super({ only: %w(name) }.freeze)
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end
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json = @contact.to_json
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assert_match %r{"name":"Konata Izumi"}, json
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assert_no_match %r{awesome}, json
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assert_no_match %r{age}, json
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end
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def test_uses_serializable_hash_with_only_option
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def @contact.serializable_hash(options = nil)
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super(only: %w(name))
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end
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json = @contact.to_json
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assert_match %r{"name":"Konata Izumi"}, json
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assert_no_match %r{awesome}, json
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assert_no_match %r{age}, json
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end
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def test_uses_serializable_hash_with_except_option
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def @contact.serializable_hash(options = nil)
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super(except: %w(age))
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end
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json = @contact.to_json
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assert_match %r{"name":"Konata Izumi"}, json
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assert_match %r{"awesome":true}, json
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assert_no_match %r{age}, json
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end
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def test_does_not_include_inheritance_column_from_sti
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@contact = ContactSti.new(@contact.attributes)
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assert_equal "ContactSti", @contact.type
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json = @contact.to_json
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assert_match %r{"name":"Konata Izumi"}, json
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assert_no_match %r{type}, json
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assert_no_match %r{ContactSti}, json
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end
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def test_serializable_hash_with_default_except_option_and_excluding_inheritance_column_from_sti
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@contact = ContactSti.new(@contact.attributes)
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assert_equal "ContactSti", @contact.type
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def @contact.serializable_hash(options = {})
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super({ except: %w(age) }.merge!(options))
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end
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json = @contact.to_json
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assert_match %r{"name":"Konata Izumi"}, json
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assert_no_match %r{age}, json
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assert_no_match %r{type}, json
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assert_no_match %r{ContactSti}, json
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end
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def test_serializable_hash_should_not_modify_options_in_argument
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options = { only: :name }.freeze
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assert_nothing_raised { @contact.serializable_hash(options) }
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end
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end
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class DatabaseConnectedJsonEncodingTest < ActiveRecord::TestCase
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fixtures :authors, :author_addresses, :posts, :comments, :tags, :taggings
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include JsonSerializationHelpers
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def setup
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@david = authors(:david)
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@mary = authors(:mary)
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end
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def test_includes_uses_association_name
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json = @david.to_json(include: :posts)
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assert_match %r{"posts":\[}, json
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assert_match %r{"id":1}, json
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assert_match %r{"name":"David"}, json
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assert_match %r{"author_id":1}, json
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assert_match %r{"title":"Welcome to the weblog"}, json
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assert_match %r{"body":"Such a lovely day"}, json
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assert_match %r{"title":"So I was thinking"}, json
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assert_match %r{"body":"Like I hopefully always am"}, json
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end
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def test_includes_uses_association_name_and_applies_attribute_filters
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json = @david.to_json(include: { posts: { only: :title } })
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assert_match %r{"name":"David"}, json
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assert_match %r{"posts":\[}, json
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assert_match %r{"title":"Welcome to the weblog"}, json
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assert_no_match %r{"body":"Such a lovely day"}, json
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assert_match %r{"title":"So I was thinking"}, json
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assert_no_match %r{"body":"Like I hopefully always am"}, json
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end
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def test_includes_fetches_second_level_associations
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json = @david.to_json(include: { posts: { include: { comments: { only: :body } } } })
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assert_match %r{"name":"David"}, json
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assert_match %r{"posts":\[}, json
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assert_match %r{"comments":\[}, json
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assert_match %r{\{"body":"Thank you again for the welcome"\}}, json
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assert_match %r{\{"body":"Don't think too hard"\}}, json
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assert_no_match %r{"post_id":}, json
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end
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def test_includes_fetches_nth_level_associations
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json = @david.to_json(
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include: {
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posts: {
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include: {
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taggings: {
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include: {
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tag: { only: :name }
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}
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}
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}
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}
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})
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assert_match %r{"name":"David"}, json
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assert_match %r{"posts":\[}, json
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assert_match %r{"taggings":\[}, json
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assert_match %r{"tag":\{"name":"General"\}}, json
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end
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def test_includes_doesnt_merge_opts_from_base
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json = @david.to_json(
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only: :id,
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include: :posts
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)
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assert_match %{"title":"Welcome to the weblog"}, json
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end
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def test_should_not_call_methods_on_associations_that_dont_respond
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def @david.favorite_quote; "Constraints are liberating"; end
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json = @david.to_json(include: :posts, methods: :favorite_quote)
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assert_not_respond_to @david.posts.first, :favorite_quote
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assert_match %r{"favorite_quote":"Constraints are liberating"}, json
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assert_equal 1, %r{"favorite_quote":}.match(json).size
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end
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def test_should_allow_only_option_for_list_of_authors
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set_include_root_in_json(false) do
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authors = [@david, @mary]
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assert_equal %([{"name":"David"},{"name":"Mary"}]), ActiveSupport::JSON.encode(authors, only: :name)
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end
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end
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def test_should_allow_except_option_for_list_of_authors
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set_include_root_in_json(false) do
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authors = [@david, @mary]
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encoded = ActiveSupport::JSON.encode(authors, except: [
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:name, :author_address_id, :author_address_extra_id,
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:organization_id, :owned_essay_id
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])
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assert_equal %([{"id":1},{"id":2}]), encoded
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end
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end
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def test_should_allow_includes_for_list_of_authors
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authors = [@david, @mary]
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json = ActiveSupport::JSON.encode(authors,
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only: :name,
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include: {
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posts: { only: :id }
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}
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)
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['"name":"David"', '"posts":[', '{"id":1}', '{"id":2}', '{"id":4}',
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'{"id":5}', '{"id":6}', '"name":"Mary"', '"posts":[', '{"id":7}', '{"id":9}'].each do |fragment|
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assert_includes json, fragment, json
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end
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end
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def test_should_allow_options_for_hash_of_authors
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set_include_root_in_json(true) do
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authors_hash = {
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1 => @david,
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2 => @mary
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}
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assert_equal %({"1":{"author":{"name":"David"}}}), ActiveSupport::JSON.encode(authors_hash, only: [1, :name])
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end
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end
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def test_should_be_able_to_encode_relation
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set_include_root_in_json(true) do
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authors_relation = Author.where(id: [@david.id, @mary.id]).order(:id)
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json = ActiveSupport::JSON.encode authors_relation, only: :name
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assert_equal '[{"author":{"name":"David"}},{"author":{"name":"Mary"}}]', json
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end
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end
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end
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