2019-12-12 11:45:59 +13:00
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defmodule Ash.Test.Actions.SideLoadTest do
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2020-06-02 17:47:25 +12:00
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@moduledoc false
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2021-01-29 08:47:59 +13:00
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use ExUnit.Case, async: false
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2019-12-12 11:45:59 +13:00
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2021-04-19 11:41:49 +12:00
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import Ash.Changeset
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2020-10-08 18:22:55 +13:00
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require Ash.Query
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2019-12-12 11:45:59 +13:00
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defmodule Author do
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2020-06-02 17:47:25 +12:00
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@moduledoc false
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2020-06-22 15:26:47 +12:00
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use Ash.Resource,
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data_layer: Ash.DataLayer.Ets,
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authorizers: [
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Ash.Test.Authorizer
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]
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2020-06-14 18:39:11 +12:00
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ets do
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private?(true)
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end
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2019-12-12 11:45:59 +13:00
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actions do
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read :read
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create :create
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2019-12-12 11:45:59 +13:00
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end
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attributes do
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uuid_primary_key :id
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2019-12-12 11:45:59 +13:00
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attribute :name, :string
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end
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relationships do
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2020-06-22 16:34:44 +12:00
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has_many :posts, Ash.Test.Actions.SideLoadTest.Post, destination_field: :author_id
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2021-05-07 16:28:51 +12:00
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has_one :latest_post, Ash.Test.Actions.SideLoadTest.Post,
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destination_field: :author_id,
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sort: :inserted_at
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2019-12-12 11:45:59 +13:00
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end
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end
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defmodule Post do
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2020-06-02 17:47:25 +12:00
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@moduledoc false
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2020-06-14 18:39:11 +12:00
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use Ash.Resource, data_layer: Ash.DataLayer.Ets
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ets do
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private?(true)
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end
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2019-12-12 11:45:59 +13:00
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actions do
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2021-03-08 18:59:32 +13:00
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read :read
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create :create
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2019-12-12 11:45:59 +13:00
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end
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attributes do
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uuid_primary_key :id
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2019-12-12 11:45:59 +13:00
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attribute :title, :string
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attribute :contents, :string
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timestamps()
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2019-12-12 11:45:59 +13:00
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end
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relationships do
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belongs_to :author, Author
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2020-06-22 15:26:47 +12:00
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2020-08-30 19:15:16 +12:00
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many_to_many :categories, Ash.Test.Actions.SideLoadTest.Category,
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through: Ash.Test.Actions.SideLoadTest.PostCategory,
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destination_field_on_join_table: :category_id,
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source_field_on_join_table: :post_id
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end
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end
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defmodule PostCategory do
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@moduledoc false
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use Ash.Resource, data_layer: Ash.DataLayer.Ets
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ets do
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private?(true)
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end
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actions do
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read :read
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create :create
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2020-06-22 15:26:47 +12:00
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end
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relationships do
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belongs_to :post, Post, primary_key?: true, required?: true
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belongs_to :category, Ash.Test.Actions.SideLoadTest.Category,
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primary_key?: true,
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required?: true
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2020-06-22 15:26:47 +12:00
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end
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end
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defmodule Category do
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@moduledoc false
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2020-06-22 15:26:47 +12:00
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use Ash.Resource, data_layer: Ash.DataLayer.Ets
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ets do
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private?(true)
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end
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actions do
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read :read
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create :create
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2020-06-22 15:26:47 +12:00
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end
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attributes do
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uuid_primary_key :id
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2020-06-22 15:26:47 +12:00
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attribute :name, :string
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end
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relationships do
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many_to_many :posts, Post,
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through: PostCategory,
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destination_field_on_join_table: :post_id,
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source_field_on_join_table: :category_id
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2019-12-12 11:45:59 +13:00
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end
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end
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defmodule Api do
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@moduledoc false
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2019-12-12 11:45:59 +13:00
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use Ash.Api
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2020-06-14 18:39:11 +12:00
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resources do
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resource(Author)
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resource(Post)
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resource(Category)
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resource(PostCategory)
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2020-06-14 18:39:11 +12:00
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end
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end
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2020-06-22 15:26:47 +12:00
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setup do
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start_supervised(
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{Ash.Test.Authorizer,
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strict_check: :authorized,
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check: {:error, Ash.Error.Forbidden.exception([])},
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strict_check_context: [:query]}
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)
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2020-06-22 15:26:47 +12:00
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:ok
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end
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2019-12-12 11:45:59 +13:00
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describe "side_loads" do
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test "it allows sideloading related data" do
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author =
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Author
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|> new(%{name: "zerg"})
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|> Api.create!()
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2019-12-20 18:30:27 +13:00
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post1 =
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Post
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|> new(%{title: "post1"})
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|> replace_relationship(:author, author)
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|> Api.create!()
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post2 =
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Post
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|> new(%{title: "post2"})
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|> replace_relationship(:author, author)
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|> Api.create!()
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2020-05-14 03:54:44 +12:00
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[author] =
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Author
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2020-08-26 16:16:08 +12:00
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|> Ash.Query.load(posts: [:author])
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|> Ash.Query.filter(posts.id == ^post1.id)
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|> Api.read!(authorize?: true)
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2019-12-20 18:30:27 +13:00
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assert Enum.sort(Enum.map(author.posts, &Map.get(&1, :id))) ==
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Enum.sort([post1.id, post2.id])
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2019-12-20 17:19:34 +13:00
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2019-12-20 18:30:27 +13:00
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for post <- author.posts do
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assert post.author.id == author.id
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end
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end
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test "it allows sideloading many to many relationships" do
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category1 =
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Category
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|> new(%{name: "lame"})
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|> Api.create!()
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category2 =
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Category
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|> new(%{name: "cool"})
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|> Api.create!()
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post =
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Post
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|> new(%{title: "post1"})
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|> replace_relationship(:categories, [category1, category2])
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|> Api.create!()
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[post] =
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Post
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2020-08-26 16:16:08 +12:00
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|> Ash.Query.load(:categories)
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|> Ash.Query.filter(id == ^post.id)
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|> Api.read!(authorize?: true)
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assert [%{id: id1}, %{id: id2}] = post.categories
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assert Enum.sort([category1.id, category2.id]) == Enum.sort([id1, id2])
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end
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test "it allows sideloading nested many to many relationships" do
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category1 =
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Category
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|> new(%{name: "lame"})
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|> Api.create!()
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category2 =
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Category
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2020-07-15 17:38:42 +12:00
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|> new(%{name: "cool"})
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|> Api.create!()
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post =
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2020-07-12 18:25:53 +12:00
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Post
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2020-07-15 17:38:42 +12:00
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|> new(%{title: "post1"})
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|> replace_relationship(:categories, [category1, category2])
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|> Api.create!()
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[post] =
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Post
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2020-08-26 16:16:08 +12:00
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|> Ash.Query.load(categories: :posts)
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|> Ash.Query.filter(id == ^post.id)
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|> Api.read!(authorize?: true)
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post_id = post.id
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assert [%{posts: [%{id: ^post_id}]}, %{posts: [%{id: ^post_id}]}] = post.categories
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end
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2021-05-07 16:28:51 +12:00
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test "it loads sorted relationships in the proper order" do
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author =
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Author
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|> new(%{name: "zerg"})
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|> Api.create!()
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_post1 =
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Post
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|> new(%{title: "post1"})
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|> replace_relationship(:author, author)
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|> Api.create!()
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:timer.sleep(2)
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post2 =
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Post
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|> new(%{title: "post2"})
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|> replace_relationship(:author, author)
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|> Api.create!()
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[author] =
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Author
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|> Ash.Query.load(:latest_post)
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|> Api.read!()
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assert author.latest_post.id == post2.id
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end
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2019-12-12 11:45:59 +13:00
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end
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end
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