2022-03-20 18:08:39 +13:00
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defmodule Ash.Test.Actions.AsyncLoadTest do
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@moduledoc false
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use ExUnit.Case, async: false
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import ExUnit.CaptureLog
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require Ash.Query
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alias Ash.Test.Domain, as: Domain
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defmodule Author do
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@moduledoc false
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use Ash.Resource,
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domain: Domain,
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data_layer: Ash.DataLayer.Mnesia,
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authorizers: [
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Ash.Test.Authorizer
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]
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actions do
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default_accept :*
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defaults [:read, create: :*]
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end
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attributes do
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uuid_primary_key :id
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attribute :name, :string do
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public?(true)
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end
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end
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relationships do
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has_many :posts, Ash.Test.Actions.AsyncLoadTest.Post,
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destination_attribute: :author_id,
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public?: true
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has_many :authorized_actor_posts, Ash.Test.Actions.AsyncLoadTest.Post,
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destination_attribute: :author_id,
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read_action: :authorized_actor,
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public?: true
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has_many :authorized_context_posts, Ash.Test.Actions.AsyncLoadTest.Post,
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destination_attribute: :author_id,
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read_action: :authorized_context,
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public?: true
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has_one :latest_post, Ash.Test.Actions.AsyncLoadTest.Post,
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destination_attribute: :author_id,
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sort: [inserted_at: :desc],
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public?: true
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end
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end
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defmodule PostsInSameCategory do
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use Ash.Resource.ManualRelationship
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2024-01-21 07:53:35 +13:00
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def select(_), do: [:category]
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def load(posts, _, %{query: destination_query, domain: domain}) do
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categories = Enum.map(posts, & &1.category)
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other_posts =
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destination_query
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|> Ash.Query.filter(category in ^categories)
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|> Ash.read!(domain: domain)
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|> Enum.group_by(& &1.category)
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{:ok,
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Map.new(posts, fn post ->
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related_posts =
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other_posts
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|> Map.get(post.category, [])
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|> Enum.reject(&(&1.id == post.id))
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{Map.take(post, [:id]), related_posts}
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end)}
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end
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end
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defmodule Post do
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@moduledoc false
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use Ash.Resource,
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domain: Domain,
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data_layer: Ash.DataLayer.Mnesia,
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authorizers: [Ash.Policy.Authorizer]
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actions do
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default_accept :*
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defaults [:read, create: :*]
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read :authorized_actor
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read :authorized_context
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end
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attributes do
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uuid_primary_key :id
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attribute :title, :string do
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public?(true)
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end
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attribute :contents, :string do
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public?(true)
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end
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attribute :category, :string do
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public?(true)
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end
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attribute :actor_id, :string do
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public?(true)
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end
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timestamps()
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end
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relationships do
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belongs_to :author, Author, public?: true
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has_many :posts_in_same_category, __MODULE__ do
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public?(true)
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manual PostsInSameCategory
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end
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many_to_many :categories, Ash.Test.Actions.AsyncLoadTest.Category,
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through: Ash.Test.Actions.AsyncLoadTest.PostCategory,
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destination_attribute_on_join_resource: :category_id,
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source_attribute_on_join_resource: :post_id,
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public?: true
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end
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calculations do
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calculate :title_plus_title, :string, expr((title || "foo") <> (title || "bar")) do
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public? true
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end
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end
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policies do
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policy action(:authorized_actor) do
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authorize_if expr(actor_id == ^actor(:id))
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end
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policy action(:authorized_context) do
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authorize_if context_equals(:authorized?, true)
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end
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policy always() do
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authorize_if always()
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end
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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, domain: Domain, data_layer: Ash.DataLayer.Mnesia
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actions do
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default_accept :*
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defaults [:read, :destroy, create: :*]
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end
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relationships do
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belongs_to :post, Post, primary_key?: true, allow_nil?: false, public?: true
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belongs_to :category, Ash.Test.Actions.AsyncLoadTest.Category,
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public?: true,
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primary_key?: true,
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allow_nil?: false
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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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use Ash.Resource, domain: Domain, data_layer: Ash.DataLayer.Mnesia
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actions do
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default_accept :*
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defaults [:read, create: :*]
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end
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attributes do
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uuid_primary_key :id
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attribute :name, :string do
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public?(true)
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end
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end
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relationships do
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many_to_many :posts, Post,
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public?: true,
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through: PostCategory,
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destination_attribute_on_join_resource: :post_id,
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source_attribute_on_join_resource: :category_id
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end
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end
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describe "loads" do
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setup do
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capture_log(fn ->
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Ash.DataLayer.Mnesia.start(Domain, [Category, PostCategory, Post, Author])
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end)
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on_exit(fn ->
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capture_log(fn ->
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:mnesia.stop()
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:mnesia.delete_schema([node()])
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end)
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end)
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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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:ok
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end
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2022-03-20 18:08:39 +13:00
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test "it allows loading manual relationships" do
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post1 =
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Post
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|> Ash.Changeset.for_create(:create, %{title: "post1", category: "foo"})
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|> Ash.create!()
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Post
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|> Ash.Changeset.for_create(:create, %{title: "post2", category: "bar"})
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|> Ash.create!()
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post3 =
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Post
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|> Ash.Changeset.for_create(:create, %{title: "post2", category: "foo"})
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|> Ash.create!()
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post3_id = post3.id
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assert [%{id: ^post3_id}] =
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post1
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|> Ash.load!(:posts_in_same_category)
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|> Map.get(:posts_in_same_category)
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end
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2022-10-13 14:30:48 +13:00
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test "it allows loading through manual relationships" do
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post1 =
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Post
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2024-03-28 09:06:40 +13:00
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|> Ash.Changeset.for_create(:create, %{title: "post1", category: "foo"})
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|> Ash.create!()
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Post
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2024-03-28 09:06:40 +13:00
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|> Ash.Changeset.for_create(:create, %{title: "post2", category: "bar"})
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|> Ash.create!()
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Post
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2024-03-28 09:06:40 +13:00
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|> Ash.Changeset.for_create(:create, %{title: "post2", category: "foo"})
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|> Ash.create!()
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2022-10-13 14:30:48 +13:00
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assert [%Post{title: "post1"}] =
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post1
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|> Ash.load!(posts_in_same_category: :posts_in_same_category)
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|> Map.get(:posts_in_same_category)
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|> Enum.flat_map(&Map.get(&1, :posts_in_same_category))
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end
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2022-10-13 17:36:29 +13:00
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test "it allows loading calculations on and through manual relationships" do
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post1 =
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Post
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2024-03-28 09:06:40 +13:00
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|> Ash.Changeset.for_create(:create, %{title: "post1", category: "foo"})
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|> Ash.create!()
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2022-10-13 17:36:29 +13:00
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Post
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2024-03-28 09:06:40 +13:00
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|> Ash.Changeset.for_create(:create, %{title: "post2", category: "bar"})
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|> Ash.create!()
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2022-10-13 17:36:29 +13:00
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Post
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2024-03-28 09:06:40 +13:00
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|> Ash.Changeset.for_create(:create, %{title: "post2", category: "foo"})
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|> Ash.create!()
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2022-10-13 17:36:29 +13:00
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assert %Post{
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title: "post1",
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title_plus_title: "post1post1",
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posts_in_same_category: [
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%{
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title: "post2",
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title_plus_title: "post2post2",
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posts_in_same_category: [
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%{title: "post1", title_plus_title: "post1post1"}
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]
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}
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]
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} =
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post1
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|> Ash.load!([
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2022-10-13 17:36:29 +13:00
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:title_plus_title,
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posts_in_same_category: [
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:title_plus_title,
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posts_in_same_category: [:title_plus_title]
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]
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])
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end
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2022-03-20 18:08:39 +13:00
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test "it allows loading related data" do
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author =
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Author
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2024-03-28 09:06:40 +13:00
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|> Ash.Changeset.for_create(:create, %{name: "zerg"})
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|> Ash.create!()
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2022-03-20 18:08:39 +13:00
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post1 =
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Post
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2024-03-28 09:06:40 +13:00
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|> Ash.Changeset.for_create(:create, %{title: "post1"})
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|> Ash.Changeset.manage_relationship(:author, author, type: :append_and_remove)
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|> Ash.create!()
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2022-03-20 18:08:39 +13:00
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post2 =
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Post
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2024-03-28 09:06:40 +13:00
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|> Ash.Changeset.for_create(:create, %{title: "post2"})
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|> Ash.Changeset.manage_relationship(:author, author, type: :append_and_remove)
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|> Ash.create!()
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2022-03-20 18:08:39 +13:00
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[author] =
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Author
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|> Ash.Query.load(posts: [:author])
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|> Ash.Query.filter(posts.id == ^post1.id)
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2024-03-28 09:06:40 +13:00
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|> Ash.read!(authorize?: true)
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2022-03-20 18:08:39 +13:00
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|
assert Enum.sort(Enum.map(author.posts, &Map.get(&1, :id))) ==
|
|
|
|
Enum.sort([post1.id, post2.id])
|
|
|
|
|
|
|
|
for post <- author.posts do
|
|
|
|
assert post.author.id == author.id
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
2024-09-05 02:32:34 +12:00
|
|
|
test "it allows loading multiple lazy relationships" do
|
|
|
|
author =
|
|
|
|
Author
|
|
|
|
|> Ash.Changeset.for_create(:create, %{name: "zerg"})
|
|
|
|
|> Ash.create!()
|
|
|
|
|
|
|
|
post1 =
|
|
|
|
Post
|
|
|
|
|> Ash.Changeset.for_create(:create, %{title: "post1"})
|
|
|
|
|> Ash.Changeset.manage_relationship(:author, author, type: :append_and_remove)
|
|
|
|
|> Ash.create!()
|
|
|
|
|
|
|
|
Post
|
|
|
|
|> Ash.Changeset.for_create(:create, %{title: "post2"})
|
|
|
|
|> Ash.Changeset.manage_relationship(:author, author, type: :append_and_remove)
|
|
|
|
|> Ash.create!()
|
|
|
|
|
|
|
|
[author] =
|
|
|
|
Author
|
|
|
|
|> Ash.Query.load(posts: [:author])
|
|
|
|
|> Ash.Query.filter(posts.id == ^post1.id)
|
|
|
|
|> Ash.read!(authorize?: true)
|
|
|
|
|
|
|
|
author
|
|
|
|
|> Ash.load!([:posts, :latest_post])
|
|
|
|
|> Ash.load!([:posts, :latest_post], lazy?: true)
|
|
|
|
end
|
|
|
|
|
2022-03-20 18:08:39 +13:00
|
|
|
test "it allows loading many to many relationships" do
|
|
|
|
category1 =
|
|
|
|
Category
|
2024-03-28 09:06:40 +13:00
|
|
|
|> Ash.Changeset.for_create(:create, %{name: "lame"})
|
|
|
|
|> Ash.create!()
|
2022-03-20 18:08:39 +13:00
|
|
|
|
|
|
|
category2 =
|
|
|
|
Category
|
2024-03-28 09:06:40 +13:00
|
|
|
|> Ash.Changeset.for_create(:create, %{name: "cool"})
|
|
|
|
|> Ash.create!()
|
2022-03-20 18:08:39 +13:00
|
|
|
|
|
|
|
post =
|
|
|
|
Post
|
2024-03-28 09:06:40 +13:00
|
|
|
|> Ash.Changeset.for_create(:create, %{title: "post1"})
|
|
|
|
|> Ash.Changeset.manage_relationship(:categories, [category1, category2],
|
|
|
|
type: :append_and_remove
|
|
|
|
)
|
|
|
|
|> Ash.create!()
|
2022-03-20 18:08:39 +13:00
|
|
|
|
|
|
|
[post] =
|
|
|
|
Post
|
|
|
|
|> Ash.Query.load(:categories)
|
|
|
|
|> Ash.Query.filter(id == ^post.id)
|
2024-03-28 09:06:40 +13:00
|
|
|
|> Ash.read!(authorize?: true)
|
2022-03-20 18:08:39 +13:00
|
|
|
|
|
|
|
assert [%{id: id1}, %{id: id2}] = post.categories
|
|
|
|
|
|
|
|
assert Enum.sort([category1.id, category2.id]) == Enum.sort([id1, id2])
|
|
|
|
end
|
|
|
|
|
|
|
|
test "it allows loading nested many to many relationships" do
|
|
|
|
category1 =
|
|
|
|
Category
|
2024-03-28 09:06:40 +13:00
|
|
|
|> Ash.Changeset.for_create(:create, %{name: "lame"})
|
|
|
|
|> Ash.create!()
|
2022-03-20 18:08:39 +13:00
|
|
|
|
|
|
|
category2 =
|
|
|
|
Category
|
2024-03-28 09:06:40 +13:00
|
|
|
|> Ash.Changeset.for_create(:create, %{name: "cool"})
|
|
|
|
|> Ash.create!()
|
2022-03-20 18:08:39 +13:00
|
|
|
|
|
|
|
post =
|
|
|
|
Post
|
2024-03-28 09:06:40 +13:00
|
|
|
|> Ash.Changeset.for_create(:create, %{title: "post1"})
|
|
|
|
|> Ash.Changeset.manage_relationship(:categories, [category1, category2],
|
|
|
|
type: :append_and_remove
|
|
|
|
)
|
|
|
|
|> Ash.create!()
|
2022-03-20 18:08:39 +13:00
|
|
|
|
|
|
|
[post] =
|
|
|
|
Post
|
|
|
|
|> Ash.Query.load(categories: :posts)
|
|
|
|
|> Ash.Query.filter(id == ^post.id)
|
2024-03-28 09:06:40 +13:00
|
|
|
|> Ash.read!(authorize?: true)
|
2022-03-20 18:08:39 +13:00
|
|
|
|
|
|
|
post_id = post.id
|
|
|
|
|
|
|
|
assert [%{posts: [%{id: ^post_id}]}, %{posts: [%{id: ^post_id}]}] = post.categories
|
|
|
|
end
|
|
|
|
|
2022-10-06 18:54:44 +13:00
|
|
|
test "loading multiple at once works" do
|
|
|
|
category1 =
|
|
|
|
Category
|
2024-03-28 09:06:40 +13:00
|
|
|
|> Ash.Changeset.for_create(:create, %{name: "lame"})
|
|
|
|
|> Ash.create!()
|
2022-10-06 18:54:44 +13:00
|
|
|
|
|
|
|
category2 =
|
|
|
|
Category
|
2024-03-28 09:06:40 +13:00
|
|
|
|> Ash.Changeset.for_create(:create, %{name: "cool"})
|
|
|
|
|> Ash.create!()
|
2022-10-06 18:54:44 +13:00
|
|
|
|
|
|
|
author =
|
|
|
|
Author
|
2024-03-28 09:06:40 +13:00
|
|
|
|> Ash.Changeset.for_create(:create, %{name: "zerg"})
|
|
|
|
|> Ash.create!()
|
2022-10-06 18:54:44 +13:00
|
|
|
|
|
|
|
post =
|
|
|
|
Post
|
2024-03-28 09:06:40 +13:00
|
|
|
|> Ash.Changeset.for_create(:create, %{title: "post1"})
|
|
|
|
|> Ash.Changeset.manage_relationship(:categories, [category1, category2],
|
|
|
|
type: :append_and_remove
|
|
|
|
)
|
|
|
|
|> Ash.Changeset.manage_relationship(:author, author, type: :append_and_remove)
|
|
|
|
|> Ash.create!()
|
2022-10-06 18:54:44 +13:00
|
|
|
|
|
|
|
[post] =
|
|
|
|
Post
|
|
|
|
|> Ash.Query.load(categories: :posts, author: [])
|
|
|
|
|> Ash.Query.filter(id == ^post.id)
|
2024-03-28 09:06:40 +13:00
|
|
|
|> Ash.read!(authorize?: true)
|
2022-10-06 18:54:44 +13:00
|
|
|
|
|
|
|
post_id = post.id
|
|
|
|
|
|
|
|
assert [%{posts: [%{id: ^post_id}]}, %{posts: [%{id: ^post_id}]}] = post.categories
|
|
|
|
end
|
|
|
|
|
2022-03-20 18:08:39 +13:00
|
|
|
test "it loads sorted relationships in the proper order" do
|
|
|
|
author =
|
|
|
|
Author
|
2024-03-28 09:06:40 +13:00
|
|
|
|> Ash.Changeset.for_create(:create, %{name: "zerg"})
|
|
|
|
|> Ash.create!()
|
2022-03-20 18:08:39 +13:00
|
|
|
|
|
|
|
_post1 =
|
|
|
|
Post
|
2024-03-28 09:06:40 +13:00
|
|
|
|> Ash.Changeset.for_create(:create, %{title: "post1"})
|
|
|
|
|> Ash.Changeset.manage_relationship(:author, author, type: :append_and_remove)
|
|
|
|
|> Ash.create!()
|
2022-03-20 18:08:39 +13:00
|
|
|
|
|
|
|
:timer.sleep(2)
|
|
|
|
|
|
|
|
post2 =
|
|
|
|
Post
|
2024-03-28 09:06:40 +13:00
|
|
|
|> Ash.Changeset.for_create(:create, %{title: "post2"})
|
|
|
|
|> Ash.Changeset.manage_relationship(:author, author, type: :append_and_remove)
|
|
|
|
|> Ash.create!()
|
2022-03-20 18:08:39 +13:00
|
|
|
|
|
|
|
[author] =
|
|
|
|
Author
|
|
|
|
|> Ash.Query.load(:latest_post)
|
2024-03-28 09:06:40 +13:00
|
|
|
|> Ash.read!()
|
2022-03-20 18:08:39 +13:00
|
|
|
|
|
|
|
assert author.latest_post.id == post2.id
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|