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783 lines
21 KiB
Elixir
783 lines
21 KiB
Elixir
defmodule Ash.Test.Changeset.ChangesetTest do
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@moduledoc false
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use ExUnit.Case, async: true
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alias Ash.Changeset
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require Ash.Query
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defmodule Category do
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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 :default
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create :default, primary?: true
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create :create_with_confirmation do
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argument :confirm_name, :string do
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allow_nil? false
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end
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change confirm(:name, :confirm_name)
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end
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end
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attributes do
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attribute :id, :uuid, primary_key?: true, default: &Ecto.UUID.generate/0
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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, Ash.Test.Changeset.ChangesetTest.Post,
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through: Ash.Test.Changeset.ChangesetTest.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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end
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end
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defmodule Author do
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@moduledoc false
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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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ets do
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private?(true)
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end
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actions do
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read :default
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create :default
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end
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attributes do
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attribute :id, :uuid, primary_key?: true, default: &Ecto.UUID.generate/0
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attribute :name, :string
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end
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relationships do
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has_many :posts, Ash.Test.Changeset.ChangesetTest.Post, destination_field: :author_id
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has_many :composite_key_posts, Ash.Test.Changeset.ChangesetTest.CompositeKeyPost,
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destination_field: :author_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 :default
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create :default
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end
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relationships do
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belongs_to :post, Ash.Test.Changeset.ChangesetTest.Post, primary_key?: true
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belongs_to :category, Ash.Test.Changeset.ChangesetTest.Category, primary_key?: true
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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, 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 :default
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create :default
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update :default
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end
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attributes do
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attribute :id, :uuid, primary_key?: true, default: &Ecto.UUID.generate/0
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attribute :title, :string
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attribute :contents, :string
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end
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relationships do
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belongs_to :author, Author
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many_to_many :categories, Ash.Test.Changeset.ChangesetTest.Category,
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through: Ash.Test.Changeset.ChangesetTest.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 CompositeKeyPost 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 :default
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create :default
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update :default
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end
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attributes do
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attribute :serial, :integer, primary_key?: true
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attribute :id, :uuid, primary_key?: true, default: &Ecto.UUID.generate/0
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attribute :title, :string
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attribute :contents, :string
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end
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relationships do
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belongs_to :author, Author
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many_to_many :categories, Ash.Test.Changeset.ChangesetTest.Category,
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through: Ash.Test.Changeset.ChangesetTest.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 Api do
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@moduledoc false
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use Ash.Api
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resources do
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resource Category
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resource Author
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resource PostCategory
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resource Post
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resource CompositeKeyPost
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end
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end
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defmodule NonResource do
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@moduledoc false
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defstruct [:name]
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end
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describe "new" do
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test "it wraps a new resource in a `create` changeset" do
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assert %Changeset{
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action_type: :create,
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attributes: %{},
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data: %Category{},
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errors: [],
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valid?: true
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} =
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Category
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|> Changeset.new()
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end
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test "it wraps a resource's record in an `update` changeset" do
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record =
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Category
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|> Changeset.new(%{name: "foo"})
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|> Api.create!()
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assert %Changeset{
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action_type: :update,
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attributes: %{},
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data: %Category{name: "foo"},
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errors: [],
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valid?: true
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} =
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record
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|> Changeset.new()
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end
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test "it returns an error for a non-resource record" do
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assert %Changeset{
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action_type: :create,
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attributes: %{},
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data: %NonResource{},
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errors: [%Ash.Error.Invalid.NoSuchResource{}],
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valid?: false
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} =
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%NonResource{name: "foo"}
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|> Changeset.new()
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end
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end
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describe "with_hooks/2" do
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test "it applies a before_action function on a changeset" do
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capitalize_name = fn changeset = %Changeset{attributes: %{name: name}} ->
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%{
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changeset
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| attributes: Map.merge(changeset.attributes, %{name: String.capitalize(name)})
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}
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end
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changeset =
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Category
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|> Changeset.new(%{name: "foo"})
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changeset = %{changeset | before_action: [capitalize_name]}
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category = changeset |> Api.create!()
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assert %Category{name: "Foo"} = category
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end
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test "it applies a after_action function on a changeset" do
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capitalize_name = fn _changeset, result = %{name: _} ->
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{:ok, %{result | name: "modified"}}
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end
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changeset =
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Category
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|> Changeset.new(%{name: "foo"})
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changeset = %{changeset | after_action: [capitalize_name]}
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category = changeset |> Api.create!()
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assert %Category{name: "modified"} = category
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assert {:ok, %Category{name: "foo"}} = Api.get(Category, category.id)
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end
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end
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describe "get_attribute/2" do
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setup do
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category =
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Category
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|> Changeset.new(%{name: "foo"})
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|> Api.create!()
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{:ok, %{category: category}}
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end
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test "it get an attribute of the changeset", %{category: category} do
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changeset =
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category
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|> Changeset.new(%{name: "bar"})
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assert "bar" == Changeset.get_attribute(changeset, :name)
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end
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test "it falls back to the original value of the attribute", %{category: category} do
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changeset =
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category
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|> Changeset.new()
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assert "foo" == Changeset.get_attribute(changeset, :name)
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end
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test "it returns nil if the attribute not found" do
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changeset =
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Category
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|> Changeset.new()
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assert %{} == changeset.attributes
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assert is_nil(Changeset.get_attribute(changeset, :not_there))
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end
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end
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describe "fetch_change/2" do
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test "it get a changed attribute of the changeset" do
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category =
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Category
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|> Changeset.new(%{name: "foo"})
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|> Api.create!()
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changeset =
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category
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|> Changeset.new(%{name: "bar"})
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assert {:ok, "bar"} == Changeset.fetch_change(changeset, :name)
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end
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test "it returns :error if the attribute not found" do
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changeset =
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Category
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|> Changeset.new()
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assert %{} == changeset.attributes
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assert :error == Changeset.fetch_change(changeset, :none)
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end
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end
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describe "set_context/2" do
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test "it sets context to a given map" do
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changeset =
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Category
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|> Changeset.new()
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|> Changeset.set_context(%{key: "value"})
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assert "value" == changeset.context.key
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end
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end
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describe "put_context/2" do
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test "it puts a value in a context key" do
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changeset =
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Category
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|> Changeset.new()
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|> Changeset.put_context(:key, "value")
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assert "value" == changeset.context.key
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end
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end
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describe "append_to_relationship/3" do
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test "it appends entities to a resource's relationship" do
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post1 = Post |> Changeset.new(%{title: "title1"}) |> Api.create!()
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post2 = Post |> Changeset.new(%{title: "title2"}) |> Api.create!()
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changeset =
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Author
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|> Changeset.new()
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|> Changeset.append_to_relationship(:posts, [post1, post2])
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assert Enum.sort([%{id: post1.id}, %{id: post2.id}]) ==
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Enum.sort(changeset.relationships.posts.add)
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end
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test "it accepts value of single attribute primary_key as a second param" do
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post1 = Post |> Changeset.new(%{title: "title1"}) |> Api.create!()
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changeset =
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Author
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|> Changeset.new()
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|> Changeset.append_to_relationship(:posts, post1.id)
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assert %{add: [%{id: post1.id}]} == changeset.relationships.posts
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end
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test "it accepts a map %{id: value} representing primary key as a second param only if primary key is a single attribute" do
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post1 = Post |> Changeset.new(%{title: "foo"}) |> Api.create!()
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changeset =
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Author
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|> Changeset.new()
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|> Changeset.append_to_relationship(:posts, %{id: post1.id})
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assert %{add: [%{id: post1.id}]} == changeset.relationships.posts
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end
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test "it accepts many-to-many relationship" do
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post1 = Post |> Changeset.new(%{title: "foo"}) |> Api.create!()
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changeset =
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Category
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|> Changeset.new()
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|> Changeset.append_to_relationship(:posts, post1)
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assert %{add: [%{id: post1.id}]} == changeset.relationships.posts
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end
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test "it returns error if relationship does not exists" do
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post1 = Post |> Changeset.new(%{title: "foo"}) |> Api.create!()
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changeset =
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Author
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|> Changeset.new()
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|> Changeset.append_to_relationship(:na, post1)
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assert %{} == changeset.relationships
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assert [%Ash.Error.Changes.NoSuchRelationship{}] = changeset.errors
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end
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test "it reconciles after appending" do
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post1 = Post |> Changeset.new(%{title: "title1"}) |> Api.create!()
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post2 = Post |> Changeset.new(%{title: "title2"}) |> Api.create!()
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changeset =
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Author
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|> Changeset.new()
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|> Changeset.append_to_relationship(:posts, [post1])
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|> Changeset.append_to_relationship(:posts, [post2])
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|> Changeset.append_to_relationship(:posts, [post2])
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assert Enum.sort([%{id: post1.id}, %{id: post2.id}]) ==
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Enum.sort(changeset.relationships.posts.add)
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end
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end
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describe "replace_relationship/3" do
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test "it replaces entities to a resource's relationship" do
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post1 = Post |> Changeset.new(%{title: "title1"}) |> Api.create!()
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post2 = Post |> Changeset.new(%{title: "title2"}) |> Api.create!()
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author =
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Author
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|> Changeset.new()
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|> Changeset.replace_relationship(:posts, [post1])
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|> Api.create!()
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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(id == ^author.id)
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|> Api.read!()
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assert [author_post] = author.posts
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assert author_post.id == post1.id
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changeset =
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author
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|> Changeset.new()
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|> Changeset.replace_relationship(:posts, [post2])
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assert %{replace: [%{id: post2.id}]} == changeset.relationships.posts
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author =
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changeset
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|> Api.create!()
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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(id == ^author.id)
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|> Api.read!()
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assert [author_post] = author.posts
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assert author_post.id == post2.id
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end
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test "it puts relationship destination entities into changeset's context iff all entities are valid Ash resources" do
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post1 = Post |> Changeset.new(%{title: "title1"}) |> Api.create!()
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post2 = Post |> Changeset.new(%{title: "title2"}) |> Api.create!()
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changeset =
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Author
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|> Changeset.new()
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|> Changeset.replace_relationship(:posts, [post1, post2.id])
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refute Map.get(changeset.context, :destination_entities)
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changeset =
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Author
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|> Changeset.new()
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|> Changeset.replace_relationship(:posts, [post1, post2])
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assert get_in(changeset.context, [:destination_entities, :posts, Post]) == [post1, post2]
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end
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test "it accepts value of single attribute primary_key as a second param" do
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post1 = Post |> Changeset.new(%{title: "title1"}) |> Api.create!()
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changeset =
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Author
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|> Changeset.new()
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|> Changeset.replace_relationship(:posts, post1.id)
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assert %{replace: [%{id: post1.id}]} == changeset.relationships.posts
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end
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test "it accepts a map %{id: value} representing primary key as a second param" do
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post1 =
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Post
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|> Changeset.new(%{title: "foo"})
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|> Api.create!()
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changeset =
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Author
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|> Changeset.new()
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|> Changeset.replace_relationship(:posts, %{id: post1.id})
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assert %{replace: [%{id: post1.id}]} == changeset.relationships.posts
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end
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test "it accepts a map %{att1: value1, att2: value2} representing primary key as a second param" do
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post1 =
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CompositeKeyPost
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|> Changeset.new(%{serial: 1})
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|> Api.create!()
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changeset =
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Author
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|> Changeset.new()
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|> Changeset.replace_relationship(
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:composite_key_posts,
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%{id: post1.id, serial: post1.serial}
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)
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assert %{replace: [%{id: post1.id, serial: post1.serial}]} ==
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changeset.relationships.composite_key_posts
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assert [] == changeset.errors
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author =
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changeset
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|> Api.create!()
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[fetched_post] =
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CompositeKeyPost
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|> Ash.Query.load(author: :composite_key_posts)
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|> Ash.Query.filter(id == ^post1.id and serial == ^post1.serial)
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|> Api.read!()
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assert author == fetched_post.author
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end
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test "it accepts a list of maps representing primary_keys as a second param" do
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post1 =
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CompositeKeyPost
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|> Changeset.new(%{serial: 1})
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|> Api.create!()
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post2 =
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CompositeKeyPost
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|> Changeset.new(%{serial: 2})
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|> Api.create!()
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changeset =
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Author
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|> Changeset.new()
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|> Changeset.replace_relationship(
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:composite_key_posts,
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[
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%{id: post1.id, serial: post1.serial},
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%{id: post2.id, serial: post2.serial}
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]
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)
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assert Enum.sort([
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%{id: post1.id, serial: post1.serial},
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%{id: post2.id, serial: post2.serial}
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]) ==
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Enum.sort(changeset.relationships.composite_key_posts.replace)
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assert [] == changeset.errors
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author =
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changeset
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|> Api.create!()
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[fetched_post] =
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CompositeKeyPost
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|> Ash.Query.load(author: :composite_key_posts)
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|> Ash.Query.filter(id == ^post1.id and serial == ^post1.serial)
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|> Api.read!()
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assert author == fetched_post.author
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end
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|
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test "it accepts mix of entities and maps representing primary_keys as a second param" do
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post1 =
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CompositeKeyPost
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|> Changeset.new(%{serial: 1})
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|> Api.create!()
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post2 =
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CompositeKeyPost
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|> Changeset.new(%{serial: 2})
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|> Api.create!()
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changeset =
|
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Author
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|> Changeset.new()
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|> Changeset.replace_relationship(
|
|
:composite_key_posts,
|
|
[
|
|
%{id: post1.id, serial: post1.serial},
|
|
post2
|
|
]
|
|
)
|
|
|
|
assert Enum.sort([
|
|
%{id: post1.id, serial: post1.serial},
|
|
%{id: post2.id, serial: post2.serial}
|
|
]) ==
|
|
Enum.sort(changeset.relationships.composite_key_posts.replace)
|
|
|
|
assert [] == changeset.errors
|
|
|
|
author =
|
|
changeset
|
|
|> Api.create!()
|
|
|
|
[fetched_author] =
|
|
Author
|
|
|> Ash.Query.load(:composite_key_posts)
|
|
|> Ash.Query.filter(id == ^author.id)
|
|
|> Api.read!()
|
|
|
|
assert Enum.sort(Enum.map(fetched_author.composite_key_posts, & &1.id)) ==
|
|
Enum.sort([post1.id, post2.id])
|
|
end
|
|
|
|
test "it returns error if one of relationship entities is invalid" do
|
|
post1 =
|
|
CompositeKeyPost
|
|
|> Changeset.new(%{serial: 1})
|
|
|> Api.create!()
|
|
|
|
post2 =
|
|
CompositeKeyPost
|
|
|> Changeset.new(%{serial: 2})
|
|
|> Api.create!()
|
|
|
|
invalid_post =
|
|
Post
|
|
|> Changeset.new(%{title: "a title"})
|
|
|> Api.create!()
|
|
|
|
changeset =
|
|
Author
|
|
|> Changeset.new()
|
|
|> Changeset.replace_relationship(
|
|
:composite_key_posts,
|
|
[
|
|
%{id: post1.id, serial: post1.serial},
|
|
post2,
|
|
invalid_post
|
|
]
|
|
)
|
|
|
|
assert Enum.empty?(changeset.relationships)
|
|
|
|
assert [%Ash.Error.Changes.InvalidRelationship{} = relation_error] = changeset.errors
|
|
assert relation_error.message =~ "Invalid identifier"
|
|
end
|
|
|
|
test "it accepts many-to-many relationship" do
|
|
post1 =
|
|
Post
|
|
|> Changeset.new(%{title: "foo"})
|
|
|> Api.create!()
|
|
|
|
changeset =
|
|
Category
|
|
|> Changeset.new()
|
|
|> Changeset.replace_relationship(:posts, post1)
|
|
|
|
assert %{replace: [%{id: post1.id}]} == changeset.relationships.posts
|
|
end
|
|
|
|
test "it returns error if relationship does not exists" do
|
|
post1 = Post |> Changeset.new(%{title: "foo"}) |> Api.create!()
|
|
|
|
changeset =
|
|
Author
|
|
|> Changeset.new()
|
|
|> Changeset.replace_relationship(:na, post1)
|
|
|
|
assert %{} == changeset.relationships
|
|
assert [%Ash.Error.Changes.NoSuchRelationship{}] = changeset.errors
|
|
end
|
|
|
|
test "it reconciles after replacement" do
|
|
post1 = Post |> Changeset.new(%{title: "title1"}) |> Api.create!()
|
|
post2 = Post |> Changeset.new(%{title: "title2"}) |> Api.create!()
|
|
|
|
changeset =
|
|
Author
|
|
|> Changeset.new()
|
|
|> Changeset.replace_relationship(:posts, [post1])
|
|
|> Changeset.replace_relationship(:posts, [post2])
|
|
|
|
assert Enum.sort([%{id: post2.id}]) ==
|
|
Enum.sort(changeset.relationships.posts.replace)
|
|
|
|
changeset =
|
|
changeset
|
|
|> Changeset.replace_relationship(:posts, [])
|
|
|
|
assert [] == changeset.relationships.posts.replace
|
|
end
|
|
end
|
|
|
|
describe "changing_attribute?/2" do
|
|
test "it returns true if the attribute is being changed by the current changeset" do
|
|
changeset = Post |> Changeset.new(%{title: "title1"})
|
|
assert Changeset.changing_attribute?(changeset, :title)
|
|
end
|
|
|
|
test "it returns false if the attribute is NOT being changed by the current changeset" do
|
|
changeset = Post |> Changeset.new(%{title: "title1"})
|
|
refute Changeset.changing_attribute?(changeset, :contents)
|
|
end
|
|
end
|
|
|
|
describe "changing_relationship?/2" do
|
|
test "it returns true if the attribute is being changed by the current changeset" do
|
|
post = Post |> Changeset.new(%{title: "title2"}) |> Api.create!()
|
|
|
|
changeset =
|
|
Author
|
|
|> Changeset.new()
|
|
|> Changeset.replace_relationship(:posts, [post])
|
|
|
|
assert Changeset.changing_relationship?(changeset, :posts)
|
|
end
|
|
|
|
test "it returns false if the attribute is NOT being changed by the current changeset" do
|
|
changeset = Post |> Changeset.new(%{title: "title1"})
|
|
refute Changeset.changing_relationship?(changeset, :posts)
|
|
end
|
|
end
|
|
|
|
describe "change_new_attribute/3" do
|
|
test "it changes attribute if it's not currently being changed" do
|
|
changeset =
|
|
Post
|
|
|> Changeset.new(%{title: "title1"})
|
|
|> Changeset.change_new_attribute(:contents, "some content")
|
|
|
|
assert %Changeset{attributes: %{title: "title1", contents: "some content"}} = changeset
|
|
end
|
|
|
|
test "it keeps the current value of attribute if it's currently being changed" do
|
|
changeset =
|
|
Post
|
|
|> Changeset.new(%{title: "title1"})
|
|
|> Changeset.change_new_attribute(:title, "another title")
|
|
|
|
assert %Changeset{
|
|
attributes: %{
|
|
title: "title1"
|
|
}
|
|
} = changeset
|
|
end
|
|
end
|
|
|
|
describe "arguments" do
|
|
test "arguments can be used in valid changes" do
|
|
Category
|
|
|> Changeset.new(%{"name" => "foo"})
|
|
|> Changeset.set_argument(:confirm_name, "foo")
|
|
|> Api.create!(action: :create_with_confirmation)
|
|
end
|
|
|
|
test "arguments can be provided as strings" do
|
|
Category
|
|
|> Changeset.new(%{"name" => "foo"})
|
|
|> Changeset.set_argument("confirm_name", "foo")
|
|
|> Api.create!(action: :create_with_confirmation)
|
|
end
|
|
|
|
test "arguments can be used in invalid changes" do
|
|
assert_raise Ash.Error.Invalid, ~r/Value did not match confirmation/, fn ->
|
|
Category
|
|
|> Changeset.new(%{"name" => "foo"})
|
|
|> Changeset.set_argument(:confirm_name, "bar")
|
|
|> Api.create!(action: :create_with_confirmation)
|
|
end
|
|
end
|
|
|
|
test "required arguments can't be nil" do
|
|
assert_raise Ash.Error.Invalid, ~r/argument confirm_name is required/, fn ->
|
|
Category
|
|
|> Changeset.new(%{"name" => "foo"})
|
|
|> Api.create!(action: :create_with_confirmation)
|
|
end
|
|
end
|
|
end
|
|
end
|