mirror of
https://github.com/ash-project/ash.git
synced 2024-09-20 05:23:03 +12:00
James Harton
86d74ed789
* feat: Add `Ash.Reactor` with create support. * improvement: Add `Ash.Reactor` update support. * improvement: Add `Ash.Reactor` destroy support. * improvement(Ash.Reactor): Support for transactional handling of notifications. * improvement(Ash.Reactor): Add `read` and `get` steps. * docs: Add the beginnings of a Reactor topic. * improvement(Ash.Reactor): add support for generic actions. * improvement: Add `undo` capability to `create` step. * improvement: transaction and undo working. * docs: Start documenting undo behaviour. * chore: Update to Reactor 0.6. * improvement: Automatically thread Ash tracers through Reactor. * improvement(Ash.Reactor): Add undo to generic actions. * docs: Improve reactor documentation. * fix: Mimic copying `Ash.Notifier` seems to break the compiler for some reason.
128 lines
2.8 KiB
Elixir
128 lines
2.8 KiB
Elixir
defmodule Ash.Test.Reactor.TransactionTest do
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@moduledoc false
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use ExUnit.Case, async: false
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use Mimic
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defmodule Post do
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@moduledoc false
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use Ash.Resource, data_layer: Ash.DataLayer.Mnesia
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attributes do
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uuid_primary_key :id
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attribute :title, :string, allow_nil?: false
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end
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actions do
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defaults [:create, :destroy]
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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 Ash.Test.Reactor.TransactionTest.Post
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end
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end
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setup do
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ExUnit.CaptureLog.capture_log(fn ->
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Ash.DataLayer.Mnesia.start(__MODULE__.Api)
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end)
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on_exit(fn ->
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ExUnit.CaptureLog.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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end
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test "when the transaction completes successfully it returns the last result" do
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defmodule SuccessfulNoReturnTransactionReactor do
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@moduledoc false
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use Ash.Reactor
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ash do
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default_api Api
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end
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transaction :create_posts, Post do
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create :post_1, Post, :create do
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inputs(%{title: value("About Marty McFly")})
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end
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create :post_2, Post, :create do
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inputs(%{title: value("About Doc Brown")})
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end
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end
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end
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assert {:ok, %{title: "About Doc Brown"}} = Reactor.run(SuccessfulNoReturnTransactionReactor)
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end
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test "when the transaction completes successfully it returns the specified result" do
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defmodule SuccessfulNamedReturnTransactionReactor do
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@moduledoc false
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use Ash.Reactor
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ash do
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default_api Api
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end
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transaction :create_posts, Post do
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create :post_1, Post, :create do
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inputs(%{title: value("About Marty McFly")})
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end
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create :post_2, Post, :create do
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inputs(%{title: value("About Doc Brown")})
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end
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return :post_1
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end
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end
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assert {:ok, %{title: "About Marty McFly"}} =
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Reactor.run(SuccessfulNamedReturnTransactionReactor)
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end
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test "when the transaction fails it is rolled back" do
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defmodule FailAndRollBackTransactionReactor do
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@moduledoc false
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use Ash.Reactor
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ash do
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default_api Api
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end
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transaction :create_posts, Post do
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create :post_1, Post, :create do
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inputs(%{title: value("About Marty McFly")})
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end
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step :fail do
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run fn _, _ ->
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raise "hell"
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end
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end
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return :post_1
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end
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end
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Ash.DataLayer
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|> expect(:rollback, fn resources, reason ->
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assert resources == [Post]
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assert Exception.message(reason) == "hell"
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raise reason
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end)
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assert {:error, [error]} =
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Reactor.run(FailAndRollBackTransactionReactor, %{}, %{}, async?: false)
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assert Exception.message(error) =~ "hell"
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end
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end
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