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313 lines
7 KiB
Elixir
313 lines
7 KiB
Elixir
defmodule Ash.Test.Actions.ReadTest do
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@moduledoc false
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use ExUnit.Case, async: true
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defmodule Author 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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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.Actions.ReadTest.Post, destination_field: :author1_id
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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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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 :author1, Ash.Test.Actions.ReadTest.Author
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belongs_to :author2, Ash.Test.Actions.ReadTest.Author
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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(Post)
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resource(Author)
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end
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end
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import Ash.Changeset
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describe "api.get/3" do
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setup do
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post =
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Post
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|> create(%{title: "test", contents: "yeet"})
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|> Api.create!()
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%{post: post}
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end
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test "it returns a matching record", %{post: post} do
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assert {:ok, fetched_post} = Api.get(Post, post.id)
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assert fetched_post == post
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end
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test "it returns nil when there is no matching record" do
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assert {:ok, nil} = Api.get(Post, Ecto.UUID.generate())
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end
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end
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describe "api.get!/3" do
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setup do
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post =
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Post
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|> create(%{title: "test", contents: "yeet"})
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|> Api.create!()
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%{post: post}
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end
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test "it returns a matching record", %{post: post} do
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assert ^post = Api.get!(Post, post.id)
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end
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test "it raises on an error", %{post: post} do
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assert_raise(Ash.Error.Invalid, ~r/\* No such resource Something/, fn ->
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Api.get!(Something, post.id)
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end)
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end
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end
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describe "api.read/2 with no records" do
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test "returns an empty result" do
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assert {:ok, []} = Api.read(Post)
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end
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end
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describe "Ash.read!/2 with no records" do
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test "returns an empty result" do
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assert [] = Api.read!(Post)
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end
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end
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describe "api.read/2" do
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setup do
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post1 =
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Post
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|> create(%{title: "test", contents: "yeet"})
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|> Api.create!()
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post2 =
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Post
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|> create(%{title: "test1", contents: "yeet2"})
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|> Api.create!()
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%{post1: post1, post2: post2}
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end
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test "with a limit of 1, returns only 1 record" do
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assert {:ok, [_post]} =
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Post
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|> Ash.Query.limit(1)
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|> Api.read()
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end
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test "with a limit size of 2, returns 2 records" do
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assert {:ok, [_, _]} =
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Post
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|> Ash.Query.limit(2)
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|> Api.read()
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end
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test "with a limit of 1 and an offset of 1, it returns 1 record" do
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assert {:ok, [_]} =
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Post
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|> Ash.Query.limit(1)
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|> Ash.Query.offset(1)
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|> Api.read()
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end
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end
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describe "api.read!/2" do
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setup do
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post1 =
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Post
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|> create(%{title: "test", contents: "yeet"})
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|> Api.create!()
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post2 =
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Post
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|> create(%{title: "test1", contents: "yeet2"})
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|> Api.create!()
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%{post1: post1, post2: post2}
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end
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test "it returns the records not in a tuple" do
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assert [_, _] = Api.read!(Post)
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end
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test "it raises on an error" do
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assert_raise(
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Ash.Error.Invalid,
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~r/Invalid filter value `10` supplied in: `title == 10`/,
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fn ->
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Post
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|> Ash.Query.filter(title: 10)
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|> Api.read!()
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end
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)
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end
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end
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describe "filters" do
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setup do
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post1 =
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Post
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|> create(%{title: "test", contents: "yeet"})
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|> Api.create!()
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post2 =
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Post
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|> create(%{title: "test1", contents: "yeet"})
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|> Api.create!()
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%{post1: post1, post2: post2}
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end
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test "a filter that matches nothing returns no results" do
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assert {:ok, []} =
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Post
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|> Ash.Query.filter(contents: "not_yeet")
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|> Api.read()
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end
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test "a filter returns only matching records", %{post1: post1} do
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assert {:ok, [^post1]} =
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Post
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|> Ash.Query.filter(title: post1.title)
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|> Api.read()
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end
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test "a filter returns multiple records if they match", %{post1: post1, post2: post2} do
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assert {:ok, [_, _] = results} =
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Post
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|> Ash.Query.filter(contents: "yeet")
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|> Api.read()
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assert post1 in results
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assert post2 in results
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end
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end
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describe "relationship filters" do
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setup do
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author1 =
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Author
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|> create(%{name: "bruh"})
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|> Api.create!()
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author2 =
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Author
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|> create(%{name: "bruh"})
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|> Api.create!()
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post =
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Post
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|> create(%{title: "test", contents: "yeet"})
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|> replace_relationship(:author1, author1)
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|> replace_relationship(:author2, author2)
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|> Api.create!()
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%{post: post, author1: author1, author2: author2}
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end
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test "you can filter on a related value", %{author1: author1} do
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assert [_] =
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Post
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|> Ash.Query.filter(author1: author1.id)
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|> Api.read!()
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end
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test "you can filter on multiple related values", %{author1: author1, author2: author2} do
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assert [_] =
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Post
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|> Ash.Query.filter(author1: author1.id, author2: author2.id)
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|> Api.read!()
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end
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end
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describe "sort" do
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setup do
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post1 =
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Post
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|> create(%{title: "abc", contents: "abc"})
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|> Api.create!()
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post2 =
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Post
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|> create(%{title: "xyz", contents: "abc"})
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|> Api.create!()
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%{post1: post1, post2: post2}
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end
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test "a sort will sort the rows accordingly when ascending", %{
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post1: post1,
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post2: post2
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} do
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assert {:ok, [^post1, ^post2]} =
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Post
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|> Ash.Query.sort(title: :asc)
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|> Api.read()
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end
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test "a sort will sor rows accordingly when descending", %{
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post1: post1,
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post2: post2
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} do
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assert {:ok, [^post2, ^post1]} =
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Post
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|> Ash.Query.sort(title: :desc)
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|> Api.read()
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end
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test "a nested sort sorts accordingly", %{post1: post1, post2: post2} do
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middle_post =
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Post
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|> create(%{title: "abc", contents: "xyz"})
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|> Api.create!()
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assert {:ok, [^post1, ^middle_post, ^post2]} =
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Post
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|> Ash.Query.sort(title: :asc, contents: :asc)
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|> Api.read()
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end
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end
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end
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