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182 lines
4.8 KiB
Elixir
182 lines
4.8 KiB
Elixir
defmodule Ash.Test.Resource.Relationships.BelongsToTest do
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@moduledoc false
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use ExUnit.Case, async: true
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defmacrop defposts(do: body) do
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quote do
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defmodule Post do
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@moduledoc false
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use Ash.Resource
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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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end
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unquote(body)
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end
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end
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end
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describe "representation" do
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test "it creates an attribute" do
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defposts do
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relationships do
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belongs_to(:foobar, FooBar)
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end
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end
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assert [
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%Ash.Resource.Attribute{
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name: :foobar_id,
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primary_key?: false,
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type: Ash.Type.UUID
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},
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_
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] = Ash.Resource.attributes(Post)
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end
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test "it creates a relationship" do
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defposts do
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relationships do
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belongs_to(:foobar, FooBar)
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end
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end
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assert [
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%Ash.Resource.Relationships.BelongsTo{
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cardinality: :one,
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define_field?: true,
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destination: FooBar,
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destination_field: :id,
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field_type: :uuid,
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name: :foobar,
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primary_key?: false,
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source_field: :foobar_id,
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type: :belongs_to
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}
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] = Ash.Resource.relationships(Post)
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end
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end
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describe "validations" do
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test "fails if destination_field is not an atom" do
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assert_raise(
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Ash.Error.Dsl.DslError,
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"[Ash.Resource.Dsl.BelongsTo]\n relationships -> belongs_to -> foobar:\n expected :destination_field to be an atom, got: \"foo\"",
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fn ->
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defposts do
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relationships do
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belongs_to(:foobar, FooBar, destination_field: "foo")
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end
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end
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end
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)
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end
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test "fails if source_field is not an atom" do
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assert_raise(
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Ash.Error.Dsl.DslError,
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"[Ash.Resource.Dsl.BelongsTo]\n relationships -> belongs_to -> foobar:\n expected :source_field to be an atom, got: \"foo\"",
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fn ->
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defposts do
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relationships do
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belongs_to(:foobar, FooBar, source_field: "foo")
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end
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end
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end
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)
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end
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test "fails if the destination is not an atom" do
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assert_raise(
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Ash.Error.Dsl.DslError,
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"[Ash.Resource.Dsl.BelongsTo]\n relationships -> belongs_to -> foobar:\n expected :destination to be an atom, got: \"foobar\"",
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fn ->
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defposts do
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relationships do
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belongs_to(:foobar, "foobar")
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end
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end
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end
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)
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end
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test "fails if the relationship name is not an atom" do
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assert_raise(
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Ash.Error.Dsl.DslError,
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"[Ash.Resource.Dsl.BelongsTo]\n relationships -> belongs_to -> foobar:\n expected :name to be an atom, got: \"foobar\"",
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fn ->
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defposts do
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relationships do
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belongs_to("foobar", Foobar)
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end
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end
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end
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)
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end
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test "fails if `primary_key?` is not a boolean" do
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assert_raise(
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Ash.Error.Dsl.DslError,
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"[Ash.Resource.Dsl.BelongsTo]\n relationships -> belongs_to -> foobar:\n expected :primary_key? to be an boolean, got: \"blah\"",
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fn ->
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defposts do
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relationships do
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belongs_to(:foobar, Foobar, primary_key?: "blah")
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end
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end
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end
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)
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end
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end
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test "fails if `define_field?` is not a boolean" do
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assert_raise(
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Ash.Error.Dsl.DslError,
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"[Ash.Resource.Dsl.BelongsTo]\n relationships -> belongs_to -> foobar:\n expected :define_field? to be an boolean, got: \"blah\"",
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fn ->
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defposts do
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relationships do
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belongs_to(:foobar, Foobar, define_field?: "blah")
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end
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end
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end
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)
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end
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test "fails if `field_type` is not an atom" do
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assert_raise(
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Ash.Error.Dsl.DslError,
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"[Ash.Resource.Dsl.BelongsTo]\n relationships -> belongs_to -> foobar:\n Attribute type must be a built in type or a type module, got: \"foo\"",
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fn ->
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defposts do
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relationships do
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belongs_to(:foobar, Foobar, field_type: "foo")
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end
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end
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end
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)
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end
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test "fails in api initialization if the destination resource doesn't have the correct field" do
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assert_raise(
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Ash.Error.Dsl.DslError,
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~r/Relationship `post` expects source field `post_id` to be defined/,
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fn ->
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defposts do
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relationships do
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belongs_to(:post, __MODULE__, define_field?: false)
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end
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end
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defmodule Api do
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use Ash.Api
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resources do
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resource(Post)
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end
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end
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end
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)
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end
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end
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