Attempt integration test

Author: v0idpwn

integration_test/cases/repo.exs

@@ -1300,10 +1300,17 @@ defmodule Ecto.Integration.RepoTest do
   end
 
   test "virtual field" do
-    assert %Post{id: id} = TestRepo.insert!(%Post{title: "1"})
+    assert %Post{id: id} = TestRepo.insert!(%Post{title: "1", temp: "special"})
     assert TestRepo.get(Post, id).temp == "temp"
   end
 
+  test "virtual embed" do
+    assert %Order{id: id, last_seen_item: %Item{reference: "1"}} =
+      TestRepo.insert!(%Order{last_seen_item: %Item{reference: "1"}})
+
+    assert %{last_seen_item: nil} = TestRepo.get(Order, id)
+  end
+
   ## Query syntax
 
   defmodule Foo do

integration_test/support/schemas.exs

@@ -266,13 +266,15 @@ defmodule Ecto.Integration.Order do
     * Embedding one schema
     * Preloading items inside embeds_many
     * Preloading items inside embeds_one
+    * Virtual embeds
     * Field source with json_extract_path
 
   """
   use Ecto.Integration.Schema
 
   schema "orders" do
     field :metadata, :map, source: :meta
+    embeds_one :last_seen_item, Ecto.Integration.Item, virtual: true
     embeds_one :item, Ecto.Integration.Item
     embeds_many :items, Ecto.Integration.Item
     belongs_to :permalink, Ecto.Integration.Permalink