Add multi tenancy tests in paper_trail_version_test file

test/paper_trail/paper_trail_version_test.exs

@@ -2,6 +2,7 @@ defmodule PaperTrailTest.Version do
   use ExUnit.Case
 
   alias PaperTrail.Version
+  alias PaperTrailTest.MultiTenantHelper, as: MultiTenant
 
   @valid_attrs %{
     event: "insert",
@@ -20,13 +21,20 @@ defmodule PaperTrailTest.Version do
     Application.put_env(:paper_trail, :repo, PaperTrail.Repo)
     Code.eval_file("lib/paper_trail.ex")
     Code.eval_file("lib/version.ex")
+    MultiTenant.setup_tenant(@repo)
     :ok
   end
 
   setup do
     @repo.delete_all(Version)
+    Version
+    |> MultiTenant.add_prefix_to_query()
+    |> @repo.delete_all()
     on_exit fn ->
       @repo.delete_all(Version)
+      Version
+      |> MultiTenant.add_prefix_to_query()
+      |> @repo.delete_all()
     end
     :ok
   end
@@ -63,6 +71,29 @@ defmodule PaperTrailTest.Version do
     }
   end
 
+  # Multi tenant tests
+  test "[multi tenant] count works" do
+    versions = add_three_versions_multi()
+    Version.count(prefix: MultiTenant.tenant()) == length(versions)
+  end
+
+  test "[multi tenant] first works" do
+    versions = add_three_versions_multi()
+    Version.first(prefix: MultiTenant.tenant()) |> serialize == @valid_attrs
+  end
+
+  test "[multi tenant] last works" do
+    versions = add_three_versions_multi()
+    Version.last(prefix: MultiTenant.tenant()) |> serialize != %{
+      event: "insert",
+      item_type: "Person",
+      item_id: 3,
+      item_changes: %{first_name: "Yukihiro", last_name: "Matsumoto"},
+      origin: "test",
+      inserted_at: DateTime.from_naive!(~N[1965-04-14 01:00:00.000], "Etc/UTC")
+    }
+  end
+
   def add_three_versions do
     @repo.insert_all(Version, [
       @valid_attrs,
@@ -84,6 +115,27 @@ defmodule PaperTrailTest.Version do
       }
     ], returning: true) |> elem(1)
   end
+  def add_three_versions_multi do
+    @repo.insert_all(Version, [
+      @valid_attrs,
+      %{
+        event: "insert",
+        item_type: "Person",
+        item_id: 2,
+        item_changes: %{first_name: "Brendan", last_name: "Eich"},
+        origin: "test",
+        inserted_at: DateTime.from_naive!(~N[1961-07-04 01:00:00.000], "Etc/UTC")
+      },
+      %{
+        event: "insert",
+        item_type: "Person",
+        item_id: 3,
+        item_changes: %{first_name: "Yukihiro", last_name: "Matsumoto"},
+        origin: "test",
+        inserted_at: DateTime.from_naive!(~N[1965-04-14 01:00:00.000], "Etc/UTC")
+      }
+    ], returning: true, prefix: MultiTenant.tenant()) |> elem(1)
+  end
 
   def serialize(nil), do: nil
   def serialize(resource) do