add seed test

test/seeds_test.exs

@@ -0,0 +1,46 @@
+defmodule Mv.SeedsTest do
+  use Mv.DataCase, async: false
+
+  describe "Seeds script" do
+    test "runs successfully without errors" do
+      # Run the seeds script - should not raise any errors
+      assert Code.eval_file("priv/repo/seeds.exs")
+
+      # Basic smoke test: ensure some data was created
+      {:ok, users} = Ash.read(Mv.Accounts.User)
+      {:ok, members} = Ash.read(Mv.Membership.Member)
+      {:ok, property_types} = Ash.read(Mv.Membership.PropertyType)
+
+      assert length(users) > 0, "Seeds should create at least one user"
+      assert length(members) > 0, "Seeds should create at least one member"
+      assert length(property_types) > 0, "Seeds should create at least one property type"
+    end
+
+    test "can be run multiple times (idempotent)" do
+      # Run seeds first time
+      assert Code.eval_file("priv/repo/seeds.exs")
+
+      # Count records
+      {:ok, users_count_1} = Ash.read(Mv.Accounts.User)
+      {:ok, members_count_1} = Ash.read(Mv.Membership.Member)
+      {:ok, property_types_count_1} = Ash.read(Mv.Membership.PropertyType)
+
+      # Run seeds second time - should not raise errors
+      assert Code.eval_file("priv/repo/seeds.exs")
+
+      # Count records again - should be the same (upsert, not duplicate)
+      {:ok, users_count_2} = Ash.read(Mv.Accounts.User)
+      {:ok, members_count_2} = Ash.read(Mv.Membership.Member)
+      {:ok, property_types_count_2} = Ash.read(Mv.Membership.PropertyType)
+
+      assert length(users_count_1) == length(users_count_2),
+             "Users count should remain same after re-running seeds"
+
+      assert length(members_count_1) == length(members_count_2),
+             "Members count should remain same after re-running seeds"
+
+      assert length(property_types_count_1) == length(property_types_count_2),
+             "PropertyTypes count should remain same after re-running seeds"
+    end
+  end
+end