test: add tests for approval ui

test/membership/join_request_approval_domain_test.exs

@@ -0,0 +1,139 @@
+defmodule Mv.Membership.JoinRequestApprovalDomainTest do
+  @moduledoc """
+  Domain tests for JoinRequest approval: approve/reject and promotion to Member (Step 2).
+
+  Asserts that approve creates one Member with mapped data, reject does not create Member,
+  status rules, and idempotency. No User creation in MVP.
+  """
+  use Mv.DataCase, async: true
+
+  import Ash.Expr
+  require Ash.Query
+
+  alias Mv.Fixtures
+  alias Mv.Helpers.SystemActor
+  alias Mv.Membership
+  alias Mv.Membership.Member
+
+  defp member_count do
+    actor = SystemActor.get_system_actor()
+    {:ok, members} = Membership.list_members(actor: actor)
+    length(members)
+  end
+
+  describe "approve_join_request/2 – promotion to Member" do
+    test "approve creates exactly one member with email, first_name, last_name from JoinRequest" do
+      request =
+        Fixtures.submitted_join_request_fixture(%{
+          first_name: "Approved",
+          last_name: "User"
+        })
+
+      count_before = member_count()
+      user = Fixtures.user_with_role_fixture("normal_user")
+
+      assert {:ok, approved} = Membership.approve_join_request(request.id, actor: user)
+      assert approved.status == :approved
+
+      assert member_count() == count_before + 1
+
+      request_email = request.email
+      [member] =
+        Member
+        |> Ash.Query.filter(expr(^ref(:email) == ^request_email))
+        |> Ash.read!(actor: SystemActor.get_system_actor(), domain: Membership)
+
+      assert member.email == request.email
+      assert member.first_name == request.first_name
+      assert member.last_name == request.last_name
+    end
+
+    test "approve does not create a User (MVP)" do
+      request = Fixtures.submitted_join_request_fixture()
+      user = Fixtures.user_with_role_fixture("normal_user")
+
+      assert {:ok, _} = Membership.approve_join_request(request.id, actor: user)
+
+      # No User should exist with this email from the approval flow
+      request_email = request.email
+      users_with_email =
+        Mv.Accounts.User
+        |> Ash.Query.filter(expr(^ref(:email) == ^request_email))
+        |> Ash.read!(authorize?: false)
+
+      assert users_with_email == []
+    end
+  end
+
+  describe "reject_join_request/2" do
+    test "reject does not create a member" do
+      request = Fixtures.submitted_join_request_fixture()
+      count_before = member_count()
+      user = Fixtures.user_with_role_fixture("normal_user")
+
+      assert {:ok, rejected} = Membership.reject_join_request(request.id, actor: user)
+      assert rejected.status == :rejected
+      assert rejected.rejected_at != nil
+
+      assert member_count() == count_before
+    end
+  end
+
+  describe "approve_join_request/2 – status and idempotency" do
+    test "approve when status is already approved is idempotent or returns error" do
+      request = Fixtures.submitted_join_request_fixture()
+      user = Fixtures.user_with_role_fixture("normal_user")
+
+      assert {:ok, _} = Membership.approve_join_request(request.id, actor: user)
+      count_after_first = member_count()
+
+      # Second approve: either {:ok, request} with no duplicate member, or {:error, _}
+      result = Membership.approve_join_request(request.id, actor: user)
+
+      if match?({:ok, _}, result) do
+        assert member_count() == count_after_first
+      else
+        assert {:error, _} = result
+      end
+    end
+
+    test "approve when status is pending_confirmation returns error" do
+      token = "pending-token-#{System.unique_integer([:positive])}"
+      attrs = %{
+        email: "pending#{System.unique_integer([:positive])}@example.com",
+        confirmation_token: token
+      }
+      {:ok, request} = Membership.submit_join_request(attrs, actor: nil)
+      assert request.status == :pending_confirmation
+
+      user = Fixtures.user_with_role_fixture("normal_user")
+      assert {:error, _} = Membership.approve_join_request(request.id, actor: user)
+    end
+
+    test "approve when status is rejected returns error" do
+      request = Fixtures.submitted_join_request_fixture()
+      user = Fixtures.user_with_role_fixture("normal_user")
+      assert {:ok, _} = Membership.reject_join_request(request.id, actor: user)
+
+      assert {:error, _} = Membership.approve_join_request(request.id, actor: user)
+    end
+  end
+
+  describe "approve_join_request/2 – defaults" do
+    test "created member has join_date and membership_fee_type when not in form_data" do
+      request = Fixtures.submitted_join_request_fixture()
+      user = Fixtures.user_with_role_fixture("normal_user")
+
+      assert {:ok, _} = Membership.approve_join_request(request.id, actor: user)
+
+      request_email = request.email
+      [member] =
+        Member
+        |> Ash.Query.filter(expr(^ref(:email) == ^request_email))
+        |> Ash.read!(actor: SystemActor.get_system_actor(), domain: Membership)
+
+      assert member.join_date != nil
+      assert member.membership_fee_type_id != nil
+    end
+  end
+end