test: add LiveView tests for member linking UI (#168)

test/mv_web/user_live/form_test.exs

@@ -281,4 +281,101 @@ defmodule MvWeb.UserLive.FormTest do
       assert edit_html =~ "Change Password"
     end
   end
+
+  describe "member linking - display" do
+    test "shows linked member with unlink button when user has member", %{conn: conn} do
+      # Create member
+      {:ok, member} =
+        Mv.Membership.create_member(%{
+          first_name: "John",
+          last_name: "Doe",
+          email: "john@example.com"
+        })
+
+      # Create user linked to member
+      user = create_test_user(%{email: "user@example.com"})
+      {:ok, _updated_user} = Mv.Accounts.update_user(user, %{member: %{id: member.id}})
+
+      # Load form
+      {:ok, view, html} = setup_live_view(conn, "/users/#{user.id}/edit")
+
+      # Should show linked member section
+      assert html =~ "Linked Member"
+      assert html =~ "John Doe"
+      assert html =~ "user@example.com"
+      assert has_element?(view, "button[phx-click='unlink_member']")
+      assert html =~ "Unlink Member"
+    end
+
+    test "shows member search field when user has no member", %{conn: conn} do
+      user = create_test_user(%{email: "user@example.com"})
+      {:ok, view, html} = setup_live_view(conn, "/users/#{user.id}/edit")
+
+      # Should show member search section
+      assert html =~ "Linked Member"
+      assert has_element?(view, "input[phx-change='search_members']")
+      # Should not show unlink button
+      refute has_element?(view, "button[phx-click='unlink_member']")
+    end
+  end
+
+  describe "member linking - workflow" do
+    test "selecting member and saving links member to user", %{conn: conn} do
+      # Create unlinked member
+      {:ok, member} =
+        Mv.Membership.create_member(%{
+          first_name: "Jane",
+          last_name: "Smith",
+          email: "jane@example.com"
+        })
+
+      # Create user without member
+      user = create_test_user(%{email: "user@example.com"})
+      {:ok, view, _html} = setup_live_view(conn, "/users/#{user.id}/edit")
+
+      # Select member
+      view |> element("div[data-member-id='#{member.id}']") |> render_click()
+
+      # Submit form
+      view
+      |> form("#user-form", user: %{email: "user@example.com"})
+      |> render_submit()
+
+      assert_redirected(view, "/users")
+
+      # Verify member is linked
+      updated_user = Ash.get!(Mv.Accounts.User, user.id, domain: Mv.Accounts, load: [:member])
+      assert updated_user.member.id == member.id
+    end
+
+    test "unlinking member and saving removes member from user", %{conn: conn} do
+      # Create member
+      {:ok, member} =
+        Mv.Membership.create_member(%{
+          first_name: "Bob",
+          last_name: "Wilson",
+          email: "bob@example.com"
+        })
+
+      # Create user linked to member
+      user = create_test_user(%{email: "user@example.com"})
+      {:ok, _} = Mv.Accounts.update_user(user, %{member: %{id: member.id}})
+
+      {:ok, view, _html} = setup_live_view(conn, "/users/#{user.id}/edit")
+
+      # Click unlink button
+      view |> element("button[phx-click='unlink_member']") |> render_click()
+
+      # Submit form
+      view
+      |> form("#user-form", user: %{email: "user@example.com"})
+      |> render_submit()
+
+      assert_redirected(view, "/users")
+
+      # Verify member is unlinked
+      updated_user = Ash.get!(Mv.Accounts.User, user.id, domain: Mv.Accounts, load: [:member])
+      assert is_nil(updated_user.member)
+    end
+  end
 end