88 lines
3 KiB
Elixir
88 lines
3 KiB
Elixir
defmodule Mv.Accounts.UserMemberDeletionTest do
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@moduledoc """
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Tests for ON DELETE SET NULL constraint on users.member_id.
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When a member is deleted, the linked user should remain but with member_id set to NULL.
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"""
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use Mv.DataCase, async: true
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alias Mv.Accounts
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alias Mv.Membership
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describe "User remains when linked Member is deleted (ON DELETE SET NULL)" do
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@valid_user_attrs %{
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email: "test@example.com"
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}
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@valid_member_attrs %{
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first_name: "John",
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last_name: "Doe",
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email: "john@example.com"
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}
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test "deleting a member sets the user's member_id to NULL" do
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# Create a member
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{:ok, member} = Membership.create_member(@valid_member_attrs)
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# Create a user linked to the member
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{:ok, user} =
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Accounts.create_user(Map.put(@valid_user_attrs, :member, %{id: member.id}))
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# Verify the relationship is established
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{:ok, user_before_delete} = Ash.get(Mv.Accounts.User, user.id, load: [:member])
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assert user_before_delete.member_id == member.id
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assert user_before_delete.member.id == member.id
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# Delete the member
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:ok = Membership.destroy_member(member)
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# Verify the user still exists but member_id is NULL
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{:ok, user_after_delete} = Ash.get(Mv.Accounts.User, user.id, load: [:member])
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assert user_after_delete.id == user.id
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assert user_after_delete.member_id == nil
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assert user_after_delete.member == nil
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end
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test "user can be linked to a new member after old member is deleted" do
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# Create first member
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{:ok, member1} = Membership.create_member(@valid_member_attrs)
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# Create user linked to first member
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{:ok, user} =
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Accounts.create_user(Map.put(@valid_user_attrs, :member, %{id: member1.id}))
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assert user.member_id == member1.id
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# Delete first member
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:ok = Membership.destroy_member(member1)
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# Reload user from database to get updated member_id (should be NULL)
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{:ok, user_after_delete} = Ash.get(Mv.Accounts.User, user.id)
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assert user_after_delete.member_id == nil
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# Create second member
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{:ok, member2} =
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Membership.create_member(%{
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first_name: "Jane",
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last_name: "Smith",
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email: "jane@example.com"
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})
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# Link user to second member (use reloaded user)
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{:ok, updated_user} = Accounts.update_user(user_after_delete, %{member: %{id: member2.id}})
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# Verify new relationship
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{:ok, final_user} = Ash.get(Mv.Accounts.User, updated_user.id, load: [:member])
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assert final_user.member_id == member2.id
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assert final_user.member.id == member2.id
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end
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test "member without linked user can be deleted normally" do
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{:ok, member} = Membership.create_member(@valid_member_attrs)
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# Delete member (no users linked)
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assert :ok = Membership.destroy_member(member)
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# Verify member is deleted
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assert {:error, _} = Ash.get(Mv.Membership.Member, member.id)
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end
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end
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end
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