mitgliederverwaltung/test/membership/group_database_constraints_test.exs
Simon 0216dfcbbb
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test: add tests for group resource #371
2026-01-27 15:04:26 +01:00

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5.2 KiB
Elixir

defmodule Mv.Membership.GroupDatabaseConstraintsTest do
@moduledoc """
Tests for database-level constraints (unique, foreign keys, CASCADE).
These tests verify that constraints are enforced at the database level, not just application level.
"""
use Mv.DataCase, async: false
alias Mv.Membership
require Ash.Query
import Ash.Expr
setup do
system_actor = Mv.Helpers.SystemActor.get_system_actor()
%{actor: system_actor}
end
describe "Unique Constraints" do
test "database enforces unique name constraint (case-insensitive via LOWER)", %{actor: actor} do
{:ok, _group1} = Membership.create_group(%{name: "Test Group"}, actor: actor)
# Try to create with same name, different case - should fail at DB level
assert {:error, %Ash.Error.Invalid{errors: errors}} =
Membership.create_group(%{name: "TEST GROUP"}, actor: actor)
assert Enum.any?(errors, fn err ->
err.field == :name and
(String.contains?(err.message, "already been taken") or
String.contains?(err.message, "already exists") or
String.contains?(err.message, "duplicate"))
end)
end
test "database enforces unique slug constraint (case-sensitive)", %{actor: actor} do
{:ok, _group1} = Membership.create_group(%{name: "Test Group"}, actor: actor)
# Try to create with name that generates same slug - should fail at DB level
assert {:error, %Ash.Error.Invalid{errors: errors}} =
Membership.create_group(%{name: "test-group"}, actor: actor)
assert Enum.any?(errors, fn err ->
(err.field == :slug or err.field == :name) and
(String.contains?(err.message, "already been taken") or
String.contains?(err.message, "already exists") or
String.contains?(err.message, "duplicate"))
end)
end
end
describe "Foreign Key Constraints" do
test "cannot create MemberGroup with non-existent member_id", %{actor: actor} do
{:ok, group} = Membership.create_group(%{name: "Test Group"}, actor: actor)
fake_member_id = Ash.UUID.generate()
assert {:error, %Ash.Error.Invalid{errors: errors}} =
Membership.create_member_group(%{member_id: fake_member_id, group_id: group.id},
actor: actor
)
assert Enum.any?(errors, fn err ->
(err.field == :member_id or err.field == :member) and
(String.contains?(err.message, "does not exist") or
String.contains?(err.message, "not found") or
String.contains?(err.message, "foreign key"))
end)
end
test "cannot create MemberGroup with non-existent group_id", %{actor: actor} do
{:ok, member} = Membership.create_member(%{email: "test@test.com"}, actor: actor)
fake_group_id = Ash.UUID.generate()
assert {:error, %Ash.Error.Invalid{errors: errors}} =
Membership.create_member_group(%{member_id: member.id, group_id: fake_group_id},
actor: actor
)
assert Enum.any?(errors, fn err ->
(err.field == :group_id or err.field == :group) and
(String.contains?(err.message, "does not exist") or
String.contains?(err.message, "not found") or
String.contains?(err.message, "foreign key"))
end)
end
end
describe "CASCADE Delete Constraints" do
test "deleting member cascades to member_groups (verified at DB level)", %{actor: actor} do
{:ok, member} = Membership.create_member(%{email: "test@test.com"}, actor: actor)
{:ok, group} = Membership.create_group(%{name: "Test Group"}, actor: actor)
{:ok, member_group} =
Membership.create_member_group(%{member_id: member.id, group_id: group.id},
actor: actor
)
# Verify association exists
assert member_group.member_id == member.id
# Delete member
:ok = Membership.destroy_member(member, actor: actor)
# Verify MemberGroup is deleted at DB level (CASCADE)
{:ok, mgs} =
Ash.read(
Mv.Membership.MemberGroup
|> Ash.Query.filter(expr(id == ^member_group.id)),
actor: actor,
domain: Mv.Membership
)
assert mgs == []
end
test "deleting group cascades to member_groups (verified at DB level)", %{actor: actor} do
{:ok, member} = Membership.create_member(%{email: "test@test.com"}, actor: actor)
{:ok, group} = Membership.create_group(%{name: "Test Group"}, actor: actor)
{:ok, member_group} =
Membership.create_member_group(%{member_id: member.id, group_id: group.id},
actor: actor
)
# Verify association exists
assert member_group.group_id == group.id
# Delete group
:ok = Membership.destroy_group(group, actor: actor)
# Verify MemberGroup is deleted at DB level (CASCADE)
{:ok, mgs} =
Ash.read(
Mv.Membership.MemberGroup
|> Ash.Query.filter(expr(id == ^member_group.id)),
actor: actor,
domain: Mv.Membership
)
assert mgs == []
end
end
end