mitgliederverwaltung/docs/page-permission-route-coverage.md
Moritz f66cd2933a
docs: add page permission route and test coverage
- page-permission-route-coverage.md: route matrix, test coverage per role,
  reserved segments.
2026-01-30 00:00:33 +01:00

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# Page Permission Route and Test Coverage
This document lists all protected routes, which permission set may access them, and how they are covered by tests.
## Protected Routes (Router scope with CheckPagePermission in :browser)
| Route | own_data | read_only | normal_user | admin |
|-------|----------|-----------|-------------|-------|
| `/` | ✗ | ✓ | ✓ | ✓ |
| `/members` | ✗ | ✓ | ✓ | ✓ |
| `/members/new` | ✗ | ✗ | ✓ | ✓ |
| `/members/:id` | ✓ (linked only) | ✓ | ✓ | ✓ |
| `/members/:id/edit` | ✗ | ✗ | ✓ | ✓ |
| `/members/:id/show/edit` | ✗ | ✗ | ✓ | ✓ |
| `/users` | ✗ | ✗ | ✗ | ✓ |
| `/users/new` | ✗ | ✗ | ✗ | ✓ |
| `/users/:id` | ✓ (own only) | ✗ | ✗ | ✓ |
| `/users/:id/edit` | ✗ | ✗ | ✗ | ✓ |
| `/users/:id/show/edit` | ✗ | ✗ | ✗ | ✓ |
| `/settings` | ✗ | ✗ | ✗ | ✓ |
| `/membership_fee_settings` | ✗ | ✗ | ✗ | ✓ |
| `/membership_fee_types` | ✗ | ✗ | ✗ | ✓ |
| `/membership_fee_types/new` | ✗ | ✗ | ✗ | ✓ |
| `/membership_fee_types/:id/edit` | ✗ | ✗ | ✗ | ✓ |
| `/groups` | ✗ | ✓ | ✓ | ✓ |
| `/groups/new` | ✗ | ✗ | ✗ | ✓ |
| `/groups/:slug` | ✗ | ✓ | ✓ | ✓ |
| `/groups/:slug/edit` | ✗ | ✗ | ✗ | ✓ |
| `/admin/roles` | ✗ | ✗ | ✗ | ✓ |
| `/admin/roles/new` | ✗ | ✗ | ✗ | ✓ |
| `/admin/roles/:id` | ✗ | ✗ | ✗ | ✓ |
| `/admin/roles/:id/edit` | ✗ | ✗ | ✗ | ✓ |
**Note:** Permission sets define `/custom_field_values` and related paths, but there are no such routes in the router; those entries are for future use.
## Public Paths (no permission check)
- `/auth*`, `/register`, `/reset`, `/sign-in`, `/sign-out`, `/confirm*`, `/password-reset*`, `/set_locale`
## Test Coverage
**File:** `test/mv_web/plugs/check_page_permission_test.exs`
### Unit tests (plug called directly with mock conn)
- Static: own_data denied `/members`; read_only allowed `/members`; flash on denial.
- Dynamic: read_only allowed `/members/123`; normal_user allowed `/members/456/edit`; read_only denied `/members/123/edit`.
- read_only / normal_user: denied `/admin/roles`; read_only denied `/members/new`.
- Wildcard: admin allowed `/admin/roles`, `/members/999/edit`.
- Unauthenticated: nil user denied, redirect `/sign-in`.
- Public: unauthenticated allowed `/auth/sign-in`, `/register`.
- Error: no role, invalid permission_set_name → denied.
### Integration tests (full router, Mitglied = own_data)
**Denied (Mitglied gets 302 → `/users/:id`):**
- `/members`, `/members/new`, `/users`, `/users/new`, `/settings`, `/membership_fee_settings`, `/membership_fee_types`, `/membership_fee_types/new`, `/groups`, `/groups/new`, `/admin/roles`, `/admin/roles/new`
- `/members/:id/edit`, `/members/:id/show/edit`, `/users/:id` (other user), `/users/:id/edit` (other), `/users/:id/show/edit` (other), `/membership_fee_types/:id/edit`, `/groups/:slug`, `/admin/roles/:id`, `/admin/roles/:id/edit`
**Allowed (Mitglied gets 200):**
- `/users/:id` (own profile), `/users/:id/edit`, `/users/:id/show/edit`
- `/members/:id`, `/members/:id/edit`, `/members/:id/show/edit` for linked member (plug unit tests; full-router tests for linked member skipped: session/LiveView constraints)
**Root:** `GET /` redirects Mitglied to profile (root not allowed for own_data).
All protected routes above are either covered by integration “denied” tests for Mitglied or by unit tests for the relevant permission set.
### Integration tests (full router, read_only = Vorstand/Buchhaltung)
**Allowed (200):** `/`, `/members`, `/members/:id`, `/groups`, `/groups/:slug`.
**Denied (302 → `/users/:id`):** `/members/new`, `/members/:id/edit`, `/users`, `/users/new`, `/settings`, `/membership_fee_settings`, `/membership_fee_types`, `/groups/new`, `/groups/:slug/edit`, `/admin/roles`, `/admin/roles/:id`.
### Integration tests (full router, normal_user = Kassenwart)
**Allowed (200):** `/`, `/members`, `/members/new`, `/members/:id`, `/members/:id/edit`, `/groups`, `/groups/:slug`.
**Denied (302 → `/users/:id`):** `/users`, `/users/new`, `/users/:id` (other user), `/settings`, `/membership_fee_settings`, `/membership_fee_types`, `/groups/new`, `/groups/:slug/edit`, `/admin/roles`, `/admin/roles/:id`.
### Integration tests (full router, admin)
**Allowed (200):** All protected routes (sample covered: `/`, `/members`, `/users`, `/settings`, `/membership_fee_settings`, `/admin/roles`, `/members/:id`, `/admin/roles/:id`, `/groups/:slug`).
## Plug behaviour: reserved segments
The plug treats `"new"` as a reserved path segment so that patterns like `/members/:id` and `/groups/:slug` do not match `/members/new` or `/groups/new`. Thus `/groups/new` is only allowed when the permission set explicitly lists `/groups/new` (currently only admin).