Implement ticket links and blocker state

tests/Feature/Projects/ProjectTicketMetadataSettingsControllerTest.php

@@ -5,6 +5,7 @@ namespace Tests\Feature\Projects;
 use App\Actions\ProjectPermissions\ProjectPermissionService;
 use App\Models\Project;
 use App\Models\TicketFieldDefinition;
+use App\Models\TicketLinkType;
 use App\Models\TicketPriority;
 use App\Models\TicketType;
 use App\Models\User;
@@ -27,6 +28,10 @@ class ProjectTicketMetadataSettingsControllerTest extends TestCase
             'name' => 'Bug',
             'position' => 3,
         ]);
+        TicketLinkType::factory()->for($project)->create([
+            'label' => 'Relates to',
+            'position' => 1,
+        ]);
 
         app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit']);
 
@@ -37,7 +42,8 @@ class ProjectTicketMetadataSettingsControllerTest extends TestCase
                 ->component('projects/settings/Metadata')
                 ->where('ticketTypes.0.name', 'Task')
                 ->where('ticketTypes.1.name', 'Parent')
-                ->where('ticketTypes.2.name', 'Bug'),
+                ->where('ticketTypes.2.name', 'Bug')
+                ->where('ticketLinkTypes.0.label', 'Relates to'),
             );
     }
 
@@ -208,4 +214,43 @@ class ProjectTicketMetadataSettingsControllerTest extends TestCase
             ->assertSessionHasErrors('field_type')
             ->assertRedirect(route('projects.settings.metadata', $project));
     }
+
+    /**
+     * Ensure users with edit permission can manage ticket link types.
+     */
+    public function test_users_with_edit_permission_can_manage_ticket_link_types(): void
+    {
+        $user = User::factory()->create();
+        $project = Project::factory()->create();
+        $ticketLinkType = TicketLinkType::factory()->for($project)->create([
+            'label' => 'Relates to',
+            'position' => 1,
+        ]);
+
+        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit']);
+
+        $this->actingAs($user)
+            ->post(route('projects.settings.metadata.link-types.store', $project), [
+                'name' => 'Blocks',
+            ])
+            ->assertRedirect(route('projects.settings.metadata', $project))
+            ->assertSessionHas('status', 'Blocks link type was added.');
+
+        $this->actingAs($user)
+            ->patch(route('projects.settings.metadata.link-types.update', [$project, $ticketLinkType]), [
+                'name' => 'Depends on',
+                'position' => 2,
+            ])
+            ->assertRedirect(route('projects.settings.metadata', $project))
+            ->assertSessionHas('status', 'Depends on link type was updated.');
+
+        $this->actingAs($user)
+            ->delete(route('projects.settings.metadata.link-types.destroy', [$project, $ticketLinkType]))
+            ->assertRedirect(route('projects.settings.metadata', $project))
+            ->assertSessionHas('status', 'Depends on link type was removed.');
+
+        $this->assertDatabaseMissing('ticket_link_types', [
+            'id' => $ticketLinkType->id,
+        ]);
+    }
 }