diff --git a/resources/lang/de_DE/additional.po b/resources/lang/de_DE/additional.po
index eda8a898..d8266521 100644
--- a/resources/lang/de_DE/additional.po
+++ b/resources/lang/de_DE/additional.po
@@ -85,9 +85,6 @@ msgstr "Das Programm konnte nicht abgerufen werden."
 msgid "schedule.import.read-error"
 msgstr "Das Programm konnte nicht gelesen werden."
 
-msgid "schedule.import.invalid-shift-type"
-msgstr "Der Schichttyp konnte nicht gefunden werden."
-
 msgid "schedule.import.success"
 msgstr "Das Programm wurde erfolgreich importiert."
 
diff --git a/resources/lang/en_US/additional.po b/resources/lang/en_US/additional.po
index 441b94ff..66dcc284 100644
--- a/resources/lang/en_US/additional.po
+++ b/resources/lang/en_US/additional.po
@@ -83,9 +83,6 @@ msgstr "The schedule could not be requested."
 msgid "schedule.import.read-error"
 msgstr "Unable to parse schedule."
 
-msgid "schedule.import.invalid-shift-type"
-msgstr "The shift type can't not be found."
-
 msgid "schedule.import.success"
 msgstr "Schedule import successful."
 
diff --git a/src/Controllers/Admin/ScheduleController.php b/src/Controllers/Admin/ScheduleController.php
index 9ac6702d..0d53631e 100644
--- a/src/Controllers/Admin/ScheduleController.php
+++ b/src/Controllers/Admin/ScheduleController.php
@@ -52,7 +52,7 @@ class ScheduleController extends BaseController
     public function index(): Response
     {
         return $this->response->withView(
-            'admin/schedule/index.twig',
+            'admin/schedule/index',
             [
                 'is_index' => true,
                 'schedules' => ScheduleModel::all(),
@@ -63,10 +63,10 @@ class ScheduleController extends BaseController
     public function edit(Request $request): Response
     {
         $scheduleId = $request->getAttribute('schedule_id'); // optional
-        $schedule = ScheduleModel::find($scheduleId);
+        $schedule = ScheduleModel::findOrNew($scheduleId);
 
         return $this->response->withView(
-            'admin/schedule/edit.twig',
+            'admin/schedule/edit',
             [
                 'schedule' => $schedule,
                 'shift_types' => ShiftType::all()->sortBy('name')->pluck('name', 'id'),
@@ -75,9 +75,6 @@ class ScheduleController extends BaseController
         );
     }
 
-    /**
-     * @throws ErrorException
-     */
     public function save(Request $request): Response
     {
         $scheduleId = $request->getAttribute('schedule_id'); // optional
@@ -103,10 +100,7 @@ class ScheduleController extends BaseController
             'minutes_before' => 'int',
             'minutes_after' => 'int',
         ] + $locationsValidation);
-
-        if (!ShiftType::find($data['shift_type'])) {
-            throw new ErrorException('schedule.import.invalid-shift-type');
-        }
+        ShiftType::findOrFail($data['shift_type']);
 
         $schedule->name = $data['name'];
         $schedule->url = $data['url'];
@@ -205,7 +199,7 @@ class ScheduleController extends BaseController
         }
 
         return $this->response->withView(
-            'admin/schedule/load.twig',
+            'admin/schedule/load',
             [
                 'schedule_id' => $scheduleModel->id,
                 'schedule' => $schedule,
@@ -294,7 +288,7 @@ class ScheduleController extends BaseController
         $this->log->info('Created schedule location "{location}"', ['location' => $room->getName()]);
     }
 
-    protected function fireDeleteShiftEntryEvents(Event $event, ScheduleUrl $schedule): void
+    protected function fireDeleteShiftEntryEvents(Event $event, ScheduleModel $schedule): void
     {
         $shiftEntries = $this->db
             ->table('shift_entries')
@@ -325,7 +319,7 @@ class ScheduleController extends BaseController
         }
     }
 
-    protected function createEvent(Event $event, int $shiftTypeId, Location $location, ScheduleModel $scheduleUrl): void
+    protected function createEvent(Event $event, int $shiftTypeId, Location $location, ScheduleModel $schedule): void
     {
         $user = auth()->user();
         $eventTimeZone = Carbon::now()->timezone;
@@ -337,17 +331,17 @@ class ScheduleController extends BaseController
         $shift->end = $event->getEndDate()->copy()->timezone($eventTimeZone);
         $shift->location()->associate($location);
         $shift->url = $event->getUrl() ?? '';
-        $shift->transaction_id = Uuid::uuidBy($scheduleUrl->id, '5c4ed01e');
+        $shift->transaction_id = Uuid::uuidBy($schedule->id, '5c4ed01e');
         $shift->createdBy()->associate($user);
         $shift->save();
 
         $scheduleShift = new ScheduleShift(['guid' => $event->getGuid()]);
-        $scheduleShift->schedule()->associate($scheduleUrl);
+        $scheduleShift->schedule()->associate($schedule);
         $scheduleShift->shift()->associate($shift);
         $scheduleShift->save();
 
         $this->log->info(
-            'Created schedule shift "{shift}" in "{location}" ({from} {to}, {guid})',
+            'Created schedule shift "{shift}" in "{location}" ({from} - {to}, {guid})',
             [
                 'shift' => $shift->title,
                 'location' => $shift->location->name,
@@ -358,7 +352,7 @@ class ScheduleController extends BaseController
         );
     }
 
-    protected function updateEvent(Event $event, int $shiftTypeId, Location $location, ScheduleUrl $schedule): void
+    protected function updateEvent(Event $event, int $shiftTypeId, Location $location, ScheduleModel $schedule): void
     {
         $user = auth()->user();
         $eventTimeZone = Carbon::now()->timezone;
@@ -390,15 +384,15 @@ class ScheduleController extends BaseController
         );
     }
 
-    protected function deleteEvent(Event $event, ScheduleUrl $schedule): void
+    protected function deleteEvent(Event $event, ScheduleModel $schedule): void
     {
         /** @var ScheduleShift $scheduleShift */
         $scheduleShift = ScheduleShift::whereGuid($event->getGuid())->where('schedule_id', $schedule->id)->first();
         $shift = $scheduleShift->shift;
-        $shift->delete();
-        $scheduleShift->delete();
 
         $this->fireDeleteShiftEntryEvents($event, $schedule);
+        $shift->delete();
+        $scheduleShift->delete();
 
         $this->log->info(
             'Deleted schedule shift "{shift}" in {location} ({from} {to}, {guid})',
@@ -428,32 +422,38 @@ class ScheduleController extends BaseController
     {
         $scheduleId = (int) $request->getAttribute('schedule_id');
 
-        /** @var ScheduleModel $scheduleUrl */
-        $scheduleUrl = ScheduleModel::findOrFail($scheduleId);
+        /** @var ScheduleModel $scheduleModel */
+        $scheduleModel = ScheduleModel::findOrFail($scheduleId);
 
         try {
-            $scheduleResponse = $this->guzzle->get($scheduleUrl->url);
-        } catch (ConnectException | GuzzleException) {
+            $scheduleResponse = $this->guzzle->get($scheduleModel->url);
+        } catch (ConnectException | GuzzleException $e) {
+            $this->log->error('Exception during schedule request', ['exception' => $e]);
             throw new ErrorException('schedule.import.request-error');
         }
 
         if ($scheduleResponse->getStatusCode() != 200) {
+            $this->log->warning(
+                'Problem during schedule request, got code {code}',
+                ['code' => $scheduleResponse->getStatusCode()]
+            );
             throw new ErrorException('schedule.import.request-error');
         }
 
         $scheduleData = (string) $scheduleResponse->getBody();
         if (!$this->parser->load($scheduleData)) {
+            $this->log->warning('Problem during schedule parsing');
             throw new ErrorException('schedule.import.read-error');
         }
 
-        $shiftType = $scheduleUrl->shift_type;
+        $shiftType = $scheduleModel->shift_type;
         $schedule = $this->parser->getSchedule();
-        $minutesBefore = $scheduleUrl->minutes_before;
-        $minutesAfter = $scheduleUrl->minutes_after;
+        $minutesBefore = $scheduleModel->minutes_before;
+        $minutesAfter = $scheduleModel->minutes_after;
         $newRooms = $this->newRooms($schedule->getRooms());
         return array_merge(
-            $this->shiftsDiff($schedule, $scheduleUrl, $shiftType, $minutesBefore, $minutesAfter),
-            [$newRooms, $shiftType, $scheduleUrl, $schedule, $minutesBefore, $minutesAfter]
+            $this->shiftsDiff($schedule, $scheduleModel, $shiftType, $minutesBefore, $minutesAfter),
+            [$newRooms, $shiftType, $scheduleModel, $schedule, $minutesBefore, $minutesAfter]
         );
     }
 
@@ -482,7 +482,7 @@ class ScheduleController extends BaseController
      */
     protected function shiftsDiff(
         Schedule $schedule,
-        ScheduleModel $scheduleUrl,
+        ScheduleModel $scheduleModel,
         int $shiftType,
         int $minutesBefore,
         int $minutesAfter
@@ -500,7 +500,7 @@ class ScheduleController extends BaseController
 
         foreach ($schedule->getDay() as $day) {
             foreach ($day->getRoom() as $room) {
-                if (!$scheduleUrl->activeLocations->where('name', $room->getName())->count()) {
+                if (!$scheduleModel->activeLocations->where('name', $room->getName())->count()) {
                     continue;
                 }
 
@@ -519,7 +519,7 @@ class ScheduleController extends BaseController
         }
 
         $scheduleEventsGuidList = array_keys($scheduleEvents);
-        $existingShifts = $this->getScheduleShiftsByGuid($scheduleUrl, $scheduleEventsGuidList);
+        $existingShifts = $this->getScheduleShiftsByGuid($scheduleModel, $scheduleEventsGuidList);
         foreach ($existingShifts as $scheduleShift) {
             $guid = $scheduleShift->guid;
             $shift = $scheduleShift->shift;
@@ -545,7 +545,7 @@ class ScheduleController extends BaseController
             $newEvents[$scheduleEvent->getGuid()] = $scheduleEvent;
         }
 
-        $scheduleShifts = $this->getScheduleShiftsWhereNotGuid($scheduleUrl, $scheduleEventsGuidList);
+        $scheduleShifts = $this->getScheduleShiftsWhereNotGuid($scheduleModel, $scheduleEventsGuidList);
         foreach ($scheduleShifts as $scheduleShift) {
             $event = $this->eventFromScheduleShift($scheduleShift);
             $deleteEvents[$event->getGuid()] = $event;
@@ -588,11 +588,11 @@ class ScheduleController extends BaseController
      *
      * @return Collection|ScheduleShift[]
      */
-    protected function getScheduleShiftsByGuid(ScheduleModel $scheduleUrl, array $events): Collection | array
+    protected function getScheduleShiftsByGuid(ScheduleModel $schedule, array $events): Collection | array
     {
         return ScheduleShift::with('shift.location')
             ->whereIn('guid', $events)
-            ->where('schedule_id', $scheduleUrl->id)
+            ->where('schedule_id', $schedule->id)
             ->get();
     }
 
@@ -600,11 +600,11 @@ class ScheduleController extends BaseController
      * @param string[] $events
      * @return Collection|ScheduleShift[]
      */
-    protected function getScheduleShiftsWhereNotGuid(ScheduleModel $scheduleUrl, array $events): Collection | array
+    protected function getScheduleShiftsWhereNotGuid(ScheduleModel $schedule, array $events): Collection | array
     {
         return ScheduleShift::with('shift.location')
             ->whereNotIn('guid', $events)
-            ->where('schedule_id', $scheduleUrl->id)
+            ->where('schedule_id', $schedule->id)
             ->get();
     }
 }
diff --git a/tests/Unit/Controllers/Admin/ScheduleControllerTest.php b/tests/Unit/Controllers/Admin/ScheduleControllerTest.php
new file mode 100644
index 00000000..ad45f9fc
--- /dev/null
+++ b/tests/Unit/Controllers/Admin/ScheduleControllerTest.php
@@ -0,0 +1,511 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Engelsystem\Test\Unit\Controllers\Admin;
+
+use Engelsystem\Controllers\Admin\ScheduleController;
+use Engelsystem\Controllers\HasUserNotifications;
+use Engelsystem\Controllers\NotificationType;
+use Engelsystem\Events\EventDispatcher;
+use Engelsystem\Helpers\Authenticator;
+use Engelsystem\Helpers\Schedule\Event as EventData;
+use Engelsystem\Helpers\Schedule\Room as RoomData;
+use Engelsystem\Helpers\Schedule\Schedule as ScheduleData;
+use Engelsystem\Helpers\Uuid;
+use Engelsystem\Http\Redirector;
+use Engelsystem\Http\Request;
+use Engelsystem\Http\Response;
+use Engelsystem\Http\Validation\Validator;
+use Engelsystem\Models\AngelType;
+use Engelsystem\Models\Location;
+use Engelsystem\Models\Shifts\Schedule;
+use Engelsystem\Models\Shifts\ScheduleShift;
+use Engelsystem\Models\Shifts\Shift;
+use Engelsystem\Models\Shifts\ShiftEntry;
+use Engelsystem\Models\Shifts\ShiftType;
+use Engelsystem\Models\User\User;
+use Engelsystem\Test\Unit\Controllers\ControllerTest;
+use Engelsystem\Test\Unit\HasDatabase;
+use GuzzleHttp\Client;
+use GuzzleHttp\Exception\RequestException;
+use GuzzleHttp\Handler\MockHandler;
+use GuzzleHttp\HandlerStack;
+use Illuminate\Database\Eloquent\ModelNotFoundException;
+use PHPUnit\Framework\MockObject\MockObject;
+
+class ScheduleControllerTest extends ControllerTest
+{
+    use HasDatabase;
+    use HasUserNotifications;
+
+    protected AngelType $angelType;
+    protected EventDispatcher | MockObject $event;
+    protected Location $location;
+    protected Shift $oldShift;
+    protected Redirector | MockObject $redirect;
+    protected Schedule $schedule;
+    protected string $scheduleFile = __DIR__ . '/../../Helpers/Schedule/Assets/schedule-multiple.xml';
+    protected ShiftType $shiftType;
+    protected User $user;
+    protected Validator $validator;
+
+    /**
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::index
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::__construct
+     */
+    public function testIndex(): void
+    {
+        $this->response->expects($this->once())
+            ->method('withView')
+            ->willReturnCallback(function (string $view, array $data) {
+                $this->assertEquals('admin/schedule/index', $view);
+                $this->assertArrayHasKey('schedules', $data);
+                /** @var Schedule[] $schedules */
+                $schedules = $data['schedules'];
+                $this->assertNotEmpty($schedules);
+                $this->assertEquals('Foo Schedule', $schedules[0]->name);
+                return $this->response;
+            });
+
+        /** @var ScheduleController $controller */
+        $controller = $this->app->make(ScheduleController::class);
+        $response = $controller->index();
+
+        $this->assertEquals($this->response, $response);
+    }
+
+    /**
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::edit
+     */
+    public function testEdit(): void
+    {
+        $this->response->expects($this->once())
+            ->method('withView')
+            ->willReturnCallback(function (string $view, array $data) {
+                $this->assertEquals('admin/schedule/edit', $view);
+                $this->assertArrayHasKey('schedule', $data);
+                /** @var Schedule $schedule */
+                $schedule = $data['schedule'];
+                $this->assertNotEmpty($schedule);
+                $this->assertEquals('Foo Schedule', $schedule->name);
+                return $this->response;
+            });
+
+        $request = $this->request->withAttribute('schedule_id', $this->schedule->id);
+
+        /** @var ScheduleController $controller */
+        $controller = $this->app->make(ScheduleController::class);
+        $response = $controller->edit($request);
+
+        $this->assertEquals($this->response, $response);
+    }
+
+    /**
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::save
+     */
+    public function testSaveNew(): void
+    {
+        $newId = $this->schedule->id + 1;
+        $this->setExpects($this->redirect, 'to', ['/admin/schedule/load/' . $newId], $this->response);
+
+        $request = Request::create('', 'POST', [
+            'name' => 'Name',
+            'url' => 'https://example.test/schedule.xml',
+            'shift_type' => $this->shiftType->id,
+            'location_' . $this->location->id => 1,
+            'minutes_before' => 20,
+            'minutes_after' => 25,
+        ]);
+
+        /** @var ScheduleController $controller */
+        $controller = $this->app->make(ScheduleController::class);
+        $controller->setValidator($this->validator);
+        $response = $controller->save($request);
+
+        $this->assertEquals($this->response, $response);
+        $schedule = Schedule::find($newId);
+        $this->assertNotNull($schedule);
+        $this->assertEquals('Name', $schedule->name);
+        $this->assertEquals('https://example.test/schedule.xml', $schedule->url);
+        $this->assertEquals($this->shiftType->id, $schedule->shift_type);
+        $this->assertEquals(20, $schedule->minutes_before);
+        $this->assertEquals(25, $schedule->minutes_after);
+        $this->assertCount(1, $schedule->activeLocations);
+        /** @var Location $location */
+        $location = $schedule->activeLocations->first();
+        $this->assertEquals($this->location->id, $location->id);
+
+        $this->assertHasNotification('schedule.edit.success');
+        $this->assertTrue($this->log->hasInfoThatContains('Schedule {name}'));
+    }
+
+    /**
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::save
+     */
+    public function testSaveEdit(): void
+    {
+        $this->setExpects($this->redirect, 'to', ['/admin/schedule/load/' . $this->schedule->id], $this->response);
+        $shiftType = ShiftType::factory()->create();
+
+        $request = Request::create('', 'POST', [
+            'name' => 'New name',
+            'url' => 'https://test.example/schedule.xml',
+            'shift_type' => $shiftType->id,
+            'minutes_before' => 10,
+            'minutes_after' => 5,
+        ])
+            ->withAttribute('schedule_id', $this->schedule->id);
+
+        /** @var ScheduleController $controller */
+        $controller = $this->app->make(ScheduleController::class);
+        $controller->setValidator($this->validator);
+        $response = $controller->save($request);
+
+        $this->assertEquals($this->response, $response);
+        $schedule = Schedule::find($this->schedule->id);
+        $this->assertNotNull($schedule);
+        $this->assertEquals('New name', $schedule->name);
+        $this->assertEquals('https://test.example/schedule.xml', $schedule->url);
+        $this->assertEquals($shiftType->id, $schedule->shift_type);
+        $this->assertEquals(10, $schedule->minutes_before);
+        $this->assertEquals(5, $schedule->minutes_after);
+
+        $this->assertHasNotification('schedule.edit.success');
+        $this->assertTrue($this->log->hasInfoThatContains('Schedule {name}'));
+    }
+
+    /**
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::save
+     */
+    public function testSaveInvalidShiftType(): void
+    {
+        $request = Request::create('', 'POST', [
+            'name' => 'Test',
+            'url' => 'https://test.example',
+            'shift_type' => 1337,
+            'minutes_before' => 0,
+            'minutes_after' => 0,
+        ]);
+
+        /** @var ScheduleController $controller */
+        $controller = $this->app->make(ScheduleController::class);
+        $controller->setValidator($this->validator);
+
+        $this->expectException(ModelNotFoundException::class);
+        $controller->save($request);
+    }
+
+    /**
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::save
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::delete
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::fireDeleteShiftEntryEvents
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::deleteEvent
+     */
+    public function testSaveDelete(): void
+    {
+        $this->setExpects($this->redirect, 'to', ['/admin/schedule'], $this->response);
+
+        $this->event->expects($this->exactly(2))
+            ->method('dispatch')
+            ->with('shift.entry.deleting')
+            ->willReturn([]);
+
+        $request = Request::create('', 'POST', ['delete' => 'yes'])
+            ->withAttribute('schedule_id', $this->schedule->id);
+
+        /** @var ScheduleController $controller */
+        $controller = $this->app->make(ScheduleController::class);
+        $response = $controller->save($request);
+
+        $this->assertEquals($this->response, $response);
+        $this->assertNull(Schedule::find($this->schedule->id));
+
+        $this->assertHasNotification('schedule.delete.success');
+        $this->assertTrue($this->log->hasInfoThatContains('Deleted schedule shift'));
+        $this->assertTrue($this->log->hasInfoThatContains('Schedule {name}'));
+    }
+
+    /**
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::loadSchedule
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::getScheduleData
+     */
+    public function testLoadSchedule(): void
+    {
+        $this->setScheduleResponses([new Response(file_get_contents($this->scheduleFile))]);
+
+        $this->response->expects($this->once())
+            ->method('withView')
+            ->willReturnCallback(function (string $view, array $data) {
+                $this->assertEquals('admin/schedule/load', $view);
+
+                $this->assertArrayHasKey('schedule', $data);
+                /** @var ScheduleData $scheduleData */
+                $scheduleData = $data['schedule'];
+                $this->assertInstanceOf(ScheduleData::class, $scheduleData);
+
+                $this->assertArrayHasKey('locations', $data);
+                $this->assertArrayHasKey('add', $data['locations']);
+                /** @var RoomData[] $roomData */
+                $roomData = $data['locations']['add'];
+                $this->assertNotEmpty($roomData);
+                $this->assertInstanceOf(RoomData::class, $roomData[0]);
+
+                $this->assertArrayHasKey('shifts', $data);
+                foreach (['add', 'update', 'delete'] as $type) {
+                    $this->assertArrayHasKey($type, $data['shifts']);
+                    /** @var EventData[] $eventData */
+                    $eventData = $data['shifts'][$type];
+                    $this->assertNotEmpty($eventData);
+                    $this->assertInstanceOf(EventData::class, $eventData[array_key_first($eventData)]);
+                }
+                return $this->response;
+            });
+
+        $request = Request::create('', 'POST')
+            ->withAttribute('schedule_id', $this->schedule->id);
+
+        /** @var ScheduleController $controller */
+        $controller = $this->app->make(ScheduleController::class);
+        $response = $controller->loadSchedule($request);
+
+        $this->assertEquals($this->response, $response);
+    }
+
+    public function loadScheduleErrorsData(): array
+    {
+        return [
+            // Server error
+            [new RequestException('Error Communicating with Server', new Request()), 'schedule.import.request-error'],
+            // Not found
+            [new Response('', 202), 'schedule.import.request-error', true],
+            // Decoding error
+            [new Response(''), 'schedule.import.read-error', true],
+        ];
+    }
+
+    /**
+     * @covers       \Engelsystem\Controllers\Admin\ScheduleController::loadSchedule
+     * @covers       \Engelsystem\Controllers\Admin\ScheduleController::getScheduleData
+     * @dataProvider loadScheduleErrorsData
+     */
+    public function testScheduleResponseErrors(object $request, string $notification, bool $logWarning = false): void
+    {
+        $this->setScheduleResponses([$request]);
+        $this->setExpects($this->redirect, 'back', null, $this->response);
+
+        $request = Request::create('', 'POST')
+            ->withAttribute('schedule_id', $this->schedule->id);
+
+        /** @var ScheduleController $controller */
+        $controller = $this->app->make(ScheduleController::class);
+        $response = $controller->loadSchedule($request);
+
+        $this->assertEquals($this->response, $response);
+        $this->assertHasNotification($notification, NotificationType::ERROR);
+
+        if ($logWarning) {
+            $this->assertTrue($this->log->hasWarningThatContains(' during schedule '));
+        } else {
+            $this->assertTrue($this->log->hasErrorThatContains(' during schedule '));
+        }
+    }
+
+    /**
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::getScheduleData
+     */
+    public function testGetScheduleDataScheduleNotFound(): void
+    {
+        $request = Request::create('', 'POST', ['delete' => 'yes'])
+            ->withAttribute('schedule_id', 42);
+
+        /** @var ScheduleController $controller */
+        $controller = $this->app->make(ScheduleController::class);
+
+        $this->expectException(ModelNotFoundException::class);
+        $controller->loadSchedule($request);
+    }
+
+    /**
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::importSchedule
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::getScheduleData
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::newRooms
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::shiftsDiff
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::getScheduleShiftsByGuid
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::getScheduleShiftsWhereNotGuid
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::eventFromScheduleShift
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::fireUpdateShiftUpdateEvent
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::getAllLocations
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::createLocation
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::createEvent
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::updateEvent
+     */
+    public function testImportSchedule(): void
+    {
+        $this->setScheduleResponses([new Response(file_get_contents($this->scheduleFile))]);
+        $this->setExpects($this->redirect, 'to', ['/admin/schedule'], $this->response);
+
+        $request = Request::create('', 'POST')
+            ->withAttribute('schedule_id', $this->schedule->id);
+
+        $this->event->expects($this->exactly(2))
+            ->method('dispatch')
+            ->withConsecutive(['shift.updating'], ['shift.entry.deleting'])
+            ->willReturn([]);
+
+        /** @var ScheduleController $controller */
+        $controller = $this->app->make(ScheduleController::class);
+        $response = $controller->importSchedule($request);
+
+        $this->assertEquals($this->response, $response);
+
+        $this->assertTrue($this->log->hasInfoThatContains('Started schedule'));
+        $this->assertTrue($this->log->hasInfoThatContains('Created schedule location'));
+        $this->assertTrue($this->log->hasInfoThatContains('Created schedule shift'));
+        $this->assertTrue($this->log->hasInfoThatContains('Updated schedule shift'));
+        $this->assertTrue($this->log->hasInfoThatContains('Deleted schedule shift'));
+        $this->assertTrue($this->log->hasInfoThatContains('Ended schedule'));
+
+        $this->assertHasNotification('schedule.import.success');
+
+        $this->assertCount(4, $this->schedule->shifts);
+        $location = Location::whereName('Example Room')->get();
+        $this->assertCount(1, $location);
+        $location2 = Location::whereName('Another Room')->get();
+        $this->assertCount(1, $location2);
+        $location3 = Location::whereName('Third Room')->get();
+        $this->assertCount(1, $location3);
+        /** @var Location $location */
+        $location = $location->first();
+        /** @var Location $location2 */
+        $location2 = $location2->first();
+        /** @var Location $location3 */
+        $location3 = $location3->first();
+
+        $this->assertCount(1, $location->shifts);
+        $this->assertCount(3, $location2->shifts);
+        $this->assertCount(0, $location3->shifts);
+
+        // Deleted shift
+        $this->assertNull(Shift::find($this->oldShift->id));
+
+        // Updated shift
+        /** @var ScheduleShift $scheduleShift */
+        $scheduleShift = ScheduleShift::whereGuid('3e896c59-0d90-4817-8f74-af7fbb758f32')->first();
+        $this->assertNotEmpty($scheduleShift);
+        $shift = $scheduleShift->shift;
+        $this->assertEquals('First event [DE]', $shift->title);
+        $this->assertEquals('https://example.com/first-1-event', $shift->url);
+        $this->assertEquals('2042-10-02 09:45:00', $shift->start->toDateTimeString());
+        $this->assertEquals('2042-10-02 11:45:00', $shift->end->toDateTimeString());
+        $this->assertEquals($this->shiftType->id, $shift->shift_type_id);
+        $this->assertEquals($location->id, $shift->location_id);
+        $this->assertEquals($this->user->id, $shift->updated_by);
+
+        // Created shift
+        /** @var ScheduleShift $scheduleShift */
+        $scheduleShift = ScheduleShift::whereGuid('6e662ec5-d18d-417d-8719-360a416bb153')->first();
+        $this->assertNotEmpty($scheduleShift);
+        $shift = $scheduleShift->shift;
+        $this->assertEquals('Third event', $shift->title);
+        $this->assertEquals('https://example.com/third-3-event', $shift->url);
+        $this->assertEquals('2042-10-02 10:45:00', $shift->start->toDateTimeString());
+        $this->assertEquals('2042-10-02 11:45:00', $shift->end->toDateTimeString());
+        $this->assertEquals($this->shiftType->id, $shift->shift_type_id);
+        $this->assertEquals($location2->id, $shift->location_id);
+        $this->assertEquals($this->user->id, $shift->created_by);
+        $this->assertNull($shift->updated_by);
+    }
+
+    /**
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::importSchedule
+     * @covers \Engelsystem\Controllers\Admin\ScheduleController::getScheduleData
+     */
+    public function testImportScheduleError(): void
+    {
+        $this->setScheduleResponses([new Response('', 404)]);
+        $this->setExpects($this->redirect, 'back', null, $this->response);
+
+        $request = Request::create('', 'POST')
+            ->withAttribute('schedule_id', $this->schedule->id);
+
+        /** @var ScheduleController $controller */
+        $controller = $this->app->make(ScheduleController::class);
+        $response = $controller->importSchedule($request);
+
+        $this->assertEquals($this->response, $response);
+        $this->assertHasNotification('schedule.import.request-error', NotificationType::ERROR);
+    }
+
+    protected function setScheduleResponses(array $queue): void
+    {
+        $handler = new MockHandler($queue);
+        $guzzle = new Client(['handler' => HandlerStack::create($handler)]);
+        $this->app->instance(Client::class, $guzzle);
+    }
+
+    public function setUp(): void
+    {
+        parent::setUp();
+
+        $this->validator = new Validator();
+
+        $this->redirect = $this->createMock(Redirector::class);
+        $this->app->instance('redirect', $this->redirect);
+
+        $this->event = $this->createMock(EventDispatcher::class);
+        $this->app->instance('events.dispatcher', $this->event);
+
+        $this->shiftType = ShiftType::factory()->create();
+        $this->location = Location::factory()->create(['name' => 'Example Room']);
+        $location3 = Location::factory()->create(['name' => 'Another Room']);
+        $this->angelType = AngelType::factory()->create();
+
+        $this->schedule = Schedule::factory()->create([
+            'shift_type' => $this->shiftType->id,
+            'name' => 'Foo Schedule',
+            'needed_from_shift_type' => false,
+        ]);
+        $this->schedule->activeLocations()->attach($this->location);
+        $this->schedule->activeLocations()->attach($location3);
+        /** @var Shift[] $shifts */
+        $shifts = Shift::factory(3)->create([
+            'location_id' => $this->location->id,
+            'shift_type_id' => $this->shiftType->id,
+        ]);
+        foreach ($shifts as $shift) {
+            (new ScheduleShift([
+                'shift_id' => $shift->id,
+                'schedule_id' => $this->schedule->id,
+                'guid' => Uuid::uuid(),
+            ]))->save();
+        }
+        $this->oldShift = $shifts[1];
+
+        /** @var ScheduleShift $firstScheduleShift */
+        $firstScheduleShift = ScheduleShift::query()->first();
+        $firstScheduleShift->guid = '3e896c59-0d90-4817-8f74-af7fbb758f32';
+        $firstScheduleShift->save();
+
+        $firstShift = $firstScheduleShift->shift;
+        $firstShift->neededAngelTypes()->create(['angel_type_id' => $this->angelType->id, 'count' => 3]);
+
+        $this->user = User::factory()->create();
+        // Shift from import
+        ShiftEntry::factory()->create([
+            'shift_id' => $firstShift->id,
+            'angel_type_id' => $this->angelType->id,
+            'user_id' => $this->user->id,
+        ]);
+        // Shift from some previous import
+        ShiftEntry::factory()->create([
+            'shift_id' => $this->oldShift->id,
+            'angel_type_id' => $this->angelType->id,
+            'user_id' => $this->user->id,
+        ]);
+
+        $authenticator = $this->createMock(Authenticator::class);
+        $this->setExpects($authenticator, 'user', null, $this->user, $this->any());
+        $this->app->instance('authenticator', $authenticator);
+    }
+}
diff --git a/tests/Unit/Helpers/Schedule/Assets/schedule-multiple.xml b/tests/Unit/Helpers/Schedule/Assets/schedule-multiple.xml
new file mode 100644
index 00000000..1607b338
--- /dev/null
+++ b/tests/Unit/Helpers/Schedule/Assets/schedule-multiple.xml
@@ -0,0 +1,90 @@
+<?xml version='1.0' encoding='utf-8' ?>
+<schedule
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://c3voc.de/schedule/schema.xsd"
+>
+    <version>4.2-frickel</version>
+    <conference>
+        <title>Some Bigger Test Event</title>
+        <acronym>test-4</acronym>
+        <start>2042-10-01</start>
+        <end>2042-10-02</end>
+        <days>2</days>
+        <timeslot_duration>00:30</timeslot_duration>
+    </conference>
+    <day index='1' date='2042-10-01' start='2042-10-01T10:00:00+02:00' end='2042-10-01T22:59:00+02:00'>
+        <room name='Example Room'>
+            <event guid='3e896c59-0d90-4817-8f74-af7fbb758f32' id='1'>
+                <date>2042-10-02T10:00:00+00:00</date>
+                <title>First event</title>
+                <subtitle>With a subtitle</subtitle>
+                <start>10:00</start>
+                <duration>01:30</duration>
+                <room>Example Room</room>
+                <slug>first-1-event</slug>
+                <track>Testing</track>
+                <type>Talk</type>
+                <abstract>A minimal description</abstract>
+                <url>https://example.com/first-1-event</url>
+                <language>DE</language>
+            </event>
+        </room>
+        <room name='Another Room'>
+            <event guid='bf675f51-2a3d-4fa9-a5b2-390d5e5bdff2' id='2'>
+                <date>2042-10-02T13:30:00+00:00</date>
+                <title>Second event</title>
+                <subtitle>With a subtitle</subtitle>
+                <start>13:30</start>
+                <duration>00:30</duration>
+                <room>Another Room</room>
+                <slug>second-2-event</slug>
+                <track>Tinkering</track>
+                <type>Talk</type>
+                <abstract>A minimal description</abstract>
+            </event>
+        </room>
+    </day>
+    <day index='2' date='2042-10-02' start='2042-10-02T10:00:00+02:00' end='2042-10-02T22:59:00+02:00'>
+        <room name='Another Room'>
+            <event guid='6e662ec5-d18d-417d-8719-360a416bb153' id='3'>
+                <date>2042-10-02T11:00:00+00:00</date>
+                <title>Third event</title>
+                <subtitle>With a subtitle</subtitle>
+                <start>11:00</start>
+                <duration>00:30</duration>
+                <room>Another Room</room>
+                <slug>third-3-event</slug>
+                <track>Testing</track>
+                <type>Talk</type>
+                <abstract>A minimal description</abstract>
+                <url>https://example.com/third-3-event</url>
+            </event>
+            <event guid='c6999865-5329-43f2-8aca-85ae39932d09' id='42'>
+                <date>2042-10-02T11:45:00+00:00</date>
+                <title>Fourth event</title>
+                <subtitle>With a subtitle</subtitle>
+                <start>11:45</start>
+                <duration>00:30</duration>
+                <room>Another Room</room>
+                <slug>fourth-42-event</slug>
+                <track>Testing</track>
+                <type>Talk</type>
+                <abstract>A minimal description</abstract>
+            </event>
+        </room>
+        <room name='Third Room'>
+            <event guid='1248925b-f608-4ebc-8d37-7a22fadc51a4' id='55'>
+                <date>2042-10-02T10:00:00+00:00</date>
+                <title>Fifth event</title>
+                <subtitle>Will be ignored</subtitle>
+                <start>10:00</start>
+                <duration>01:00</duration>
+                <room>Third Room</room>
+                <slug>fifth-55-event</slug>
+                <track>Testing</track>
+                <type>Talk</type>
+                <abstract/>
+            </event>
+        </room>
+    </day>
+</schedule>