testitest

tests/Feature/FeatureTestBase.php

@@ -0,0 +1,17 @@
+<?php declare(strict_types=1);
+// tests/Feature/FeatureTestBootstrap.php
+
+use Doctrine\ORM\EntityManagerInterface;
+use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
+
+uses(KernelTestCase::class)->in(__DIR__);
+
+beforeEach(function () {
+    $em = self::getContainer()->get(EntityManagerInterface::class);
+    createDatabaseSchema($em);
+});
+
+afterEach(function () {
+    $em = self::getContainer()->get(EntityManagerInterface::class);
+    deleteDatabaseFile($em);
+});

tests/Feature/Service/Config/ConfigServicesTest.php

@@ -0,0 +1,86 @@
+<?php
+
+use App\Entity\SystemConfig;
+use App\Enum\SystemSettingKey;
+use App\Service\Config\AppName;
+use App\Service\Config\LowStockMultiplier;
+use App\Service\ConfigurationService;
+
+test('AppName returns system name from configuration', function () {
+    // Arrange
+    $appName = $this->getContainer()->get(AppName::class);
+    $configService = $this->getContainer()->get(ConfigurationService::class);
+    $testSystemName = 'Test System Name';
+
+    // Set a custom system name
+    $configService->setConfigValue(SystemSettingKey::SYSTEM_NAME, $testSystemName);
+
+    // Act
+    $result = (string)$appName;
+
+    // Assert
+    expect($result)->toBe($testSystemName);
+});
+
+test('AppName returns default system name when not configured', function () {
+    // Arrange
+    $appName = $this->getContainer()->get(AppName::class);
+    $configService = $this->getContainer()->get(ConfigurationService::class);
+
+    // Reset to default value
+    $configService->setDefaultValue(SystemSettingKey::SYSTEM_NAME);
+
+    // Act
+    $result = (string)$appName;
+
+    // Assert
+    expect($result)->toBe(SystemConfig::DEFAULT_SYSTEM_NAME);
+});
+
+test('LowStockMultiplier returns multiplier from configuration', function () {
+    // Arrange
+    $lowStockMultiplier = $this->getContainer()->get(LowStockMultiplier::class);
+    $configService = $this->getContainer()->get(ConfigurationService::class);
+    $testMultiplier = '0.5';
+
+    // Set a custom multiplier
+    $configService->setConfigValue(SystemSettingKey::STOCK_LOW_MULTIPLIER, $testMultiplier);
+
+    // Act
+    $result = $lowStockMultiplier->getValue();
+
+    // Assert
+    expect($result)->toBe((float)$testMultiplier);
+});
+
+test('LowStockMultiplier returns default multiplier when not configured', function () {
+    // Arrange
+    $lowStockMultiplier = $this->getContainer()->get(LowStockMultiplier::class);
+    $configService = $this->getContainer()->get(ConfigurationService::class);
+
+    // Reset to default value
+    $configService->setDefaultValue(SystemSettingKey::STOCK_LOW_MULTIPLIER);
+
+    // Act
+    $result = $lowStockMultiplier->getValue();
+
+    // Assert
+    expect($result)->toBe((float)SystemConfig::DEFAULT_STOCK_LOW_MULTIPLIER);
+});
+
+test('LowStockMultiplier converts string value to float', function () {
+    // Arrange
+    $lowStockMultiplier = $this->getContainer()->get(LowStockMultiplier::class);
+    $configService = $this->getContainer()->get(ConfigurationService::class);
+    $testMultiplier = '0.75';
+
+    // Set a custom multiplier
+    $configService->setConfigValue(SystemSettingKey::STOCK_LOW_MULTIPLIER, $testMultiplier);
+
+    // Act
+    $result = $lowStockMultiplier->getValue();
+
+    // Assert
+    expect($result)->toBe(0.75);
+    expect($result)->toBeFloat();
+});

tests/Feature/Service/ConfigurationServiceTest.php

@@ -0,0 +1,147 @@
+<?php
+
+use App\Entity\SystemConfig;
+use App\Enum\SystemSettingKey;
+use App\Repository\SystemConfigRepository;
+use App\Service\ConfigurationService;
+use Doctrine\ORM\EntityManagerInterface;
+
+test('getAllConfigs returns all configurations', function () {
+    // Arrange
+    $configService = $this->getContainer()->get(ConfigurationService::class);
+
+    // Act
+    $configs = $configService->getAllConfigs();
+
+    // Assert
+    expect($configs)->toBeArray();
+});
+
+test('getConfigValue returns correct value', function () {
+    // Arrange
+    $configService = $this->getContainer()->get(ConfigurationService::class);
+    $key = SystemSettingKey::SYSTEM_NAME;
+    $expectedValue = SystemSettingKey::getDefaultValue($key);
+
+    // Act
+    $value = $configService->getConfigValue($key);
+
+    // Assert
+    expect($value)->toBe($expectedValue);
+});
+
+test('setConfigValue updates configuration value', function () {
+    // Arrange
+    $configService = $this->getContainer()->get(ConfigurationService::class);
+    $key = SystemSettingKey::SYSTEM_NAME;
+    $newValue = 'Test System Name';
+
+    // Act
+    $configService->setConfigValue($key, $newValue);
+    $value = $configService->getConfigValue($key);
+
+    // Assert
+    expect($value)->toBe($newValue);
+});
+
+test('getConfigByKey returns correct config', function () {
+    // Arrange
+    $configService = $this->getContainer()->get(ConfigurationService::class);
+    $key = SystemSettingKey::SYSTEM_NAME;
+
+    // Act
+    $config = $configService->getConfigByKey($key);
+
+    // Assert
+    expect($config)->toBeInstanceOf(SystemConfig::class)
+        ->and($config->getKey())->toBe($key);
+});
+
+test('createConfig throws exception when config already exists', function () {
+    // Arrange
+    $configService = $this->getContainer()->get(ConfigurationService::class);
+    $key = SystemSettingKey::SYSTEM_NAME;
+    $value = 'Test System Name';
+
+    // Ensure config exists
+    $configService->setConfigValue($key, $value);
+
+    // Act & Assert
+    expect(fn() => $configService->createConfig($key, $value))
+        ->toThrow(InvalidArgumentException::class);
+});
+
+test('updateConfig updates configuration value', function () {
+    // Arrange
+    $configService = $this->getContainer()->get(ConfigurationService::class);
+    $key = SystemSettingKey::SYSTEM_NAME;
+    $initialValue = 'Initial System Name';
+    $newValue = 'Updated System Name';
+
+    // Create or update config with initial value
+    $configService->setConfigValue($key, $initialValue);
+    $config = $configService->getConfigByKey($key);
+
+    // Act
+    $updatedConfig = $configService->updateConfig($config, $newValue);
+
+    // Assert
+    expect($updatedConfig->getValue())->toBe($newValue)
+        ->and($configService->getConfigValue($key))->toBe($newValue);
+});
+
+test('updateConfig does not update when value is empty', function () {
+    // Arrange
+    $configService = $this->getContainer()->get(ConfigurationService::class);
+    $key = SystemSettingKey::SYSTEM_NAME;
+    $initialValue = 'Initial System Name';
+
+    // Create or update config with initial value
+    $configService->setConfigValue($key, $initialValue);
+    $config = $configService->getConfigByKey($key);
+
+    // Act
+    $updatedConfig = $configService->updateConfig($config, '');
+
+    // Assert
+    expect($updatedConfig->getValue())->toBe($initialValue);
+    expect($configService->getConfigValue($key))->toBe($initialValue);
+});
+
+test('resetAllConfigs resets all configurations to default values', function () {
+    // Arrange
+    $configService = $this->getContainer()->get(ConfigurationService::class);
+
+    // Set non-default values for all configs
+    foreach (SystemSettingKey::cases() as $key) {
+        $configService->setConfigValue($key, 'non-default-value');
+    }
+
+    // Act
+    $configService->resetAllConfigs();
+
+    // Assert
+    foreach (SystemSettingKey::cases() as $key) {
+        $expectedValue = SystemSettingKey::getDefaultValue($key);
+        $actualValue = $configService->getConfigValue($key);
+        expect($actualValue)->toBe($expectedValue);
+    }
+});
+
+test('setDefaultValue sets default value for specific key', function () {
+    // Arrange
+    $configService = $this->getContainer()->get(ConfigurationService::class);
+    $key = SystemSettingKey::SYSTEM_NAME;
+    $nonDefaultValue = 'Non-Default System Name';
+
+    // Set non-default value
+    $configService->setConfigValue($key, $nonDefaultValue);
+
+    // Act
+    $configService->setDefaultValue($key);
+
+    // Assert
+    $expectedValue = SystemSettingKey::getDefaultValue($key);
+    $actualValue = $configService->getConfigValue($key);
+    expect($actualValue)->toBe($expectedValue);
+});

tests/Feature/Service/DrinkTypeServiceTest.php

@@ -0,0 +1,242 @@
+<?php
+
+use App\Entity\DrinkType;
+use App\Enum\SystemSettingKey;
+use App\Repository\DrinkTypeRepository;
+use App\Service\ConfigurationService;
+use App\Service\DrinkTypeService;
+use Doctrine\ORM\EntityManagerInterface;
+
+test('getAllDrinkTypes returns all drink types', function () {
+    // Arrange
+    $drinkTypeService = $this->getContainer()->get(DrinkTypeService::class);
+
+    // Act
+    $drinkTypes = $drinkTypeService->getAllDrinkTypes();
+
+    // Assert
+    expect($drinkTypes)->toBeArray();
+});
+
+test('getDrinkTypeById returns correct drink type', function () {
+    // Arrange
+    $drinkTypeService = $this->getContainer()->get(DrinkTypeService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Create a drink type
+    $drinkType = new DrinkType();
+    $drinkType->setName('Test Drink Type');
+    $drinkType->setDescription('Test Description');
+    $drinkType->setDesiredStock(5);
+    $em->persist($drinkType);
+    $em->flush();
+
+    $id = $drinkType->getId();
+
+    // Act
+    $retrievedDrinkType = $drinkTypeService->getDrinkTypeById($id);
+
+    // Assert
+    expect($retrievedDrinkType)->toBeInstanceOf(DrinkType::class);
+    expect($retrievedDrinkType->getId())->toBe($id);
+    expect($retrievedDrinkType->getName())->toBe('Test Drink Type');
+});
+
+test('getDrinkTypeById returns null for non-existent id', function () {
+    // Arrange
+    $drinkTypeService = $this->getContainer()->get(DrinkTypeService::class);
+    $nonExistentId = 9999;
+
+    // Act
+    $drinkType = $drinkTypeService->getDrinkTypeById($nonExistentId);
+
+    // Assert
+    expect($drinkType)->toBeNull();
+});
+
+test('getDrinkTypeByName returns correct drink type', function () {
+    // Arrange
+    $drinkTypeService = $this->getContainer()->get(DrinkTypeService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Create a drink type
+    $drinkType = new DrinkType();
+    $drinkType->setName('Test Drink Type By Name');
+    $drinkType->setDescription('Test Description');
+    $drinkType->setDesiredStock(5);
+    $em->persist($drinkType);
+    $em->flush();
+
+    // Act
+    $retrievedDrinkType = $drinkTypeService->getDrinkTypeByName('Test Drink Type By Name');
+
+    // Assert
+    expect($retrievedDrinkType)->toBeInstanceOf(DrinkType::class);
+    expect($retrievedDrinkType->getName())->toBe('Test Drink Type By Name');
+});
+
+test('getDrinkTypeByName returns null for non-existent name', function () {
+    // Arrange
+    $drinkTypeService = $this->getContainer()->get(DrinkTypeService::class);
+    $nonExistentName = 'Non-Existent Drink Type';
+
+    // Act
+    $drinkType = $drinkTypeService->getDrinkTypeByName($nonExistentName);
+
+    // Assert
+    expect($drinkType)->toBeNull();
+});
+
+test('createDrinkType creates new drink type with provided values', function () {
+    // Arrange
+    $drinkTypeService = $this->getContainer()->get(DrinkTypeService::class);
+    $name = 'New Drink Type';
+    $description = 'New Description';
+    $desiredStock = 10;
+
+    // Act
+    $drinkType = $drinkTypeService->createDrinkType($name, $description, $desiredStock);
+
+    // Assert
+    expect($drinkType)->toBeInstanceOf(DrinkType::class);
+    expect($drinkType->getName())->toBe($name);
+    expect($drinkType->getDescription())->toBe($description);
+    expect($drinkType->getDesiredStock())->toBe($desiredStock);
+});
+
+test('createDrinkType creates new drink type with default desired stock', function () {
+    // Arrange
+    $drinkTypeService = $this->getContainer()->get(DrinkTypeService::class);
+    $configService = $this->getContainer()->get(ConfigurationService::class);
+    $name = 'New Drink Type Default Stock';
+    $description = 'New Description';
+
+    // Set default desired stock in configuration
+    $defaultDesiredStock = '15';
+    $configService->setConfigValue(SystemSettingKey::DEFAULT_DESIRED_STOCK, $defaultDesiredStock);
+
+    // Act
+    $drinkType = $drinkTypeService->createDrinkType($name, $description);
+
+    // Assert
+    expect($drinkType)->toBeInstanceOf(DrinkType::class);
+    expect($drinkType->getName())->toBe($name);
+    expect($drinkType->getDescription())->toBe($description);
+    expect($drinkType->getDesiredStock())->toBe((int)$defaultDesiredStock);
+});
+
+test('createDrinkType throws exception when drink type with same name exists', function () {
+    // Arrange
+    $drinkTypeService = $this->getContainer()->get(DrinkTypeService::class);
+    $name = 'Duplicate Drink Type';
+
+    // Create a drink type with the same name
+    $drinkTypeService->createDrinkType($name);
+
+    // Act & Assert
+    expect(fn() => $drinkTypeService->createDrinkType($name))
+        ->toThrow(InvalidArgumentException::class);
+});
+
+test('updateDrinkType updates drink type properties', function () {
+    // Arrange
+    $drinkTypeService = $this->getContainer()->get(DrinkTypeService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Create a drink type
+    $drinkType = new DrinkType();
+    $drinkType->setName('Original Drink Type');
+    $drinkType->setDescription('Original Description');
+    $drinkType->setDesiredStock(5);
+    $em->persist($drinkType);
+    $em->flush();
+
+    $newName = 'Updated Drink Type';
+    $newDescription = 'Updated Description';
+    $newDesiredStock = 15;
+
+    // Act
+    $updatedDrinkType = $drinkTypeService->updateDrinkType(
+        $drinkType,
+        $newName,
+        $newDescription,
+        $newDesiredStock
+    );
+
+    // Assert
+    expect($updatedDrinkType)->toBeInstanceOf(DrinkType::class);
+    expect($updatedDrinkType->getName())->toBe($newName);
+    expect($updatedDrinkType->getDescription())->toBe($newDescription);
+    expect($updatedDrinkType->getDesiredStock())->toBe($newDesiredStock);
+});
+
+test('updateDrinkType throws exception when updating to existing name', function () {
+    // Arrange
+    $drinkTypeService = $this->getContainer()->get(DrinkTypeService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Create two drink types
+    $drinkType1 = new DrinkType();
+    $drinkType1->setName('First Drink Type');
+    $em->persist($drinkType1);
+
+    $drinkType2 = new DrinkType();
+    $drinkType2->setName('Second Drink Type');
+    $em->persist($drinkType2);
+    $em->flush();
+
+    // Act & Assert
+    expect(fn() => $drinkTypeService->updateDrinkType($drinkType2, 'First Drink Type'))
+        ->toThrow(InvalidArgumentException::class);
+});
+
+test('updateDrinkType only updates provided properties', function () {
+    // Arrange
+    $drinkTypeService = $this->getContainer()->get(DrinkTypeService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Create a drink type
+    $drinkType = new DrinkType();
+    $drinkType->setName('Partial Update Drink Type');
+    $drinkType->setDescription('Original Description');
+    $drinkType->setDesiredStock(5);
+    $em->persist($drinkType);
+    $em->flush();
+
+    $newDescription = 'Updated Description';
+
+    // Act - only update description
+    $updatedDrinkType = $drinkTypeService->updateDrinkType(
+        $drinkType,
+        null,
+        $newDescription,
+        null
+    );
+
+    // Assert
+    expect($updatedDrinkType)->toBeInstanceOf(DrinkType::class);
+    expect($updatedDrinkType->getName())->toBe('Partial Update Drink Type');
+    expect($updatedDrinkType->getDescription())->toBe($newDescription);
+    expect($updatedDrinkType->getDesiredStock())->toBe(5);
+});
+
+test('deleteDrinkType removes drink type', function () {
+    // Arrange
+    $drinkTypeService = $this->getContainer()->get(DrinkTypeService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Create a drink type
+    $drinkType = new DrinkType();
+    $drinkType->setName('Drink Type To Delete');
+    $em->persist($drinkType);
+    $em->flush();
+
+    $id = $drinkType->getId();
+
+    // Act
+    $drinkTypeService->deleteDrinkType($drinkType);
+
+    // Assert
+    $deletedDrinkType = $drinkTypeService->getDrinkTypeById($id);
+    expect($deletedDrinkType)->toBeNull();
+});

tests/Feature/Service/InventoryServiceTest.php

@@ -0,0 +1,364 @@
+<?php
+
+use App\Entity\DrinkType;
+use App\Entity\InventoryRecord;
+use App\Enum\StockState;
+use App\Enum\SystemSettingKey;
+use App\Repository\DrinkTypeRepository;
+use App\Repository\InventoryRecordRepository;
+use App\Service\ConfigurationService;
+use App\Service\InventoryService;
+use App\ValueObject\DrinkStock;
+use Doctrine\ORM\EntityManagerInterface;
+
+test('getAllInventoryRecords returns all inventory records', function () {
+    // Arrange
+    $inventoryService = $this->getContainer()->get(InventoryService::class);
+
+    // Act
+    $records = $inventoryService->getAllInventoryRecords();
+
+    // Assert
+    expect($records)->toBeArray();
+});
+
+test('getInventoryRecordsByDrinkType returns records for specific drink type', function () {
+    // Arrange
+    $inventoryService = $this->getContainer()->get(InventoryService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Create a drink type
+    $drinkType = new DrinkType();
+    $drinkType->setName('Test Drink Type for Inventory');
+    $drinkType->setDesiredStock(10);
+    $em->persist($drinkType);
+    $em->flush();
+
+    // Create inventory records
+    $record1 = new InventoryRecord();
+    $record1->setDrinkType($drinkType);
+    $record1->setQuantity(5);
+    $em->persist($record1);
+
+    $record2 = new InventoryRecord();
+    $record2->setDrinkType($drinkType);
+    $record2->setQuantity(8);
+    $em->persist($record2);
+    $em->flush();
+
+    // Act
+    $records = $inventoryService->getInventoryRecordsByDrinkType($drinkType);
+
+    // Assert
+    expect($records)->toBeArray();
+    expect(count($records))->toBeGreaterThanOrEqual(2);
+    expect($records[0])->toBeInstanceOf(InventoryRecord::class);
+    expect($records[0]->getDrinkType()->getId())->toBe($drinkType->getId());
+});
+
+test('getLatestInventoryRecord returns latest record for drink type', function () {
+    // Arrange
+    $inventoryService = $this->getContainer()->get(InventoryService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Create a drink type
+    $drinkType = new DrinkType();
+    $drinkType->setName('Test Drink Type for Latest Record');
+    $drinkType->setDesiredStock(10);
+    $em->persist($drinkType);
+    $em->flush();
+
+    // Create inventory records with different timestamps
+    $record1 = new InventoryRecord();
+    $record1->setDrinkType($drinkType);
+    $record1->setQuantity(5);
+    $record1->setTimestamp(new DateTimeImmutable('-2 days'));
+    $em->persist($record1);
+
+    $record2 = new InventoryRecord();
+    $record2->setDrinkType($drinkType);
+    $record2->setQuantity(8);
+    $record2->setTimestamp(new DateTimeImmutable('-1 day'));
+    $em->persist($record2);
+
+    $record3 = new InventoryRecord();
+    $record3->setDrinkType($drinkType);
+    $record3->setQuantity(12);
+    $record3->setTimestamp(new DateTimeImmutable());
+    $em->persist($record3);
+    $em->flush();
+
+    // Act
+    $latestRecord = $inventoryService->getLatestInventoryRecord($drinkType);
+
+    // Assert
+    expect($latestRecord)->toBeInstanceOf(InventoryRecord::class);
+    expect($latestRecord->getDrinkType()->getId())->toBe($drinkType->getId());
+    expect($latestRecord->getQuantity())->toBe(12);
+});
+
+test('getLatestInventoryRecord creates new record if none exists', function () {
+    // Arrange
+    $inventoryService = $this->getContainer()->get(InventoryService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+    $repository = $this->getContainer()->get(InventoryRecordRepository::class);
+
+    // Create a drink type with no inventory records
+    $drinkType = new DrinkType();
+    $drinkType->setName('Test Drink Type with No Records');
+    $drinkType->setDesiredStock(10);
+    $em->persist($drinkType);
+    $em->flush();
+
+    // Delete any existing records for this drink type
+    foreach ($repository->findByDrinkType($drinkType) as $record) {
+        $em->remove($record);
+    }
+    $em->flush();
+
+    // Act
+    $latestRecord = $inventoryService->getLatestInventoryRecord($drinkType);
+
+    // Assert
+    expect($latestRecord)->toBeInstanceOf(InventoryRecord::class);
+    expect($latestRecord->getDrinkType()->getId())->toBe($drinkType->getId());
+    expect($latestRecord->getQuantity())->toBe(0);
+});
+
+test('getCurrentStockLevel returns correct stock level', function () {
+    // Arrange
+    $inventoryService = $this->getContainer()->get(InventoryService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Create a drink type
+    $drinkType = new DrinkType();
+    $drinkType->setName('Test Drink Type for Stock Level');
+    $drinkType->setDesiredStock(10);
+    $em->persist($drinkType);
+    $em->flush();
+
+    // Create inventory record
+    $record = new InventoryRecord();
+    $record->setDrinkType($drinkType);
+    $record->setQuantity(15);
+    $em->persist($record);
+    $em->flush();
+
+    // Act
+    $stockLevel = $inventoryService->getCurrentStockLevel($drinkType);
+
+    // Assert
+    expect($stockLevel)->toBe(15);
+});
+
+test('updateStockLevel creates new inventory record', function () {
+    // Arrange
+    $inventoryService = $this->getContainer()->get(InventoryService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Create a drink type
+    $drinkType = new DrinkType();
+    $drinkType->setName('Test Drink Type for Update');
+    $drinkType->setDesiredStock(10);
+    $em->persist($drinkType);
+    $em->flush();
+
+    $newQuantity = 25;
+    $timestamp = new DateTimeImmutable();
+
+    // Act
+    $record = $inventoryService->updateStockLevel($drinkType, $newQuantity, $timestamp);
+
+    // Assert
+    expect($record)->toBeInstanceOf(InventoryRecord::class);
+    expect($record->getDrinkType()->getId())->toBe($drinkType->getId());
+    expect($record->getQuantity())->toBe($newQuantity);
+    expect($record->getTimestamp()->getTimestamp())->toBe($timestamp->getTimestamp());
+
+    // Verify the stock level was updated
+    $currentLevel = $inventoryService->getCurrentStockLevel($drinkType);
+    expect($currentLevel)->toBe($newQuantity);
+});
+
+test('getAllDrinkTypesWithStockLevels returns all drink types with stock', function () {
+    // Arrange
+    $inventoryService = $this->getContainer()->get(InventoryService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+    $drinkTypeRepo = $this->getContainer()->get(DrinkTypeRepository::class);
+
+    // Create drink types and inventory records
+    $drinkType1 = new DrinkType();
+    $drinkType1->setName('Drink Type 1 for Stock Levels');
+    $drinkType1->setDesiredStock(10);
+    $em->persist($drinkType1);
+
+    $drinkType2 = new DrinkType();
+    $drinkType2->setName('Drink Type 2 for Stock Levels');
+    $drinkType2->setDesiredStock(0); // Zero desired stock
+    $em->persist($drinkType2);
+    $em->flush();
+
+    // Create inventory records
+    $record1 = new InventoryRecord();
+    $record1->setDrinkType($drinkType1);
+    $record1->setQuantity(5);
+    $em->persist($record1);
+
+    $record2 = new InventoryRecord();
+    $record2->setDrinkType($drinkType2);
+    $record2->setQuantity(8);
+    $em->persist($record2);
+    $em->flush();
+
+    // Act - without zero desired stock
+    $stockLevels1 = $inventoryService->getAllDrinkTypesWithStockLevels(false);
+
+    // Act - with zero desired stock
+    $stockLevels2 = $inventoryService->getAllDrinkTypesWithStockLevels(true);
+
+    // Assert
+    expect($stockLevels1)->toBeArray();
+    expect($stockLevels2)->toBeArray();
+    expect(count($stockLevels2))->toBeGreaterThanOrEqual(count($stockLevels1));
+
+    foreach ($stockLevels2 as $stockLevel) {
+        expect($stockLevel)->toBeInstanceOf(DrinkStock::class);
+        expect($stockLevel->record)->toBeInstanceOf(InventoryRecord::class);
+    }
+});
+
+test('getDrinkStock returns correct DrinkStock object with CRITICAL state', function () {
+    // Arrange
+    $inventoryService = $this->getContainer()->get(InventoryService::class);
+    $configService = $this->getContainer()->get(ConfigurationService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Set low stock multiplier
+    $configService->setConfigValue(SystemSettingKey::STOCK_LOW_MULTIPLIER, '0.3');
+
+    // Create a drink type with zero quantity (CRITICAL)
+    $drinkType = new DrinkType();
+    $drinkType->setName('Critical Stock Drink Type');
+    $drinkType->setDesiredStock(10);
+    $em->persist($drinkType);
+    $em->flush();
+
+    // Create inventory record with zero quantity
+    $record = new InventoryRecord();
+    $record->setDrinkType($drinkType);
+    $record->setQuantity(0);
+    $em->persist($record);
+    $em->flush();
+
+    // Act
+    $drinkStock = $inventoryService->getDrinkStock($drinkType);
+
+    // Assert
+    expect($drinkStock)->toBeInstanceOf(DrinkStock::class);
+    expect($drinkStock->record->getDrinkType()->getId())->toBe($drinkType->getId());
+    expect($drinkStock->stock)->toBe(StockState::CRITICAL);
+});
+
+test('getDrinkStock returns correct DrinkStock object with LOW state', function () {
+    // Arrange
+    $inventoryService = $this->getContainer()->get(InventoryService::class);
+    $configService = $this->getContainer()->get(ConfigurationService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Set low stock multiplier
+    $lowStockMultiplier = 0.3;
+    $configService->setConfigValue(SystemSettingKey::STOCK_LOW_MULTIPLIER, (string)$lowStockMultiplier);
+
+    // Create a drink type with low quantity
+    $desiredStock = 10;
+    $drinkType = new DrinkType();
+    $drinkType->setName('Low Stock Drink Type');
+    $drinkType->setDesiredStock($desiredStock);
+    $em->persist($drinkType);
+    $em->flush();
+
+    // Create inventory record with low quantity (between 0 and lowStockMultiplier * desiredStock)
+    $lowQuantity = (int)($desiredStock * $lowStockMultiplier) - 1;
+    $record = new InventoryRecord();
+    $record->setDrinkType($drinkType);
+    $record->setQuantity($lowQuantity);
+    $em->persist($record);
+    $em->flush();
+
+    // Act
+    $drinkStock = $inventoryService->getDrinkStock($drinkType);
+
+    // Assert
+    expect($drinkStock)->toBeInstanceOf(DrinkStock::class);
+    expect($drinkStock->record->getDrinkType()->getId())->toBe($drinkType->getId());
+    expect($drinkStock->stock)->toBe(StockState::LOW);
+});
+
+test('getDrinkStock returns correct DrinkStock object with NORMAL state', function () {
+    // Arrange
+    $inventoryService = $this->getContainer()->get(InventoryService::class);
+    $configService = $this->getContainer()->get(ConfigurationService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Set low stock multiplier
+    $lowStockMultiplier = 0.3;
+    $configService->setConfigValue(SystemSettingKey::STOCK_LOW_MULTIPLIER, (string)$lowStockMultiplier);
+
+    // Create a drink type with normal quantity
+    $desiredStock = 10;
+    $drinkType = new DrinkType();
+    $drinkType->setName('Normal Stock Drink Type');
+    $drinkType->setDesiredStock($desiredStock);
+    $em->persist($drinkType);
+    $em->flush();
+
+    // Create inventory record with normal quantity (between lowStockMultiplier * desiredStock and desiredStock)
+    $normalQuantity = (int)($desiredStock * $lowStockMultiplier) + 1;
+    $record = new InventoryRecord();
+    $record->setDrinkType($drinkType);
+    $record->setQuantity($normalQuantity);
+    $em->persist($record);
+    $em->flush();
+
+    // Act
+    $drinkStock = $inventoryService->getDrinkStock($drinkType);
+
+    // Assert
+    expect($drinkStock)->toBeInstanceOf(DrinkStock::class);
+    expect($drinkStock->record->getDrinkType()->getId())->toBe($drinkType->getId());
+    expect($drinkStock->stock)->toBe(StockState::NORMAL);
+});
+
+test('getDrinkStock returns correct DrinkStock object with HIGH state', function () {
+    // Arrange
+    $inventoryService = $this->getContainer()->get(InventoryService::class);
+    $configService = $this->getContainer()->get(ConfigurationService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Set low stock multiplier
+    $configService->setConfigValue(SystemSettingKey::STOCK_LOW_MULTIPLIER, '0.3');
+
+    // Create a drink type with high quantity
+    $desiredStock = 10;
+    $drinkType = new DrinkType();
+    $drinkType->setName('High Stock Drink Type');
+    $drinkType->setDesiredStock($desiredStock);
+    $em->persist($drinkType);
+    $em->flush();
+
+    // Create inventory record with high quantity (greater than desiredStock)
+    $highQuantity = $desiredStock + 1;
+    $record = new InventoryRecord();
+    $record->setDrinkType($drinkType);
+    $record->setQuantity($highQuantity);
+    $em->persist($record);
+    $em->flush();
+
+    // Act
+    $drinkStock = $inventoryService->getDrinkStock($drinkType);
+
+    // Assert
+    expect($drinkStock)->toBeInstanceOf(DrinkStock::class);
+    expect($drinkStock->record->getDrinkType()->getId())->toBe($drinkType->getId());
+    expect($drinkStock->stock)->toBe(StockState::HIGH);
+});

tests/Feature/Service/OrderServiceTest.php

@@ -0,0 +1,455 @@
+<?php
+
+use App\Entity\DrinkType;
+use App\Entity\Order;
+use App\Entity\OrderItem;
+use App\Enum\OrderStatus;
+use App\Repository\DrinkTypeRepository;
+use App\Repository\OrderItemRepository;
+use App\Repository\OrderRepository;
+use App\Service\InventoryService;
+use App\Service\OrderService;
+use Doctrine\ORM\EntityManagerInterface;
+
+test('getAllOrders returns all orders', function () {
+    // Arrange
+    $orderService = $this->getContainer()->get(OrderService::class);
+
+    // Act
+    $orders = $orderService->getAllOrders();
+
+    // Assert
+    expect($orders)->toBeArray();
+});
+
+test('getOrderById returns correct order', function () {
+    // Arrange
+    $orderService = $this->getContainer()->get(OrderService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Create an order
+    $order = new Order();
+    $order->setStatus(OrderStatus::NEW);
+    $em->persist($order);
+    $em->flush();
+
+    $id = $order->getId();
+
+    // Act
+    $retrievedOrder = $orderService->getOrderById($id);
+
+    // Assert
+    expect($retrievedOrder)->toBeInstanceOf(Order::class);
+    expect($retrievedOrder->getId())->toBe($id);
+});
+
+test('getOrderById returns null for non-existent id', function () {
+    // Arrange
+    $orderService = $this->getContainer()->get(OrderService::class);
+    $nonExistentId = 9999;
+
+    // Act
+    $order = $orderService->getOrderById($nonExistentId);
+
+    // Assert
+    expect($order)->toBeNull();
+});
+
+test('getOrdersByStatus returns orders with specific status', function () {
+    // Arrange
+    $orderService = $this->getContainer()->get(OrderService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Create orders with different statuses
+    $order1 = new Order();
+    $order1->setStatus(OrderStatus::NEW);
+    $em->persist($order1);
+
+    $order2 = new Order();
+    $order2->setStatus(OrderStatus::ORDERED);
+    $em->persist($order2);
+
+    $order3 = new Order();
+    $order3->setStatus(OrderStatus::NEW);
+    $em->persist($order3);
+    $em->flush();
+
+    // Act
+    $newOrders = $orderService->getOrdersByStatus(OrderStatus::NEW);
+    $orderedOrders = $orderService->getOrdersByStatus(OrderStatus::ORDERED);
+
+    // Assert
+    expect($newOrders)->toBeArray();
+    expect(count($newOrders))->toBeGreaterThanOrEqual(2);
+    expect($orderedOrders)->toBeArray();
+    expect(count($orderedOrders))->toBeGreaterThanOrEqual(1);
+
+    foreach ($newOrders as $order) {
+        expect($order)->toBeInstanceOf(Order::class);
+        expect($order->getStatus())->toBe(OrderStatus::NEW);
+    }
+
+    foreach ($orderedOrders as $order) {
+        expect($order)->toBeInstanceOf(Order::class);
+        expect($order->getStatus())->toBe(OrderStatus::ORDERED);
+    }
+});
+
+test('getActiveOrders returns orders with active statuses', function () {
+    // Arrange
+    $orderService = $this->getContainer()->get(OrderService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Create orders with different statuses
+    $order1 = new Order();
+    $order1->setStatus(OrderStatus::NEW);
+    $em->persist($order1);
+
+    $order2 = new Order();
+    $order2->setStatus(OrderStatus::ORDERED);
+    $em->persist($order2);
+
+    $order3 = new Order();
+    $order3->setStatus(OrderStatus::FULFILLED);
+    $em->persist($order3);
+
+    $order4 = new Order();
+    $order4->setStatus(OrderStatus::CANCELLED);
+    $em->persist($order4);
+    $em->flush();
+
+    // Act
+    $activeOrders = $orderService->getActiveOrders();
+
+    // Assert
+    expect($activeOrders)->toBeArray();
+
+    foreach ($activeOrders as $order) {
+        expect($order)->toBeInstanceOf(Order::class);
+        expect($order->getStatus())->toBeIn([OrderStatus::NEW, OrderStatus::ORDERED, OrderStatus::IN_WORK]);
+    }
+});
+
+test('getMostRecentActiveOrder returns most recent active order', function () {
+    // Arrange
+    $orderService = $this->getContainer()->get(OrderService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Create orders with different statuses and timestamps
+    $order1 = new Order();
+    $order1->setStatus(OrderStatus::NEW);
+    $order1->setUpdatedAt(new DateTimeImmutable('-2 days'));
+    $em->persist($order1);
+    $em->flush();
+
+    // Sleep to ensure different timestamps
+
+    $order2 = new Order();
+    $order2->setStatus(OrderStatus::IN_WORK);
+    $order2->setUpdatedAt(new DateTimeImmutable('-1 day'));
+    $em->persist($order2);
+    $em->flush();
+
+    // Act
+    $recentOrder = $orderService->getMostRecentActiveOrder();
+
+    // Assert
+    expect($recentOrder)->toBeInstanceOf(Order::class);
+    expect($recentOrder->getId())->toBe($order2->getId());
+});
+
+test('hasActiveOrders returns true when active orders exist', function () {
+    // Arrange
+    $orderService = $this->getContainer()->get(OrderService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Create an active order
+    $order = new Order();
+    $order->setStatus(OrderStatus::NEW);
+    $em->persist($order);
+    $em->flush();
+
+    // Act
+    $hasActiveOrders = $orderService->hasActiveOrders();
+
+    // Assert
+    expect($hasActiveOrders)->toBeTrue();
+});
+
+test('getOrdersByDateRange returns orders within date range', function () {
+    // Arrange
+    $orderService = $this->getContainer()->get(OrderService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Create orders
+    $order1 = new Order();
+    $order1->setStatus(OrderStatus::NEW);
+    $em->persist($order1);
+    $em->flush();
+
+    $start = new DateTimeImmutable('-1 day');
+    $end = new DateTimeImmutable('+1 day');
+
+    // Act
+    $orders = $orderService->getOrdersByDateRange($start, $end);
+
+    // Assert
+    expect($orders)->toBeArray();
+    expect(count($orders))->toBeGreaterThanOrEqual(1);
+
+    foreach ($orders as $order) {
+        expect($order)->toBeInstanceOf(Order::class);
+        expect($order->getCreatedAt()->getTimestamp())->toBeGreaterThanOrEqual($start->getTimestamp());
+        expect($order->getCreatedAt()->getTimestamp())->toBeLessThanOrEqual($end->getTimestamp());
+    }
+});
+
+test('createOrder creates new order with items', function () {
+    // Arrange
+    $orderService = $this->getContainer()->get(OrderService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Create drink types
+    $drinkType1 = new DrinkType();
+    $drinkType1->setName('Drink Type 1 for Order');
+    $drinkType1->setDesiredStock(10);
+    $em->persist($drinkType1);
+
+    $drinkType2 = new DrinkType();
+    $drinkType2->setName('Drink Type 2 for Order');
+    $drinkType2->setDesiredStock(5);
+    $em->persist($drinkType2);
+    $em->flush();
+
+    $items = [
+        ['drinkTypeId' => $drinkType1->getId(), 'quantity' => 3],
+        ['drinkTypeId' => $drinkType2->getId(), 'quantity' => 2],
+    ];
+
+    // Act
+    $order = $orderService->createOrder($items);
+
+    // Assert
+    expect($order)->toBeInstanceOf(Order::class);
+    expect($order->getStatus())->toBe(OrderStatus::NEW);
+    expect($order->getOrderItems()->count())->toBe(2);
+
+    $orderItems = $order->getOrderItems()->toArray();
+    expect($orderItems[0]->getDrinkType()->getId())->toBe($drinkType1->getId());
+    expect($orderItems[0]->getQuantity())->toBe(3);
+    expect($orderItems[1]->getDrinkType()->getId())->toBe($drinkType2->getId());
+    expect($orderItems[1]->getQuantity())->toBe(2);
+});
+
+test('createOrderFromStockLevels creates order based on stock levels', function () {
+    // Arrange
+    $orderService = $this->getContainer()->get(OrderService::class);
+    $inventoryService = $this->getContainer()->get(InventoryService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Create drink types with stock levels below desired stock
+    $drinkType1 = new DrinkType();
+    $drinkType1->setName('Low Stock Drink Type 1');
+    $drinkType1->setDesiredStock(10);
+    $em->persist($drinkType1);
+
+    $drinkType2 = new DrinkType();
+    $drinkType2->setName('Low Stock Drink Type 2');
+    $drinkType2->setDesiredStock(8);
+    $em->persist($drinkType2);
+
+    $drinkType3 = new DrinkType();
+    $drinkType3->setName('Sufficient Stock Drink Type');
+    $drinkType3->setDesiredStock(5);
+    $em->persist($drinkType3);
+    $em->flush();
+
+    // Set stock levels
+    $inventoryService->updateStockLevel($drinkType1, 2); // Low stock
+    $inventoryService->updateStockLevel($drinkType2, 3); // Low stock
+    $inventoryService->updateStockLevel($drinkType3, 10); // Sufficient stock
+
+    // Act
+    $order = $orderService->createOrderFromStockLevels();
+
+    // Assert
+    expect($order)->toBeInstanceOf(Order::class);
+    expect($order->getStatus())->toBe(OrderStatus::NEW);
+
+    // Should only include items for drink types with low stock
+    $orderItems = $order->getOrderItems()->toArray();
+    $drinkTypeIds = array_map(fn($item) => $item->getDrinkType()->getId(), $orderItems);
+
+    expect($drinkTypeIds)->toContain($drinkType1->getId());
+    expect($drinkTypeIds)->toContain($drinkType2->getId());
+    expect($drinkTypeIds)->not->toContain($drinkType3->getId());
+
+    // Check quantities
+    foreach ($orderItems as $item) {
+        $drinkType = $item->getDrinkType();
+        $currentStock = $inventoryService->getCurrentStockLevel($drinkType);
+        $desiredStock = $drinkType->getDesiredStock();
+        $expectedQuantity = $desiredStock - $currentStock;
+
+        expect($item->getQuantity())->toBe($expectedQuantity);
+    }
+});
+
+test('updateOrderStatus updates order status', function () {
+    // Arrange
+    $orderService = $this->getContainer()->get(OrderService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Create an order
+    $order = new Order();
+    $order->setStatus(OrderStatus::NEW);
+    $em->persist($order);
+    $em->flush();
+
+    // Act
+    $updatedOrder = $orderService->updateOrderStatus($order, OrderStatus::ORDERED);
+
+    // Assert
+    expect($updatedOrder)->toBeInstanceOf(Order::class);
+    expect($updatedOrder->getStatus())->toBe(OrderStatus::ORDERED);
+
+    // Verify the status was updated in the database
+});
+
+test('addOrderItem adds item to order', function () {
+    // Arrange
+    $orderService = $this->getContainer()->get(OrderService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Create an order
+    $order = new Order();
+    $order->setStatus(OrderStatus::NEW);
+    $em->persist($order);
+
+    // Create a drink type
+    $drinkType = new DrinkType();
+    $drinkType->setName('Drink Type for Order Item');
+    $drinkType->setDesiredStock(10);
+    $em->persist($drinkType);
+    $em->flush();
+
+    $quantity = 5;
+
+    // Act
+    $orderItem = $orderService->addOrderItem($order, $drinkType, $quantity);
+
+    // Assert
+    expect($orderItem)->toBeInstanceOf(OrderItem::class);
+    expect($orderItem->getOrder()->getId())->toBe($order->getId());
+    expect($orderItem->getDrinkType()->getId())->toBe($drinkType->getId());
+    expect($orderItem->getQuantity())->toBe($quantity);
+
+    // Verify the item was added to the order
+    expect($order->getOrderItems()->contains($orderItem))->toBeTrue();
+});
+
+test('addOrderItem updates quantity if item already exists', function () {
+    // Arrange
+    $orderService = $this->getContainer()->get(OrderService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Create an order
+    $order = new Order();
+    $order->setStatus(OrderStatus::NEW);
+    $em->persist($order);
+
+    // Create a drink type
+    $drinkType = new DrinkType();
+    $drinkType->setName('Drink Type for Existing Order Item');
+    $drinkType->setDesiredStock(10);
+    $em->persist($drinkType);
+    $em->flush();
+
+    // Add an item
+    $initialQuantity = 3;
+    $orderItem = $orderService->addOrderItem($order, $drinkType, $initialQuantity);
+
+    // Act - add another item with the same drink type
+    $additionalQuantity = 2;
+    $updatedOrderItem = $orderService->addOrderItem($order, $drinkType, $additionalQuantity);
+
+    // Assert
+    expect($updatedOrderItem)->toBeInstanceOf(OrderItem::class);
+    expect($updatedOrderItem->getId())->toBe($orderItem->getId());
+    expect($updatedOrderItem->getQuantity())->toBe($initialQuantity + $additionalQuantity);
+
+    // Verify the order still has only one item for this drink type
+    $matchingItems = $order->getOrderItems()->filter(
+        fn($item) => $item->getDrinkType()->getId() === $drinkType->getId()
+    );
+    expect($matchingItems->count())->toBe(1);
+});
+
+test('removeOrderItem removes item from order', function () {
+    // Arrange
+    $orderService = $this->getContainer()->get(OrderService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Create an order
+    $order = new Order();
+    $order->setStatus(OrderStatus::NEW);
+    $em->persist($order);
+
+    // Create a drink type
+    $drinkType = new DrinkType();
+    $drinkType->setName('Drink Type for Order Item Removal');
+    $drinkType->setDesiredStock(10);
+    $em->persist($drinkType);
+    $em->flush();
+
+    // Add an item
+    $orderItem = $orderService->addOrderItem($order, $drinkType, 5);
+
+    // Act
+    $orderService->removeOrderItem($order, $orderItem);
+
+    // Assert
+    expect($order->getOrderItems()->contains($orderItem))->toBeFalse();
+
+    // Verify the item was removed from the database
+    $em->refresh($order);
+    $matchingItems = $order->getOrderItems()->filter(
+        fn($item) => $item->getDrinkType()->getId() === $drinkType->getId()
+    );
+    expect($matchingItems->count())->toBe(0);
+});
+
+test('deleteOrder removes order and its items', function () {
+    // Arrange
+    $orderService = $this->getContainer()->get(OrderService::class);
+    $em = $this->getContainer()->get(EntityManagerInterface::class);
+
+    // Create an order
+    $order = new Order();
+    $order->setStatus(OrderStatus::NEW);
+    $em->persist($order);
+
+    // Create a drink type
+    $drinkType = new DrinkType();
+    $drinkType->setName('Drink Type for Order Deletion');
+    $drinkType->setDesiredStock(10);
+    $em->persist($drinkType);
+    $em->flush();
+
+    // Add an item
+    $orderItem = $orderService->addOrderItem($order, $drinkType, 5);
+    $orderItemId = $orderItem->getId();
+    $orderId = $order->getId();
+
+    // Act
+    $orderService->deleteOrder($order);
+
+    // Assert
+    $deletedOrder = $orderService->getOrderById($orderId);
+    expect($deletedOrder)->toBeNull();
+
+    // Verify the order items were also deleted
+    $orderItemRepo = $this->getContainer()->get(OrderItemRepository::class);
+    $deletedOrderItem = $orderItemRepo->find($orderItemId);
+    expect($deletedOrderItem)->toBeNull();
+});