Fix Unit Tests on Linux

Author: Andrea Scuderi

Package.swift

@@ -82,6 +82,7 @@ let package = Package(
         .testTarget(
             name: "BreezeDynamoDBServiceTests",
             dependencies: [
+                .product(name: "AWSLambdaRuntime", package: "swift-aws-lambda-runtime"),
                 .product(name: "ServiceLifecycle", package: "swift-service-lifecycle"),
                 .product(name: "ServiceLifecycleTestKit", package: "swift-service-lifecycle"),
                 "BreezeDynamoDBService"

Tests/BreezeDynamoDBServiceTests/LocalStackDynamoDB.swift

@@ -13,20 +13,21 @@
 //    limitations under the License.
 
 import SotoDynamoDB
+import AWSLambdaRuntime
 import Logging
 
 enum LocalStackDynamoDB {
 
     static let endpoint: String = {
-        if let localstack = getEnvironmentVar(name: "LOCALSTACK_ENDPOINT"),
+        if let localstack = Lambda.env("LOCALSTACK_ENDPOINT"),
            !localstack.isEmpty {
             return localstack
         }
         return "http://localhost:4566"
     }()
 
     public static let logger: Logger = {
-        if let loggingLevel = getEnvironmentVar(name: "AWS_LOG_LEVEL") {
+        if let loggingLevel = Lambda.env("AWS_LOG_LEVEL") {
             if let logLevel = Logger.Level(rawValue: loggingLevel.lowercased()) {
                 var logger = Logger(label: "breeze")
                 logger.logLevel = logLevel

Tests/BreezeDynamoDBServiceTests/Utils.swift

@@ -269,7 +269,6 @@ struct BreezeLambdaHandlerTests {
 
     @Test
     func test_delete_whenMissingItem_thenError() async throws {
-        setEnvironmentVar(name: "_HANDLER", value: "build/Products.delete", overwrite: true)
         let keyedResponse = Fixtures.product2022
         let deleteProductsSku = try Fixtures.fixture(name: Fixtures.deleteProductsSkuRequest, type: "json")
         let request = try decoder.decode(APIGatewayV2Request.self, from: deleteProductsSku)

Tests/BreezeLambdaAPITests/BreezeLambdaHandlerTests.swift

@@ -12,11 +12,7 @@
 //    See the License for the specific language governing permissions and
 //    limitations under the License.
 
-#if canImport(FoundationEssentials)
-import FoundationEssentials
-#else
 import Foundation
-#endif
 import BreezeLambdaAPI
 import AWSLambdaEvents