Updated incorrect sns event fields to match correct format (#26)

Author: mufumade

Sources/AWSLambdaEvents/SNS.swift

@@ -54,7 +54,7 @@ public struct SNSEvent: Decodable {
         public var timestamp: Date
         public let signingCertURL: String
         public let message: String
-        public let unsubscribeUrl: String
+        public let unsubscribeURL: String
         public let subject: String?
     }
 }
@@ -68,9 +68,9 @@ extension SNSEvent.Message: Decodable {
         case messageAttributes = "MessageAttributes"
         case signatureVersion = "SignatureVersion"
         case timestamp = "Timestamp"
-        case signingCertURL = "SigningCertUrl"
+        case signingCertURL = "SigningCertURL"
         case message = "Message"
-        case unsubscribeUrl = "UnsubscribeUrl"
+        case unsubscribeURL = "UnsubscribeURL"
         case subject = "Subject"
     }
 }

Tests/AWSLambdaEventsTests/SNSTests.swift

@@ -32,8 +32,8 @@ class SNSTests: XCTestCase {
             "Timestamp": "2020-01-08T14:18:51.203Z",
             "SignatureVersion": "1",
             "Signature": "LJMF/xmMH7A1gNy2unLA3hmzyf6Be+zS/Yeiiz9tZbu6OG8fwvWZeNOcEZardhSiIStc0TF7h9I+4Qz3omCntaEfayzTGmWN8itGkn2mfn/hMFmPbGM8gEUz3+jp1n6p+iqP3XTx92R0LBIFrU3ylOxSo8+SCOjA015M93wfZzwj0WPtynji9iAvvtf15d8JxPUu1T05BRitpFd5s6ZXDHtVQ4x/mUoLUN8lOVp+rs281/ZdYNUG/V5CwlyUDTOERdryTkBJ/GO1NNPa+6m04ywJFa5d+BC8mDcUcHhhXXjpTEbt8AHBmswK3nudHrVMRO/G4zmssxU2P7ii5+gCfA==",
-            "SigningCertUrl": "https://sns.eu-central-1.amazonaws.com/SimpleNotificationService-6aad65c2f9911b05cd53efda11f913f9.pem",
-            "UnsubscribeUrl": "https://sns.eu-central-1.amazonaws.com/?Action=Unsubscribe&SubscriptionArn=arn:aws:sns:eu-central-1:079477498937:EventSources-SNSTopic-1NHENSE2MQKF5:6fabdb7f-b27e-456d-8e8a-14679db9e40c",
+            "SigningCertURL": "https://sns.eu-central-1.amazonaws.com/SimpleNotificationService-6aad65c2f9911b05cd53efda11f913f9.pem",
+            "UnsubscribeURL": "https://sns.eu-central-1.amazonaws.com/?Action=Unsubscribe&SubscriptionArn=arn:aws:sns:eu-central-1:079477498937:EventSources-SNSTopic-1NHENSE2MQKF5:6fabdb7f-b27e-456d-8e8a-14679db9e40c",
             "MessageAttributes": {
               "binary":{
                 "Type": "Binary",
@@ -72,7 +72,7 @@ class SNSTests: XCTestCase {
         XCTAssertEqual(record.sns.signatureVersion, "1")
         XCTAssertEqual(record.sns.signature, "LJMF/xmMH7A1gNy2unLA3hmzyf6Be+zS/Yeiiz9tZbu6OG8fwvWZeNOcEZardhSiIStc0TF7h9I+4Qz3omCntaEfayzTGmWN8itGkn2mfn/hMFmPbGM8gEUz3+jp1n6p+iqP3XTx92R0LBIFrU3ylOxSo8+SCOjA015M93wfZzwj0WPtynji9iAvvtf15d8JxPUu1T05BRitpFd5s6ZXDHtVQ4x/mUoLUN8lOVp+rs281/ZdYNUG/V5CwlyUDTOERdryTkBJ/GO1NNPa+6m04ywJFa5d+BC8mDcUcHhhXXjpTEbt8AHBmswK3nudHrVMRO/G4zmssxU2P7ii5+gCfA==")
         XCTAssertEqual(record.sns.signingCertURL, "https://sns.eu-central-1.amazonaws.com/SimpleNotificationService-6aad65c2f9911b05cd53efda11f913f9.pem")
-        XCTAssertEqual(record.sns.unsubscribeUrl, "https://sns.eu-central-1.amazonaws.com/?Action=Unsubscribe&SubscriptionArn=arn:aws:sns:eu-central-1:079477498937:EventSources-SNSTopic-1NHENSE2MQKF5:6fabdb7f-b27e-456d-8e8a-14679db9e40c")
+        XCTAssertEqual(record.sns.unsubscribeURL, "https://sns.eu-central-1.amazonaws.com/?Action=Unsubscribe&SubscriptionArn=arn:aws:sns:eu-central-1:079477498937:EventSources-SNSTopic-1NHENSE2MQKF5:6fabdb7f-b27e-456d-8e8a-14679db9e40c")
 
         XCTAssertEqual(record.sns.messageAttributes?.count, 2)