Coverage Summary for Class: BackupEncryptionInfo (com.georgeci.moneysurfer.domain.backup)

 package com.georgeci.moneysurfer.domain.backup
 
 import kotlinx.serialization.Serializable
 
 /**
  * Self-describing header of a backup ZIP — written as the first entry
  * (`manifest.json`) and read before any file extraction so the importer can
  * reject incompatible payloads up front.
  */
 @Serializable
 data class BackupManifest(
     val backupFormatVersion: Int,
     val moneySurferDbVersion: Int,
     val appVersion: String,
     val appVersionCode: Int,
     val sourcePlatform: String,
     val createdAtEpochMillis: Long,
     val files: List<String>,
     val encryption: BackupEncryptionInfo? = null,
 ) {
     companion object {
         const val CURRENT_FORMAT_VERSION: Int = 1
         const val MANIFEST_ENTRY_NAME: String = "manifest.json"
         const val MAIN_DB_ENTRY_NAME: String = "moneysurfer.db"
         const val DATASTORE_ENTRY_NAME: String = "moneysurfer_settings.preferences_pb"
         const val ENCRYPTED_PAYLOAD_ENTRY_NAME: String = "payload.enc"
     }
 }
 
 /**
  * Marks a backup whose data entries live inside an encrypted `payload.enc`
  * instead of as plain ZIP entries. Absent (`null`) on unencrypted backups —
  * and omitted from the JSON, so older app versions still parse plain backups.
  */
 @Serializable
 data class BackupEncryptionInfo(val scheme: String) {
     companion object {
         /** PBKDF2-HMAC-SHA256 key derivation, AES-256-CTR + HMAC-SHA256 encrypt-then-MAC. */
         const val SCHEME_V1: String = "PBKDF2-AES256CTR-HMACSHA256-v1"
     }
 }