test: clean up persistence test for bdk-swift

bdk-swift/Package.swift

@@ -33,6 +33,10 @@ let package = Package(
         ),
         .testTarget(
             name: "BitcoinDevKitTests",
-            dependencies: ["BitcoinDevKit"]),
+            dependencies: ["BitcoinDevKit"],
+            resources: [
+                .copy("Resources/pre_existing_wallet_persistence_test.sqlite")
+            ]
+        ),
     ]
 )

bdk-swift/Tests/BitcoinDevKitTests/LiveElectrumClientTests.swift

@@ -2,6 +2,8 @@ import XCTest
 @testable import BitcoinDevKit
 
 private let SIGNET_ELECTRUM_URL = "ssl://mempool.space:60602"
+
+final class LiveElectrumClientTests: XCTestCase {
     private let descriptor = try! Descriptor(
         descriptor: "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)", 
         network: Network.signet
@@ -11,7 +13,6 @@ private let changeDescriptor = try! Descriptor(
         network: Network.signet
     )
 
-final class LiveElectrumClientTests: XCTestCase {
     func testSyncedBalance() throws {
         let wallet = try Wallet(
             descriptor: descriptor,

bdk-swift/Tests/BitcoinDevKitTests/LiveMemoryWalletTests.swift

@@ -3,6 +3,8 @@ import XCTest
 
 private let SIGNET_ESPLORA_URL = "http://signet.bitcoindevkit.net"
 private let TESTNET_ESPLORA_URL = "https://esplora.testnet.kuutamo.cloud"
+
+final class LiveMemoryWalletTests: XCTestCase {
     private let descriptor = try! Descriptor(
         descriptor: "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)", 
         network: Network.signet
@@ -12,8 +14,6 @@ private let changeDescriptor = try! Descriptor(
         network: Network.signet
     )
 
-final class LiveMemoryWalletTests: XCTestCase {
-
     func testSyncedBalance() throws {
         let wallet = try Wallet(
             descriptor: descriptor,

bdk-swift/Tests/BitcoinDevKitTests/LiveTransactionTests.swift

@@ -3,6 +3,9 @@ import XCTest
 
 private let SIGNET_ESPLORA_URL = "http://signet.bitcoindevkit.net"
 private let TESTNET_ESPLORA_URL = "https://esplora.testnet.kuutamo.cloud"
+
+
+final class LiveTransactionTests: XCTestCase {
     private let descriptor = try! Descriptor(
     descriptor: "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)", 
     network: Network.signet
@@ -12,7 +15,6 @@ private let changeDescriptor = try! Descriptor(
         network: Network.signet
     )
 
-final class LiveTransactionTests: XCTestCase {
     func testSyncedBalance() throws {
         let wallet = try Wallet(
             descriptor: descriptor,

bdk-swift/Tests/BitcoinDevKitTests/LiveTxBuilderTests.swift

@@ -3,6 +3,8 @@ import XCTest
 
 private let SIGNET_ESPLORA_URL = "http://signet.bitcoindevkit.net"
 private let TESTNET_ESPLORA_URL = "https://esplora.testnet.kuutamo.cloud"
+
+final class LiveTxBuilderTests: XCTestCase {
     private let descriptor = try! Descriptor(
     descriptor: "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)", 
     network: Network.signet
@@ -11,8 +13,6 @@ private let changeDescriptor = try! Descriptor(
         descriptor: "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/1/*)", 
         network: Network.signet
     )
-
-final class LiveTxBuilderTests: XCTestCase {
     var dbFilePath: URL!
 
     override func setUpWithError() throws {

bdk-swift/Tests/BitcoinDevKitTests/LiveWalletTests.swift

@@ -3,6 +3,8 @@ import XCTest
 
 private let SIGNET_ESPLORA_URL = "http://signet.bitcoindevkit.net"
 private let TESTNET_ESPLORA_URL = "https://esplora.testnet.kuutamo.cloud"
+
+final class LiveWalletTests: XCTestCase {
     private let descriptor = try! Descriptor(
     descriptor: "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)", 
     network: Network.signet
@@ -11,8 +13,6 @@ private let changeDescriptor = try! Descriptor(
         descriptor: "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/1/*)", 
         network: Network.signet
     )
-
-final class LiveWalletTests: XCTestCase {
     var dbFilePath: URL!
 
     override func setUpWithError() throws {

bdk-swift/Tests/BitcoinDevKitTests/OfflinePersistenceTests.swift

@@ -1,6 +1,7 @@
 import XCTest
 @testable import BitcoinDevKit
 
+final class OfflinePersistenceTests: XCTestCase {
     private let descriptor = try! Descriptor(
     descriptor: "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)", 
     network: Network.signet
@@ -9,22 +10,24 @@ private let changeDescriptor = try! Descriptor(
         descriptor: "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/1/*)", 
         network: Network.signet
     )
-
-final class OfflinePersistenceTests: XCTestCase {
     var dbFilePath: URL!
 
     override func setUpWithError() throws {
         super.setUp()
-        let currentDirectoryURL = URL(fileURLWithPath: FileManager.default.currentDirectoryPath)
+
-        let dbFileName = "pre_existing_wallet_persistence_test.sqlite"
+        guard let resourceUrl = Bundle.module.url(
-        dbFilePath = currentDirectoryURL.appendingPathComponent(dbFileName)
+          forResource: "pre_existing_wallet_persistence_test",
+          withExtension: "sqlite"
+        ) else {
+            print("error finding resourceURL")
+            return
+        }
+        dbFilePath = resourceUrl
     }
 
     func testPersistence() throws {
         let sqliteStore = try! SqliteStore(path: dbFilePath.path)
         let initialChangeSet = try! sqliteStore.read()
-        XCTAssertTrue(initialChangeSet != nil, "ChangeSet should not be nil after loading a valid database")
-        
         let wallet = try Wallet.newOrLoad(
             descriptor: descriptor,
             changeDescriptor: changeDescriptor,

bdk-swift/Tests/BitcoinDevKitTests/OfflineWalletTests.swift

@@ -1,6 +1,7 @@
 import XCTest
 @testable import BitcoinDevKit
 
+final class OfflineWalletTests: XCTestCase {
     private let descriptor = try! Descriptor(
     descriptor: "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/0/*)", 
     network: Network.signet
@@ -9,8 +10,6 @@ private let changeDescriptor = try! Descriptor(
         descriptor: "wpkh(tprv8ZgxMBicQKsPf2qfrEygW6fdYseJDDrVnDv26PH5BHdvSuG6ecCbHqLVof9yZcMoM31z9ur3tTYbSnr1WBqbGX97CbXcmp5H6qeMpyvx35B/84h/1h/0h/1/*)", 
         network: Network.signet
     )
-
-final class OfflineWalletTests: XCTestCase {
     var dbFilePath: URL!
 
     override func setUpWithError() throws {