144 lines
5.5 KiB
Swift
144 lines
5.5 KiB
Swift
//
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// InternalStateConsistencyTests.swift
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// DarksideTests
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//
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// Created by Francisco Gindre on 1/26/23.
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//
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import Combine
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import XCTest
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@testable import TestUtils
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@testable import ZcashLightClientKit
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final class InternalStateConsistencyTests: XCTestCase {
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let sendAmount = Zatoshi(1000)
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var birthday: BlockHeight = 663150
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let defaultLatestHeight: BlockHeight = 663175
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var coordinator: TestCoordinator!
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var firstSyncExpectation = XCTestExpectation(description: "first sync expectation")
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var expectedReorgHeight: BlockHeight = 665188
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var expectedRewindHeight: BlockHeight = 665188
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var reorgExpectation = XCTestExpectation(description: "reorg")
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let branchID = "2bb40e60"
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let chainName = "main"
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let network = DarksideWalletDNetwork()
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var sdkSynchronizerSyncStatusHandler: SDKSynchronizerSyncStatusHandler! = SDKSynchronizerSyncStatusHandler()
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override func setUpWithError() throws {
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try super.setUpWithError()
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self.coordinator = try TestCoordinator(
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walletBirthday: birthday + 50, // don't use an exact birthday, users never do.
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network: network
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)
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try coordinator.reset(saplingActivation: 663150, branchID: self.branchID, chainName: self.chainName)
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}
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override func tearDownWithError() throws {
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try super.tearDownWithError()
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NotificationCenter.default.removeObserver(self)
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try coordinator.stop()
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try? FileManager.default.removeItem(at: coordinator.databases.fsCacheDbRoot)
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try? FileManager.default.removeItem(at: coordinator.databases.dataDB)
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try? FileManager.default.removeItem(at: coordinator.databases.pendingDB)
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coordinator = nil
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sdkSynchronizerSyncStatusHandler = nil
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}
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@MainActor func testInternalStateIsConsistentWhenMigrating() async throws {
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sdkSynchronizerSyncStatusHandler.subscribe(
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to: coordinator.synchronizer.stateStream,
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expectations: [.stopped: firstSyncExpectation]
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)
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let fullSyncLength = 1000
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try FakeChainBuilder.buildChain(darksideWallet: coordinator.service, branchID: branchID, chainName: chainName, length: fullSyncLength)
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sleep(1)
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// apply the height
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try coordinator.applyStaged(blockheight: 664150)
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sleep(1)
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try coordinator.sync(
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completion: { _ in
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XCTFail("shouldn't have completed")
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},
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error: handleError
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)
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DispatchQueue.global().asyncAfter(deadline: .now() + 1) { [weak self] in
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self?.coordinator.synchronizer.stop()
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}
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wait(for: [firstSyncExpectation], timeout: 2)
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XCTAssertFalse(coordinator.synchronizer.status.isSyncing)
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XCTAssertEqual(coordinator.synchronizer.status, .stopped)
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let internalSyncState = InternalSyncProgress(storage: UserDefaults.standard)
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let latestDownloadHeight = await internalSyncState.latestDownloadedBlockHeight
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let latestScanHeight = try coordinator.synchronizer.initializer.transactionRepository.lastScannedHeight()
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let dbHandle = TestDbHandle(originalDb: TestDbBuilder.prePopulatedDarksideCacheDb()!)
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try dbHandle.setUp()
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if latestDownloadHeight > latestScanHeight {
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try await coordinator.synchronizer.blockProcessor.migrateCacheDb(dbHandle.readWriteDb)
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let afterMigrationDownloadedHeight = await internalSyncState.latestDownloadedBlockHeight
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XCTAssertNotEqual(latestDownloadHeight, afterMigrationDownloadedHeight)
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XCTAssertEqual(latestScanHeight, afterMigrationDownloadedHeight)
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} else {
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try await coordinator.synchronizer.blockProcessor.migrateCacheDb(dbHandle.readWriteDb)
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let afterMigrationDownloadedHeight = await internalSyncState.latestDownloadedBlockHeight
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XCTAssertEqual(latestDownloadHeight, afterMigrationDownloadedHeight)
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XCTAssertEqual(latestScanHeight, afterMigrationDownloadedHeight)
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}
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XCTAssertFalse(FileManager.default.isReadableFile(atPath: dbHandle.readWriteDb.path))
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// clear to simulate a clean slate from the FsBlockDb
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try await coordinator.synchronizer.blockProcessor.storage.clear()
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// Now let's resume scanning and see how it goes.
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let secondSyncAttemptExpectation = XCTestExpectation(description: "second sync attempt")
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try await withCheckedThrowingContinuation { continuation in
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do {
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try coordinator.sync(
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completion: { _ in
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XCTAssertTrue(true)
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secondSyncAttemptExpectation.fulfill()
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continuation.resume()
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},
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error: { error in
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secondSyncAttemptExpectation.fulfill()
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guard let error else {
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XCTFail("there was an unknown error")
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continuation.resume()
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return
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}
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continuation.resume(throwing: error)
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}
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)
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} catch {
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continuation.resume(throwing: error)
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}
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}
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wait(for: [secondSyncAttemptExpectation], timeout: 10)
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}
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func handleError(_ error: Error?) {
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guard let testError = error else {
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XCTFail("failed with nil error")
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return
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}
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XCTFail("Failed with error: \(testError)")
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}
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}
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