133 lines
4.6 KiB
Swift
133 lines
4.6 KiB
Swift
//
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// BlockDownloaderTests.swift
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// ZcashLightClientKitTests
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//
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// Created by Francisco Gindre on 18/09/2019.
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// Copyright © 2019 Electric Coin Company. All rights reserved.
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//
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import XCTest
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@testable import ZcashLightClientKit
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// swiftlint:disable implicitly_unwrapped_optional force_cast force_try
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class BlockDownloaderTests: XCTestCase {
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let branchID = "2bb40e60"
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let chainName = "main"
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var darksideWalletService: DarksideWalletService!
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var downloader: CompactBlockDownloading!
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var service: LightWalletService!
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var storage: CompactBlockRepository!
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var cacheDB = try! __cacheDbURL()
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var network = DarksideWalletDNetwork()
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override func setUpWithError() throws {
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try super.setUpWithError()
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service = LightWalletGRPCService(endpoint: LightWalletEndpointBuilder.default)
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storage = try! TestDbBuilder.diskCompactBlockStorage(at: cacheDB)
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downloader = CompactBlockDownloader(service: service, storage: storage)
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darksideWalletService = DarksideWalletService(service: service as! LightWalletGRPCService)
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try FakeChainBuilder.buildChain(darksideWallet: darksideWalletService, branchID: branchID, chainName: chainName)
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try darksideWalletService.applyStaged(nextLatestHeight: 663250)
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}
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override func tearDown() {
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try super.tearDown()
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service = nil
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storage = nil
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downloader = nil
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try? FileManager.default.removeItem(at: cacheDB)
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}
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func testSmallDownloadAsync() {
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let expect = XCTestExpectation(description: self.description)
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expect.expectedFulfillmentCount = 3
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let lowerRange: BlockHeight = self.network.constants.saplingActivationHeight
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let upperRange: BlockHeight = self.network.constants.saplingActivationHeight + 99
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let range = CompactBlockRange(uncheckedBounds: (lowerRange, upperRange))
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downloader.downloadBlockRange(range) { error in
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expect.fulfill()
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XCTAssertNil(error)
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// check what was 'stored'
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self.storage.latestHeight { result in
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expect.fulfill()
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XCTAssertTrue(self.validate(result: result, against: upperRange))
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self.downloader.lastDownloadedBlockHeight { resultHeight in
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expect.fulfill()
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XCTAssertTrue(self.validate(result: resultHeight, against: upperRange))
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}
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}
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}
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wait(for: [expect], timeout: 2)
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}
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func testSmallDownload() {
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let lowerRange: BlockHeight = self.network.constants.saplingActivationHeight
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let upperRange: BlockHeight = self.network.constants.saplingActivationHeight + 99
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let range = CompactBlockRange(uncheckedBounds: (lowerRange, upperRange))
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var latest: BlockHeight = 0
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do {
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latest = try downloader.lastDownloadedBlockHeight()
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} catch {
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XCTFail(error.localizedDescription)
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}
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XCTAssertEqual(latest, BlockHeight.empty())
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XCTAssertNoThrow(try downloader.downloadBlockRange(range))
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var currentLatest: BlockHeight = 0
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do {
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currentLatest = try downloader.lastDownloadedBlockHeight()
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} catch {
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XCTFail("latest block failed")
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return
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}
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XCTAssertEqual(currentLatest, upperRange )
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}
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func testFailure() {
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let awfulDownloader = CompactBlockDownloader(
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service: AwfulLightWalletService(
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latestBlockHeight: self.network.constants.saplingActivationHeight + 1000,
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service: darksideWalletService
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),
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storage: ZcashConsoleFakeStorage()
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)
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let expect = XCTestExpectation(description: self.description)
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expect.expectedFulfillmentCount = 1
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let lowerRange: BlockHeight = self.network.constants.saplingActivationHeight
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let upperRange: BlockHeight = self.network.constants.saplingActivationHeight + 99
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let range = CompactBlockRange(uncheckedBounds: (lowerRange, upperRange))
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awfulDownloader.downloadBlockRange(range) { error in
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expect.fulfill()
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XCTAssertNotNil(error)
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}
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wait(for: [expect], timeout: 2)
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}
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}
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/// Helper functions
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extension BlockDownloaderTests {
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func validate(result: Result<BlockHeight, Error>, against height: BlockHeight) -> Bool {
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switch result {
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case .success(let resultHeight):
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return resultHeight == height
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default:
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return false
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}
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}
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}
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