Ben Davis
92 lines
2.5 KiB
Swift
92 lines
2.5 KiB
Swift
//
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// MultFileHandleTests.swift
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// BitTorrent
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//
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// Created by Ben Davis on 23/07/2017.
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// Copyright © 2017 Ben Davis. All rights reserved.
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//
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import XCTest
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@testable import BitTorrent
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class MultFileHandleTests: XCTestCase {
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var fileHandles: [FileHandleFake]!
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var sut: MultiFileHandle!
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override func setUp() {
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super.setUp()
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fileHandles = [
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FileHandleFake(data: Data(bytes: [1,2,3])),
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FileHandleFake(data: Data(bytes: [4,5,6,7,8])),
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FileHandleFake(data: Data(bytes: [9,10])),
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]
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sut = MultiFileHandle(fileHandles: fileHandles)
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}
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func test_startsAtOffset0() {
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XCTAssertEqual(sut.offsetInFile, 0)
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}
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func test_seekInFile() {
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sut.seek(toFileOffset: 4)
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XCTAssertEqual(sut.offsetInFile, 4)
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}
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func test_seekToEndOfFile() {
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let result = sut.seekToEndOfFile()
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XCTAssertEqual(result, 10)
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XCTAssertEqual(sut.offsetInFile, 10)
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}
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func test_readDataFromFirstFile() {
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let data = sut.readData(ofLength: 2)
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XCTAssertEqualData(data, Data(bytes: [1,2]))
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}
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func test_scanAndReadData() {
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sut.seek(toFileOffset: 4)
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let data = sut.readData(ofLength: 3)
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XCTAssertEqualData(data, Data(bytes: [5,6,7]))
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}
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func test_readDataOverMultipleFiles() {
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let data = sut.readData(ofLength: 5)
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XCTAssertEqualData(data, Data(bytes: [1,2,3,4,5]))
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}
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func test_writeDataFromFirstFile() {
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sut.write(Data(bytes: [11, 12]))
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let fileHandle = fileHandles[0]
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XCTAssertEqualData(fileHandle.data, Data(bytes: [11,12,3]))
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}
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func test_scanAndWriteData() {
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sut.seek(toFileOffset: 4)
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sut.write(Data(bytes: [15, 16, 17]))
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let fileHandle = fileHandles[1]
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XCTAssertEqualData(fileHandle.data, Data(bytes: [4, 15, 16, 17, 8]))
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}
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func test_writeDataOverMultipleFiles() {
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sut.write(Data(bytes: [11, 12, 13, 14, 15]))
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XCTAssertEqualData(fileHandles[0].data, Data(bytes: [11, 12, 13]))
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XCTAssertEqualData(fileHandles[1].data, Data(bytes: [14, 15, 6, 7, 8]))
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}
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func test_synchroniseFileAppliesToAllFiles() {
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sut.synchronizeFile()
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for fileHandle in fileHandles {
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XCTAssert(fileHandle.synchronizeFileCalled)
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}
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}
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func test_canReadLastBytes() {
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sut.seek(toFileOffset: 8)
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let data = sut.readData(ofLength: 2)
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XCTAssertEqualData(data, Data(bytes: [9,10]))
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}
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}
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