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