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Implementing (initial) of Stream and InputStream. #442
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| // This source file is part of the Swift.org open source project | ||
| // | ||
| // Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors | ||
| // Licensed under Apache License v2.0 with Runtime Library Exception | ||
| // | ||
| // See http://swift.org/LICENSE.txt for license information | ||
| // See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors | ||
| // | ||
|
|
||
| #if DEPLOYMENT_RUNTIME_OBJC || os(Linux) | ||
| import Foundation | ||
| import XCTest | ||
| #else | ||
| import SwiftFoundation | ||
| import SwiftXCTest | ||
| #endif | ||
|
|
||
| class TestNSStream : XCTestCase { | ||
| static var allTests: [(String, (TestNSStream) -> () throws -> Void)] { | ||
| return [ | ||
| ("test_InputStreamWithData", test_InputStreamWithData), | ||
| ("test_InputStreamWithUrl", test_InputStreamWithUrl), | ||
| ("test_InputStreamWithFile", test_InputStreamWithFile), | ||
| ("test_InputStreamHasBytesAvailable", test_InputStreamHasBytesAvailable), | ||
| ("test_InputStreamInvalidPath", test_InputStreamInvalidPath), | ||
| ] | ||
| } | ||
|
|
||
| func test_InputStreamWithData(){ | ||
| let message: NSString = "Hello, playground" | ||
| let messageData: Data = message.data(using: String.Encoding.utf8.rawValue)! | ||
| let dataStream: InputStream = InputStream(data: messageData) | ||
| XCTAssertEqual(Stream.Status.notOpen, dataStream.streamStatus) | ||
| dataStream.open() | ||
| XCTAssertEqual(Stream.Status.open, dataStream.streamStatus) | ||
| var buffer = [UInt8](repeating: 0, count: 20) | ||
| if dataStream.hasBytesAvailable { | ||
| let result: Int = dataStream.read(&buffer, maxLength: buffer.count) | ||
| dataStream.close() | ||
| XCTAssertEqual(Stream.Status.closed, dataStream.streamStatus) | ||
| if(result > 0){ | ||
| let output = NSString(bytes: &buffer, length: buffer.count, encoding: String.Encoding.utf8.rawValue) | ||
| XCTAssertEqual(message, output!) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func test_InputStreamWithUrl() { | ||
| let message: NSString = "Hello, playground" | ||
| let messageData: Data = message.data(using: String.Encoding.utf8.rawValue)! | ||
| //Initialiser with url | ||
| let testFile = createTestFile("testFile_in.txt", _contents: messageData) | ||
| if testFile != nil { | ||
| let url = URL(fileURLWithPath: testFile!) | ||
| let urlStream: InputStream = InputStream(url: url)! | ||
| XCTAssertEqual(Stream.Status.notOpen, urlStream.streamStatus) | ||
| urlStream.open() | ||
| XCTAssertEqual(Stream.Status.open, urlStream.streamStatus) | ||
| var buffer = [UInt8](repeating: 0, count: 20) | ||
| if urlStream.hasBytesAvailable { | ||
| let result :Int = urlStream.read(&buffer, maxLength: buffer.count) | ||
| urlStream.close() | ||
| XCTAssertEqual(Stream.Status.closed, urlStream.streamStatus) | ||
| XCTAssertEqual(messageData.count, result) | ||
| if(result > 0) { | ||
| let output = NSString(bytes: &buffer, length: buffer.count, encoding: String.Encoding.utf8.rawValue) | ||
| XCTAssertEqual(message, output!) | ||
| } | ||
| } | ||
| removeTestFile(testFile!) | ||
| } else { | ||
| XCTFail("Unable to create temp file") | ||
| } | ||
| } | ||
|
|
||
| func test_InputStreamWithFile() { | ||
| let message: NSString = "Hello, playground" | ||
| let messageData: Data = message.data(using: String.Encoding.utf8.rawValue)! | ||
| //Initialiser with file | ||
| let testFile = createTestFile("testFile_in.txt", _contents: messageData) | ||
| if testFile != nil { | ||
| let fileStream: InputStream = InputStream(fileAtPath: testFile!)! | ||
| XCTAssertEqual(Stream.Status.notOpen, fileStream.streamStatus) | ||
| fileStream.open() | ||
| XCTAssertEqual(Stream.Status.open, fileStream.streamStatus) | ||
| var buffer = [UInt8](repeating: 0, count: 20) | ||
| if fileStream.hasBytesAvailable { | ||
| let result: Int = fileStream.read(&buffer, maxLength: buffer.count) | ||
| fileStream.close() | ||
| XCTAssertEqual(Stream.Status.closed, fileStream.streamStatus) | ||
| XCTAssertEqual(messageData.count, result) | ||
| if(result > 0){ | ||
| let output = NSString(bytes: &buffer, length: buffer.count, encoding: String.Encoding.utf8.rawValue) | ||
| XCTAssertEqual(message, output!) | ||
| } | ||
| } | ||
| removeTestFile(testFile!) | ||
| } else { | ||
| XCTFail("Unable to create temp file") | ||
| } | ||
| } | ||
|
|
||
| func test_InputStreamHasBytesAvailable() { | ||
| let message: NSString = "Hello, playground" | ||
| let messageData: Data = message.data(using: String.Encoding.utf8.rawValue)! | ||
| let stream: InputStream = InputStream(data: messageData) | ||
| var buffer = [UInt8](repeating: 0, count: 20) | ||
| stream.open() | ||
| XCTAssertTrue(stream.hasBytesAvailable) | ||
| _ = stream.read(&buffer, maxLength: buffer.count) | ||
| XCTAssertFalse(stream.hasBytesAvailable) | ||
| } | ||
|
|
||
| func test_InputStreamInvalidPath() { | ||
| let fileStream: InputStream = InputStream(fileAtPath: "/tmp/file.txt")! | ||
| XCTAssertEqual(Stream.Status.notOpen, fileStream.streamStatus) | ||
| fileStream.open() | ||
| XCTAssertEqual(Stream.Status.error, fileStream.streamStatus) | ||
| } | ||
|
|
||
| private func createTestFile(_ path: String,_contents: Data) -> String? { | ||
| let tempDir = "/tmp/TestFoundation_Playground_" + NSUUID().UUIDString + "/" | ||
| do { | ||
| try FileManager.default().createDirectory(atPath: tempDir, withIntermediateDirectories: false, attributes: nil) | ||
| if FileManager.default().createFile(atPath: tempDir + "/" + path, contents: _contents, attributes: nil) { | ||
| return tempDir + path | ||
| } else { | ||
| return nil | ||
| } | ||
| } catch _ { | ||
| return nil | ||
| } | ||
|
|
||
| } | ||
|
|
||
| private func removeTestFile(_ location: String) { | ||
| do { | ||
| try FileManager.default().removeItem(atPath: location) | ||
| } catch _ { | ||
|
|
||
| } | ||
| } | ||
| } | ||
|
|
||
|
|
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This should be for all operating systems not just Linux