swift-nio/Tests/NIOCoreTests/BaseObjectsTest.swift

122 lines
4.5 KiB
Swift

//===----------------------------------------------------------------------===//
//
// This source file is part of the SwiftNIO open source project
//
// Copyright (c) 2017-2021 Apple Inc. and the SwiftNIO project authors
// Licensed under Apache License v2.0
//
// See LICENSE.txt for license information
// See CONTRIBUTORS.txt for the list of SwiftNIO project authors
//
// SPDX-License-Identifier: Apache-2.0
//
//===----------------------------------------------------------------------===//
import XCTest
@testable import NIOCore
class BaseObjectTest: XCTestCase {
func testNIOByteBufferConversion() {
let expected = ByteBufferAllocator().buffer(capacity: 1024)
let asAny = NIOAny(expected)
XCTAssertEqual(expected, asAny.forceAs(type: ByteBuffer.self))
XCTAssertEqual(expected, asAny.forceAsByteBuffer())
if let actual = asAny.tryAs(type: ByteBuffer.self) {
XCTAssertEqual(expected, actual)
} else {
XCTFail("tryAs didn't work")
}
if let actual = asAny.tryAsByteBuffer() {
XCTAssertEqual(expected, actual)
} else {
XCTFail("tryAs didn't work")
}
}
func testNIOIODataConversion() {
let expected = IOData.byteBuffer(ByteBufferAllocator().buffer(capacity: 1024))
let asAny = NIOAny(expected)
XCTAssertEqual(expected, asAny.forceAs(type: IOData.self))
XCTAssertEqual(expected, asAny.forceAsIOData())
if let actual = asAny.tryAs(type: IOData.self) {
XCTAssertEqual(expected, actual)
} else {
XCTFail("tryAs didn't work")
}
if let actual = asAny.tryAsIOData() {
XCTAssertEqual(expected, actual)
} else {
XCTFail("tryAs didn't work")
}
}
func testNIOFileRegionConversion() {
let handle = NIOFileHandle(descriptor: -1)
let expected = FileRegion(fileHandle: handle, readerIndex: 1, endIndex: 2)
defer {
// fake descriptor, so shouldn't be closed.
XCTAssertNoThrow(try handle.takeDescriptorOwnership())
}
let asAny = NIOAny(expected)
XCTAssert(expected == asAny.forceAs(type: FileRegion.self))
XCTAssert(expected == asAny.forceAsFileRegion())
if let actual = asAny.tryAs(type: FileRegion.self) {
XCTAssert(expected == actual)
} else {
XCTFail("tryAs didn't work")
}
if let actual = asAny.tryAsFileRegion() {
XCTAssert(expected == actual)
} else {
XCTFail("tryAs didn't work")
}
}
func testBadConversions() {
let handle = NIOFileHandle(descriptor: -1)
let bb = ByteBufferAllocator().buffer(capacity: 1024)
let fr = FileRegion(fileHandle: handle, readerIndex: 1, endIndex: 2)
defer {
// fake descriptor, so shouldn't be closed.
XCTAssertNoThrow(try handle.takeDescriptorOwnership())
}
let id = IOData.byteBuffer(bb)
XCTAssertNil(NIOAny(bb).tryAsFileRegion())
XCTAssertNil(NIOAny(fr).tryAsByteBuffer())
XCTAssertNil(NIOAny(id).tryAsFileRegion())
}
func testByteBufferFromIOData() {
let expected = ByteBufferAllocator().buffer(capacity: 1024)
let wrapped = IOData.byteBuffer(expected)
XCTAssertEqual(expected, NIOAny(wrapped).tryAsByteBuffer())
}
func testFileRegionFromIOData() {
let handle = NIOFileHandle(descriptor: -1)
let expected = FileRegion(fileHandle: handle, readerIndex: 1, endIndex: 2)
defer {
// fake descriptor, so shouldn't be closed.
XCTAssertNoThrow(try handle.takeDescriptorOwnership())
}
let wrapped = IOData.fileRegion(expected)
XCTAssert(expected == NIOAny(wrapped).tryAsFileRegion())
}
func testIODataEquals() {
let handle = NIOFileHandle(descriptor: -1)
var bb1 = ByteBufferAllocator().buffer(capacity: 1024)
let bb2 = ByteBufferAllocator().buffer(capacity: 1024)
bb1.writeString("hello")
let fr = FileRegion(fileHandle: handle, readerIndex: 1, endIndex: 2)
defer {
// fake descriptor, so shouldn't be closed.
XCTAssertNoThrow(try handle.takeDescriptorOwnership())
}
XCTAssertEqual(IOData.byteBuffer(bb1), IOData.byteBuffer(bb1))
XCTAssertNotEqual(IOData.byteBuffer(bb1), IOData.byteBuffer(bb2))
XCTAssertNotEqual(IOData.byteBuffer(bb1), IOData.fileRegion(fr))
}
}