汉秋
90d135b5ac
引入进程级 CameraTetheringSession 与共享 USB Browser；离开传图页仅取消 UI 回调，App 终止时再完整 shutdown 释放 PTP 与 Browser 资源。 Co-authored-by: Cursor <cursoragent@cursor.com>
86 lines
4.1 KiB
Swift
86 lines
4.1 KiB
Swift
//
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// CanonPTPCommandsTests.swift
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// suixinkanTests
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//
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import XCTest
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@testable import suixinkan
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/// Canon PTP 命令与事件解析测试。
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final class CanonPTPCommandsTests: XCTestCase {
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/// 测试 SetRemoteMode 命令包 opcode。
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func testBuildSetRemoteModeCommand() {
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let data = PTPHelper.buildCommand(
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code: CanonPTPCommand.eosSetRemoteMode,
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transactionID: 1,
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parameters: [1]
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)
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XCTAssertEqual(data.count, 16)
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XCTAssertEqual(data[6], 0x14)
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XCTAssertEqual(data[7], 0x91)
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}
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/// 测试 ObjectAddedEx (0xC181) 事件解析。
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func testParseObjectAddedExEvent() {
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var blob = Data()
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let recordSize: UInt32 = 8 + 40
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blob.append(contentsOf: withUnsafeBytes(of: recordSize.littleEndian) { Data($0) })
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blob.append(contentsOf: withUnsafeBytes(of: CanonPTPCommand.eosObjectAddedEx.littleEndian) { Data($0) })
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blob.append(contentsOf: withUnsafeBytes(of: UInt32(0x1234).littleEndian) { Data($0) }) // handle
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blob.append(contentsOf: withUnsafeBytes(of: UInt32(0x00010001).littleEndian) { Data($0) }) // storage
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blob.append(contentsOf: withUnsafeBytes(of: UInt32(0x3801).littleEndian) { Data($0) }) // ofc
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blob.append(contentsOf: withUnsafeBytes(of: UInt32(0).littleEndian) { Data($0) }) // flags
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blob.append(contentsOf: withUnsafeBytes(of: UInt32(0).littleEndian) { Data($0) }) // parent
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blob.append(contentsOf: withUnsafeBytes(of: UInt32(0).littleEndian) { Data($0) }) // reserved
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blob.append(contentsOf: withUnsafeBytes(of: UInt32(1024).littleEndian) { Data($0) }) // size
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blob.append(contentsOf: withUnsafeBytes(of: UInt32(0).littleEndian) { Data($0) }) // reserved
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let filename = "IMG_0001.JPG"
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blob.append(filename.data(using: .ascii)!)
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blob.append(0)
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let events = CanonEosEventParser.parse(blob)
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XCTAssertEqual(events.count, 1)
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guard case .objectAdded(let added) = events[0] else {
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return XCTFail("expected objectAdded")
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}
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XCTAssertEqual(added.objectHandle, 0x1234)
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XCTAssertEqual(added.filename, "IMG_0001.JPG")
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XCTAssertEqual(added.size, 1024)
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}
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/// 测试 ObjectAddedEx2 (0xC1A7) 大文件 size 解析。
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func testParseObjectAddedEx2Event() {
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var blob = Data()
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let recordSize: UInt32 = 8 + 48
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blob.append(contentsOf: withUnsafeBytes(of: recordSize.littleEndian) { Data($0) })
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blob.append(contentsOf: withUnsafeBytes(of: CanonPTPCommand.eosObjectAddedEx2.littleEndian) { Data($0) })
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blob.append(contentsOf: withUnsafeBytes(of: UInt32(0x5678).littleEndian) { Data($0) })
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blob.append(contentsOf: withUnsafeBytes(of: UInt32(0x00010001).littleEndian) { Data($0) })
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blob.append(contentsOf: withUnsafeBytes(of: UInt32(0x3801).littleEndian) { Data($0) })
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blob.append(contentsOf: withUnsafeBytes(of: UInt32(0).littleEndian) { Data($0) })
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blob.append(contentsOf: withUnsafeBytes(of: UInt32(0).littleEndian) { Data($0) })
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blob.append(contentsOf: withUnsafeBytes(of: UInt32(512).littleEndian) { Data($0) }) // sizeLow
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blob.append(contentsOf: withUnsafeBytes(of: UInt32(1).littleEndian) { Data($0) }) // sizeHigh
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blob.append(contentsOf: withUnsafeBytes(of: UInt32(0).littleEndian) { Data($0) })
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blob.append(contentsOf: withUnsafeBytes(of: UInt32(0).littleEndian) { Data($0) })
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blob.append("LARGE.JPG".data(using: .ascii)!)
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blob.append(0)
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let events = CanonEosEventParser.parse(blob)
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XCTAssertEqual(events.count, 1)
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guard case .objectAdded(let added) = events[0] else {
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return XCTFail("expected objectAdded")
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}
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XCTAssertEqual(added.objectHandle, 0x5678)
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XCTAssertEqual(added.size, 512 | (1 << 32))
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}
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/// 测试支持的文件名扩展名过滤。
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func testSupportedFilenameExtensions() {
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XCTAssertTrue(CanonPTPHelper.isSupportedFilename("photo.JPG"))
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XCTAssertTrue(CanonPTPHelper.isSupportedFilename("photo.cr2"))
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XCTAssertFalse(CanonPTPHelper.isSupportedFilename("photo.tif"))
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}
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}
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