{"id":190855,"date":"2022-05-27T03:29:45","date_gmt":"2022-05-26T19:29:45","guid":{"rendered":"https:\/\/www.idc.net\/help\/190855\/"},"modified":"2022-05-27T03:29:45","modified_gmt":"2022-05-26T19:29:45","slug":"%e5%90%8e%e6%b5%aa%e4%ba%91ios%e6%95%99%e7%a8%8b%ef%bc%9a%e5%9c%a8%e7%8e%b0%e6%9c%89%e9%a1%b9%e7%9b%ae%e4%b8%ad%e6%b7%bb%e5%8a%a0%e5%8d%95%e5%85%83%e6%b5%8b%e8%af%95","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/190855\/","title":{"rendered":"\u540e\u6d6a\u4e91IOS\u6559\u7a0b\uff1a\u5728\u73b0\u6709\u9879\u76ee\u4e2d\u6dfb\u52a0\u5355\u5143\u6d4b\u8bd5"},"content":{"rendered":"

\u6982\u89c8 <\/h2>\n

\u5355\u5143\u6d4b\u8bd5\u4f7f\u7528 XCTest \u6765\u7f16\u5199\uff0c\u53ef\u8ba9\u4f60\u786e\u4fe1\u66f4\u6539\u548c\u6dfb\u52a0\u5185\u5bb9\u4e0d\u4f1a\u5bfc\u81f4 App \u529f\u80fd\u4e0b\u964d\uff0c\u4ece\u800c\u52a0\u5feb\u4f60\u7684\u5f00\u53d1\u901f\u5ea6\u3002\u5728\u73b0\u6709\u9879\u76ee\u4e2d\u6dfb\u52a0\u5355\u5143\u6d4b\u8bd5\u53ef\u80fd\u6bd4\u8f83\u96be\uff0c\u56e0\u4e3a\u5982\u679c\u505a\u51fa\u7684\u8bbe\u8ba1\u9009\u62e9\u6ca1\u6709\u8003\u8651\u53ef\u6d4b\u8bd5\u6027\uff0c\u53ef\u80fd\u4f1a\u4f7f\u4e0d\u540c\u7684\u7c7b\u6216\u5b50\u7cfb\u7edf\u8026\u5408\u5728\u4e00\u8d77\uff0c\u5bfc\u81f4\u65e0\u6cd5\u5c06\u5b83\u4eec\u5206\u5f00\u6d4b\u8bd5\u3002\u8f6f\u4ef6\u8bbe\u8ba1\u4e2d\u7684\u8026\u5408\u8868\u73b0\u4e3a\u67d0\u4e2a\u7c7b\u6216\u51fd\u6570\u53ea\u6709\u5728\u4e0e\u4ee5\u7279\u5b9a\u65b9\u5f0f\u5de5\u4f5c\u7684\u5176\u4ed6\u4ee3\u7801\u8fde\u63a5\u65f6\u624d\u80fd\u6210\u529f\u5730\u4f7f\u7528\u3002\u6709\u65f6\uff0c\u8fd9\u79cd\u8026\u5408\u610f\u5473\u7740\u4f60\u7684\u6d4b\u8bd5\u4f1a\u5c1d\u8bd5\u8fde\u63a5\u7f51\u7edc\u6216\u4e0e\u6587\u4ef6\u7cfb\u7edf\u4ea4\u4e92\uff0c\u800c\u8fd9\u4f1a\u9020\u6210\u6d4b\u8bd5\u901f\u5ea6\u51cf\u6162\u5e76\u8ba9\u7ed3\u679c\u53d8\u5f97\u4e0d\u786e\u5b9a\u3002\u79fb\u9664\u8026\u5408\u540e\u4fbf\u53ef\u4ee5\u5f15\u5165\u5355\u5143\u6d4b\u8bd5\uff0c\u4f46\u9700\u8981\u4f60\u5728\u6d4b\u8bd5\u8fd8\u6ca1\u6709\u8986\u76d6\u7684\u4f4d\u7f6e\u4e0a\u8fdb\u884c\u4ee3\u7801\u66f4\u6539\uff0c\u800c\u8fd9\u53ef\u80fd\u5b58\u5728\u98ce\u9669\u3002 <\/p>\n

\u901a\u8fc7\u786e\u5b9a\u4f60\u60f3\u8981\u6d4b\u8bd5\u7684\u7ec4\u4ef6\uff0c\u5e76\u7f16\u5199\u80fd\u6db5\u76d6\u4f60\u8981\u65ad\u8a00\u7684\u884c\u4e3a\u7684\u6d4b\u8bd5\u7528\u4f8b\uff0c\u6539\u8fdb\u4f60\u9879\u76ee\u4e2d\u7684\u6d4b\u8bd5\u8986\u76d6\u8303\u56f4\u3002\u5229\u7528\u4ee5\u98ce\u9669\u5bfc\u5411\u7684\u4f18\u5148\u7ea7\u786e\u5b9a\u65b9\u6cd5\uff0c\u786e\u4fdd\u6d4b\u8bd5\u8986\u76d6\u4ee5\u4e0b\u4e24\u7c7b\u529f\u80fd\u4e2d\u7684\u903b\u8f91\uff1a\u6536\u5230\u8fc7\u5927\u91cf\u7528\u6237\u9519\u8bef\u62a5\u544a\u7684\u529f\u80fd\uff0c\u6216\u8005\u6027\u80fd\u4e0b\u964d\u6709\u6700\u5927\u5f71\u54cd\u7684\u529f\u80fd\u3002 <\/p>\n

\u5982\u679c\u4f60\u8981\u6d4b\u8bd5\u7684\u4ee3\u7801\u4e0e\u9879\u76ee\u7684\u53e6\u4e00\u90e8\u5206\u6216\u67d0\u4e2a\u6846\u67b6\u7c7b\u8026\u5408\uff0c\u8bf7\u5c3d\u53ef\u80fd\u51cf\u5c11\u5bf9\u8fd9\u4e2a\u4ee3\u7801\u7684\u66f4\u6539\uff0c\u5728\u4e0d\u6539\u53d8\u5176\u884c\u4e3a\u7684\u524d\u63d0\u4e0b\u9694\u79bb\u8fd9\u4e2a\u7ec4\u4ef6\u3002\u5728\u51cf\u5c11\u8026\u5408\u7684\u524d\u63d0\u4e0b\uff0c\u63d0\u5347\u5728\u6d4b\u8bd5\u73af\u5883\u4e2d\u4f7f\u7528\u76f8\u5e94\u7c7b\u7684\u80fd\u529b\uff0c\u5e76\u4ec5\u7a0d\u4f5c\u8c03\u6574\uff0c\u4ee5\u964d\u4f4e\u4e0e\u5404\u9879\u66f4\u6539\u76f8\u5173\u7684\u98ce\u9669\u3002 <\/p>\n

\u4ee5\u4e0b\u51e0\u4e2a\u90e8\u5206\u63d0\u4f9b\u4e86\u4e00\u4e9b\u66f4\u6539\u5efa\u8bae\uff0c\u4ecb\u7ecd\u4e86\u5728\u5f85\u6d4b\u4ee3\u7801\u4e0e\u5176\u4ed6\u7ec4\u4ef6\u4e4b\u95f4\u7684\u8026\u5408\u59a8\u788d\u6d4b\u8bd5\u65f6\u5982\u4f55\u79fb\u9664\u8fd9\u4e9b\u8026\u5408\u3002\u6bcf\u79cd\u89e3\u51b3\u65b9\u6848\u5747\u5c55\u793a\u4e86 XCTest \u7528\u4f8b\u5982\u4f55\u4e0e\u66f4\u6539\u540e\u7684\u4ee3\u7801\u914d\u5408\u6765\u65ad\u8a00\u5176\u884c\u4e3a\u3002 <\/p>\n

\u5c06\u5177\u4f53\u7c7b\u578b\u66ff\u6362\u4e3a\u534f\u8bae <\/h3>\n

\u5982\u679c\u4f60\u7684\u4ee3\u7801\u4f9d\u8d56\u4e8e\u7279\u5b9a\u7684\u7c7b\uff0c\u800c\u8fd9\u4e2a\u7c7b\u7684\u884c\u4e3a\u4f1a\u5bfc\u81f4\u6d4b\u8bd5\u56f0\u96be\uff0c\u8bf7\u521b\u5efa\u4e00\u4e2a\u534f\u8bae\u6765\u5217\u51fa\u76f8\u5e94\u4ee3\u7801\u4f7f\u7528\u7684\u65b9\u6cd5\u548c\u5c5e\u6027\u3002\u8fd9\u79cd\u95ee\u9898\u4f9d\u8d56\u9879\u7684\u793a\u4f8b\u5305\u62ec\u8bbf\u95ee\u5916\u90e8\u72b6\u6001\u7684\u4f9d\u8d56\u9879\uff0c\u5982\u7528\u6237\u6587\u7a3f\u6216\u6570\u636e\u5e93\u7b49\uff0c\u4e5f\u5305\u62ec\u6ca1\u6709\u786e\u5b9a\u6027\u7ed3\u679c\u7684\u4f9d\u8d56\u9879\uff0c\u5982\u7f51\u7edc\u8fde\u63a5\u6216\u968f\u673a\u503c\u751f\u6210\u5668\u7b49\u3002 <\/p>\n

\u4ee5\u4e0b\u6458\u5f55\u663e\u793a\u4e86 Cocoa App \u4e2d\u7684\u4e00\u4e2a\u7c7b\uff0c\u8be5\u7c7b\u4f7f\u7528 NSWorkspace<\/code> (\u82f1\u6587)<\/span> \u6765\u6253\u5f00\u4f5c\u4e3a\u7535\u5b50\u90ae\u4ef6\u6216\u5373\u65f6\u4fe1\u606f\u9644\u4ef6\u7684\u6587\u4ef6\u3002openAttachment(file:in:)<\/code> \u65b9\u6cd5\u7684\u7ed3\u679c\u53d6\u51b3\u4e8e\u7528\u6237\u6709\u6ca1\u6709\u5b89\u88c5\u80fd\u5904\u7406\u6240\u8bf7\u6c42\u7c7b\u578b\u7684\u6587\u4ef6\u7684 App\uff0c\u4ee5\u53ca\u8fd9\u4e2a App \u80fd\u4e0d\u80fd\u6210\u529f\u6253\u5f00\u6587\u4ef6\u3002\u6240\u6709\u8fd9\u4e9b\u53d8\u91cf\u90fd\u6709\u53ef\u80fd\u5bfc\u81f4\u6d4b\u8bd5\u5931\u8d25\uff0c\u5e76\u7531\u4e8e\u9700\u8c03\u67e5\u7684\u201c\u9519\u8bef\u201d\u53ef\u80fd\u662f\u4e0e\u4f60\u7684\u4ee3\u7801\u65e0\u5173\u7684\u77ac\u6001\u95ee\u9898\uff0c\u4ece\u800c\u51cf\u6162\u4f60\u5f00\u53d1\u7684\u901f\u5ea6\u3002 <\/p>\n

<\/span> import<\/span> Cocoa<\/span><\/span><\/span>  <\/span><\/span><\/span> enum<\/span> AttachmentOpeningError<\/span> : Error<\/span> <\/span>{<\/span><\/span><\/span>  case<\/span> UnableToOpenAttachment<\/span><\/span><\/span><\/span> }<\/span><\/span><\/span>  <\/span><\/span><\/span> class<\/span> AttachmentOpener<\/span> <\/span>{<\/span><\/span><\/span>  func<\/span> openAttachment<\/span>(file location: URL, with workspace: NSWorkspace)<\/span><\/span> throws<\/span> {<\/span><\/span><\/span>  if<\/span> (!workspace.open<\/span>(location)) {<\/span><\/span><\/span>  throw<\/span> AttachmentOpeningError<\/span>.UnableToOpenAttachment<\/span><\/span><\/span><\/span>  }<\/span><\/span><\/span>  }<\/span><\/span><\/span> }<\/span><\/span><\/code>\n<\/pre>\n
 \u8981\u6d4b\u8bd5\u5177\u6709\u8fd9\u79cd\u8026\u5408\u7684\u4ee3\u7801\uff0c\u53ef\u5f15\u5165\u4e00\u4e2a\u534f\u8bae\u6765\u63cf\u8ff0\u4f60\u7684\u4ee3\u7801\u5982\u4f55\u4e0e\u95ee\u9898\u4f9d\u8d56\u9879\u4ea4\u4e92\u3002\u5728\u4f60\u7684\u4ee3\u7801\u4e2d\u4f7f\u7528\u8be5\u534f\u8bae\uff0c\u4f7f\u5f97\u4f60\u7684\u7c7b\u4f9d\u8d56\u4e8e\u76f8\u5173\u65b9\u6cd5\u5728\u534f\u8bae\u4e2d\u7684\u5b58\u5728\u6027\uff0c\u800c\u4e0d\u662f\u5b83\u4eec\u7684\u5177\u4f53\u5b9e\u73b0\u3002\u4e3a\u534f\u8bae\u7f16\u5199\u4e0d\u6267\u884c\u6709\u72b6\u6001\u6216\u975e\u786e\u5b9a\u6027\u4efb\u52a1\u7684\u53ef\u9009\u5b9e\u73b0\uff0c\u5e76\u4f7f\u7528\u8be5\u5b9e\u73b0\u6765\u7f16\u5199\u5177\u6709\u53d7\u63a7\u884c\u4e3a\u7684\u6d4b\u8bd5\u3002 <\/p>\n
 \u4ee5\u4e0b\u6458\u5f55\u4e2d\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5305\u542b open(_:)<\/code><\/span> \u65b9\u6cd5\u7684\u534f\u8bae\uff0c\u4ee5\u53ca\u4e00\u4e2a NSWorkspace<\/code><\/span> \u6269\u5c55\u6765\u4f7f\u5f97 NSWorkspace \u9075\u4ece\u8be5\u534f\u8bae\u3002 <\/p>\n
<\/span> import<\/span> Cocoa<\/span><\/span><\/span>  <\/span><\/span><\/span> enum<\/span> AttachmentOpeningError<\/span> : Error<\/span> <\/span>{<\/span><\/span><\/span>  case<\/span> UnableToOpenAttachment<\/span><\/span><\/span><\/span> }<\/span><\/span><\/span>  <\/span><\/span><\/span> protocol<\/span> URLOpener<\/span> <\/span>{<\/span><\/span><\/span>  func<\/span> open<\/span>(_<\/span> file: URL)<\/span><\/span> -> Bool<\/span><\/span><\/span><\/span> }<\/span><\/span><\/span>  <\/span><\/span><\/span> extension<\/span> NSWorkspace<\/span> : URLOpener<\/span> <\/span>{}<\/span><\/span><\/span>  <\/span><\/span><\/span> class<\/span> AttachmentOpener<\/span> <\/span>{<\/span><\/span><\/span>  func<\/span> openAttachment<\/span>(file location: URL, with workspace: URLOpener)<\/span><\/span> throws<\/span> {<\/span><\/span><\/span>  if<\/span> (!workspace.open<\/span>(location)) {<\/span><\/span><\/span>  throw<\/span> AttachmentOpeningError<\/span>.UnableToOpenAttachment<\/span><\/span><\/span><\/span>  }<\/span><\/span><\/span>  }<\/span><\/span><\/span> }<\/span><\/span><\/code>\n<\/pre>\n
 \u5728\u6d4b\u8bd5\u4e2d\uff0c\u4e3a URLOpener<\/code> \u534f\u8bae\u53e6\u5916\u7f16\u5199\u4e00\u4e2a\u4e0d\u4f9d\u8d56\u4e8e\u7528\u6237\u7535\u8111\u4e0a\u6240\u88c5 App \u7684\u5b9e\u73b0\u4ee3\u7801\u3002 <\/p>\n
<\/span> class<\/span> StubWorkspace<\/span> : URLOpener<\/span> <\/span>{<\/span><\/span><\/span>  func<\/span> open<\/span>(_<\/span> file: URL)<\/span><\/span> -> Bool<\/span> {<\/span><\/span><\/span>  return<\/span> isSuccessful<\/span><\/span><\/span>  }<\/span><\/span><\/span>  <\/span><\/span><\/span>  var<\/span> isSuccessful: Bool<\/span> = true<\/span><\/span><\/span><\/span> }<\/span><\/span><\/span>  <\/span><\/span><\/span> class<\/span> AttachmentOpenerTests<\/span>: XCTestCase<\/span> <\/span>{<\/span><\/span><\/span>  var<\/span> workspace: StubWorkspace!<\/span> = nil<\/span><\/span><\/span><\/span>  var<\/span> attachmentOpener: AttachmentOpener!<\/span> = nil<\/span><\/span><\/span><\/span>  let<\/span> location = URL<\/span>(fileURLWithPath: \"\/tmp\/a_file.txt\"<\/span>)<\/span><\/span><\/span>  <\/span><\/span><\/span>  override<\/span> func<\/span> setUp<\/span>()<\/span><\/span> {<\/span><\/span><\/span>  workspace = StubWorkspace<\/span>()<\/span><\/span><\/span>  attachmentOpener = AttachmentOpener<\/span>()<\/span><\/span><\/span>  }<\/span><\/span><\/span>  <\/span><\/span><\/span>  override<\/span> func<\/span> tearDown<\/span>()<\/span><\/span> {<\/span><\/span><\/span>  workspace = nil<\/span><\/span><\/span><\/span>  attachmentOpener = nil<\/span><\/span><\/span><\/span>  }<\/span><\/span><\/span>  <\/span><\/span><\/span>  func<\/span> testWorkspaceCanOpenAttachment<\/span>()<\/span><\/span> {<\/span><\/span><\/span>  workspace.isSuccessful = true<\/span><\/span><\/span><\/span>  XCTAssertNoThrow<\/span>(try<\/span> attachmentOpener.openAttachment(file: location, with: workspace))<\/span><\/span><\/span>  }<\/span><\/span><\/span>  <\/span><\/span><\/span>  func<\/span> testThrowIfWorkspaceCannotOpenAttachment<\/span>()<\/span><\/span> {<\/span><\/span><\/span>  workspace.isSuccessful = false<\/span><\/span><\/span><\/span>  XCTAssertThrowsError<\/span>(try<\/span> attachmentOpener.openAttachment(file: location, with: workspace))<\/span><\/span><\/span>  }<\/span><\/span><\/span> }<\/span><\/span><\/code>\n<\/pre>\n<\/p>\n
 \u5c06\u6307\u5b9a\u7c7b\u578b\u66ff\u6362\u4e3a\u5143\u7c7b\u578b\u503c <\/h3>\n
 \u5982\u679c App \u4e2d\u7684\u67d0\u4e2a\u7c7b\u4f1a\u521b\u5efa\u5e76\u4f7f\u7528\u53e6\u4e00\u4e2a\u7c7b\u7684\u5b9e\u4f8b\uff0c\u5e76\u4e14\u521b\u5efa\u7684\u5bf9\u8c61\u4f1a\u5e26\u6765\u6d4b\u8bd5\u96be\u70b9\uff0c\u90a3\u4e48\u53ef\u80fd\u5f88\u96be\u5728\u521b\u5efa\u7684\u4f4d\u7f6e\u4e0a\u6d4b\u8bd5\u8be5\u7c7b\u3002\u5bf9\u6240\u521b\u5efa\u5bf9\u8c61\u7684\u7c7b\u578b\u8fdb\u884c\u53c2\u6570\u5316\u5904\u7406\uff0c\u5e76\u4f7f\u7528\u5fc5\u8981\u7684\u6784\u9020\u5668\u6765\u521b\u5efa\u5b9e\u4f8b\u3002\u8fd9\u79cd\u68d8\u624b\u6d4b\u8bd5\u60c5\u5f62\u7684\u793a\u4f8b\u5305\u62ec\u7528\u4e00\u4e2a\u63a7\u5236\u5668\u54cd\u5e94\u7528\u6237\u64cd\u4f5c\u6765\u5728\u6587\u4ef6\u7cfb\u7edf\u4e0a\u521b\u5efa\u65b0\u6587\u7a3f\uff0c\u6216\u8005\u7528\u4e00\u4e2a\u65b9\u6cd5\u6765\u89e3\u91ca\u4ece Web \u670d\u52a1\u6536\u5230\u7684 JSON \u5e76\u521b\u5efa\u4ee3\u8868\u6240\u63a5\u6536\u6570\u636e\u7684\u65b0 Core Data \u6258\u7ba1\u5bf9\u8c61\u3002 <\/p>\n
 \u5728\u4ee5\u4e0a\u5404\u79cd\u60c5\u5f62\u4e2d\uff0c\u7531\u4e8e\u76f8\u5173\u5bf9\u8c61\u7531\u4f60\u60f3\u8981\u6d4b\u8bd5\u7684\u4ee3\u7801\u521b\u5efa\uff0c\u4f60\u65e0\u6cd5\u5c06\u53e6\u4e00\u4e2a\u5bf9\u8c61\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u5bf9\u5e94\u65b9\u6cd5\u3002\u8be5\u5bf9\u8c61\u53ea\u6709\u5728\u4f60\u7684\u4ee3\u7801\u521b\u5efa\u5b83\u540e\u624d\u4f1a\u5b58\u5728\uff0c\u8fd9\u65f6\u5b83\u6240\u5c5e\u7684\u7c7b\u578b\u5177\u6709\u4e0d\u53ef\u6d4b\u8bd5\u7684\u884c\u4e3a\u3002 <\/p>\n
 \u4ee5\u4e0b\u6458\u5f55\u4e2d\u663e\u793a\u4e86\u4e00\u4e2a UIDocumentBrowserViewControllerDelegate<\/code> (\u82f1\u6587)<\/span>\uff0c\u5b83\u4f1a\u5728\u7528\u6237\u4ece\u6d4f\u89c8\u5668\u4e2d\u9009\u53d6\u6587\u7a3f\u65f6\u521b\u5efa\u5e76\u6253\u5f00\u4e00\u4e2a\u6587\u7a3f\u5bf9\u8c61\u3002\u5b83\u521b\u5efa\u7684\u6587\u7a3f\u5bf9\u8c61\u4f1a\u4ece\u6587\u4ef6\u7cfb\u7edf\u8bfb\u53d6\u6570\u636e\u5e76\u5411\u6587\u4ef6\u7cfb\u7edf\u5199\u5165\u6570\u636e\uff0c\u56e0\u6b64\u96be\u4ee5\u5728\u5355\u5143\u6d4b\u8bd5\u4e2d\u63a7\u5236\u5b83\u7684\u884c\u4e3a\u3002 <\/p>\n
<\/span> class<\/span> DocumentBrowserDelegate<\/span> : NSObject<\/span>, UIDocumentBrowserViewControllerDelegate<\/span> <\/span>{<\/span><\/span><\/span>  func<\/span> documentBrowser<\/span>(_<\/span> controller: UIDocumentBrowserViewController, didPickDocumentsAt documentURLs: [URL])<\/span><\/span> {<\/span><\/span><\/span>  guard<\/span> let<\/span> sourceURL = documentURLs.first else<\/span> { return<\/span> }<\/span><\/span><\/span>  let<\/span> storyBoard = UIStoryboard<\/span>(name: \"Main\"<\/span>, bundle: nil<\/span>)<\/span><\/span><\/span>  let<\/span> documentViewController = storyBoard.instantiateViewController(withIdentifier: \"DocumentViewController\"<\/span>) as<\/span>! DocumentViewController<\/span><\/span><\/span><\/span>  documentViewController.document = Document<\/span>(fileURL: sourceURL)<\/span><\/span><\/span>  documentViewController.modalPresentationStyle = .fullScreen<\/span><\/span><\/span>  <\/span><\/span><\/span>  controller.present(documentViewController, animated: true<\/span>, completion: nil<\/span>)<\/span><\/span><\/span>  }<\/span><\/span><\/span> }<\/span><\/span><\/code>\n<\/pre>\n
 \u8981\u79fb\u9664\u4f60\u8981\u5c1d\u8bd5\u6d4b\u8bd5\u7684\u4ee3\u7801\u548c\u5b83\u6240\u521b\u5efa\u7684\u5bf9\u8c61\u4e4b\u95f4\u7684\u8026\u5408\uff0c\u8bf7\u5728\u5f85\u6d4b\u7c7b\u4e0a\u5b9a\u4e49\u4e00\u4e2a\u53d8\u91cf\u6765\u8868\u793a\u5b83\u5e94\u6784\u9020\u7684\u5bf9\u8c61\u7684\u201c\u7c7b\u578b\u201d<\/em>\u3002\u8fd9\u7c7b\u53d8\u91cf\u79f0\u4e3a\u201c\u5143\u7c7b\u578b\u503c\u201d<\/em>\u3002\u5c06\u9ed8\u8ba4\u503c\u8bbe\u4e3a\u8be5\u7c7b\u6240\u4f7f\u7528\u7684\u7c7b\u578b\u3002\u4f60\u9700\u8981\u786e\u4fdd\u7528\u4e8e\u6784\u9020\u5b9e\u4f8b\u7684\u6784\u9020\u5668\u6807\u8bb0\u4e3a required<\/code>\u3002\u4ee5\u4e0b\u6458\u5f55\u663e\u793a\u4e86\u5f15\u5165\u8be5\u53d8\u91cf\u7684\u6587\u7a3f\u6d4f\u89c8\u5668\u89c6\u56fe\u63a7\u5236\u5668\u59d4\u6258\u3002\u8be5\u59d4\u6258\u4f1a\u521b\u5efa\u7c7b\u578b\u7531\u8be5\u5143\u7c7b\u578b\u503c\u5b9a\u4e49\u7684\u6587\u7a3f\u3002 <\/p>\n
<\/span> class<\/span> DocumentBrowserDelegate<\/span> : NSObject<\/span>, UIDocumentBrowserViewControllerDelegate<\/span> <\/span>{<\/span><\/span><\/span>  var<\/span> DocumentClass<\/span> = Document<\/span>.self<\/span><\/span><\/span><\/span>  <\/span><\/span><\/span>  func<\/span> documentBrowser<\/span>(_<\/span> controller: UIDocumentBrowserViewController, didPickDocumentsAt documentURLs: [URL])<\/span><\/span> {<\/span><\/span><\/span>  guard<\/span> let<\/span> sourceURL = documentURLs.first else<\/span> { return<\/span> }<\/span><\/span><\/span>  let<\/span> storyBoard = UIStoryboard<\/span>(name: \"Main\"<\/span>, bundle: nil<\/span>)<\/span><\/span><\/span>  let<\/span> documentViewController = storyBoard.instantiateViewController(withIdentifier: \"DocumentViewController\"<\/span>) as<\/span>! DocumentViewController<\/span><\/span><\/span><\/span>  documentViewController.document = DocumentClass<\/span>.init<\/span>(fileURL: sourceURL)<\/span><\/span><\/span>  documentViewController.modalPresentationStyle = .fullScreen<\/span><\/span><\/span>  <\/span><\/span><\/span>  controller.present(documentViewController, animated: true<\/span>, completion: nil<\/span>)<\/span><\/span><\/span>  }<\/span><\/span><\/span> }<\/span><\/span><\/code>\n<\/pre>\n
 \u5728\u6d4b\u8bd5\u4e2d\u4e3a\u8be5\u5143\u7c7b\u578b\u8bbe\u7f6e\u4e00\u4e2a\u4e0d\u540c\u7684\u503c\uff0c\u8fd9\u6837\u4f60\u7684\u4ee3\u7801\u5c31\u80fd\u6784\u9020\u6ca1\u6709\u540c\u6837\u4e0d\u53ef\u6d4b\u8bd5\u884c\u4e3a\u7684\u5bf9\u8c61\u3002\u5728\u6d4b\u8bd5\u4e2d\uff0c\u4e3a\u6587\u7a3f\u7c7b\u521b\u5efa\u4e00\u4e2a\u201c\u8bd5\u9a8c\u865a\u62df\u201d\u7248\u672c\uff1a\u8fd9\u4e2a\u7c7b\u5177\u6709\u76f8\u540c\u7684\u63a5\u53e3\uff0c\u4f46\u4e0d\u5b9e\u73b0\u96be\u4ee5\u6d4b\u8bd5\u7684\u884c\u4e3a\u3002\u5728\u8fd9\u4e2a\u7528\u4f8b\u4e2d\uff0c\u865a\u62df\u6587\u7a3f\u7c7b\u4e0d\u5e94\u4e0e\u6587\u4ef6\u7cfb\u7edf\u4ea4\u4e92\u3002 <\/p>\n
<\/span> class<\/span> DummyDocument<\/span> : Document<\/span> <\/span>{<\/span><\/span><\/span>  static<\/span> var<\/span> opensSuccessfully:Bool<\/span> = true<\/span><\/span><\/span><\/span>  static<\/span> var<\/span> savesSuccessfully:Bool<\/span> = true<\/span><\/span><\/span><\/span>  static<\/span> var<\/span> closesSuccessfully:Bool<\/span> = true<\/span><\/span><\/span><\/span>  <\/span><\/span><\/span>  override<\/span> func<\/span> save<\/span>(to url: URL, for<\/span> saveOperation: UIDocument.SaveOperation, completionHandler: ((Bool)<\/span><\/span><\/span><\/span> -> Void<\/span>)? = nil<\/span>) {<\/span><\/span><\/span>  \/\/ don't save anything, just call the completion handler<\/span><\/span><\/span><\/span>  guard<\/span> let<\/span> handler = completionHandler else<\/span> { return<\/span> }<\/span><\/span><\/span>  handler(StubDocument<\/span>.savesSuccessfully)<\/span><\/span><\/span>  }<\/span><\/span><\/span>  <\/span><\/span><\/span>  override<\/span> func<\/span> close<\/span>(completionHandler: ((Bool)<\/span><\/span><\/span><\/span> -> Void<\/span>)? = nil<\/span>) {<\/span><\/span><\/span>  guard<\/span> let<\/span> handler = completionHandler else<\/span> { return<\/span> }<\/span><\/span><\/span>  handler(StubDocument<\/span>.closesSuccessfully)<\/span><\/span><\/span>  }<\/span><\/span><\/span>  <\/span><\/span><\/span>  override<\/span> func<\/span> open<\/span>(completionHandler: ((Bool)<\/span><\/span><\/span><\/span> -> Void<\/span>)? = nil<\/span>) {<\/span><\/span><\/span>  guard<\/span> let<\/span> handler = completionHandler else<\/span> { return<\/span> }<\/span><\/span><\/span>  handler(StubDocument<\/span>.opensSuccessfully)<\/span><\/span><\/span>  }<\/span><\/span><\/span> }<\/span><\/span><\/code>\n<\/pre>\n
 \u5728\u6d4b\u8bd5\u7528\u4f8b\u7684 setUp()<\/code> \u65b9\u6cd5\u4e2d\uff0c\u5c06\u6587\u7a3f\u7c7b\u578b\u66ff\u6362\u4e3a\u865a\u62df\u7c7b\u578b\uff0c\u4f7f\u5f85\u6d4b\u59d4\u6258\u521b\u5efa\u865a\u62df\u6587\u7a3f\u7c7b\u578b\u7684\u5b9e\u4f8b\uff0c\u8fd9\u4e9b\u5b9e\u4f8b\u5728\u6d4b\u8bd5\u4e2d\u5177\u6709\u786e\u5b9a\u7684\u884c\u4e3a\u3002 <\/p>\n
<\/span> class<\/span> DocumentBrowserDelegateTests<\/span>: XCTestCase<\/span> <\/span>{<\/span><\/span><\/span>  var<\/span> delegate: DocumentBrowserDelegate!<\/span> = nil<\/span><\/span><\/span><\/span>  <\/span><\/span><\/span>  override<\/span> func<\/span> setUp<\/span>()<\/span><\/span> {<\/span><\/span><\/span>  delegate = DocumentBrowserDelegate<\/span>()<\/span><\/span><\/span>  delegate.DocumentClass<\/span> = StubDocument<\/span>.self<\/span><\/span><\/span><\/span>  }<\/span><\/span><\/span>  <\/span><\/span><\/span>  override<\/span> func<\/span> tearDown<\/span>()<\/span><\/span> {<\/span><\/span><\/span>  }<\/span><\/span><\/span>  <\/span><\/span><\/span>  \/\/ test methods here<\/span><\/span><\/span><\/span> }<\/span><\/span><\/code>\n<\/pre>\n<\/p>\n
 \u5c06\u4e0d\u53ef\u6d4b\u8bd5\u7684\u65b9\u6cd5\u5f52\u4e3a\u5b50\u7c7b\u5e76\u52a0\u4ee5\u8986\u76d6 <\/h3>\n
 \u5982\u679c\u4e00\u4e2a\u7c7b\u7ed3\u5408\u8fd0\u7528\u81ea\u5b9a\u903b\u8f91\u4e0e\u5bfc\u81f4\u8be5\u7c7b\u96be\u4ee5\u6d4b\u8bd5\u7684\u4ea4\u4e92\u6216\u884c\u4e3a\uff0c\u8bf7\u5f15\u5165\u4e00\u4e2a\u5b50\u7c7b\u6765\u8986\u76d6\u8be5\u7c7b\u7684\u4e00\u90e8\u5206\u65b9\u6cd5\uff0c\u4ece\u800c\u8ba9\u5176\u4f59\u90e8\u5206\u53d8\u5f97\u66f4\u6613\u6d4b\u8bd5\u3002\u7c7b\u8bbe\u8ba1\u4e2d\u5e38\u5e38\u4f1a\u540c\u65f6\u5305\u542b\u7279\u5b9a\u4e8e\u67d0\u4e2a App \u7684\u903b\u8f91\u4ee5\u53ca\u4e0e\u73af\u5883\u6216\u6846\u67b6\u7684\u4ea4\u4e92\uff0c\u800c\u540e\u8005\u5e26\u6765\u7684\u884c\u4e3a\u5728\u6d4b\u8bd5\u4e2d\u96be\u4ee5\u63a7\u5236\u3002\u4e00\u4e2a\u5e38\u89c1\u7684\u793a\u4f8b\u662f UIViewController<\/code> (\u82f1\u6587)<\/span> \u5b50\u7c7b\uff0c\u8be5\u5b50\u7c7b\u5728\u5176\u64cd\u4f5c\u65b9\u6cd5\u4e2d\u5305\u542b\u7279\u5b9a\u4e8e App \u7684\u4ee3\u7801\uff0c\u540c\u65f6\u4e5f\u4f1a\u8f7d\u5165\u89c6\u56fe\u6216\u63d0\u4f9b\u5176\u4ed6\u89c6\u56fe\u63a7\u5236\u5668\u3002 <\/p>\n
 \u6211\u4eec\u9700\u8981\u5bf9\u81ea\u5b9a App \u903b\u8f91\u8fdb\u884c\u6d4b\u8bd5\uff0c\u786e\u4fdd\u6b64\u903b\u8f91\u80fd\u6309\u9884\u671f\u8fd0\u884c\u5e76\u9632\u6b62\u51fa\u73b0\u6027\u80fd\u4e0b\u964d\u3002\u63a7\u5236\u6216\u5904\u7406\u7c7b\u4e0e\u73af\u5883\u4e4b\u95f4\u7684\u4ea4\u4e92\u6bd4\u8f83\u590d\u6742\uff0c\u5bfc\u81f4\u76f8\u5173\u903b\u8f91\u96be\u4ee5\u6d4b\u8bd5\u3002 <\/p>\n
 \u4f8b\u5982\uff0c\u4ee5\u4e0b iOS \u89c6\u56fe\u63a7\u5236\u5668\u4f7f\u7528\u5728\u63cf\u8ff0\u6587\u4ef6\u5bf9\u8c61\u4e2d\u627e\u5230\u7684\u7528\u6237\u540d\u6765\u586b\u5145\u6807\u7b7e (\u5e76\u4e14\u5927\u4f53\u4e0a\uff0c\u5b83\u4e5f\u53ef\u4ee5\u4f7f\u7528\u63cf\u8ff0\u6587\u4ef6\u4e2d\u7684\u5176\u4ed6\u680f\u4f4d\u6765\u586b\u5145\u5176\u4ed6 UI \u5143\u7d20)\u3002\u5b83\u4f7f\u7528 UserDefaults<\/code> (\u82f1\u6587)<\/span> \u67e5\u627e\u6587\u4ef6\u7684\u8def\u5f84\uff0c\u5c1d\u8bd5\u5c06\u8be5\u6587\u4ef6\u8f7d\u5165\u4e3a\u5b57\u5178\uff0c\u7136\u540e\u4f7f\u7528\u8be5\u5b57\u5178\u4e2d\u7684\u503c\u6765\u586b\u5145 UI\u3002 <\/p>\n
<\/span> struct<\/span> UserProfile<\/span> <\/span>{<\/span><\/span><\/span>  let<\/span> name: String<\/span><\/span><\/span><\/span> }<\/span><\/span><\/span>  <\/span><\/span><\/span> class<\/span> ProfileViewController<\/span>: UIViewController<\/span> <\/span>{<\/span><\/span><\/span>  @IBOutlet<\/span> var<\/span> nameLabel: UILabel!<\/span><\/span><\/span><\/span>  <\/span><\/span><\/span>  override<\/span> func<\/span> viewDidLoad<\/span>()<\/span><\/span> {<\/span><\/span><\/span>  self<\/span>.loadProfile() { maybeUser in<\/span><\/span><\/span><\/span>  if<\/span> let<\/span> user = maybeUser {<\/span><\/span><\/span>  self<\/span>.nameLabel.text = user.name<\/span><\/span><\/span>  } else<\/span> {<\/span><\/span><\/span>  self<\/span>.nameLabel.text = \"Unknown User\"<\/span><\/span><\/span><\/span>  }<\/span><\/span><\/span>  }<\/span><\/span><\/span>  }<\/span><\/span><\/span>  <\/span><\/span><\/span>  func<\/span> loadProfile<\/span>(_<\/span> completion: (UserProfile?)<\/span><\/span><\/span> -> ()) {<\/span><\/span><\/span>  let<\/span> path = UserDefaults<\/span>.standard.string(forKey: \"ProfilePath\"<\/span>)<\/span><\/span><\/span>  guard<\/span> let<\/span> thePath = path else<\/span> {<\/span><\/span><\/span>  completion(nil<\/span>)<\/span><\/span><\/span>  return<\/span><\/span><\/span><\/span>  }<\/span><\/span><\/span>  let<\/span> profileURL = URL<\/span>(fileURLWithPath: thePath)<\/span><\/span><\/span>  let<\/span> profileDict = NSDictionary<\/span>(contentsOf: profileURL)<\/span><\/span><\/span>  guard<\/span> let<\/span> profileDictionary = profileDict else<\/span> {<\/span><\/span><\/span>  completion(nil<\/span>)<\/span><\/span><\/span>  return<\/span><\/span><\/span><\/span>  }<\/span><\/span><\/span>  guard<\/span> let<\/span> userName = profileDictionary[\"Name\"<\/span>] else<\/span> {<\/span><\/span><\/span>  completion(nil<\/span>)<\/span><\/span><\/span>  return<\/span><\/span><\/span><\/span>  }<\/span><\/span><\/span>  let<\/span> profile = UserProfile<\/span>(name: userName as<\/span>! String<\/span>)<\/span><\/span><\/span>  completion(profile)<\/span><\/span><\/span>  }<\/span><\/span><\/span> }<\/span><\/span><\/span>  <\/span><\/span><\/code>\n<\/pre>\n
 \u8981\u89e3\u51b3\u8fd9\u79cd\u590d\u6742\u6027\uff0c\u8bf7\u5c06\u4f60\u7684\u89c6\u56fe\u63a7\u5236\u5668\u5f52\u4e3a\u5b50\u7c7b\uff0c\u5e76\u901a\u8fc7\u7528\u66f4\u7b80\u5355\u7684\u65b9\u6cd5\u8986\u76d6\u6765\u201c\u5254\u9664\u201d\u4ea7\u751f\u590d\u6742\u5e76\u4e0d\u53ef\u6d4b\u8bd5\u4ea4\u4e92\u7684\u65b9\u6cd5\u3002\u5728\u4f60\u7684\u6d4b\u8bd5\u4e2d\u4f7f\u7528\u8be5\u5b50\u7c7b\u6765\u9a8c\u8bc1\u4f60\u6ca1\u6709\u8986\u76d6\u7684\u81ea\u5b9a\u903b\u8f91\u7684\u884c\u4e3a\u3002\u5982\u679c\u5f85\u6d4b\u4ee3\u7801\u4f1a\u521b\u5efa\u76ee\u6807\u7c7b\u578b\u7684\u5b9e\u4f8b\uff0c\u4f60\u4e5f\u53ef\u80fd\u9700\u8981\u5f15\u5165\u5143\u7c7b\u578b\u503c\u3002 <\/p>\n
 \u4ee5\u4e0b\u6458\u5f55\u4e2d\u5f15\u5165\u4e86\u5b50\u7c7b StubProfileViewController<\/code>\uff0c\u8be5\u5b50\u7c7b\u4e0e UserDefaults<\/code><\/span> \u4ee5\u53ca\u7236\u7c7b\u4e2d\u7684\u6587\u4ef6\u7cfb\u7edf\u4e4b\u95f4\u6ca1\u6709\u4efb\u4f55\u8026\u5408\u3002\u76f8\u53cd\uff0c\u5b83\u4f7f\u7528\u4e86\u7531\u8c03\u7528\u65b9\u914d\u7f6e\u7684 UserProfile<\/code> \u5bf9\u8c61\u3002\u4f7f\u7528\u6b64\u5b50\u7c7b\u7684\u6d4b\u8bd5\u53ef\u4ee5\u8f7b\u677e\u800c\u51c6\u786e\u5730\u63d0\u4f9b\u6240\u9700\u7684\u5bf9\u8c61\u6765\u89e6\u53d1\u8981\u6d4b\u8bd5\u7684\u903b\u8f91\u3002 <\/p>\n
<\/span> class<\/span> StubProfileViewController<\/span>: ProfileViewController<\/span> <\/span>{<\/span><\/span><\/span>  var<\/span> loadedProfile: UserProfile?<\/span> = nil<\/span><\/span><\/span><\/span>  <\/span><\/span><\/span>  override<\/span> func<\/span> loadProfile<\/span>(_<\/span> completion: (UserProfile?)<\/span><\/span><\/span> -> ()) {<\/span><\/span><\/span>  completion(loadedProfile)<\/span><\/span><\/span>  }<\/span><\/span><\/span> }<\/span><\/span><\/span>  <\/span><\/span><\/code>\n<\/pre>\n
 \u9700\u8981\u4e24\u4e2a\u6d4b\u8bd5\u624d\u80fd\u5b8c\u5168\u8986\u76d6 viewDidLoad()<\/code> \u7684\u884c\u4e3a\u3002\u5176\u4e2d\u4e00\u4e2a\u6d4b\u8bd5\u5728\u63cf\u8ff0\u6587\u4ef6\u53ef\u4ee5\u8f7d\u5165\u65f6\uff0c\u68c0\u67e5\u662f\u5426\u4ece\u63cf\u8ff0\u6587\u4ef6\u4e2d\u6b63\u786e\u8bbe\u7f6e\u4e86\u540d\u79f0\u3002\u53e6\u4e00\u4e2a\u6d4b\u8bd5\u5728\u63cf\u8ff0\u6587\u4ef6\u4e0d\u80fd\u8f7d\u5165\u65f6\uff0c\u68c0\u67e5\u662f\u5426\u4f7f\u7528\u4e86\u540d\u79f0\u7684\u5360\u4f4d\u7b26\u503c\u3002 <\/p>\n
<\/span> class<\/span> ProfileViewControllerTests<\/span>: XCTestCase<\/span> <\/span>{<\/span><\/span><\/span>  var<\/span> profileVC: StubProfileViewController!<\/span> = nil<\/span><\/span><\/span><\/span>  <\/span><\/span><\/span>  override<\/span> func<\/span> setUp<\/span>()<\/span><\/span> {<\/span><\/span><\/span>  profileVC = StubProfileViewController<\/span>()<\/span><\/span><\/span>  \/\/ configure the label, in lieu of loading a storyboard<\/span><\/span><\/span><\/span>  profileVC.nameLabel = UILabel<\/span>(frame: CGRect<\/span>.zero)<\/span><\/span><\/span>  }<\/span><\/span><\/span>  <\/span><\/span><\/span>  override<\/span> func<\/span> tearDown<\/span>()<\/span><\/span> {<\/span><\/span><\/span>  }<\/span><\/span><\/span>  <\/span><\/span><\/span>  func<\/span> testSuccessfulProfileLoadingSetsNameLabel<\/span>()<\/span><\/span> {<\/span><\/span><\/span>  profileVC.loadedProfile = UserProfile<\/span>(name: \"User Name\"<\/span>)<\/span><\/span><\/span>  profileVC.viewDidLoad()<\/span><\/span><\/span>  XCTAssertEqual<\/span>(profileVC.nameLabel.text, \"User Name\"<\/span>)<\/span><\/span><\/span>  }<\/span><\/span><\/span>  <\/span><\/span><\/span>  func<\/span> testFailedProfileLoadingUsesPlaceholderLabelValue<\/span>()<\/span><\/span> {<\/span><\/span><\/span>  profileVC.loadedProfile = nil<\/span><\/span><\/span><\/span>  profileVC.viewDidLoad()<\/span><\/span><\/span>  XCTAssertEqual<\/span>(profileVC.nameLabel.text, \"Unknown User\"<\/span>)<\/span><\/span><\/span>  }<\/span><\/span><\/span> }<\/span><\/span><\/span>  <\/span><\/span><\/code>\n<\/pre>\n
 \u6ce8\u91ca <\/p>\n
 \u8fd9\u79cd\u6a21\u5f0f\u6709\u52a9\u4e8e\u4f60\u6d4b\u8bd5\u5305\u542b\u591a\u9879\u804c\u8d23\u7684\u73b0\u6709\u7c7b\uff0c\u4f46\u5728\u4ece\u5934\u5f00\u59cb\u8bbe\u8ba1\u53ef\u6d4b\u8bd5\u7684\u4ee3\u7801\u65f6\u8fd9\u5e76\u4e0d\u662f\u4e00\u79cd\u597d\u7684\u65b9\u6cd5\u3002\u5c06\u5904\u7406\u4e0d\u540c\u95ee\u9898\u7684\u4ee3\u7801\u5212\u5206\u5230\u4e0d\u540c\u7684\u7c7b\u4e2d\uff1b\u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u4e2a\u63a7\u5236\u5668\u7c7b\u6765\u5305\u542b\u4f60\u7684 App \u903b\u8f91\uff0c\u540c\u65f6\u521b\u5efa\u4e00\u4e2a\u5355\u72ec\u7684\u89c6\u56fe\u63a7\u5236\u5668\u6765\u534f\u8c03 UIKit \u548c App \u76f8\u5173\u884c\u4e3a\u3002\u5728\u6db5\u76d6\u5355\u5143\u6d4b\u8bd5\u4e2d\u6240\u5254\u9664\u903b\u8f91\u7684\u7aef\u5230\u7aef\u5de5\u4f5c\u6d41\u7a0b\u4e2d\uff0c\u6dfb\u52a0 UI \u6d4b\u8bd5\u6765\u9a8c\u8bc1\u771f\u5b9e\u7c7b\u7684\u884c\u4e3a\u3002 <\/p>\n
 \u5728\u91cd\u65b0\u8bbe\u8ba1\u73b0\u6709\u4ee3\u7801\u65f6\uff0c\u7b2c\u4e00\u6b65\u662f\u5c06\u4e0d\u53ef\u6d4b\u8bd5\u7684\u65b9\u6cd5\u5f52\u4e3a\u5b50\u7c7b\u5e76\u52a0\u4ee5\u8986\u76d6\uff0c\u4ece\u800c\u5c06 App \u903b\u8f91\u548c\u4e0e\u6846\u67b6\u6216\u5916\u90e8\u6570\u636e\u7684\u6574\u5408\u5206\u9694\u5f00\u6765\u3002\u901a\u8fc7\u4ee5\u8fd9\u79cd\u65b9\u5f0f\u5206\u9694\u4ee3\u7801\uff0c\u4e0d\u4ec5\u80fd\u66f4\u52a0\u8f7b\u677e\u5730\u4e86\u89e3\u4f60\u7684\u9879\u76ee\u4e2d\u54ea\u4e9b\u90e8\u5206\u7528\u4e8e\u5b9e\u73b0 App \u7684\u529f\u80fd\uff0c\u54ea\u4e9b\u90e8\u5206\u4e0e\u7cfb\u7edf\u7684\u5176\u4f59\u90e8\u5206\u96c6\u6210\uff0c\u800c\u4e14\u8fd8\u80fd\u5728\u4f60\u66f4\u6539\u4ee3\u7801\u4ee5\u5229\u7528\u65b0 API \u6216\u91c7\u7528\u5176\u4ed6\u6280\u672f\u65f6\u964d\u4f4e\u9020\u6210\u903b\u8f91\u9519\u8bef\u7684\u51e0\u7387\u3002 <\/p>\n<\/p>\n
 \u6ce8\u5165\u5355\u4e00\u5b9e\u4f8b <\/h3>\n
 \u5982\u679c\u4f60\u7684\u4ee3\u7801\u4f7f\u7528\u5355\u4e00\u5b9e\u4f8b\u5bf9\u8c61\u6765\u83b7\u53d6\u5bf9\u5168\u5c40\u72b6\u6001\u6216\u884c\u4e3a\u7684\u8bbf\u95ee\uff0c\u8bf7\u5c06\u8be5\u5355\u4e00\u5b9e\u4f8b\u8f6c\u6362\u4e3a\u53ef\u88ab\u66ff\u6362\u7684\u53c2\u6570\uff0c\u6765\u652f\u6301\u6d4b\u8bd5\u6240\u9700\u7684\u9694\u79bb\u3002\u5355\u4e00\u5b9e\u4f8b\u7684\u4f7f\u7528\u53ef\u80fd\u4f1a\u5206\u6563\u5230\u6574\u4e2a\u4ee3\u7801\u5e93\u4e2d\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u5728\u7531\u4f60\u8981\u5c1d\u8bd5\u6d4b\u8bd5\u7684\u7ec4\u4ef6\u4f7f\u7528\u65f6\uff0c\u96be\u4ee5\u77e5\u6653\u5355\u4e00\u5b9e\u4f8b\u6240\u5904\u7684\u72b6\u6001\u3002\u4ee5\u4e0d\u540c\u7684\u987a\u5e8f\u8fd0\u884c\u6d4b\u8bd5\u53ef\u80fd\u4f1a\u4ea7\u751f\u4e0d\u540c\u7684\u7ed3\u679c\u3002 <\/p>\n
 \u5e38\u7528\u7684\u5355\u4e00\u5b9e\u4f8b (\u5305\u62ec NSApplication<\/code><\/span> \u548c\u9ed8\u8ba4\u7684 FileManager<\/code><\/span>) \u5177\u6709\u4f9d\u8d56\u4e8e\u5916\u90e8\u72b6\u6001\u7684\u884c\u4e3a\u3002\u4f7f\u7528\u8fd9\u4e9b\u5355\u4e00\u5b9e\u4f8b\u7684\u7ec4\u4ef6\u4f1a\u76f4\u63a5\u7ed9\u53ef\u9760\u6d4b\u8bd5\u5e26\u6765\u66f4\u591a\u590d\u6742\u56e0\u7d20\u3002 <\/p>\n
 \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u4e00\u4e2a Cocoa \u89c6\u56fe\u63a7\u5236\u5668\u4ee3\u8868\u67d0\u65b0\u95fb App \u4e2d\u6587\u7a3f\u68c0\u67e5\u5668\u7684\u4e00\u90e8\u5206\u3002\u5f53\u8be5\u89c6\u56fe\u63a7\u5236\u5668\u4ee3\u8868\u7684\u5bf9\u8c61\u53d1\u751f\u6539\u53d8\u65f6\uff0c\u5b83\u4f1a\u53d1\u5e03\u4e00\u4e2a\u901a\u77e5\u5230 App \u4e2d\u5176\u4ed6\u7ec4\u4ef6\u8ba2\u9605\u7684\u9ed8\u8ba4\u901a\u77e5\u4e2d\u5fc3\u3002 <\/p>\n
<\/span> let<\/span> InspectedArticleDidChangeNotificationName<\/span>: String<\/span> = \"InspectedArticleDidChange\"<\/span><\/span><\/span><\/span>  <\/span><\/span><\/span> class<\/span> ArticleInspectorViewController<\/span>: NSViewController<\/span> <\/span>{<\/span><\/span><\/span>  var<\/span> article: Article!<\/span> = nil<\/span><\/span><\/span><\/span>  <\/span><\/span><\/span>  override<\/span> var<\/span> representedObject: Any?<\/span> {<\/span><\/span><\/span>  didSet<\/span> {<\/span><\/span><\/span>  article = representedObject as<\/span>! Article?<\/span><\/span><\/span><\/span>  NotificationCenter<\/span>.default<\/span>.post(name: NSNotification<\/span>.Name<\/span>(rawValue: InspectedArticleDidChangeNotificationName<\/span>), object: article, userInfo: [\"Article\"<\/span>: article!])<\/span><\/span><\/span>  }<\/span><\/span><\/span>  }<\/span><\/span><\/span> }<\/span><\/span><\/code>\n<\/pre>\n
 \u5c3d\u7ba1\u6d4b\u8bd5\u53ef\u4ee5\u5728\u9ed8\u8ba4\u901a\u77e5\u4e2d\u5fc3\u4e2d\u6ce8\u518c\u6765\u89c2\u5bdf\u6b64\u901a\u77e5\uff0c\u4f46\u7531\u4e8e\u4f7f\u7528\u4e86\u5355\u4e00\u5b9e\u4f8b\u901a\u77e5\u4e2d\u5fc3\uff0cApp \u4e2d\u7684\u5176\u4ed6\u7ec4\u4ef6\u6709\u53ef\u80fd\u4f1a\u5e72\u6270\u6d4b\u8bd5\u7ed3\u679c\u3002\u5176\u4ed6\u4ee3\u7801\u53ef\u80fd\u4f1a\u53d1\u5e03\u901a\u77e5\uff0c\u79fb\u9664\u89c2\u5bdf\u5668\uff0c\u6216\u8fd0\u884c\u81ea\u5df1\u7684\u4ee3\u7801\u6765\u54cd\u5e94\u901a\u77e5\uff0c\u6240\u6709\u8fd9\u4e9b\u90fd\u53ef\u80fd\u4f1a\u5e72\u6270\u6d4b\u8bd5\u7684\u7ed3\u679c\u3002 <\/p>\n
 \u5c06\u5bf9\u5355\u4e00\u5b9e\u4f8b\u5bf9\u8c61\u7684\u76f4\u63a5\u8bbf\u95ee\u66ff\u6362\u4e3a\u53ef\u4ece\u5f85\u6d4b\u7ec4\u4ef6\u5916\u90e8\u63a7\u5236\u7684\u53c2\u6570\u6216\u5c5e\u6027\u3002\u5728 App \u4e2d\uff0c\u7ee7\u7eed\u5c06\u5355\u4e00\u5b9e\u4f8b\u7528\u4f5c\u7ec4\u4ef6\u7684\u534f\u4f5c\u8005\u3002\u5728\u6d4b\u8bd5\u4e2d\uff0c\u63d0\u4f9b\u66f4\u6613\u63a7\u5236\u7684\u66ff\u4ee3\u5bf9\u8c61\u3002 <\/p>\n
 \u4ee5\u4e0b\u6458\u5f55\u663e\u793a\u4e86\u5c06\u6b64\u66f4\u6539\u5e94\u7528\u5230\u4e0a\u8ff0\u6587\u7ae0\u68c0\u67e5\u5668\u89c6\u56fe\u63a7\u5236\u5668\u540e\u7684\u7ed3\u679c\u3002\u8be5\u89c6\u56fe\u63a7\u5236\u5668\u5c06\u901a\u77e5\u53d1\u5e03\u5230\u5176 notificationCenter<\/code> \u5c5e\u6027\u4e2d\u5b9a\u4e49\u7684\u901a\u77e5\u4e2d\u5fc3\uff0c\u8be5\u5c5e\u6027\u521d\u59cb\u5316\u4e3a\u9ed8\u8ba4\u7684\u4e2d\u5fc3\u3002 <\/p>\n
<\/span> let<\/span> InspectedArticleDidChangeNotificationName<\/span>: String<\/span> = \"InspectedArticleDidChange\"<\/span><\/span><\/span><\/span>  <\/span><\/span><\/span> class<\/span> ArticleInspectorViewController<\/span>: NSViewController<\/span> <\/span>{<\/span><\/span><\/span>  var<\/span> article: Article!<\/span> = nil<\/span><\/span><\/span><\/span>  var<\/span> notificationCenter: NotificationCenter<\/span> = NotificationCenter<\/span>.default<\/span><\/span><\/span><\/span>  <\/span><\/span><\/span>  override<\/span> var<\/span> representedObject: Any?<\/span> {<\/span><\/span><\/span>  didSet<\/span> {<\/span><\/span><\/span>  article = representedObject as<\/span>! Article?<\/span><\/span><\/span><\/span>  notificationCenter.post(name: NSNotification<\/span>.Name<\/span>(rawValue: InspectedArticleDidChangeNotificationName<\/span>), object: self<\/span>, userInfo: [\"Article\"<\/span>: article!])<\/span><\/span><\/span>  }<\/span><\/span><\/span>  }<\/span><\/span><\/span> }<\/span><\/span><\/code>\n<\/pre>\n
 \u5728\u6d4b\u8bd5\u7528\u4f8b\u4e2d\uff0c\u4f60\u53ef\u4ee5\u66ff\u6362\u4e3a\u4e0d\u540c\u7684\u901a\u77e5\u4e2d\u5fc3\uff0c\u8be5\u901a\u77e5\u4e2d\u5fc3\u4e0d\u5728\u6d4b\u8bd5\u5957\u4ef6\u6216 App \u7684\u5176\u4f59\u90e8\u5206\u4e2d\u4f7f\u7528\uff0c\u56e0\u800c\u4e0e\u5176\u4ed6\u6d4b\u8bd5\u548c\u6a21\u5757\u7684\u884c\u4e3a\u9694\u79bb\u5f00\u6765\u3002 <\/p>\n
<\/span> class<\/span> ArticleInspectorViewControllerTests<\/span>: XCTestCase<\/span> <\/span>{<\/span><\/span><\/span>  <\/span><\/span><\/span>  var<\/span> viewController: ArticleInspectorViewController!<\/span> = nil<\/span><\/span><\/span><\/span>  var<\/span> article: Article!<\/span> = nil<\/span><\/span><\/span><\/span>  var<\/span> notificationCenter: NotificationCenter!<\/span> = nil<\/span><\/span><\/span><\/span>  var<\/span> articleFromNotification: Article!<\/span> = nil<\/span><\/span><\/span><\/span>  var<\/span> observer: NSObjectProtocol?<\/span> = nil<\/span><\/span><\/span><\/span>  <\/span><\/span><\/span>  override<\/span> func<\/span> setUp<\/span>()<\/span><\/span> {<\/span><\/span><\/span>  notificationCenter = NotificationCenter<\/span>()<\/span><\/span><\/span>  viewController = ArticleInspectorViewController<\/span>()<\/span><\/span><\/span>  viewController.notificationCenter = notificationCenter<\/span><\/span><\/span>  article = Article<\/span>()<\/span><\/span><\/span>  observer = notificationCenter.addObserver(forName: NSNotification<\/span>.Name<\/span>(InspectedArticleDidChangeNotificationName<\/span>), object: viewController, queue: nil<\/span>) { note in<\/span><\/span><\/span><\/span>  let<\/span> observedArticle = note.userInfo?[\"Article\"<\/span>]<\/span><\/span><\/span>  self<\/span>.articleFromNotification = observedArticle as<\/span>? Article<\/span><\/span><\/span><\/span>  }<\/span><\/span><\/span>  }<\/span><\/span><\/span>  <\/span><\/span><\/span>  override<\/span> func<\/span> tearDown<\/span>()<\/span><\/span> {<\/span><\/span><\/span>  notificationCenter.removeObserver(observer!)<\/span><\/span><\/span>  }<\/span><\/span><\/span>  <\/span><\/span><\/span>  func<\/span> testNotificationSentOnChangingInspectedArticle<\/span>()<\/span><\/span> {<\/span><\/span><\/span>  viewController.representedObject = self<\/span>.article<\/span><\/span><\/span>  XCTAssertEqual<\/span>(self<\/span>.articleFromNotification, self<\/span>.article, \"Notification should have been posted\"<\/span>)<\/span><\/span><\/span>  }<\/span><\/span><\/span> }<\/span><\/span><\/code>\n<\/pre>\n
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\u6982\u89c8 \u5355\u5143\u6d4b\u8bd5\u4f7f\u7528 XCTest \u6765\u7f16\u5199\uff0c\u53ef\u8ba9\u4f60\u786e\u4fe1\u66f4\u6539\u548c\u6dfb\u52a0\u5185\u5bb9\u4e0d\u4f1a\u5bfc\u81f4 App \u529f\u80fd\u4e0b\u964d\uff0c\u4ece\u800c\u52a0\u5feb\u4f60\u7684\u5f00\u53d1 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[189686],"tags":[],"class_list":["post-190855","post","type-post","status-publish","format-standard","hentry","category-ios"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/190855","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=190855"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/190855\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=190855"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=190855"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=190855"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}