How to use verifyIsSubPath method in Appium Xcuitest Driver

...69  const containerRoot = _.isFunction(containerRootSupplier)70    ? await containerRootSupplier(bundleId, containerType)71    : containerRootSupplier;72  const resultPath = path.posix.resolve(containerRoot, relativePath);73  verifyIsSubPath(resultPath, containerRoot);74  return [bundleId, resultPath];75}76/**77 * Save the given base64 data chunk as a binary file on the Simulator under test.78 *79 * @param {Object} device - The device object, which represents the device under test.80 *                          This object is expected to have the `udid` property containing the81 *                          valid device ID.82 * @param {string} remotePath - The remote path on the device. This variable can be prefixed with83 *                              bundle id, so then the file will be uploaded to the corresponding84 *                              application container instead of the default media folder, for example85 *                              '@com.myapp.bla:data/RelativePathInContainer/111.png'. The '@' character at the86 *                              beginning of the argument is mandatory in such case. The colon at the end of bundle identifier87 *                              is optional and is used to distinguish the container type.88 *                              Possible values there are 'app', 'data', 'groups', '<A specific App Group container>'.89 *                              The default value is 'app'.90 *                              The relative folder path is ignored if the file is going to be uploaded91 *                              to the default media folder and only the file name is considered important.92 * @param {string} base64Data - Base-64 encoded content of the file to be uploaded.93 */94async function pushFileToSimulator (device, remotePath, base64Data) {95  const buffer = Buffer.from(base64Data, 'base64');96  if (CONTAINER_PATH_PATTERN.test(remotePath)) {97    const [bundleId, dstPath] = await parseContainerPath(remotePath,98      async (appBundle, containerType) => await getAppContainer(device.udid, appBundle, null, containerType));99    log.info(`Parsed bundle identifier '${bundleId}' from '${remotePath}'. ` +100      `Will put the data into '${dstPath}'`);101    if (!await fs.exists(path.dirname(dstPath))) {102      log.debug(`The destination folder '${path.dirname(dstPath)}' does not exist. Creating...`);103      await mkdirp(path.dirname(dstPath));104    }105    await fs.writeFile(dstPath, buffer);106    return;107  }108  const dstFolder = await tempDir.openDir();109  const dstPath = path.resolve(dstFolder, path.basename(remotePath));110  try {111    await fs.writeFile(dstPath, buffer);112    await addMedia(device.udid, dstPath);113  } finally {114    await fs.rimraf(dstFolder);115  }116}117/**118 * Save the given base64 data chunk as a binary file on the device under test.119 * ifuse/osxfuse should be installed and configured on the target machine in order120 * for this function to work properly. Read https://github.com/libimobiledevice/ifuse121 * and https://github.com/osxfuse/osxfuse/wiki/FAQ for more details.122 *123 * @param {Object} device - The device object, which represents the device under test.124 *                          This object is expected to have the `udid` property containing the125 *                          valid device ID.126 * @param {string} remotePath - The remote path on the device. This variable can be prefixed with127 *                              bundle id, so then the file will be uploaded to the corresponding128 *                              application container instead of the default media folder, for example129 *                              '@com.myapp.bla/RelativePathInContainer/111.png'. The '@' character at the130 *                              beginning of the argument is mandatory in such case.131 * @param {string} base64Data - Base-64 encoded content of the file to be uploaded.132 */133async function pushFileToRealDevice (device, remotePath, base64Data) {134  await verifyIFusePresence();135  const mntRoot = await tempDir.openDir();136  let isUnmountSuccessful = true;137  try {138    let dstPath = path.resolve(mntRoot, remotePath);139    let ifuseArgs = ['-u', device.udid, mntRoot];140    if (CONTAINER_PATH_PATTERN.test(remotePath)) {141      const [bundleId, pathInContainer] = await parseContainerPath(remotePath, mntRoot);142      dstPath = pathInContainer;143      log.info(`Parsed bundle identifier '${bundleId}' from '${remotePath}'. ` +144        `Will put the data into '${dstPath}'`);145      ifuseArgs = ['-u', device.udid, '--container', bundleId, mntRoot];146    } else {147      verifyIsSubPath(dstPath, mntRoot);148    }149    await mountDevice(device, ifuseArgs);150    isUnmountSuccessful = false;151    try {152      if (!await fs.exists(path.dirname(dstPath))) {153        log.debug(`The destination folder '${path.dirname(dstPath)}' does not exist. Creating...`);154        await mkdirp(path.dirname(dstPath));155      }156      await fs.writeFile(dstPath, Buffer.from(base64Data, 'base64'));157    } finally {158      await exec('umount', [mntRoot]);159      isUnmountSuccessful = true;160    }161  } finally {162    if (isUnmountSuccessful) {163      await fs.rimraf(mntRoot);164    } else {165      log.warn(`Umount has failed, so not removing '${mntRoot}'`);166    }167  }168}169/**170 * Get the content of given file or folder from iOS Simulator and return it as base-64 encoded string.171 * Folder content is recursively packed into a zip archive.172 *173 * @param {Object} device - The device object, which represents the device under test.174 *                          This object is expected to have the `udid` property containing the175 *                          valid device ID.176 * @param {string} remotePath - The path to a file or a folder, which exists in the corresponding application177 *                              container on Simulator. Use178 *                              @<app_bundle_id>:<optional_container_type>/<path_to_the_file_or_folder_inside_container>179 *                              format to pull a file or a folder from an application container of the given type.180 *                              Possible container types are 'app', 'data', 'groups', '<A specific App Group container>'.181 *                              The default type is 'app'.182 * @param {boolean} isFile - Whether the destination item is a file or a folder183 * @returns {string} Base-64 encoded content of the file.184 */185async function pullFromSimulator (device, remotePath, isFile) {186  let pathOnServer;187  if (CONTAINER_PATH_PATTERN.test(remotePath)) {188    const [bundleId, dstPath] = await parseContainerPath(remotePath,189      async (appBundle, containerType) => await getAppContainer(device.udid, appBundle, null, containerType));190    log.info(`Parsed bundle identifier '${bundleId}' from '${remotePath}'. ` +191      `Will get the data from '${dstPath}'`);192    pathOnServer = dstPath;193  } else {194    const simRoot = device.getDir();195    pathOnServer = path.posix.join(simRoot, remotePath);196    verifyIsSubPath(pathOnServer, simRoot);197    log.info(`Got the full item path: ${pathOnServer}`);198  }199  if (!await fs.exists(pathOnServer)) {200    log.errorAndThrow(`The remote ${isFile ? 'file' : 'folder'} at '${pathOnServer}' does not exist`);201  }202  const buffer = isFile203    ? await fs.readFile(pathOnServer)204    : await zip.toInMemoryZip(pathOnServer);205  return Buffer.from(buffer).toString('base64');206}207/**208 * Get the content of given file or folder from the real device under test and return it as base-64 encoded string.209 * Folder content is recursively packed into a zip archive.210 *211 * @param {Object} device - The device object, which represents the device under test.212 *                          This object is expected to have the `udid` property containing the213 *                          valid device ID.214 * @param {string} remotePath - The path to an existing remote file on the device. This variable can be prefixed with215 *                              bundle id, so then the file will be downloaded from the corresponding216 *                              application container instead of the default media folder, for example217 *                              '@com.myapp.bla/RelativePathInContainer/111.png'. The '@' character at the218 *                              beginning of the argument is mandatory in such case.219 * @param {boolean} isFile - Whether the destination item is a file or a folder220 * @return {string} Base-64 encoded content of the remote file221 */222async function pullFromRealDevice (device, remotePath, isFile) {223  await verifyIFusePresence();224  const mntRoot = await tempDir.openDir();225  let isUnmountSuccessful = true;226  try {227    let dstPath = path.resolve(mntRoot, remotePath);228    let ifuseArgs = ['-u', device.udid, mntRoot];229    if (CONTAINER_PATH_PATTERN.test(remotePath)) {230      const [bundleId, pathInContainer] = await parseContainerPath(remotePath, mntRoot);231      dstPath = pathInContainer;232      log.info(`Parsed bundle identifier '${bundleId}' from '${remotePath}'. ` +233        `Will get the data from '${dstPath}'`);234      ifuseArgs = ['-u', device.udid, '--container', bundleId, mntRoot];235    } else {236      verifyIsSubPath(dstPath, mntRoot);237    }238    await mountDevice(device, ifuseArgs);239    isUnmountSuccessful = false;240    try {241      if (!await fs.exists(dstPath)) {242        log.errorAndThrow(`The remote ${isFile ? 'file' : 'folder'} at '${dstPath}' does not exist`);243      }244      const buffer = isFile245        ? await fs.readFile(dstPath)246        : await zip.toInMemoryZip(dstPath);247      return Buffer.from(buffer).toString('base64');248    } finally {249      await exec('umount', [mntRoot]);250      isUnmountSuccessful = true;...