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Code Issues Packages 1 Wiki Activity

BREAKING: Include limited metadata in 'DirEntry' objects (#4941)

Browse source 
This change is to prevent needed a separate stat syscall for each file
when using readdir.

For consistency, this PR also modifies std's `WalkEntry` interface to
extend `DirEntry` with an additional `path` field.
This commit is contained in:
Bert Belder 2020-04-29 22:00:31 +02:00 committed by GitHub
parent 721a4ad59d
commit 3e6ea62841
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
14 changed files with 193 additions and 206 deletions
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5
cli/js/lib.deno.ns.d.ts vendored
View file

@ -1386,8 +1386,11 @@ declare namespace Deno {
* Requires `allow-read` permission. */
export function realpath(path: string): Promise<string>;
export interface DirEntry extends FileInfo {
export interface DirEntry {
name: string;
isFile: boolean;
isDirectory: boolean;
isSymlink: boolean;
}
/** Synchronously reads the directory given by `path` and returns an iterable

14
cli/js/ops/fs/read_dir.ts
View file

@ -1,21 +1,19 @@
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { sendSync, sendAsync } from "../dispatch_json.ts";
import { FileInfo, StatResponse, parseFileInfo } from "./stat.ts";
export interface DirEntry extends FileInfo {
export interface DirEntry {
name: string;
isFile: boolean;
isDirectory: boolean;
isSymlink: boolean;
}
interface ReadDirResponse {
entries: StatResponse[];
entries: DirEntry[];
}
function res(response: ReadDirResponse): DirEntry[] {
return response.entries.map(
(statRes: StatResponse): DirEntry => {
return { ...parseFileInfo(statRes), name: statRes.name! };
}
);
return response.entries;
}
export function readdirSync(path: string): Iterable<DirEntry> {

2
cli/js/ops/fs/stat.ts
View file

@ -29,8 +29,6 @@ export interface StatResponse {
mtime: number | null;
atime: number | null;
birthtime: number | null;
// Null for stat(), but exists for readdir().
name: string | null;
// Unix only members
dev: number;
ino: number;

13
cli/js/tests/read_dir_test.ts
View file

@ -4,19 +4,14 @@ import { unitTest, assert, assertEquals } from "./test_util.ts";
function assertSameContent(files: Deno.DirEntry[]): void {
let counter = 0;
for (const file of files) {
if (file.name === "subdir") {
assert(file.isDirectory);
counter++;
}
if (file.name === "002_hello.ts") {
assertEquals(file.mode!, Deno.statSync(`cli/tests/${file.name}`).mode!);
for (const entry of files) {
if (entry.name === "subdir") {
assert(entry.isDirectory);
counter++;
}
}
assertEquals(counter, 2);
assertEquals(counter, 1);
}
unitTest({ perms: { read: true } }, function readdirSyncSuccess(): void {

28
cli/ops/fs.rs
View file

@ -460,10 +460,7 @@ fn to_msec(maybe_time: Result<SystemTime, io::Error>) -> serde_json::Value {
}
#[inline(always)]
fn get_stat_json(
metadata: std::fs::Metadata,
maybe_name: Option<String>,
) -> JsonResult {
fn get_stat_json(metadata: std::fs::Metadata) -> JsonResult {
// Unix stat member (number types only). 0 if not on unix.
macro_rules! usm {
($member: ident) => {{
@ -480,7 +477,7 @@ fn get_stat_json(
#[cfg(unix)]
use std::os::unix::fs::MetadataExt;
let mut json_val = json!({
let json_val = json!({
"isFile": metadata.is_file(),
"isDirectory": metadata.is_dir(),
"isSymlink": metadata.file_type().is_symlink(),
@ -502,14 +499,6 @@ fn get_stat_json(
"blksize": usm!(blksize),
"blocks": usm!(blocks),
});
// "name" is an optional field by our design.
if let Some(name) = maybe_name {
if let serde_json::Value::Object(ref mut m) = json_val {
m.insert("name".to_owned(), json!(name));
}
}
Ok(json_val)
}
@ -540,7 +529,7 @@ fn op_stat(
} else {
std::fs::metadata(&path)?
};
get_stat_json(metadata, None)
get_stat_json(metadata)
})
}
@ -599,10 +588,15 @@ fn op_read_dir(
let entries: Vec<_> = std::fs::read_dir(path)?
.filter_map(|entry| {
let entry = entry.unwrap();
let metadata = entry.metadata().unwrap();
let file_type = entry.file_type().unwrap();
// Not all filenames can be encoded as UTF-8. Skip those for now.
if let Ok(filename) = into_string(entry.file_name()) {
Some(get_stat_json(metadata, Some(filename)).unwrap())
if let Ok(name) = into_string(entry.file_name()) {
Some(json!({
"name": name,
"isFile": file_type.is_file(),
"isDirectory": file_type.is_dir(),
"isSymlink": file_type.is_symlink()
}))
} else {
None
}

4
std/fs/README.md
View file

@ -156,8 +156,8 @@ for (const fileInfo of walkSync(".")) {
// Async
async function printFilesNames() {
for await (const fileInfo of walk()) {
console.log(fileInfo.filename);
for await (const entry of walk()) {
console.log(entry.path);
}
}

42
std/fs/copy.ts
View file

@ -157,15 +157,15 @@ async function copyDir(
await Deno.utime(dest, srcStatInfo.atime, srcStatInfo.mtime);
}
for await (const file of Deno.readdir(src)) {
const srcPath = path.join(src, file.name);
for await (const entry of Deno.readdir(src)) {
const srcPath = path.join(src, entry.name);
const destPath = path.join(dest, path.basename(srcPath as string));
if (file.isDirectory) {
await copyDir(srcPath, destPath, options);
} else if (file.isFile) {
await copyFile(srcPath, destPath, options);
} else if (file.isSymlink) {
if (entry.isSymlink) {
await copySymLink(srcPath, destPath, options);
} else if (entry.isDirectory) {
await copyDir(srcPath, destPath, options);
} else if (entry.isFile) {
await copyFile(srcPath, destPath, options);
}
}
}
@ -185,16 +185,16 @@ function copyDirSync(src: string, dest: string, options: CopyOptions): void {
Deno.utimeSync(dest, srcStatInfo.atime, srcStatInfo.mtime);
}
for (const file of Deno.readdirSync(src)) {
assert(file.name != null, "file.name must be set");
const srcPath = path.join(src, file.name);
for (const entry of Deno.readdirSync(src)) {
assert(entry.name != null, "file.name must be set");
const srcPath = path.join(src, entry.name);
const destPath = path.join(dest, path.basename(srcPath as string));
if (file.isDirectory) {
copyDirSync(srcPath, destPath, options);
} else if (file.isFile) {
copyFileSync(srcPath, destPath, options);
} else if (file.isSymlink) {
if (entry.isSymlink) {
copySymlinkSync(srcPath, destPath, options);
} else if (entry.isDirectory) {
copyDirSync(srcPath, destPath, options);
} else if (entry.isFile) {
copyFileSync(srcPath, destPath, options);
}
}
}
@ -229,12 +229,12 @@ export async function copy(
);
}
if (srcStat.isDirectory) {
if (srcStat.isSymlink) {
await copySymLink(src, dest, options);
} else if (srcStat.isDirectory) {
await copyDir(src, dest, options);
} else if (srcStat.isFile) {
await copyFile(src, dest, options);
} else if (srcStat.isSymlink) {
await copySymLink(src, dest, options);
}
}
@ -268,11 +268,11 @@ export function copySync(
);
}
if (srcStat.isDirectory) {
if (srcStat.isSymlink) {
copySymlinkSync(src, dest, options);
} else if (srcStat.isDirectory) {
copyDirSync(src, dest, options);
} else if (srcStat.isFile) {
copyFileSync(src, dest, options);
} else if (srcStat.isSymlink) {
copySymlinkSync(src, dest, options);
}
}

82
std/fs/expand_glob.ts
View file

@ -8,9 +8,15 @@ import {
joinGlobs,
normalize,
} from "../path/mod.ts";
import { WalkEntry, walk, walkSync } from "./walk.ts";
import {
WalkEntry,
createWalkEntry,
createWalkEntrySync,
walk,
walkSync,
} from "./walk.ts";
import { assert } from "../testing/asserts.ts";
const { cwd, stat, statSync } = Deno;
const { cwd } = Deno;
type FileInfo = Deno.FileInfo;
export interface ExpandGlobOptions extends GlobOptions {
@ -48,6 +54,12 @@ function throwUnlessNotFound(error: Error): void {
}
}
function comparePath(a: WalkEntry, b: WalkEntry): number {
if (a.path < b.path) return -1;
if (a.path > b.path) return 1;
return 0;
}
/**
* Expand the glob string from the specified `root` directory and yield each
* result as a `WalkEntry` object.
@ -73,8 +85,8 @@ export async function* expandGlob(
const excludePatterns = exclude
.map(resolveFromRoot)
.map((s: string): RegExp => globToRegExp(s, globOptions));
const shouldInclude = (filename: string): boolean =>
!excludePatterns.some((p: RegExp): boolean => !!filename.match(p));
const shouldInclude = (path: string): boolean =>
!excludePatterns.some((p: RegExp): boolean => !!path.match(p));
const { segments, hasTrailingSep, winRoot } = split(resolveFromRoot(glob));
let fixedRoot = winRoot != undefined ? winRoot : "/";
@ -86,7 +98,7 @@ export async function* expandGlob(
let fixedRootInfo: WalkEntry;
try {
fixedRootInfo = { filename: fixedRoot, info: await stat(fixedRoot) };
fixedRootInfo = await createWalkEntry(fixedRoot);
} catch (error) {
return throwUnlessNotFound(error);
}
@ -95,29 +107,29 @@ export async function* expandGlob(
walkInfo: WalkEntry,
globSegment: string
): AsyncIterableIterator<WalkEntry> {
if (!walkInfo.info.isDirectory) {
if (!walkInfo.isDirectory) {
return;
} else if (globSegment == "..") {
const parentPath = joinGlobs([walkInfo.filename, ".."], globOptions);
const parentPath = joinGlobs([walkInfo.path, ".."], globOptions);
try {
if (shouldInclude(parentPath)) {
return yield { filename: parentPath, info: await stat(parentPath) };
return yield await createWalkEntry(parentPath);
}
} catch (error) {
throwUnlessNotFound(error);
}
return;
} else if (globSegment == "**") {
return yield* walk(walkInfo.filename, {
return yield* walk(walkInfo.path, {
includeFiles: false,
skip: excludePatterns,
});
}
yield* walk(walkInfo.filename, {
yield* walk(walkInfo.path, {
maxDepth: 1,
match: [
globToRegExp(
joinGlobs([walkInfo.filename, globSegment], globOptions),
joinGlobs([walkInfo.path, globSegment], globOptions),
globOptions
),
],
@ -129,27 +141,22 @@ export async function* expandGlob(
for (const segment of segments) {
// Advancing the list of current matches may introduce duplicates, so we
// pass everything through this Map.
const nextMatchMap: Map<string, FileInfo> = new Map();
const nextMatchMap: Map<string, WalkEntry> = new Map();
for (const currentMatch of currentMatches) {
for await (const nextMatch of advanceMatch(currentMatch, segment)) {
nextMatchMap.set(nextMatch.filename, nextMatch.info);
nextMatchMap.set(nextMatch.path, nextMatch);
}
}
currentMatches = [...nextMatchMap].sort().map(
([filename, info]): WalkEntry => ({
filename,
info,
})
);
currentMatches = [...nextMatchMap.values()].sort(comparePath);
}
if (hasTrailingSep) {
currentMatches = currentMatches.filter(
({ info }): boolean => info.isDirectory
(entry: WalkEntry): boolean => entry.isDirectory
);
}
if (!includeDirs) {
currentMatches = currentMatches.filter(
({ info }): boolean => !info.isDirectory
(entry: WalkEntry): boolean => !entry.isDirectory
);
}
yield* currentMatches;
@ -177,8 +184,8 @@ export function* expandGlobSync(
const excludePatterns = exclude
.map(resolveFromRoot)
.map((s: string): RegExp => globToRegExp(s, globOptions));
const shouldInclude = (filename: string): boolean =>
!excludePatterns.some((p: RegExp): boolean => !!filename.match(p));
const shouldInclude = (path: string): boolean =>
!excludePatterns.some((p: RegExp): boolean => !!path.match(p));
const { segments, hasTrailingSep, winRoot } = split(resolveFromRoot(glob));
let fixedRoot = winRoot != undefined ? winRoot : "/";
@ -190,7 +197,7 @@ export function* expandGlobSync(
let fixedRootInfo: WalkEntry;
try {
fixedRootInfo = { filename: fixedRoot, info: statSync(fixedRoot) };
fixedRootInfo = createWalkEntrySync(fixedRoot);
} catch (error) {
return throwUnlessNotFound(error);
}
@ -199,29 +206,29 @@ export function* expandGlobSync(
walkInfo: WalkEntry,
globSegment: string
): IterableIterator<WalkEntry> {
if (!walkInfo.info.isDirectory) {
if (!walkInfo.isDirectory) {
return;
} else if (globSegment == "..") {
const parentPath = joinGlobs([walkInfo.filename, ".."], globOptions);
const parentPath = joinGlobs([walkInfo.path, ".."], globOptions);
try {
if (shouldInclude(parentPath)) {
return yield { filename: parentPath, info: statSync(parentPath) };
return yield createWalkEntrySync(parentPath);
}
} catch (error) {
throwUnlessNotFound(error);
}
return;
} else if (globSegment == "**") {
return yield* walkSync(walkInfo.filename, {
return yield* walkSync(walkInfo.path, {
includeFiles: false,
skip: excludePatterns,
});
}
yield* walkSync(walkInfo.filename, {
yield* walkSync(walkInfo.path, {
maxDepth: 1,
match: [
globToRegExp(
joinGlobs([walkInfo.filename, globSegment], globOptions),
joinGlobs([walkInfo.path, globSegment], globOptions),
globOptions
),
],
@ -233,27 +240,22 @@ export function* expandGlobSync(
for (const segment of segments) {
// Advancing the list of current matches may introduce duplicates, so we
// pass everything through this Map.
const nextMatchMap: Map<string, FileInfo> = new Map();
const nextMatchMap: Map<string, WalkEntry> = new Map();
for (const currentMatch of currentMatches) {
for (const nextMatch of advanceMatch(currentMatch, segment)) {
nextMatchMap.set(nextMatch.filename, nextMatch.info);
nextMatchMap.set(nextMatch.path, nextMatch);
}
}
currentMatches = [...nextMatchMap].sort().map(
([filename, info]): WalkEntry => ({
filename,
info,
})
);
currentMatches = [...nextMatchMap.values()].sort(comparePath);
}
if (hasTrailingSep) {
currentMatches = currentMatches.filter(
({ info }): boolean => info.isDirectory
(entry: WalkEntry): boolean => entry.isDirectory
);
}
if (!includeDirs) {
currentMatches = currentMatches.filter(
({ info }): boolean => !info.isDirectory
(entry: WalkEntry): boolean => !entry.isDirectory
);
}
yield* currentMatches;

6
std/fs/expand_glob_test.ts
View file

@ -19,12 +19,12 @@ async function expandGlobArray(
options: ExpandGlobOptions
): Promise<string[]> {
const paths: string[] = [];
for await (const { filename } of expandGlob(globString, options)) {
paths.push(filename);
for await (const { path } of expandGlob(globString, options)) {
paths.push(path);
}
paths.sort();
const pathsSync = [...expandGlobSync(globString, options)].map(
({ filename }): string => filename
({ path }): string => path
);
pathsSync.sort();
assertEquals(paths, pathsSync);

80
std/fs/walk.ts
View file

@ -2,9 +2,35 @@
// https://golang.org/pkg/path/filepath/#Walk
// Copyright 2009 The Go Authors. All rights reserved. BSD license.
import { unimplemented, assert } from "../testing/asserts.ts";
import { join } from "../path/mod.ts";
import { basename, join, normalize } from "../path/mod.ts";
const { readdir, readdirSync, stat, statSync } = Deno;
export function createWalkEntrySync(path: string): WalkEntry {
path = normalize(path);
const name = basename(path);
const info = statSync(path);
return {
path,
name,
isFile: info.isFile,
isDirectory: info.isDirectory,
isSymlink: info.isSymlink,
};
}
export async function createWalkEntry(path: string): Promise<WalkEntry> {
path = normalize(path);
const name = basename(path);
const info = await stat(path);
return {
path,
name,
isFile: info.isFile,
isDirectory: info.isDirectory,
isSymlink: info.isSymlink,
};
}
export interface WalkOptions {
maxDepth?: number;
includeFiles?: boolean;
@ -16,26 +42,25 @@ export interface WalkOptions {
}
function include(
filename: string,
path: string,
exts?: string[],
match?: RegExp[],
skip?: RegExp[]
): boolean {
if (exts && !exts.some((ext): boolean => filename.endsWith(ext))) {
if (exts && !exts.some((ext): boolean => path.endsWith(ext))) {
return false;
}
if (match && !match.some((pattern): boolean => !!filename.match(pattern))) {
if (match && !match.some((pattern): boolean => !!path.match(pattern))) {
return false;
}
if (skip && skip.some((pattern): boolean => !!filename.match(pattern))) {
if (skip && skip.some((pattern): boolean => !!path.match(pattern))) {
return false;
}
return true;
}
export interface WalkEntry {
filename: string;
info: Deno.FileInfo;
export interface WalkEntry extends Deno.DirEntry {
path: string;
}
/** Walks the file tree rooted at root, yielding each file or directory in the
@ -52,8 +77,8 @@ export interface WalkEntry {
* - match?: RegExp[];
* - skip?: RegExp[];
*
* for await (const { filename, info } of walk(".")) {
* console.log(filename);
* for await (const { name, info } of walk(".")) {
* console.log(name);
* assert(info.isFile);
* };
*/
@ -73,13 +98,13 @@ export async function* walk(
return;
}
if (includeDirs && include(root, exts, match, skip)) {
yield { filename: root, info: await stat(root) };
yield await createWalkEntry(root);
}
if (maxDepth < 1 || !include(root, undefined, undefined, skip)) {
return;
}
for await (const dirEntry of readdir(root)) {
if (dirEntry.isSymlink) {
for await (const entry of readdir(root)) {
if (entry.isSymlink) {
if (followSymlinks) {
// TODO(ry) Re-enable followSymlinks.
unimplemented();
@ -88,14 +113,15 @@ export async function* walk(
}
}
const filename = join(root, dirEntry.name);
assert(entry.name != null);
const path = join(root, entry.name);
if (dirEntry.isFile) {
if (includeFiles && include(filename, exts, match, skip)) {
yield { filename, info: dirEntry };
if (entry.isFile) {
if (includeFiles && include(path, exts, match, skip)) {
yield { path, ...entry };
}
} else {
yield* walk(filename, {
yield* walk(path, {
maxDepth: maxDepth - 1,
includeFiles,
includeDirs,
@ -125,13 +151,13 @@ export function* walkSync(
return;
}
if (includeDirs && include(root, exts, match, skip)) {
yield { filename: root, info: statSync(root) };
yield createWalkEntrySync(root);
}
if (maxDepth < 1 || !include(root, undefined, undefined, skip)) {
return;
}
for (const dirEntry of readdirSync(root)) {
if (dirEntry.isSymlink) {
for (const entry of readdirSync(root)) {
if (entry.isSymlink) {
if (followSymlinks) {
unimplemented();
} else {
@ -139,15 +165,15 @@ export function* walkSync(
}
}
assert(dirEntry.name != null);
const filename = join(root, dirEntry.name);
assert(entry.name != null);
const path = join(root, entry.name);
if (dirEntry.isFile) {
if (includeFiles && include(filename, exts, match, skip)) {
yield { filename, info: dirEntry };
if (entry.isFile) {
if (includeFiles && include(path, exts, match, skip)) {
yield { path, ...entry };
}
} else {
yield* walkSync(filename, {
yield* walkSync(path, {
maxDepth: maxDepth - 1,
includeFiles,
includeDirs,

4
std/fs/walk_test.ts
View file

@ -24,8 +24,8 @@ export function testWalk(
Deno.test({ ignore, name: `[walk] ${name}`, fn });
}
function normalize({ filename }: WalkEntry): string {
return filename.replace(/\\/g, "/");
function normalize({ path }: WalkEntry): string {
return path.replace(/\\/g, "/");
}
export async function walkArray(

22
std/http/file_server.ts
View file

@ -140,22 +140,22 @@ async function serveDir(
): Promise<Response> {
const dirUrl = `/${posix.relative(target, dirPath)}`;
const listEntry: EntryInfo[] = [];
for await (const dirEntry of readdir(dirPath)) {
const filePath = posix.join(dirPath, dirEntry.name);
const fileUrl = posix.join(dirUrl, dirEntry.name);
if (dirEntry.name === "index.html" && dirEntry.isFile) {
for await (const entry of readdir(dirPath)) {
const filePath = posix.join(dirPath, entry.name);
const fileUrl = posix.join(dirUrl, entry.name);
if (entry.name === "index.html" && entry.isFile) {
// in case index.html as dir...
return serveFile(req, filePath);
}
// Yuck!
let mode = null;
let fileInfo = null;
try {
mode = (await stat(filePath)).mode;
fileInfo = await stat(filePath);
} catch (e) {}
listEntry.push({
mode: modeToString(dirEntry.isDirectory, mode),
size: dirEntry.isFile ? fileLenToString(dirEntry.size) : "",
name: dirEntry.name,
mode: modeToString(entry.isDirectory, fileInfo?.mode ?? null),
size: entry.isFile ? fileLenToString(fileInfo?.size ?? 0) : "",
name: entry.name,
url: fileUrl,
});
}
@ -331,8 +331,8 @@ function main(): void {
let response: Response | undefined;
try {
const info = await stat(fsPath);
if (info.isDirectory) {
const fileInfo = await stat(fsPath);
if (fileInfo.isDirectory) {
response = await serveDir(req, fsPath);
} else {
response = await serveFile(req, fsPath);

8
std/node/_fs/_fs_dirent.ts
View file

@ -4,11 +4,15 @@ export default class Dirent {
constructor(private entry: Deno.DirEntry) {}
isBlockDevice(): boolean {
return this.entry.blocks != null;
notImplemented("Deno does not yet support identification of block devices");
return false;
}
isCharacterDevice(): boolean {
return this.entry.blocks == null;
notImplemented(
"Deno does not yet support identification of character devices"
);
return false;
}
isDirectory(): boolean {

89
std/node/_fs/_fs_dirent_test.ts
View file

@ -3,107 +3,74 @@ import { assert, assertEquals, assertThrows } from "../../testing/asserts.ts";
import Dirent from "./_fs_dirent.ts";
class DirEntryMock implements Deno.DirEntry {
name = "";
isFile = false;
isDirectory = false;
isSymlink = false;
size = -1;
mtime = new Date(-1);
atime = new Date(-1);
birthtime = new Date(-1);
name = "";
dev = -1;
ino = -1;
mode = -1;
nlink = -1;
uid = -1;
gid = -1;
rdev = -1;
blksize = -1;
blocks: number | null = null;
}
test({
name: "Block devices are correctly identified",
fn() {
const fileInfo: DirEntryMock = new DirEntryMock();
fileInfo.blocks = 5;
assert(new Dirent(fileInfo).isBlockDevice());
assert(!new Dirent(fileInfo).isCharacterDevice());
},
});
test({
name: "Character devices are correctly identified",
fn() {
const fileInfo: DirEntryMock = new DirEntryMock();
fileInfo.blocks = null;
assert(new Dirent(fileInfo).isCharacterDevice());
assert(!new Dirent(fileInfo).isBlockDevice());
},
});
test({
name: "Directories are correctly identified",
fn() {
const fileInfo: DirEntryMock = new DirEntryMock();
fileInfo.isDirectory = true;
fileInfo.isFile = false;
fileInfo.isSymlink = false;
assert(new Dirent(fileInfo).isDirectory());
assert(!new Dirent(fileInfo).isFile());
assert(!new Dirent(fileInfo).isSymbolicLink());
const entry: DirEntryMock = new DirEntryMock();
entry.isDirectory = true;
entry.isFile = false;
entry.isSymlink = false;
assert(new Dirent(entry).isDirectory());
assert(!new Dirent(entry).isFile());
assert(!new Dirent(entry).isSymbolicLink());
},
});
test({
name: "Files are correctly identified",
fn() {
const fileInfo: DirEntryMock = new DirEntryMock();
fileInfo.isDirectory = false;
fileInfo.isFile = true;
fileInfo.isSymlink = false;
assert(!new Dirent(fileInfo).isDirectory());
assert(new Dirent(fileInfo).isFile());
assert(!new Dirent(fileInfo).isSymbolicLink());
const entry: DirEntryMock = new DirEntryMock();
entry.isDirectory = false;
entry.isFile = true;
entry.isSymlink = false;
assert(!new Dirent(entry).isDirectory());
assert(new Dirent(entry).isFile());
assert(!new Dirent(entry).isSymbolicLink());
},
});
test({
name: "Symlinks are correctly identified",
fn() {
const fileInfo: DirEntryMock = new DirEntryMock();
fileInfo.isDirectory = false;
fileInfo.isFile = false;
fileInfo.isSymlink = true;
assert(!new Dirent(fileInfo).isDirectory());
assert(!new Dirent(fileInfo).isFile());
assert(new Dirent(fileInfo).isSymbolicLink());
const entry: DirEntryMock = new DirEntryMock();
entry.isDirectory = false;
entry.isFile = false;
entry.isSymlink = true;
assert(!new Dirent(entry).isDirectory());
assert(!new Dirent(entry).isFile());
assert(new Dirent(entry).isSymbolicLink());
},
});
test({
name: "File name is correct",
fn() {
const fileInfo: DirEntryMock = new DirEntryMock();
fileInfo.name = "my_file";
assertEquals(new Dirent(fileInfo).name, "my_file");
const entry: DirEntryMock = new DirEntryMock();
entry.name = "my_file";
assertEquals(new Dirent(entry).name, "my_file");
},
});
test({
name: "Socket and FIFO pipes aren't yet available",
fn() {
const fileInfo: DirEntryMock = new DirEntryMock();
const entry: DirEntryMock = new DirEntryMock();
assertThrows(
() => {
new Dirent(fileInfo).isFIFO();
new Dirent(entry).isFIFO();
},
Error,
"does not yet support"
);
assertThrows(
() => {
new Dirent(fileInfo).isSocket();
new Dirent(entry).isSocket();
},
Error,
"does not yet support"