mirror of https://github.com/webpack/webpack.git
124 lines
3.1 KiB
JavaScript
124 lines
3.1 KiB
JavaScript
"use strict";
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const { createFsFromVolume, Volume } = require("memfs");
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const ContextModuleFactory = require("../lib/ContextModuleFactory");
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describe("ContextModuleFactory", () => {
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describe("resolveDependencies", () => {
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let factory, memfs;
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beforeEach(() => {
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factory = new ContextModuleFactory([]);
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memfs = createFsFromVolume(new Volume());
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});
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it("should not report an error when ENOENT errors happen", done => {
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memfs.readdir = (dir, callback) => {
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setTimeout(() => callback(null, ["/file"]));
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};
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memfs.stat = (file, callback) => {
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let err = new Error("fake ENOENT error");
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err.code = "ENOENT";
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setTimeout(() => callback(err, null));
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};
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factory.resolveDependencies(
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memfs,
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{
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resource: "/",
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recursive: true,
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regExp: /.*/
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},
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(err, res) => {
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expect(err).toBeFalsy();
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expect(Array.isArray(res)).toBe(true);
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expect(res.length).toBe(0);
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done();
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}
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);
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});
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it("should report an error when non-ENOENT errors happen", done => {
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memfs.readdir = (dir, callback) => {
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setTimeout(() => callback(null, ["/file"]));
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};
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memfs.stat = (file, callback) => {
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let err = new Error("fake EACCES error");
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err.code = "EACCES";
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setTimeout(() => callback(err, null));
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};
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factory.resolveDependencies(
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memfs,
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{
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resource: "/",
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recursive: true,
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regExp: /.*/
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},
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(err, res) => {
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expect(err).toBeInstanceOf(Error);
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expect(res).toBeFalsy();
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done();
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}
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);
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});
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it("should return callback with [] if circular symlinks exist", done => {
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let statDirStatus = 0;
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memfs.readdir = (dir, callback) => {
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statDirStatus++;
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setTimeout(() => callback(null, ["/A"]));
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};
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memfs.stat = (file, callback) => {
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const resolvedValue = {
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isDirectory: () => statDirStatus === 1,
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isFile: () => statDirStatus !== 1
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};
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setTimeout(() => callback(null, resolvedValue));
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};
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memfs.realpath = (dir, callback) => {
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const realPath = dir.split("/");
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setTimeout(() => callback(null, realPath[realPath.length - 1]));
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};
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factory.resolveDependencies(
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memfs,
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{
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resource: "/A",
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recursive: true,
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regExp: /.*/
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},
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(err, res) => {
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expect(res).toStrictEqual([]);
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done();
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}
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);
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});
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it("should not return callback with [] if there are no circular symlinks", done => {
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let statDirStatus = 0;
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memfs.readdir = (dir, callback) => {
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statDirStatus++;
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setTimeout(() => callback(null, ["/B"]));
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};
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memfs.stat = (file, callback) => {
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const resolvedValue = {
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isDirectory: () => statDirStatus === 1,
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isFile: () => statDirStatus !== 1
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};
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setTimeout(() => callback(null, resolvedValue));
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};
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memfs.realpath = (dir, callback) => {
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const realPath = dir.split("/");
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setTimeout(() => callback(null, realPath[realPath.length - 1]));
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};
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factory.resolveDependencies(
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memfs,
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{
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resource: "/A",
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recursive: true,
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regExp: /.*/
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},
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(err, res) => {
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expect(res).not.toStrictEqual([]);
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expect(Array.isArray(res)).toBe(true);
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expect(res.length).toBe(1);
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done();
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}
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);
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});
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});
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});
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