// deno-fmt-ignore-file // deno-lint-ignore-file // Copyright Joyent and Node contributors. All rights reserved. MIT license. // Taken from Node 18.12.1 // This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually // Flags: --expose-internals 'use strict'; // This tests that fs.access and fs.accessSync works as expected // and the errors thrown from these APIs include the desired properties const common = require('../common'); if (!common.isWindows && process.getuid() === 0) common.skip('as this test should not be run as `root`'); if (common.isIBMi) common.skip('IBMi has a different access permission mechanism'); const assert = require('assert'); const fs = require('fs'); const path = require('path'); const { internalBinding } = require('internal/test/binding'); const { UV_ENOENT } = internalBinding('uv'); const tmpdir = require('../common/tmpdir'); const doesNotExist = path.join(tmpdir.path, '__this_should_not_exist'); const readOnlyFile = path.join(tmpdir.path, 'read_only_file'); const readWriteFile = path.join(tmpdir.path, 'read_write_file'); function createFileWithPerms(file, mode) { fs.writeFileSync(file, ''); fs.chmodSync(file, mode); } tmpdir.refresh(); createFileWithPerms(readOnlyFile, 0o444); createFileWithPerms(readWriteFile, 0o666); // On non-Windows supported platforms, fs.access(readOnlyFile, W_OK, ...) // always succeeds if node runs as the super user, which is sometimes the // case for tests running on our continuous testing platform agents. // // In this case, this test tries to change its process user id to a // non-superuser user so that the test that checks for write access to a // read-only file can be more meaningful. // // The change of user id is done after creating the fixtures files for the same // reason: the test may be run as the superuser within a directory in which // only the superuser can create files, and thus it may need superuser // privileges to create them. // // There's not really any point in resetting the process' user id to 0 after // changing it to 'nobody', since in the case that the test runs without // superuser privilege, it is not possible to change its process user id to // superuser. // // It can prevent the test from removing files created before the change of user // id, but that's fine. In this case, it is the responsibility of the // continuous integration platform to take care of that. let hasWriteAccessForReadonlyFile = false; if (!common.isWindows && process.getuid() === 0) { hasWriteAccessForReadonlyFile = true; try { process.setuid('nobody'); hasWriteAccessForReadonlyFile = false; } catch { // Continue regardless of error. } } assert.strictEqual(typeof fs.F_OK, 'number'); assert.strictEqual(typeof fs.R_OK, 'number'); assert.strictEqual(typeof fs.W_OK, 'number'); assert.strictEqual(typeof fs.X_OK, 'number'); const throwNextTick = (e) => { process.nextTick(() => { throw e; }); }; fs.access(__filename, common.mustCall(function(...args) { assert.deepStrictEqual(args, [null]); })); fs.promises.access(__filename) .then(common.mustCall()) .catch(throwNextTick); fs.access(__filename, fs.R_OK, common.mustCall(function(...args) { assert.deepStrictEqual(args, [null]); })); fs.promises.access(__filename, fs.R_OK) .then(common.mustCall()) .catch(throwNextTick); fs.access(readOnlyFile, fs.R_OK, common.mustCall(function(...args) { assert.deepStrictEqual(args, [null]); })); fs.promises.access(readOnlyFile, fs.R_OK) .then(common.mustCall()) .catch(throwNextTick); { const expectedError = (err) => { assert.notStrictEqual(err, null); assert.strictEqual(err.code, 'ENOENT'); assert.strictEqual(err.path, doesNotExist); }; fs.access(doesNotExist, common.mustCall(expectedError)); fs.promises.access(doesNotExist) .then(common.mustNotCall(), common.mustCall(expectedError)) .catch(throwNextTick); } { function expectedError(err) { assert.strictEqual(this, undefined); if (hasWriteAccessForReadonlyFile) { assert.ifError(err); } else { assert.notStrictEqual(err, null); assert.strictEqual(err.path, readOnlyFile); } } fs.access(readOnlyFile, fs.W_OK, common.mustCall(expectedError)); fs.promises.access(readOnlyFile, fs.W_OK) .then(common.mustNotCall(), common.mustCall(expectedError)) .catch(throwNextTick); } { const expectedError = (err) => { assert.strictEqual(err.code, 'ERR_INVALID_ARG_TYPE'); assert.ok(err instanceof TypeError); return true; }; assert.throws( () => { fs.access(100, fs.F_OK, common.mustNotCall()); }, expectedError ); fs.promises.access(100, fs.F_OK) .then(common.mustNotCall(), common.mustCall(expectedError)) .catch(throwNextTick); } assert.throws( () => { fs.access(__filename, fs.F_OK); }, { code: 'ERR_INVALID_ARG_TYPE', name: 'TypeError' }); assert.throws( () => { fs.access(__filename, fs.F_OK, common.mustNotMutateObjectDeep({})); }, { code: 'ERR_INVALID_ARG_TYPE', name: 'TypeError' }); // Regular access should not throw. fs.accessSync(__filename); const mode = fs.R_OK | fs.W_OK; fs.accessSync(readWriteFile, mode); // Invalid modes should throw. [ false, 1n, { [Symbol.toPrimitive]() { return fs.R_OK; } }, [1], 'r', ].forEach((mode, i) => { console.log(mode, i); assert.throws( () => fs.access(readWriteFile, mode, common.mustNotCall()), { code: 'ERR_INVALID_ARG_TYPE', message: /"mode" argument.+integer/ } ); assert.throws( () => fs.accessSync(readWriteFile, mode), { code: 'ERR_INVALID_ARG_TYPE', message: /"mode" argument.+integer/ } ); }); // Out of range modes should throw [ -1, 8, Infinity, NaN, ].forEach((mode, i) => { console.log(mode, i); assert.throws( () => fs.access(readWriteFile, mode, common.mustNotCall()), { code: 'ERR_OUT_OF_RANGE', message: /"mode".+It must be an integer >= 0 && <= 7/ } ); assert.throws( () => fs.accessSync(readWriteFile, mode), { code: 'ERR_OUT_OF_RANGE', message: /"mode".+It must be an integer >= 0 && <= 7/ } ); }); assert.throws( () => { fs.accessSync(doesNotExist); }, (err) => { assert.strictEqual(err.code, 'ENOENT'); assert.strictEqual(err.path, doesNotExist); assert.strictEqual( err.message, `ENOENT: no such file or directory, access '${doesNotExist}'` ); assert.strictEqual(err.constructor, Error); assert.strictEqual(err.syscall, 'access'); assert.strictEqual(err.errno, UV_ENOENT); return true; } ); assert.throws( () => { fs.accessSync(Buffer.from(doesNotExist)); }, (err) => { assert.strictEqual(err.code, 'ENOENT'); assert.strictEqual(err.path, doesNotExist); assert.strictEqual( err.message, `ENOENT: no such file or directory, access '${doesNotExist}'` ); assert.strictEqual(err.constructor, Error); assert.strictEqual(err.syscall, 'access'); assert.strictEqual(err.errno, UV_ENOENT); return true; } );