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denoland-deno/cli/tests/unit/read_link_test.ts
Feng Yu 668b400ff2
feat(runtime): improve error messages of runtime fs (#11984)
This commit annotates errors returned from FS Deno APIs to include
paths that were passed to the API calls.

Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>
2021-10-11 15:21:18 +02:00

100 lines
2.9 KiB
TypeScript

// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
import {
assertEquals,
assertRejects,
assertThrows,
pathToAbsoluteFileUrl,
unitTest,
} from "./test_util.ts";
unitTest(
{ permissions: { write: true, read: true } },
function readLinkSyncSuccess() {
const testDir = Deno.makeTempDirSync();
const target = testDir +
(Deno.build.os == "windows" ? "\\target" : "/target");
const symlink = testDir +
(Deno.build.os == "windows" ? "\\symlink" : "/symlink");
Deno.mkdirSync(target);
Deno.symlinkSync(target, symlink);
const targetPath = Deno.readLinkSync(symlink);
assertEquals(targetPath, target);
},
);
unitTest(
{ permissions: { write: true, read: true } },
function readLinkSyncUrlSuccess() {
const testDir = Deno.makeTempDirSync();
const target = testDir +
(Deno.build.os == "windows" ? "\\target" : "/target");
const symlink = testDir +
(Deno.build.os == "windows" ? "\\symlink" : "/symlink");
Deno.mkdirSync(target);
Deno.symlinkSync(target, symlink);
const targetPath = Deno.readLinkSync(pathToAbsoluteFileUrl(symlink));
assertEquals(targetPath, target);
},
);
unitTest({ permissions: { read: false } }, function readLinkSyncPerm() {
assertThrows(() => {
Deno.readLinkSync("/symlink");
}, Deno.errors.PermissionDenied);
});
unitTest({ permissions: { read: true } }, function readLinkSyncNotFound() {
assertThrows(
() => {
Deno.readLinkSync("bad_filename");
},
Deno.errors.NotFound,
`readlink 'bad_filename'`,
);
});
unitTest(
{ permissions: { write: true, read: true } },
async function readLinkSuccess() {
const testDir = Deno.makeTempDirSync();
const target = testDir +
(Deno.build.os == "windows" ? "\\target" : "/target");
const symlink = testDir +
(Deno.build.os == "windows" ? "\\symlink" : "/symlink");
Deno.mkdirSync(target);
Deno.symlinkSync(target, symlink);
const targetPath = await Deno.readLink(symlink);
assertEquals(targetPath, target);
},
);
unitTest(
{ permissions: { write: true, read: true } },
async function readLinkUrlSuccess() {
const testDir = Deno.makeTempDirSync();
const target = testDir +
(Deno.build.os == "windows" ? "\\target" : "/target");
const symlink = testDir +
(Deno.build.os == "windows" ? "\\symlink" : "/symlink");
Deno.mkdirSync(target);
Deno.symlinkSync(target, symlink);
const targetPath = await Deno.readLink(pathToAbsoluteFileUrl(symlink));
assertEquals(targetPath, target);
},
);
unitTest({ permissions: { read: false } }, async function readLinkPerm() {
await assertRejects(async () => {
await Deno.readLink("/symlink");
}, Deno.errors.PermissionDenied);
});
unitTest({ permissions: { read: true } }, async function readLinkNotFound() {
await assertRejects(
async () => {
await Deno.readLink("bad_filename");
},
Deno.errors.NotFound,
`readlink 'bad_filename'`,
);
});