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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { unitTest, assert, assertEquals } from "./test_util.ts";
unitTest(
{ perms: { write: true, read: true } },
function readLinkSyncSuccess(): void {
const testDir = Deno.makeTempDirSync();
const target = testDir + "/target";
const symlink = testDir + "/symln";
Deno.mkdirSync(target);
// TODO Add test for Windows once symlink is implemented for Windows.
// See https://github.com/denoland/deno/issues/815.
if (Deno.build.os !== "windows") {
Deno.symlinkSync(target, symlink);
const targetPath = Deno.readLinkSync(symlink);
assertEquals(targetPath, target);
}
}
);
unitTest({ perms: { read: false } }, function readLinkSyncPerm(): void {
let caughtError = false;
try {
Deno.readLinkSync("/symlink");
} catch (e) {
caughtError = true;
assert(e instanceof Deno.errors.PermissionDenied);
}
assert(caughtError);
});
unitTest({ perms: { read: true } }, function readLinkSyncNotFound(): void {
let caughtError = false;
let data;
try {
data = Deno.readLinkSync("bad_filename");
} catch (e) {
caughtError = true;
assert(e instanceof Deno.errors.NotFound);
}
assert(caughtError);
assertEquals(data, undefined);
});
unitTest(
{ perms: { write: true, read: true } },
async function readLinkSuccess(): Promise<void> {
const testDir = Deno.makeTempDirSync();
const target = testDir + "/target";
const symlink = testDir + "/symln";
Deno.mkdirSync(target);
// TODO Add test for Windows once symlink is implemented for Windows.
// See https://github.com/denoland/deno/issues/815.
if (Deno.build.os !== "windows") {
Deno.symlinkSync(target, symlink);
const targetPath = await Deno.readLink(symlink);
assertEquals(targetPath, target);
}
}
);
unitTest({ perms: { read: false } }, async function readLinkPerm(): Promise<
void
> {
let caughtError = false;
try {
await Deno.readLink("/symlink");
} catch (e) {
caughtError = true;
assert(e instanceof Deno.errors.PermissionDenied);
}
assert(caughtError);
});
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