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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { testPerm, assertEquals, assert } from "./test_util.ts";
// chown on Windows is noop for now, so ignore its testing on Windows
if (Deno.build.os !== "win") {
async function getUidAndGid(): Promise<{ uid: number; gid: number }> {
// get the user ID and group ID of the current process
const uidProc = Deno.run({
stdout: "piped",
args: ["python", "-c", "import os; print(os.getuid())"]
});
const gidProc = Deno.run({
stdout: "piped",
args: ["python", "-c", "import os; print(os.getgid())"]
});
assertEquals((await uidProc.status()).code, 0);
assertEquals((await gidProc.status()).code, 0);
const uid = parseInt(
new TextDecoder("utf-8").decode(await uidProc.output())
);
uidProc.close();
const gid = parseInt(
new TextDecoder("utf-8").decode(await gidProc.output())
);
gidProc.close();
return { uid, gid };
}
testPerm({}, async function chownNoWritePermission(): Promise<void> {
const filePath = "chown_test_file.txt";
try {
await Deno.chown(filePath, 1000, 1000);
} catch (e) {
assert(e instanceof Deno.errors.PermissionDenied);
}
});
testPerm(
{ run: true, write: true },
async function chownSyncFileNotExist(): Promise<void> {
const { uid, gid } = await getUidAndGid();
const filePath = Deno.makeTempDirSync() + "/chown_test_file.txt";
try {
Deno.chownSync(filePath, uid, gid);
} catch (e) {
assert(e instanceof Deno.errors.NotFound);
}
}
);
testPerm(
{ run: true, write: true },
async function chownFileNotExist(): Promise<void> {
const { uid, gid } = await getUidAndGid();
const filePath = (await Deno.makeTempDir()) + "/chown_test_file.txt";
try {
await Deno.chown(filePath, uid, gid);
} catch (e) {
assert(e instanceof Deno.errors.NotFound);
}
}
);
testPerm({ write: true }, function chownSyncPermissionDenied(): void {
const enc = new TextEncoder();
const dirPath = Deno.makeTempDirSync();
const filePath = dirPath + "/chown_test_file.txt";
const fileData = enc.encode("Hello");
Deno.writeFileSync(filePath, fileData);
try {
// try changing the file's owner to root
Deno.chownSync(filePath, 0, 0);
} catch (e) {
assert(e instanceof Deno.errors.PermissionDenied);
}
Deno.removeSync(dirPath, { recursive: true });
});
testPerm({ write: true }, async function chownPermissionDenied(): Promise<
void
> {
const enc = new TextEncoder();
const dirPath = await Deno.makeTempDir();
const filePath = dirPath + "/chown_test_file.txt";
const fileData = enc.encode("Hello");
await Deno.writeFile(filePath, fileData);
try {
// try changing the file's owner to root
await Deno.chown(filePath, 0, 0);
} catch (e) {
assert(e instanceof Deno.errors.PermissionDenied);
}
await Deno.remove(dirPath, { recursive: true });
});
testPerm(
{ run: true, write: true },
async function chownSyncSucceed(): Promise<void> {
// TODO: when a file's owner is actually being changed,
// chown only succeeds if run under priviledged user (root)
// The test script has no such priviledge, so need to find a better way to test this case
const { uid, gid } = await getUidAndGid();
const enc = new TextEncoder();
const dirPath = Deno.makeTempDirSync();
const filePath = dirPath + "/chown_test_file.txt";
const fileData = enc.encode("Hello");
Deno.writeFileSync(filePath, fileData);
// the test script creates this file with the same uid and gid,
// here chown is a noop so it succeeds under non-priviledged user
Deno.chownSync(filePath, uid, gid);
Deno.removeSync(dirPath, { recursive: true });
}
);
testPerm({ run: true, write: true }, async function chownSucceed(): Promise<
void
> {
// TODO: same as chownSyncSucceed
const { uid, gid } = await getUidAndGid();
const enc = new TextEncoder();
const dirPath = await Deno.makeTempDir();
const filePath = dirPath + "/chown_test_file.txt";
const fileData = enc.encode("Hello");
await Deno.writeFile(filePath, fileData);
// the test script creates this file with the same uid and gid,
// here chown is a noop so it succeeds under non-priviledged user
await Deno.chown(filePath, uid, gid);
Deno.removeSync(dirPath, { recursive: true });
});
}
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