1
0
Fork 0
mirror of https://github.com/denoland/deno.git synced 2024-11-01 09:24:20 -04:00
denoland-deno/cli/js/tests/copy_file_test.ts

177 lines
5.1 KiB
TypeScript
Raw Normal View History

2020-01-02 15:13:47 -05:00
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { unitTest, assert, assertEquals } from "./test_util.ts";
2018-09-30 18:06:41 -04:00
function readFileString(filename: string): string {
const dataRead = Deno.readFileSync(filename);
2018-09-30 18:06:41 -04:00
const dec = new TextDecoder("utf-8");
return dec.decode(dataRead);
}
function writeFileString(filename: string, s: string): void {
2018-09-30 18:06:41 -04:00
const enc = new TextEncoder();
const data = enc.encode(s);
Deno.writeFileSync(filename, data, { mode: 0o666 });
2018-09-30 18:06:41 -04:00
}
function assertSameContent(filename1: string, filename2: string): void {
const data1 = Deno.readFileSync(filename1);
const data2 = Deno.readFileSync(filename2);
assertEquals(data1, data2);
2018-09-30 18:06:41 -04:00
}
unitTest(
{ perms: { read: true, write: true } },
function copyFileSyncSuccess(): void {
const tempDir = Deno.makeTempDirSync();
const fromFilename = tempDir + "/from.txt";
const toFilename = tempDir + "/to.txt";
writeFileString(fromFilename, "Hello world!");
Deno.copyFileSync(fromFilename, toFilename);
// No change to original file
assertEquals(readFileString(fromFilename), "Hello world!");
// Original == Dest
assertSameContent(fromFilename, toFilename);
2018-09-30 18:06:41 -04:00
}
);
2018-09-30 18:06:41 -04:00
unitTest(
{ perms: { write: true, read: true } },
function copyFileSyncFailure(): void {
const tempDir = Deno.makeTempDirSync();
const fromFilename = tempDir + "/from.txt";
const toFilename = tempDir + "/to.txt";
// We skip initial writing here, from.txt does not exist
let err;
try {
Deno.copyFileSync(fromFilename, toFilename);
} catch (e) {
err = e;
}
assert(!!err);
assert(err instanceof Deno.errors.NotFound);
}
);
unitTest(
{ perms: { write: true, read: false } },
function copyFileSyncPerm1(): void {
let caughtError = false;
try {
Deno.copyFileSync("/from.txt", "/to.txt");
} catch (e) {
caughtError = true;
assert(e instanceof Deno.errors.PermissionDenied);
}
assert(caughtError);
}
);
unitTest(
{ perms: { write: false, read: true } },
function copyFileSyncPerm2(): void {
let caughtError = false;
try {
Deno.copyFileSync("/from.txt", "/to.txt");
} catch (e) {
caughtError = true;
assert(e instanceof Deno.errors.PermissionDenied);
}
assert(caughtError);
}
);
2018-09-30 18:06:41 -04:00
unitTest(
{ perms: { read: true, write: true } },
function copyFileSyncOverwrite(): void {
const tempDir = Deno.makeTempDirSync();
const fromFilename = tempDir + "/from.txt";
const toFilename = tempDir + "/to.txt";
writeFileString(fromFilename, "Hello world!");
// Make Dest exist and have different content
writeFileString(toFilename, "Goodbye!");
Deno.copyFileSync(fromFilename, toFilename);
// No change to original file
assertEquals(readFileString(fromFilename), "Hello world!");
// Original == Dest
assertSameContent(fromFilename, toFilename);
}
);
2018-09-30 18:06:41 -04:00
unitTest(
{ perms: { read: true, write: true } },
async function copyFileSuccess(): Promise<void> {
const tempDir = Deno.makeTempDirSync();
const fromFilename = tempDir + "/from.txt";
const toFilename = tempDir + "/to.txt";
writeFileString(fromFilename, "Hello world!");
await Deno.copyFile(fromFilename, toFilename);
// No change to original file
assertEquals(readFileString(fromFilename), "Hello world!");
// Original == Dest
assertSameContent(fromFilename, toFilename);
2018-09-30 18:06:41 -04:00
}
);
2018-09-30 18:06:41 -04:00
unitTest(
{ perms: { read: true, write: true } },
async function copyFileFailure(): Promise<void> {
const tempDir = Deno.makeTempDirSync();
const fromFilename = tempDir + "/from.txt";
const toFilename = tempDir + "/to.txt";
// We skip initial writing here, from.txt does not exist
let err;
try {
await Deno.copyFile(fromFilename, toFilename);
} catch (e) {
err = e;
}
assert(!!err);
assert(err instanceof Deno.errors.NotFound);
}
);
unitTest(
{ perms: { read: true, write: true } },
async function copyFileOverwrite(): Promise<void> {
const tempDir = Deno.makeTempDirSync();
const fromFilename = tempDir + "/from.txt";
const toFilename = tempDir + "/to.txt";
writeFileString(fromFilename, "Hello world!");
// Make Dest exist and have different content
writeFileString(toFilename, "Goodbye!");
await Deno.copyFile(fromFilename, toFilename);
// No change to original file
assertEquals(readFileString(fromFilename), "Hello world!");
// Original == Dest
assertSameContent(fromFilename, toFilename);
}
);
2018-09-30 18:06:41 -04:00
unitTest(
{ perms: { read: false, write: true } },
async function copyFilePerm1(): Promise<void> {
let caughtError = false;
try {
await Deno.copyFile("/from.txt", "/to.txt");
} catch (e) {
caughtError = true;
assert(e instanceof Deno.errors.PermissionDenied);
}
assert(caughtError);
2018-09-30 18:06:41 -04:00
}
);
unitTest(
{ perms: { read: true, write: false } },
async function copyFilePerm2(): Promise<void> {
let caughtError = false;
try {
await Deno.copyFile("/from.txt", "/to.txt");
} catch (e) {
caughtError = true;
assert(e instanceof Deno.errors.PermissionDenied);
}
assert(caughtError);
}
);