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Merge deno_cli_snapshots into deno_cli (#3064)

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Ryan Dahl 2019-10-04 20:28:51 -04:00 • committed by GitHub
parent 9049213867
commit b81e5db17a
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148 changed files with 38 additions and 83 deletions
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115
cli/js/link_test.ts Normal file
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// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
import { testPerm, assert, assertEquals } from "./test_util.ts";
testPerm({ read: true, write: true }, function linkSyncSuccess(): void {
const testDir = Deno.makeTempDirSync();
const oldData = "Hardlink";
const oldName = testDir + "/oldname";
const newName = testDir + "/newname";
Deno.writeFileSync(oldName, new TextEncoder().encode(oldData));
// Create the hard link.
Deno.linkSync(oldName, newName);
// We should expect reading the same content.
const newData = new TextDecoder().decode(Deno.readFileSync(newName));
assertEquals(oldData, newData);
// Writing to newname also affects oldname.
const newData2 = "Modified";
Deno.writeFileSync(newName, new TextEncoder().encode(newData2));
assertEquals(newData2, new TextDecoder().decode(Deno.readFileSync(oldName)));
// Writing to oldname also affects newname.
const newData3 = "ModifiedAgain";
Deno.writeFileSync(oldName, new TextEncoder().encode(newData3));
assertEquals(newData3, new TextDecoder().decode(Deno.readFileSync(newName)));
// Remove oldname. File still accessible through newname.
Deno.removeSync(oldName);
const newNameStat = Deno.statSync(newName);
assert(newNameStat.isFile());
assert(!newNameStat.isSymlink()); // Not a symlink.
assertEquals(newData3, new TextDecoder().decode(Deno.readFileSync(newName)));
});
testPerm({ read: true, write: true }, function linkSyncExists(): void {
const testDir = Deno.makeTempDirSync();
const oldName = testDir + "/oldname";
const newName = testDir + "/newname";
Deno.writeFileSync(oldName, new TextEncoder().encode("oldName"));
// newname is already created.
Deno.writeFileSync(newName, new TextEncoder().encode("newName"));
let err;
try {
Deno.linkSync(oldName, newName);
} catch (e) {
err = e;
}
assert(!!err);
assertEquals(err.kind, Deno.ErrorKind.AlreadyExists);
assertEquals(err.name, "AlreadyExists");
});
testPerm({ read: true, write: true }, function linkSyncNotFound(): void {
const testDir = Deno.makeTempDirSync();
const oldName = testDir + "/oldname";
const newName = testDir + "/newname";
let err;
try {
Deno.linkSync(oldName, newName);
} catch (e) {
err = e;
}
assert(!!err);
assertEquals(err.kind, Deno.ErrorKind.NotFound);
assertEquals(err.name, "NotFound");
});
testPerm({ read: false, write: true }, function linkSyncReadPerm(): void {
let err;
try {
Deno.linkSync("oldbaddir", "newbaddir");
} catch (e) {
err = e;
}
assertEquals(err.kind, Deno.ErrorKind.PermissionDenied);
assertEquals(err.name, "PermissionDenied");
});
testPerm({ read: true, write: false }, function linkSyncWritePerm(): void {
let err;
try {
Deno.linkSync("oldbaddir", "newbaddir");
} catch (e) {
err = e;
}
assertEquals(err.kind, Deno.ErrorKind.PermissionDenied);
assertEquals(err.name, "PermissionDenied");
});
testPerm({ read: true, write: true }, async function linkSuccess(): Promise<
void
> {
const testDir = Deno.makeTempDirSync();
const oldData = "Hardlink";
const oldName = testDir + "/oldname";
const newName = testDir + "/newname";
Deno.writeFileSync(oldName, new TextEncoder().encode(oldData));
// Create the hard link.
await Deno.link(oldName, newName);
// We should expect reading the same content.
const newData = new TextDecoder().decode(Deno.readFileSync(newName));
assertEquals(oldData, newData);
// Writing to newname also affects oldname.
const newData2 = "Modified";
Deno.writeFileSync(newName, new TextEncoder().encode(newData2));
assertEquals(newData2, new TextDecoder().decode(Deno.readFileSync(oldName)));
// Writing to oldname also affects newname.
const newData3 = "ModifiedAgain";
Deno.writeFileSync(oldName, new TextEncoder().encode(newData3));
assertEquals(newData3, new TextDecoder().decode(Deno.readFileSync(newName)));
// Remove oldname. File still accessible through newname.
Deno.removeSync(oldName);
const newNameStat = Deno.statSync(newName);
assert(newNameStat.isFile());
assert(!newNameStat.isSymlink()); // Not a symlink.
assertEquals(newData3, new TextDecoder().decode(Deno.readFileSync(newName)));
});