// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license. import { unitTest, assert, assertEquals, assertThrows } from "./test_util.ts"; function assertMissing(path: string): void { let caughtErr = false; let info; try { info = Deno.lstatSync(path); } catch (e) { caughtErr = true; assert(e instanceof Deno.errors.NotFound); } assert(caughtErr); assertEquals(info, undefined); } function assertFile(path: string): void { const info = Deno.lstatSync(path); assert(info.isFile); } function assertDirectory(path: string, mode?: number): void { const info = Deno.lstatSync(path); assert(info.isDirectory); if (Deno.build.os !== "win" && mode !== undefined) { assertEquals(info.mode! & 0o777, mode & ~Deno.umask()); } } unitTest( { perms: { read: true, write: true } }, function renameSyncSuccess(): void { const testDir = Deno.makeTempDirSync(); const oldpath = testDir + "/oldpath"; const newpath = testDir + "/newpath"; Deno.mkdirSync(oldpath); Deno.renameSync(oldpath, newpath); assertDirectory(newpath); assertMissing(oldpath); } ); unitTest( { perms: { read: false, write: true } }, function renameSyncReadPerm(): void { let err; try { const oldpath = "/oldbaddir"; const newpath = "/newbaddir"; Deno.renameSync(oldpath, newpath); } catch (e) { err = e; } assert(err instanceof Deno.errors.PermissionDenied); assertEquals(err.name, "PermissionDenied"); } ); unitTest( { perms: { read: true, write: false } }, function renameSyncWritePerm(): void { let err; try { const oldpath = "/oldbaddir"; const newpath = "/newbaddir"; Deno.renameSync(oldpath, newpath); } catch (e) { err = e; } assert(err instanceof Deno.errors.PermissionDenied); assertEquals(err.name, "PermissionDenied"); } ); unitTest( { perms: { read: true, write: true } }, async function renameSuccess(): Promise { const testDir = Deno.makeTempDirSync(); const oldpath = testDir + "/oldpath"; const newpath = testDir + "/newpath"; Deno.mkdirSync(oldpath); await Deno.rename(oldpath, newpath); assertDirectory(newpath); assertMissing(oldpath); } ); function readFileString(filename: string): string { const dataRead = Deno.readFileSync(filename); const dec = new TextDecoder("utf-8"); return dec.decode(dataRead); } function writeFileString(filename: string, s: string): void { const enc = new TextEncoder(); const data = enc.encode(s); Deno.writeFileSync(filename, data, { mode: 0o666 }); } unitTest( { ignore: Deno.build.os === "win", perms: { read: true, write: true } }, function renameSyncErrorsUnix(): void { const testDir = Deno.makeTempDirSync(); const oldfile = testDir + "/oldfile"; const olddir = testDir + "/olddir"; const emptydir = testDir + "/empty"; const fulldir = testDir + "/dir"; const file = fulldir + "/file"; writeFileString(oldfile, "Hello"); Deno.mkdirSync(olddir); Deno.mkdirSync(emptydir); Deno.mkdirSync(fulldir); writeFileString(file, "world"); assertThrows( (): void => { Deno.renameSync(oldfile, emptydir); }, Error, "Is a directory" ); assertThrows( (): void => { Deno.renameSync(olddir, fulldir); }, Error, "Directory not empty" ); assertThrows( (): void => { Deno.renameSync(olddir, file); }, Error, "Not a directory" ); const fileLink = testDir + "/fileLink"; const dirLink = testDir + "/dirLink"; const danglingLink = testDir + "/danglingLink"; Deno.symlinkSync(file, fileLink); Deno.symlinkSync(emptydir, dirLink); Deno.symlinkSync(testDir + "/nonexistent", danglingLink); assertThrows( (): void => { Deno.renameSync(olddir, fileLink); }, Error, "Not a directory" ); assertThrows( (): void => { Deno.renameSync(olddir, dirLink); }, Error, "Not a directory" ); assertThrows( (): void => { Deno.renameSync(olddir, danglingLink); }, Error, "Not a directory" ); // should succeed on Unix Deno.renameSync(olddir, emptydir); Deno.renameSync(oldfile, dirLink); Deno.renameSync(dirLink, danglingLink); assertFile(danglingLink); assertEquals("Hello", readFileString(danglingLink)); } ); unitTest( { ignore: Deno.build.os !== "win", perms: { read: true, write: true } }, function renameSyncErrorsWin(): void { const testDir = Deno.makeTempDirSync(); const oldfile = testDir + "/oldfile"; const olddir = testDir + "/olddir"; const emptydir = testDir + "/empty"; const fulldir = testDir + "/dir"; const file = fulldir + "/file"; writeFileString(oldfile, "Hello"); Deno.mkdirSync(olddir); Deno.mkdirSync(emptydir); Deno.mkdirSync(fulldir); writeFileString(file, "world"); assertThrows( (): void => { Deno.renameSync(oldfile, emptydir); }, Deno.errors.PermissionDenied, "Access is denied" ); assertThrows( (): void => { Deno.renameSync(olddir, fulldir); }, Deno.errors.PermissionDenied, "Access is denied" ); assertThrows( (): void => { Deno.renameSync(olddir, emptydir); }, Deno.errors.PermissionDenied, "Access is denied" ); // should succeed on Windows Deno.renameSync(olddir, file); assertDirectory(file); } );