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std/fs/ensure_symlink_test.ts

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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.// TODO(axetroy): Add test for Windows once symlink is implemented for Windows.import { assertEquals, assertThrows, assertThrowsAsync,} from "../testing/asserts.ts";import * as path from "../path/mod.ts";import { ensureSymlink, ensureSymlinkSync } from "./ensure_symlink.ts";
const testdataDir = path.resolve("fs", "testdata");const isWindows = Deno.build.os === "win";
Deno.test(async function ensureSymlinkIfItNotExist(): Promise<void> { const testDir = path.join(testdataDir, "link_file_1"); const testFile = path.join(testDir, "test.txt");
await assertThrowsAsync( async (): Promise<void> => { await ensureSymlink(testFile, path.join(testDir, "test1.txt")); } );
await assertThrowsAsync( async (): Promise<void> => { await Deno.stat(testFile).then((): void => { throw new Error("test file should exists."); }); } );});
Deno.test(function ensureSymlinkSyncIfItNotExist(): void { const testDir = path.join(testdataDir, "link_file_2"); const testFile = path.join(testDir, "test.txt");
assertThrows((): void => { ensureSymlinkSync(testFile, path.join(testDir, "test1.txt")); });
assertThrows((): void => { Deno.statSync(testFile); throw new Error("test file should exists."); });});
Deno.test(async function ensureSymlinkIfItExist(): Promise<void> { const testDir = path.join(testdataDir, "link_file_3"); const testFile = path.join(testDir, "test.txt"); const linkFile = path.join(testDir, "link.txt");
await Deno.mkdir(testDir, { recursive: true }); await Deno.writeFile(testFile, new Uint8Array());
if (isWindows) { await assertThrowsAsync( (): Promise<void> => ensureSymlink(testFile, linkFile), Error, "not implemented" ); await Deno.remove(testDir, { recursive: true }); return; } else { await ensureSymlink(testFile, linkFile); }
const srcStat = await Deno.lstat(testFile); const linkStat = await Deno.lstat(linkFile);
assertEquals(srcStat.isFile, true); assertEquals(linkStat.isSymlink, true);
await Deno.remove(testDir, { recursive: true });});
Deno.test(function ensureSymlinkSyncIfItExist(): void { const testDir = path.join(testdataDir, "link_file_4"); const testFile = path.join(testDir, "test.txt"); const linkFile = path.join(testDir, "link.txt");
Deno.mkdirSync(testDir, { recursive: true }); Deno.writeFileSync(testFile, new Uint8Array());
if (isWindows) { assertThrows( (): void => ensureSymlinkSync(testFile, linkFile), Error, "not implemented" ); Deno.removeSync(testDir, { recursive: true }); return; } else { ensureSymlinkSync(testFile, linkFile); }
const srcStat = Deno.lstatSync(testFile);
const linkStat = Deno.lstatSync(linkFile);
assertEquals(srcStat.isFile, true); assertEquals(linkStat.isSymlink, true);
Deno.removeSync(testDir, { recursive: true });});
Deno.test(async function ensureSymlinkDirectoryIfItExist(): Promise<void> { const testDir = path.join(testdataDir, "link_file_origin_3"); const linkDir = path.join(testdataDir, "link_file_link_3"); const testFile = path.join(testDir, "test.txt");
await Deno.mkdir(testDir, { recursive: true }); await Deno.writeFile(testFile, new Uint8Array());
if (isWindows) { await assertThrowsAsync( (): Promise<void> => ensureSymlink(testDir, linkDir), Error, "not implemented" ); await Deno.remove(testDir, { recursive: true }); return; } else { await ensureSymlink(testDir, linkDir); }
const testDirStat = await Deno.lstat(testDir); const linkDirStat = await Deno.lstat(linkDir); const testFileStat = await Deno.lstat(testFile);
assertEquals(testFileStat.isFile, true); assertEquals(testDirStat.isDirectory, true); assertEquals(linkDirStat.isSymlink, true);
await Deno.remove(linkDir, { recursive: true }); await Deno.remove(testDir, { recursive: true });});
Deno.test(function ensureSymlinkSyncDirectoryIfItExist(): void { const testDir = path.join(testdataDir, "link_file_origin_3"); const linkDir = path.join(testdataDir, "link_file_link_3"); const testFile = path.join(testDir, "test.txt");
Deno.mkdirSync(testDir, { recursive: true }); Deno.writeFileSync(testFile, new Uint8Array());
if (isWindows) { assertThrows( (): void => ensureSymlinkSync(testDir, linkDir), Error, "not implemented" ); Deno.removeSync(testDir, { recursive: true }); return; } else { ensureSymlinkSync(testDir, linkDir); }
const testDirStat = Deno.lstatSync(testDir); const linkDirStat = Deno.lstatSync(linkDir); const testFileStat = Deno.lstatSync(testFile);
assertEquals(testFileStat.isFile, true); assertEquals(testDirStat.isDirectory, true); assertEquals(linkDirStat.isSymlink, true);
Deno.removeSync(linkDir, { recursive: true }); Deno.removeSync(testDir, { recursive: true });});