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std/fs/ensure_file_test.ts

Deno standard library
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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.import { assertRejects, assertThrows } from "../testing/asserts.ts";import * as path from "../path/mod.ts";import { ensureFile, ensureFileSync } from "./ensure_file.ts";
const moduleDir = path.dirname(path.fromFileUrl(import.meta.url));const testdataDir = path.resolve(moduleDir, "testdata");
Deno.test("ensureFileIfItNotExist", async function () { const testDir = path.join(testdataDir, "ensure_file_1"); const testFile = path.join(testDir, "test.txt");
await ensureFile(testFile);
await assertRejects( async () => { await Deno.stat(testFile).then((): void => { throw new Error("test file should exists."); }); }, );
await Deno.remove(testDir, { recursive: true });});
Deno.test("ensureFileSyncIfItNotExist", function (): void { const testDir = path.join(testdataDir, "ensure_file_2"); const testFile = path.join(testDir, "test.txt");
ensureFileSync(testFile);
assertThrows((): void => { Deno.statSync(testFile); throw new Error("test file should exists."); });
Deno.removeSync(testDir, { recursive: true });});
Deno.test("ensureFileIfItExist", async function () { const testDir = path.join(testdataDir, "ensure_file_3"); const testFile = path.join(testDir, "test.txt");
await Deno.mkdir(testDir, { recursive: true }); await Deno.writeFile(testFile, new Uint8Array());
await ensureFile(testFile);
await assertRejects( async () => { await Deno.stat(testFile).then((): void => { throw new Error("test file should exists."); }); }, );
await Deno.remove(testDir, { recursive: true });});
Deno.test("ensureFileSyncIfItExist", function (): void { const testDir = path.join(testdataDir, "ensure_file_4"); const testFile = path.join(testDir, "test.txt");
Deno.mkdirSync(testDir, { recursive: true }); Deno.writeFileSync(testFile, new Uint8Array());
ensureFileSync(testFile);
assertThrows((): void => { Deno.statSync(testFile); throw new Error("test file should exists."); });
Deno.removeSync(testDir, { recursive: true });});
Deno.test("ensureFileIfItExistAsDir", async function () { const testDir = path.join(testdataDir, "ensure_file_5");
await Deno.mkdir(testDir, { recursive: true });
await assertRejects( async () => { await ensureFile(testDir); }, Error, `Ensure path exists, expected 'file', got 'dir'`, );
await Deno.remove(testDir, { recursive: true });});
Deno.test("ensureFileSyncIfItExistAsDir", function (): void { const testDir = path.join(testdataDir, "ensure_file_6");
Deno.mkdirSync(testDir, { recursive: true });
assertThrows( (): void => { ensureFileSync(testDir); }, Error, `Ensure path exists, expected 'file', got 'dir'`, );
Deno.removeSync(testDir, { recursive: true });});