123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.import { assertRejects, assertThrows } from "../assert/mod.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("ensureFile() creates file if it does not exist", async function () {  const testDir = path.join(testdataDir, "ensure_file_1");  const testFile = path.join(testDir, "test.txt");
  try {    await ensureFile(testFile);
    // test file should exists.    await Deno.stat(testFile);  } finally {    await Deno.remove(testDir, { recursive: true });  }});
Deno.test("ensureFileSync() creates file if it does not exist", function () {  const testDir = path.join(testdataDir, "ensure_file_2");  const testFile = path.join(testDir, "test.txt");
  try {    ensureFileSync(testFile);
    // test file should exists.    Deno.statSync(testFile);  } finally {    Deno.removeSync(testDir, { recursive: true });  }});
Deno.test("ensureFile() ensures existing file exists", async function () {  const testDir = path.join(testdataDir, "ensure_file_3");  const testFile = path.join(testDir, "test.txt");
  try {    await Deno.mkdir(testDir, { recursive: true });    await Deno.writeFile(testFile, new Uint8Array());
    await ensureFile(testFile);
    // test file should exists.    await Deno.stat(testFile);  } finally {    await Deno.remove(testDir, { recursive: true });  }});
Deno.test("ensureFileSync() ensures existing file exists", function () {  const testDir = path.join(testdataDir, "ensure_file_4");  const testFile = path.join(testDir, "test.txt");
  try {    Deno.mkdirSync(testDir, { recursive: true });    Deno.writeFileSync(testFile, new Uint8Array());
    ensureFileSync(testFile);
    // test file should exists.    Deno.statSync(testFile);  } finally {    Deno.removeSync(testDir, { recursive: true });  }});
Deno.test("ensureFile() rejects if input is dir", async function () {  const testDir = path.join(testdataDir, "ensure_file_5");
  try {    await Deno.mkdir(testDir, { recursive: true });
    await assertRejects(      async () => {        await ensureFile(testDir);      },      Error,      `Ensure path exists, expected 'file', got 'dir'`,    );  } finally {    await Deno.remove(testDir, { recursive: true });  }});
Deno.test("ensureFileSync() throws if input is dir", function () {  const testDir = path.join(testdataDir, "ensure_file_6");
  try {    Deno.mkdirSync(testDir, { recursive: true });
    assertThrows(      () => {        ensureFileSync(testDir);      },      Error,      `Ensure path exists, expected 'file', got 'dir'`,    );  } finally {    Deno.removeSync(testDir, { recursive: true });  }});
Deno.test({  name: "ensureFile() rejects permission fs write error",  permissions: { read: true },  async fn() {    const testDir = path.join(testdataDir, "ensure_file_7");    const testFile = path.join(testDir, "test.txt");
    // ensureFile fails because this test doesn't have write permissions,    // but don't swallow that error.    await assertRejects(      async () => await ensureFile(testFile),      Deno.errors.PermissionDenied,    );  },});
Deno.test({  name: "ensureFileSync() throws permission fs write error",  permissions: { read: true },  fn() {    const testDir = path.join(testdataDir, "ensure_file_8");    const testFile = path.join(testDir, "test.txt");
    // ensureFileSync fails because this test doesn't have write permissions,    // but don't swallow that error.    assertThrows(      () => ensureFileSync(testFile),      Deno.errors.PermissionDenied,    );  },});
Deno.test({  name:    "ensureFile() can write file without write permissions on parent directory",  permissions: {    read: true,    write: [      path.join(testdataDir, "ensure_file_9"),      path.join(testdataDir, "ensure_file_9", "test.txt"),    ],    run: [Deno.execPath()],  },  async fn() {    const testDir = path.join(testdataDir, "ensure_file_9");    const testFile = path.join(testDir, "test.txt");
    try {      await Deno.mkdir(testDir, { recursive: true });      await Deno.permissions.revoke({ name: "write", path: testDir });
      // should still work as the parent directory already exists      await ensureFile(testFile);
      // test file should exist      await Deno.stat(testFile);    } finally {      // it's dirty, but we can't remove the test output in the same process after dropping the write permission      await new Deno.Command(Deno.execPath(), {        args: [          "eval",          "--no-lock",          `Deno.removeSync("${testDir}", { recursive: true });`,        ],      }).output();    }  },});
Deno.test({  name:    "ensureFileSync() can write file without write permissions on parent directory",  permissions: {    read: true,    write: [      path.join(testdataDir, "ensure_file_10"),      path.join(testdataDir, "ensure_file_10", "test.txt"),    ],    run: [Deno.execPath()],  },  fn() {    const testDir = path.join(testdataDir, "ensure_file_10");    const testFile = path.join(testDir, "test.txt");
    try {      Deno.mkdirSync(testDir, { recursive: true });      Deno.permissions.revokeSync({ name: "write", path: testDir });
      // should still work as the parent directory already exists      ensureFileSync(testFile);
      // test file should exist      Deno.statSync(testFile);    } finally {      // it's dirty, but we can't remove the test output in the same process after dropping the write permission      new Deno.Command(Deno.execPath(), {        args: [          "eval",          "--no-lock",          `Deno.removeSync("${testDir}", { recursive: true });`,        ],      }).outputSync();    }  },});