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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.import { assertEquals, assertStringIncludes } from "../testing/asserts.ts";import * as path from "../path/mod.ts";import { exists, existsSync } from "./exists.ts";
const moduleDir = path.dirname(path.fromFileUrl(import.meta.url));const testdataDir = path.resolve(moduleDir, "testdata");
Deno.test("[fs] existsNotExist", async function () {  const tempDirPath = await Deno.makeTempDir();  try {    assertEquals(await exists(path.join(tempDirPath, "not_exists")), false);  } finally {    await Deno.remove(tempDirPath, { recursive: true });  }});
Deno.test("[fs] existsNotExistSync", function () {  const tempDirPath = Deno.makeTempDirSync();  try {    assertEquals(existsSync(path.join(tempDirPath, "not_exists")), false);  } finally {    Deno.removeSync(tempDirPath, { recursive: true });  }});
Deno.test("[fs] existsFile", async function () {  const tempDirPath = await Deno.makeTempDir();  const tempFilePath = path.join(tempDirPath, "0.ts");  const tempFile = await Deno.create(tempFilePath);  try {    assertEquals(await exists(tempFilePath), true);    assertEquals(await exists(tempFilePath, {}), true);    assertEquals(      await exists(tempFilePath, {        isDirectory: true,      }),      false,    );    assertEquals(      await exists(tempFilePath, {        isFile: true,      }),      true,    );    if (Deno.build.os !== "windows") {      // TODO(martin-braun): include mode check for Windows tests when chmod is ported to NT      await Deno.chmod(tempFilePath, 0o000);      assertEquals(        await exists(tempFilePath, {          isReadable: true,        }),        false,      );    }  } finally {    if (Deno.build.os !== "windows") {      await Deno.chmod(tempFilePath, 0o644);    }    tempFile.close();    await Deno.remove(tempDirPath, { recursive: true });  }});
Deno.test("[fs] existsFileLink", async function () {  const tempDirPath = await Deno.makeTempDir();  const tempFilePath = path.join(tempDirPath, "0.ts");  const tempLinkFilePath = path.join(tempDirPath, "0-link.ts");  const tempFile = await Deno.create(tempFilePath);  try {    await Deno.symlink(tempFilePath, tempLinkFilePath);    assertEquals(await exists(tempLinkFilePath), true);    assertEquals(await exists(tempLinkFilePath, {}), true);    assertEquals(      await exists(tempLinkFilePath, {        isDirectory: true,      }),      false,    );    assertEquals(      await exists(tempLinkFilePath, {        isFile: true,      }),      true,    );    if (Deno.build.os !== "windows") {      // TODO(martin-braun): include mode check for Windows tests when chmod is ported to NT      await Deno.chmod(tempFilePath, 0o000);      assertEquals(        await exists(tempLinkFilePath, {          isReadable: true,        }),        false,      );      // TODO(martin-braun): test unreadable link when Rust's nix::sys::stat::fchmodat has been implemented    }  } finally {    if (Deno.build.os !== "windows") {      await Deno.chmod(tempFilePath, 0o644);    }    tempFile.close();    await Deno.remove(tempDirPath, { recursive: true });  }});
Deno.test("[fs] existsFileSync", function () {  const tempDirPath = Deno.makeTempDirSync();  const tempFilePath = path.join(tempDirPath, "0.ts");  const tempFile = Deno.createSync(tempFilePath);  try {    assertEquals(existsSync(tempFilePath), true);    assertEquals(existsSync(tempFilePath, {}), true);    assertEquals(      existsSync(tempFilePath, {        isDirectory: true,      }),      false,    );    assertEquals(      existsSync(tempFilePath, {        isFile: true,      }),      true,    );    if (Deno.build.os !== "windows") {      // TODO(martin-braun): include mode check for Windows tests when chmod is ported to NT      Deno.chmodSync(tempFilePath, 0o000);      assertEquals(        existsSync(tempFilePath, {          isReadable: true,        }),        false,      );    }  } finally {    if (Deno.build.os !== "windows") {      Deno.chmodSync(tempFilePath, 0o644);    }    tempFile.close();    Deno.removeSync(tempDirPath, { recursive: true });  }});
Deno.test("[fs] existsFileLinkSync", function () {  const tempDirPath = Deno.makeTempDirSync();  const tempFilePath = path.join(tempDirPath, "0.ts");  const tempLinkFilePath = path.join(tempDirPath, "0-link.ts");  const tempFile = Deno.createSync(tempFilePath);  try {    Deno.symlinkSync(tempFilePath, tempLinkFilePath);    assertEquals(existsSync(tempLinkFilePath), true);    assertEquals(existsSync(tempLinkFilePath, {}), true);    assertEquals(      existsSync(tempLinkFilePath, {        isDirectory: true,      }),      false,    );    assertEquals(      existsSync(tempLinkFilePath, {        isFile: true,      }),      true,    );    if (Deno.build.os !== "windows") {      // TODO(martin-braun): include mode check for Windows tests when chmod is ported to NT      Deno.chmodSync(tempFilePath, 0o000);      assertEquals(        existsSync(tempLinkFilePath, {          isReadable: true,        }),        false,      );      // TODO(martin-braun): test unreadable link when Rust's nix::sys::stat::fchmodat has been implemented    }  } finally {    if (Deno.build.os !== "windows") {      Deno.chmodSync(tempFilePath, 0o644);    }    tempFile.close();    Deno.removeSync(tempDirPath, { recursive: true });  }});
Deno.test("[fs] existsDir", async function () {  const tempDirPath = await Deno.makeTempDir();  try {    assertEquals(await exists(tempDirPath), true);    assertEquals(await exists(tempDirPath, {}), true);    assertEquals(      await exists(tempDirPath, {        isDirectory: true,      }),      true,    );    assertEquals(      await exists(tempDirPath, {        isFile: true,      }),      false,    );    if (Deno.build.os !== "windows") {      // TODO(martin-braun): include mode check for Windows tests when chmod is ported to NT      await Deno.chmod(tempDirPath, 0o000);      assertEquals(        await exists(tempDirPath, {          isReadable: true,        }),        false,      );    }  } finally {    if (Deno.build.os !== "windows") {      await Deno.chmod(tempDirPath, 0o755);    }    await Deno.remove(tempDirPath, { recursive: true });  }});
Deno.test("[fs] existsDirLink", async function () {  const tempDirPath = await Deno.makeTempDir();  const tempLinkDirPath = path.join(tempDirPath, "temp-link");  try {    await Deno.symlink(tempDirPath, tempLinkDirPath);    assertEquals(await exists(tempLinkDirPath), true);    assertEquals(await exists(tempLinkDirPath, {}), true);    assertEquals(      await exists(tempLinkDirPath, {        isDirectory: true,      }),      true,    );    assertEquals(      await exists(tempLinkDirPath, {        isFile: true,      }),      false,    );    if (Deno.build.os !== "windows") {      // TODO(martin-braun): include mode check for Windows tests when chmod is ported to NT      await Deno.chmod(tempDirPath, 0o000);      assertEquals(        await exists(tempLinkDirPath, {          isReadable: true,        }),        false,      );      // TODO(martin-braun): test unreadable link when Rust's nix::sys::stat::fchmodat has been implemented    }  } finally {    if (Deno.build.os !== "windows") {      await Deno.chmod(tempDirPath, 0o755);    }    await Deno.remove(tempDirPath, { recursive: true });  }});
Deno.test("[fs] existsDirSync", function () {  const tempDirPath = Deno.makeTempDirSync();  try {    assertEquals(existsSync(tempDirPath), true);    assertEquals(existsSync(tempDirPath, {}), true);    assertEquals(      existsSync(tempDirPath, {        isDirectory: true,      }),      true,    );    assertEquals(      existsSync(tempDirPath, {        isFile: true,      }),      false,    );    if (Deno.build.os !== "windows") {      // TODO(martin-braun): include mode check for Windows tests when chmod is ported to NT      Deno.chmodSync(tempDirPath, 0o000);      assertEquals(        existsSync(tempDirPath, {          isReadable: true,        }),        false,      );    }  } finally {    if (Deno.build.os !== "windows") {      Deno.chmodSync(tempDirPath, 0o755);    }    Deno.removeSync(tempDirPath, { recursive: true });  }});
Deno.test("[fs] existsDirLinkSync", function () {  const tempDirPath = Deno.makeTempDirSync();  const tempLinkDirPath = path.join(tempDirPath, "temp-link");  try {    Deno.symlinkSync(tempDirPath, tempLinkDirPath);    assertEquals(existsSync(tempLinkDirPath), true);    assertEquals(existsSync(tempLinkDirPath, {}), true);    assertEquals(      existsSync(tempLinkDirPath, {        isDirectory: true,      }),      true,    );    assertEquals(      existsSync(tempLinkDirPath, {        isFile: true,      }),      false,    );    if (Deno.build.os !== "windows") {      // TODO(martin-braun): include mode check for Windows tests when chmod is ported to NT      Deno.chmodSync(tempDirPath, 0o000);      assertEquals(        existsSync(tempLinkDirPath, {          isReadable: true,        }),        false,      );      // TODO(martin-braun): test unreadable link when Rust's nix::sys::stat::fchmodat has been implemented    }  } finally {    if (Deno.build.os !== "windows") {      Deno.chmodSync(tempDirPath, 0o755);    }    Deno.removeSync(tempDirPath, { recursive: true });  }});
/** * Scenes control additional permission tests by spawning new Deno processes with and without --allow-read flag. */interface Scene {  read: boolean; // true to test with --allow-read  sync: boolean; // true to test sync  exists: boolean; // true to test on existing file  output: string; // required string include of stdout to succeed}
const scenes: Scene[] = [  {    read: false,    sync: false,    exists: false,    output: "run again with the --allow-read flag",  },  {    read: false,    sync: true,    exists: false,    output: "run again with the --allow-read flag",  },  {    read: true,    sync: false,    exists: false,    output: "not exist",  },  {    read: true,    sync: true,    exists: false,    output: "not exist",  },  {    read: false,    sync: false,    exists: true,    output: "run again with the --allow-read flag",  },  {    read: false,    sync: true,    exists: true,    output: "run again with the --allow-read flag",  },  {    read: true,    sync: false,    exists: true,    output: "exist",  },  {    read: true,    sync: true,    exists: true,    output: "exist",  },];
for (const s of scenes) {  let title = `test ${!s.sync ? "exists" : "existsSync"} on`;  title += ` ${s.exists ? "existing" : "non-existing"} file`;  title += ` ${s.read ? "with" : "without"} --allow-read`;  Deno.test(`[fs] existsPermission ${title}`, async function () {    const args = ["run", "--quiet", "--no-prompt"];
    if (s.read) {      args.push("--allow-read");    }    args.push(path.join(testdataDir, !s.sync ? "exists.ts" : "exists_sync.ts"));
    let tempFilePath = "does_not_exist.ts";    let tempDirPath: string | null = null;    let tempFile: Deno.FsFile | null = null;    if (s.exists) {      tempDirPath = await Deno.makeTempDir();      tempFilePath = path.join(tempDirPath, "0.ts");      tempFile = await Deno.create(tempFilePath);    }    args.push(tempFilePath);
    const command = new Deno.Command(Deno.execPath(), {      args,    });    const { stdout } = await command.output();
    if (tempFile != null) {      tempFile.close();      await Deno.remove(tempDirPath!, { recursive: true });    }
    assertStringIncludes(new TextDecoder().decode(stdout), s.output);  });  // done}