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std/fs/exists_test.ts

The Deno Standard Library
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.import { assert, assertEquals, assertStringIncludes } from "../assert/mod.ts";import * as path from "../path/mod.ts";import { exists, existsSync } from "./exists.ts";
Deno.test("exists() returns false for a non-existent path", 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("existsSync() returns false for a non-existent path", function () { const tempDirPath = Deno.makeTempDirSync(); try { assertEquals(existsSync(path.join(tempDirPath, "not_exists")), false); } finally { Deno.removeSync(tempDirPath, { recursive: true }); }});
Deno.test("exists() returns true for an existing file", async function () { const tempDirPath = await Deno.makeTempDir(); const tempFilePath = path.join(tempDirPath, "0.ts"); using _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); } await Deno.remove(tempDirPath, { recursive: true }); }});
Deno.test("exists() returns true for an existing file symlink", async function () { const tempDirPath = await Deno.makeTempDir(); const tempFilePath = path.join(tempDirPath, "0.ts"); const tempLinkFilePath = path.join(tempDirPath, "0-link.ts"); using _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); } await Deno.remove(tempDirPath, { recursive: true }); }});
Deno.test("existsSync() returns true for an existing file", function () { const tempDirPath = Deno.makeTempDirSync(); const tempFilePath = path.join(tempDirPath, "0.ts"); using _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); } Deno.removeSync(tempDirPath, { recursive: true }); }});
Deno.test("existsSync() returns true for an existing file symlink", function () { const tempDirPath = Deno.makeTempDirSync(); const tempFilePath = path.join(tempDirPath, "0.ts"); const tempLinkFilePath = path.join(tempDirPath, "0-link.ts"); using _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); } Deno.removeSync(tempDirPath, { recursive: true }); }});
Deno.test("exists() returns true for an existing dir", 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("exists() returns true for an existing dir symlink", 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("existsSync() returns true for an existing dir", 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("existsSync() returns true for an existing dir symlink", 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 }); }});
Deno.test("exists() returns false when both isDirectory and isFile sets true", async function () { const tempDirPath = await Deno.makeTempDir(); try { assertEquals( await exists(tempDirPath, { isDirectory: true, isFile: true, }), true, ); } catch (error) { assert(error instanceof TypeError); assertStringIncludes( error.message, "ExistsOptions.options.isDirectory and ExistsOptions.options.isFile must not be true together.", ); } finally { await Deno.remove(tempDirPath, { recursive: true }); }});
Deno.test("existsSync() returns false when both isDirectory and isFile sets true", async function () { const tempDirPath = await Deno.makeTempDir(); try { assertEquals( await existsSync(tempDirPath, { isDirectory: true, isFile: true, }), true, ); } catch (error) { assert(error instanceof TypeError); assertStringIncludes( error.message, "ExistsOptions.options.isDirectory and ExistsOptions.options.isFile must not be true together.", ); } finally { await Deno.remove(tempDirPath, { recursive: true }); }});