mirror of
https://github.com/denoland/deno.git
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514 lines
14 KiB
TypeScript
514 lines
14 KiB
TypeScript
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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import {
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assertEquals,
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assertThrows,
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assertThrowsAsync,
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assert,
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} from "../testing/asserts.ts";
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import * as path from "../path/mod.ts";
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import { copy, copySync } from "./copy.ts";
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import { exists, existsSync } from "./exists.ts";
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import { ensureDir, ensureDirSync } from "./ensure_dir.ts";
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import { ensureFile, ensureFileSync } from "./ensure_file.ts";
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import { ensureSymlink, ensureSymlinkSync } from "./ensure_symlink.ts";
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const testdataDir = path.resolve("fs", "testdata");
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function testCopy(name: string, cb: (tempDir: string) => Promise<void>): void {
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Deno.test({
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name,
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async fn(): Promise<void> {
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const tempDir = await Deno.makeTempDir({
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prefix: "deno_std_copy_async_test_",
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});
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await cb(tempDir);
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await Deno.remove(tempDir, { recursive: true });
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},
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});
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}
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function testCopySync(name: string, cb: (tempDir: string) => void): void {
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Deno.test({
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name,
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fn: (): void => {
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const tempDir = Deno.makeTempDirSync({
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prefix: "deno_std_copy_sync_test_",
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});
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cb(tempDir);
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Deno.removeSync(tempDir, { recursive: true });
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},
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});
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}
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testCopy(
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"[fs] copy file if it does no exist",
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async (tempDir: string): Promise<void> => {
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const srcFile = path.join(testdataDir, "copy_file_not_exists.txt");
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const destFile = path.join(tempDir, "copy_file_not_exists_1.txt");
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await assertThrowsAsync(
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async (): Promise<void> => {
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await copy(srcFile, destFile);
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}
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);
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}
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);
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testCopy(
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"[fs] copy if src and dest are the same paths",
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async (tempDir: string): Promise<void> => {
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const srcFile = path.join(tempDir, "copy_file_same.txt");
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const destFile = path.join(tempDir, "copy_file_same.txt");
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await assertThrowsAsync(
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async (): Promise<void> => {
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await copy(srcFile, destFile);
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},
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Error,
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"Source and destination cannot be the same."
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);
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}
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);
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testCopy(
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"[fs] copy file",
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async (tempDir: string): Promise<void> => {
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const srcFile = path.join(testdataDir, "copy_file.txt");
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const destFile = path.join(tempDir, "copy_file_copy.txt");
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const srcContent = new TextDecoder().decode(await Deno.readFile(srcFile));
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assertEquals(
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await exists(srcFile),
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true,
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`source should exist before copy`
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);
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assertEquals(
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await exists(destFile),
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false,
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"destination should not exist before copy"
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);
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await copy(srcFile, destFile);
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assertEquals(await exists(srcFile), true, "source should exist after copy");
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assertEquals(
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await exists(destFile),
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true,
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"destination should exist before copy"
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);
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const destContent = new TextDecoder().decode(await Deno.readFile(destFile));
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assertEquals(
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srcContent,
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destContent,
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"source and destination should have the same content"
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);
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// Copy again and it should throw an error.
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await assertThrowsAsync(
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async (): Promise<void> => {
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await copy(srcFile, destFile);
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},
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Error,
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`'${destFile}' already exists.`
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);
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// Modify destination file.
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await Deno.writeFile(destFile, new TextEncoder().encode("txt copy"));
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assertEquals(
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new TextDecoder().decode(await Deno.readFile(destFile)),
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"txt copy"
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);
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// Copy again with overwrite option.
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await copy(srcFile, destFile, { overwrite: true });
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// Make sure the file has been overwritten.
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assertEquals(
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new TextDecoder().decode(await Deno.readFile(destFile)),
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"txt"
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);
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}
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);
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testCopy(
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"[fs] copy with preserve timestamps",
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async (tempDir: string): Promise<void> => {
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const srcFile = path.join(testdataDir, "copy_file.txt");
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const destFile = path.join(tempDir, "copy_file_copy.txt");
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const srcStatInfo = await Deno.stat(srcFile);
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assert(srcStatInfo.atime instanceof Date);
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assert(srcStatInfo.mtime instanceof Date);
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// Copy with overwrite and preserve timestamps options.
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await copy(srcFile, destFile, {
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overwrite: true,
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preserveTimestamps: true,
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});
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const destStatInfo = await Deno.stat(destFile);
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assert(destStatInfo.atime instanceof Date);
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assert(destStatInfo.mtime instanceof Date);
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assertEquals(destStatInfo.atime, srcStatInfo.atime);
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assertEquals(destStatInfo.mtime, srcStatInfo.mtime);
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}
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);
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testCopy(
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"[fs] copy directory to its subdirectory",
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async (tempDir: string): Promise<void> => {
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const srcDir = path.join(tempDir, "parent");
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const destDir = path.join(srcDir, "child");
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await ensureDir(srcDir);
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await assertThrowsAsync(
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async (): Promise<void> => {
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await copy(srcDir, destDir);
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},
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Error,
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`Cannot copy '${srcDir}' to a subdirectory of itself, '${destDir}'.`
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);
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}
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);
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testCopy(
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"[fs] copy directory and destination exist and not a directory",
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async (tempDir: string): Promise<void> => {
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const srcDir = path.join(tempDir, "parent");
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const destDir = path.join(tempDir, "child.txt");
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await ensureDir(srcDir);
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await ensureFile(destDir);
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await assertThrowsAsync(
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async (): Promise<void> => {
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await copy(srcDir, destDir);
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},
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Error,
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`Cannot overwrite non-directory '${destDir}' with directory '${srcDir}'.`
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);
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}
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);
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testCopy(
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"[fs] copy directory",
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async (tempDir: string): Promise<void> => {
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const srcDir = path.join(testdataDir, "copy_dir");
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const destDir = path.join(tempDir, "copy_dir");
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const srcFile = path.join(srcDir, "0.txt");
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const destFile = path.join(destDir, "0.txt");
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const srcNestFile = path.join(srcDir, "nest", "0.txt");
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const destNestFile = path.join(destDir, "nest", "0.txt");
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await copy(srcDir, destDir);
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assertEquals(await exists(destFile), true);
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assertEquals(await exists(destNestFile), true);
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// After copy. The source and destination should have the same content.
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assertEquals(
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new TextDecoder().decode(await Deno.readFile(srcFile)),
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new TextDecoder().decode(await Deno.readFile(destFile))
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);
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assertEquals(
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new TextDecoder().decode(await Deno.readFile(srcNestFile)),
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new TextDecoder().decode(await Deno.readFile(destNestFile))
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);
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// Copy again without overwrite option and it should throw an error.
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await assertThrowsAsync(
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async (): Promise<void> => {
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await copy(srcDir, destDir);
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},
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Error,
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`'${destDir}' already exists.`
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);
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// Modify the file in the destination directory.
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await Deno.writeFile(destNestFile, new TextEncoder().encode("nest copy"));
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assertEquals(
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new TextDecoder().decode(await Deno.readFile(destNestFile)),
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"nest copy"
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);
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// Copy again with overwrite option.
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await copy(srcDir, destDir, { overwrite: true });
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// Make sure the file has been overwritten.
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assertEquals(
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new TextDecoder().decode(await Deno.readFile(destNestFile)),
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"nest"
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);
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}
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);
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testCopy(
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"[fs] copy symlink file",
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async (tempDir: string): Promise<void> => {
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const dir = path.join(testdataDir, "copy_dir_link_file");
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const srcLink = path.join(dir, "0.txt");
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const destLink = path.join(tempDir, "0_copy.txt");
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assert(
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(await Deno.lstat(srcLink)).isSymlink,
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`'${srcLink}' should be symlink type`
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);
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await copy(srcLink, destLink);
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const statInfo = await Deno.lstat(destLink);
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assert(statInfo.isSymlink, `'${destLink}' should be symlink type`);
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}
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);
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testCopy(
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"[fs] copy symlink directory",
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async (tempDir: string): Promise<void> => {
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const srcDir = path.join(testdataDir, "copy_dir");
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const srcLink = path.join(tempDir, "copy_dir_link");
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const destLink = path.join(tempDir, "copy_dir_link_copy");
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await ensureSymlink(srcDir, srcLink);
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assert(
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(await Deno.lstat(srcLink)).isSymlink,
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`'${srcLink}' should be symlink type`
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);
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await copy(srcLink, destLink);
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const statInfo = await Deno.lstat(destLink);
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assert(statInfo.isSymlink);
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}
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);
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testCopySync(
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"[fs] copy file synchronously if it does not exist",
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(tempDir: string): void => {
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const srcFile = path.join(testdataDir, "copy_file_not_exists_sync.txt");
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const destFile = path.join(tempDir, "copy_file_not_exists_1_sync.txt");
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assertThrows((): void => {
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copySync(srcFile, destFile);
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});
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}
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);
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testCopySync(
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"[fs] copy synchronously with preserve timestamps",
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(tempDir: string): void => {
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const srcFile = path.join(testdataDir, "copy_file.txt");
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const destFile = path.join(tempDir, "copy_file_copy.txt");
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const srcStatInfo = Deno.statSync(srcFile);
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assert(srcStatInfo.atime instanceof Date);
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assert(srcStatInfo.mtime instanceof Date);
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// Copy with overwrite and preserve timestamps options.
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copySync(srcFile, destFile, {
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overwrite: true,
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preserveTimestamps: true,
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});
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const destStatInfo = Deno.statSync(destFile);
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assert(destStatInfo.atime instanceof Date);
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assert(destStatInfo.mtime instanceof Date);
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// TODO: Activate test when https://github.com/denoland/deno/issues/2411
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// is fixed
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// assertEquals(destStatInfo.atime, srcStatInfo.atime);
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// assertEquals(destStatInfo.mtime, srcStatInfo.mtime);
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}
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);
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testCopySync(
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"[fs] copy synchronously if src and dest are the same paths",
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(): void => {
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const srcFile = path.join(testdataDir, "copy_file_same_sync.txt");
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assertThrows(
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(): void => {
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copySync(srcFile, srcFile);
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},
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Error,
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"Source and destination cannot be the same."
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);
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}
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);
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testCopySync("[fs] copy file synchronously", (tempDir: string): void => {
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const srcFile = path.join(testdataDir, "copy_file.txt");
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const destFile = path.join(tempDir, "copy_file_copy_sync.txt");
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const srcContent = new TextDecoder().decode(Deno.readFileSync(srcFile));
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assertEquals(existsSync(srcFile), true);
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assertEquals(existsSync(destFile), false);
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copySync(srcFile, destFile);
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assertEquals(existsSync(srcFile), true);
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assertEquals(existsSync(destFile), true);
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const destContent = new TextDecoder().decode(Deno.readFileSync(destFile));
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assertEquals(srcContent, destContent);
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// Copy again without overwrite option and it should throw an error.
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assertThrows(
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(): void => {
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copySync(srcFile, destFile);
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},
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Error,
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`'${destFile}' already exists.`
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);
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// Modify destination file.
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Deno.writeFileSync(destFile, new TextEncoder().encode("txt copy"));
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assertEquals(
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new TextDecoder().decode(Deno.readFileSync(destFile)),
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"txt copy"
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);
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// Copy again with overwrite option.
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copySync(srcFile, destFile, { overwrite: true });
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// Make sure the file has been overwritten.
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assertEquals(new TextDecoder().decode(Deno.readFileSync(destFile)), "txt");
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});
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testCopySync(
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"[fs] copy directory synchronously to its subdirectory",
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(tempDir: string): void => {
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const srcDir = path.join(tempDir, "parent");
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const destDir = path.join(srcDir, "child");
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ensureDirSync(srcDir);
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assertThrows(
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(): void => {
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copySync(srcDir, destDir);
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},
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Error,
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`Cannot copy '${srcDir}' to a subdirectory of itself, '${destDir}'.`
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);
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}
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);
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testCopySync(
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"[fs] copy directory synchronously, and destination exist and not a " +
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"directory",
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(tempDir: string): void => {
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const srcDir = path.join(tempDir, "parent_sync");
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const destDir = path.join(tempDir, "child.txt");
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ensureDirSync(srcDir);
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ensureFileSync(destDir);
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assertThrows(
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(): void => {
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copySync(srcDir, destDir);
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},
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Error,
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`Cannot overwrite non-directory '${destDir}' with directory '${srcDir}'.`
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);
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}
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);
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testCopySync("[fs] copy directory synchronously", (tempDir: string): void => {
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const srcDir = path.join(testdataDir, "copy_dir");
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const destDir = path.join(tempDir, "copy_dir_copy_sync");
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const srcFile = path.join(srcDir, "0.txt");
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const destFile = path.join(destDir, "0.txt");
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const srcNestFile = path.join(srcDir, "nest", "0.txt");
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const destNestFile = path.join(destDir, "nest", "0.txt");
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copySync(srcDir, destDir);
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assertEquals(existsSync(destFile), true);
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assertEquals(existsSync(destNestFile), true);
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// After copy. The source and destination should have the same content.
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assertEquals(
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new TextDecoder().decode(Deno.readFileSync(srcFile)),
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new TextDecoder().decode(Deno.readFileSync(destFile))
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);
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assertEquals(
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new TextDecoder().decode(Deno.readFileSync(srcNestFile)),
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new TextDecoder().decode(Deno.readFileSync(destNestFile))
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);
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// Copy again without overwrite option and it should throw an error.
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assertThrows(
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(): void => {
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copySync(srcDir, destDir);
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},
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Error,
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`'${destDir}' already exists.`
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);
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// Modify the file in the destination directory.
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Deno.writeFileSync(destNestFile, new TextEncoder().encode("nest copy"));
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assertEquals(
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new TextDecoder().decode(Deno.readFileSync(destNestFile)),
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"nest copy"
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);
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// Copy again with overwrite option.
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copySync(srcDir, destDir, { overwrite: true });
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// Make sure the file has been overwritten.
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assertEquals(
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new TextDecoder().decode(Deno.readFileSync(destNestFile)),
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"nest"
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);
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});
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testCopySync(
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"[fs] copy symlink file synchronously",
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(tempDir: string): void => {
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const dir = path.join(testdataDir, "copy_dir_link_file");
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const srcLink = path.join(dir, "0.txt");
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const destLink = path.join(tempDir, "0_copy.txt");
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assert(
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Deno.lstatSync(srcLink).isSymlink,
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`'${srcLink}' should be symlink type`
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);
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copySync(srcLink, destLink);
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const statInfo = Deno.lstatSync(destLink);
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assert(statInfo.isSymlink, `'${destLink}' should be symlink type`);
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}
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);
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testCopySync(
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"[fs] copy symlink directory synchronously",
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(tempDir: string): void => {
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const originDir = path.join(testdataDir, "copy_dir");
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const srcLink = path.join(tempDir, "copy_dir_link");
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const destLink = path.join(tempDir, "copy_dir_link_copy");
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ensureSymlinkSync(originDir, srcLink);
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assert(
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Deno.lstatSync(srcLink).isSymlink,
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`'${srcLink}' should be symlink type`
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);
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copySync(srcLink, destLink);
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const statInfo = Deno.lstatSync(destLink);
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assert(statInfo.isSymlink);
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}
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);
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