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denoland-deno/fs/move_test.ts

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// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
import { test } from "../testing/mod.ts";
import {
assertEquals,
assertThrows,
assertThrowsAsync
} from "../testing/asserts.ts";
import { move, moveSync } from "./move.ts";
import { ensureFile, ensureFileSync } from "./ensure_file.ts";
import { ensureDir, ensureDirSync } from "./ensure_dir.ts";
import { exists, existsSync } from "./exists.ts";
import * as path from "./path/mod.ts";
const testdataDir = path.resolve("fs", "testdata");
test(async function moveDirectoryIfSrcNotExists() {
const srcDir = path.join(testdataDir, "move_test_src_1");
const destDir = path.join(testdataDir, "move_test_dest_1");
// if src directory not exist
await assertThrowsAsync(async () => {
await move(srcDir, destDir);
});
});
test(async function moveDirectoryIfDestNotExists() {
const srcDir = path.join(testdataDir, "move_test_src_2");
const destDir = path.join(testdataDir, "move_test_dest_2");
await Deno.mkdir(srcDir, true);
// if dest directory not exist
await assertThrowsAsync(
async () => {
await move(srcDir, destDir);
throw new Error("should not throw error");
},
Error,
"should not throw error"
);
await Deno.remove(destDir);
});
test(async function moveFileIfSrcNotExists() {
const srcFile = path.join(testdataDir, "move_test_src_3", "test.txt");
const destFile = path.join(testdataDir, "move_test_dest_3", "test.txt");
// if src directory not exist
await assertThrowsAsync(async () => {
await move(srcFile, destFile);
});
});
test(async function moveFileIfDestExists() {
const srcDir = path.join(testdataDir, "move_test_src_4");
const destDir = path.join(testdataDir, "move_test_dest_4");
const srcFile = path.join(srcDir, "test.txt");
const destFile = path.join(destDir, "test.txt");
const srcContent = new TextEncoder().encode("src");
const destContent = new TextEncoder().encode("dest");
// make sure files exists
await Promise.all([ensureFile(srcFile), ensureFile(destFile)]);
// write file content
await Promise.all([
Deno.writeFile(srcFile, srcContent),
Deno.writeFile(destFile, destContent)
]);
// make sure the test file have been created
assertEquals(new TextDecoder().decode(await Deno.readFile(srcFile)), "src");
assertEquals(new TextDecoder().decode(await Deno.readFile(destFile)), "dest");
// move it without override
await assertThrowsAsync(
async () => {
await move(srcFile, destFile);
},
Error,
"dest already exists"
);
// move again with overwrite
await assertThrowsAsync(
async () => {
await move(srcFile, destFile, { overwrite: true });
throw new Error("should not throw error");
},
Error,
"should not throw error"
);
assertEquals(await exists(srcFile), false);
assertEquals(new TextDecoder().decode(await Deno.readFile(destFile)), "src");
// clean up
await Promise.all([
Deno.remove(srcDir, { recursive: true }),
Deno.remove(destDir, { recursive: true })
]);
});
test(async function moveDirectory() {
const srcDir = path.join(testdataDir, "move_test_src_5");
const destDir = path.join(testdataDir, "move_test_dest_5");
const srcFile = path.join(srcDir, "test.txt");
const destFile = path.join(destDir, "test.txt");
const srcContent = new TextEncoder().encode("src");
await Deno.mkdir(srcDir, true);
assertEquals(await exists(srcDir), true);
await Deno.writeFile(srcFile, srcContent);
await move(srcDir, destDir);
assertEquals(await exists(srcDir), false);
assertEquals(await exists(destDir), true);
assertEquals(await exists(destFile), true);
const destFileContent = new TextDecoder().decode(
await Deno.readFile(destFile)
);
assertEquals(destFileContent, "src");
await Deno.remove(destDir, { recursive: true });
});
test(async function moveIfSrcAndDestDirectoryExistsAndOverwrite() {
const srcDir = path.join(testdataDir, "move_test_src_6");
const destDir = path.join(testdataDir, "move_test_dest_6");
const srcFile = path.join(srcDir, "test.txt");
const destFile = path.join(destDir, "test.txt");
const srcContent = new TextEncoder().encode("src");
const destContent = new TextEncoder().encode("dest");
await Promise.all([Deno.mkdir(srcDir, true), Deno.mkdir(destDir, true)]);
assertEquals(await exists(srcDir), true);
assertEquals(await exists(destDir), true);
await Promise.all([
Deno.writeFile(srcFile, srcContent),
Deno.writeFile(destFile, destContent)
]);
await move(srcDir, destDir, { overwrite: true });
assertEquals(await exists(srcDir), false);
assertEquals(await exists(destDir), true);
assertEquals(await exists(destFile), true);
const destFileContent = new TextDecoder().decode(
await Deno.readFile(destFile)
);
assertEquals(destFileContent, "src");
await Deno.remove(destDir, { recursive: true });
});
test(async function moveIntoSubDir() {
const srcDir = path.join(testdataDir, "move_test_src_7");
const destDir = path.join(srcDir, "nest");
await ensureDir(destDir);
await assertThrowsAsync(
async () => {
await move(srcDir, destDir);
},
Error,
`Cannot move '${srcDir}' to a subdirectory of itself, '${destDir}'.`
);
await Deno.remove(srcDir, { recursive: true });
});
test(function moveSyncDirectoryIfSrcNotExists() {
const srcDir = path.join(testdataDir, "move_sync_test_src_1");
const destDir = path.join(testdataDir, "move_sync_test_dest_1");
// if src directory not exist
assertThrows(() => {
moveSync(srcDir, destDir);
});
});
test(function moveSyncDirectoryIfDestNotExists() {
const srcDir = path.join(testdataDir, "move_sync_test_src_2");
const destDir = path.join(testdataDir, "move_sync_test_dest_2");
Deno.mkdirSync(srcDir, true);
// if dest directory not exist
assertThrows(
() => {
moveSync(srcDir, destDir);
throw new Error("should not throw error");
},
Error,
"should not throw error"
);
Deno.removeSync(destDir);
});
test(function moveSyncFileIfSrcNotExists() {
const srcFile = path.join(testdataDir, "move_sync_test_src_3", "test.txt");
const destFile = path.join(testdataDir, "move_sync_test_dest_3", "test.txt");
// if src directory not exist
assertThrows(() => {
moveSync(srcFile, destFile);
});
});
test(function moveSyncFileIfDestExists() {
const srcDir = path.join(testdataDir, "move_sync_test_src_4");
const destDir = path.join(testdataDir, "move_sync_test_dest_4");
const srcFile = path.join(srcDir, "test.txt");
const destFile = path.join(destDir, "test.txt");
const srcContent = new TextEncoder().encode("src");
const destContent = new TextEncoder().encode("dest");
// make sure files exists
ensureFileSync(srcFile);
ensureFileSync(destFile);
// write file content
Deno.writeFileSync(srcFile, srcContent);
Deno.writeFileSync(destFile, destContent);
// make sure the test file have been created
assertEquals(new TextDecoder().decode(Deno.readFileSync(srcFile)), "src");
assertEquals(new TextDecoder().decode(Deno.readFileSync(destFile)), "dest");
// move it without override
assertThrows(
() => {
moveSync(srcFile, destFile);
},
Error,
"dest already exists"
);
// move again with overwrite
assertThrowsAsync(
() => {
moveSync(srcFile, destFile, { overwrite: true });
throw new Error("should not throw error");
},
Error,
"should not throw error"
);
assertEquals(existsSync(srcFile), false);
assertEquals(new TextDecoder().decode(Deno.readFileSync(destFile)), "src");
// clean up
Deno.removeSync(srcDir, { recursive: true });
Deno.removeSync(destDir, { recursive: true });
});
test(function moveSyncDirectory() {
const srcDir = path.join(testdataDir, "move_sync_test_src_5");
const destDir = path.join(testdataDir, "move_sync_test_dest_5");
const srcFile = path.join(srcDir, "test.txt");
const destFile = path.join(destDir, "test.txt");
const srcContent = new TextEncoder().encode("src");
Deno.mkdirSync(srcDir, true);
assertEquals(existsSync(srcDir), true);
Deno.writeFileSync(srcFile, srcContent);
moveSync(srcDir, destDir);
assertEquals(existsSync(srcDir), false);
assertEquals(existsSync(destDir), true);
assertEquals(existsSync(destFile), true);
const destFileContent = new TextDecoder().decode(Deno.readFileSync(destFile));
assertEquals(destFileContent, "src");
Deno.removeSync(destDir, { recursive: true });
});
test(function moveSyncIfSrcAndDestDirectoryExistsAndOverwrite() {
const srcDir = path.join(testdataDir, "move_sync_test_src_6");
const destDir = path.join(testdataDir, "move_sync_test_dest_6");
const srcFile = path.join(srcDir, "test.txt");
const destFile = path.join(destDir, "test.txt");
const srcContent = new TextEncoder().encode("src");
const destContent = new TextEncoder().encode("dest");
Deno.mkdirSync(srcDir, true);
Deno.mkdirSync(destDir, true);
assertEquals(existsSync(srcDir), true);
assertEquals(existsSync(destDir), true);
Deno.writeFileSync(srcFile, srcContent);
Deno.writeFileSync(destFile, destContent);
moveSync(srcDir, destDir, { overwrite: true });
assertEquals(existsSync(srcDir), false);
assertEquals(existsSync(destDir), true);
assertEquals(existsSync(destFile), true);
const destFileContent = new TextDecoder().decode(Deno.readFileSync(destFile));
assertEquals(destFileContent, "src");
Deno.removeSync(destDir, { recursive: true });
});
test(function moveSyncIntoSubDir() {
const srcDir = path.join(testdataDir, "move_sync_test_src_7");
const destDir = path.join(srcDir, "nest");
ensureDirSync(destDir);
assertThrows(
() => {
moveSync(srcDir, destDir);
},
Error,
`Cannot move '${srcDir}' to a subdirectory of itself, '${destDir}'.`
);
Deno.removeSync(srcDir, { recursive: true });
});