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denoland-deno/cli/tests/unit/read_dir_test.ts
2020-07-14 15:24:17 -04:00

80 lines
2 KiB
TypeScript

// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import {
unitTest,
assert,
assertEquals,
assertThrows,
assertThrowsAsync,
pathToAbsoluteFileUrl,
} from "./test_util.ts";
function assertSameContent(files: Deno.DirEntry[]): void {
let counter = 0;
for (const entry of files) {
if (entry.name === "subdir") {
assert(entry.isDirectory);
counter++;
}
}
assertEquals(counter, 1);
}
unitTest({ perms: { read: true } }, function readDirSyncSuccess(): void {
const files = [...Deno.readDirSync("cli/tests/")];
assertSameContent(files);
});
unitTest({ perms: { read: true } }, function readDirSyncWithUrl(): void {
const files = [...Deno.readDirSync(pathToAbsoluteFileUrl("cli/tests"))];
assertSameContent(files);
});
unitTest({ perms: { read: false } }, function readDirSyncPerm(): void {
assertThrows(() => {
Deno.readDirSync("tests/");
}, Deno.errors.PermissionDenied);
});
unitTest({ perms: { read: true } }, function readDirSyncNotDir(): void {
assertThrows(() => {
Deno.readDirSync("cli/tests/fixture.json");
}, Error);
});
unitTest({ perms: { read: true } }, function readDirSyncNotFound(): void {
assertThrows(() => {
Deno.readDirSync("bad_dir_name");
}, Deno.errors.NotFound);
});
unitTest({ perms: { read: true } }, async function readDirSuccess(): Promise<
void
> {
const files = [];
for await (const dirEntry of Deno.readDir("cli/tests/")) {
files.push(dirEntry);
}
assertSameContent(files);
});
unitTest({ perms: { read: true } }, async function readDirWithUrl(): Promise<
void
> {
const files = [];
for await (
const dirEntry of Deno.readDir(pathToAbsoluteFileUrl("cli/tests"))
) {
files.push(dirEntry);
}
assertSameContent(files);
});
unitTest({ perms: { read: false } }, async function readDirPerm(): Promise<
void
> {
await assertThrowsAsync(async () => {
await Deno.readDir("tests/")[Symbol.asyncIterator]().next();
}, Deno.errors.PermissionDenied);
});