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denoland-deno/cli/tests/unit/read_dir_test.ts

96 lines
2.5 KiB
TypeScript

// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
import {
assert,
assertEquals,
assertRejects,
assertThrows,
pathToAbsoluteFileUrl,
unitTest,
} from "./test_util.ts";
function assertSameContent(files: Deno.DirEntry[]) {
let counter = 0;
for (const entry of files) {
if (entry.name === "subdir") {
assert(entry.isDirectory);
counter++;
}
}
assertEquals(counter, 1);
}
unitTest({ permissions: { read: true } }, function readDirSyncSuccess() {
const files = [...Deno.readDirSync("cli/tests/testdata")];
assertSameContent(files);
});
unitTest({ permissions: { read: true } }, function readDirSyncWithUrl() {
const files = [
...Deno.readDirSync(pathToAbsoluteFileUrl("cli/tests/testdata")),
];
assertSameContent(files);
});
unitTest({ permissions: { read: false } }, function readDirSyncPerm() {
assertThrows(() => {
Deno.readDirSync("tests/");
}, Deno.errors.PermissionDenied);
});
unitTest({ permissions: { read: true } }, function readDirSyncNotDir() {
assertThrows(() => {
Deno.readDirSync("cli/tests/testdata/fixture.json");
}, Error);
});
unitTest({ permissions: { read: true } }, function readDirSyncNotFound() {
assertThrows(() => {
Deno.readDirSync("bad_dir_name");
}, Deno.errors.NotFound);
});
unitTest({ permissions: { read: true } }, async function readDirSuccess() {
const files = [];
for await (const dirEntry of Deno.readDir("cli/tests/testdata")) {
files.push(dirEntry);
}
assertSameContent(files);
});
unitTest({ permissions: { read: true } }, async function readDirWithUrl() {
const files = [];
for await (
const dirEntry of Deno.readDir(pathToAbsoluteFileUrl("cli/tests/testdata"))
) {
files.push(dirEntry);
}
assertSameContent(files);
});
unitTest({ permissions: { read: false } }, async function readDirPerm() {
await assertRejects(async () => {
await Deno.readDir("tests/")[Symbol.asyncIterator]().next();
}, Deno.errors.PermissionDenied);
});
unitTest(
{ permissions: { read: true }, ignore: Deno.build.os == "windows" },
async function readDirDevFd(): Promise<
void
> {
for await (const _ of Deno.readDir("/dev/fd")) {
// We don't actually care whats in here; just that we don't panic on non regular entries
}
},
);
unitTest(
{ permissions: { read: true }, ignore: Deno.build.os == "windows" },
function readDirDevFdSync() {
for (const _ of Deno.readDirSync("/dev/fd")) {
// We don't actually care whats in here; just that we don't panic on non regular file entries
}
},
);