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63 lines
1.8 KiB
TypeScript
63 lines
1.8 KiB
TypeScript
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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import { unitTest, assert, assertThrows } from "./test_util.ts";
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// TODO(ry) Add more tests to specify format.
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unitTest({ perms: { read: false } }, function watchFsPermissions() {
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assertThrows(() => {
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Deno.watchFs(".");
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}, Deno.errors.PermissionDenied);
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});
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unitTest({ perms: { read: true } }, function watchFsInvalidPath() {
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if (Deno.build.os === "windows") {
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assertThrows(
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() => {
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Deno.watchFs("non-existant.file");
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},
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Error,
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"Input watch path is neither a file nor a directory"
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);
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} else {
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assertThrows(() => {
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Deno.watchFs("non-existant.file");
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}, Deno.errors.NotFound);
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}
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});
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async function getTwoEvents(
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iter: AsyncIterableIterator<Deno.FsEvent>
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): Promise<Deno.FsEvent[]> {
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const events = [];
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for await (const event of iter) {
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events.push(event);
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if (events.length > 2) break;
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}
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return events;
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}
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unitTest(
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{ perms: { read: true, write: true } },
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async function watchFsBasic(): Promise<void> {
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const testDir = await Deno.makeTempDir();
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const iter = Deno.watchFs(testDir);
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// Asynchornously capture two fs events.
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const eventsPromise = getTwoEvents(iter);
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// Make some random file system activity.
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const file1 = testDir + "/file1.txt";
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const file2 = testDir + "/file2.txt";
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Deno.writeFileSync(file1, new Uint8Array([0, 1, 2]));
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Deno.writeFileSync(file2, new Uint8Array([0, 1, 2]));
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// We should have gotten two fs events.
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const events = await eventsPromise;
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assert(events.length >= 2);
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assert(events[0].kind == "create");
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assert(events[0].paths[0].includes(testDir));
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assert(events[1].kind == "create" || events[1].kind == "modify");
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assert(events[1].paths[0].includes(testDir));
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}
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);
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