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65 lines
1.8 KiB
TypeScript
65 lines
1.8 KiB
TypeScript
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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import { unitTest, assert, assertEquals } from "./test_util.ts";
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unitTest({ perms: { read: true } }, function readFileSyncSuccess(): void {
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const data = Deno.readFileSync("cli/tests/fixture.json");
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assert(data.byteLength > 0);
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const decoder = new TextDecoder("utf-8");
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const json = decoder.decode(data);
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const pkg = JSON.parse(json);
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assertEquals(pkg.name, "deno");
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});
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unitTest({ perms: { read: false } }, function readFileSyncPerm(): void {
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let caughtError = false;
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try {
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Deno.readFileSync("cli/tests/fixture.json");
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} catch (e) {
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caughtError = true;
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assert(e instanceof Deno.errors.PermissionDenied);
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}
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assert(caughtError);
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});
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unitTest({ perms: { read: true } }, function readFileSyncNotFound(): void {
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let caughtError = false;
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let data;
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try {
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data = Deno.readFileSync("bad_filename");
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} catch (e) {
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caughtError = true;
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assert(e instanceof Deno.errors.NotFound);
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}
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assert(caughtError);
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assert(data === undefined);
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});
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unitTest({ perms: { read: true } }, async function readFileSuccess(): Promise<
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void
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> {
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const data = await Deno.readFile("cli/tests/fixture.json");
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assert(data.byteLength > 0);
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const decoder = new TextDecoder("utf-8");
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const json = decoder.decode(data);
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const pkg = JSON.parse(json);
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assertEquals(pkg.name, "deno");
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});
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unitTest({ perms: { read: false } }, async function readFilePerm(): Promise<
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void
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> {
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let caughtError = false;
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try {
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await Deno.readFile("cli/tests/fixture.json");
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} catch (e) {
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caughtError = true;
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assert(e instanceof Deno.errors.PermissionDenied);
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}
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assert(caughtError);
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});
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unitTest({ perms: { read: true } }, function readFileSyncLoop(): void {
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for (let i = 0; i < 256; i++) {
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Deno.readFileSync("cli/tests/fixture.json");
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}
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});
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