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// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
import {
assert,
assertEquals,
assertThrows,
assertThrowsAsync,
pathToAbsoluteFileUrl,
unitTest,
} from "./test_util.ts";
unitTest({ perms: { read: true } }, function readFileSyncSuccess() {
const data = Deno.readFileSync("cli/tests/testdata/fixture.json");
assert(data.byteLength > 0);
const decoder = new TextDecoder("utf-8");
const json = decoder.decode(data);
const pkg = JSON.parse(json);
assertEquals(pkg.name, "deno");
});
unitTest({ perms: { read: true } }, function readFileSyncUrl() {
const data = Deno.readFileSync(
pathToAbsoluteFileUrl("cli/tests/testdata/fixture.json"),
);
assert(data.byteLength > 0);
const decoder = new TextDecoder("utf-8");
const json = decoder.decode(data);
const pkg = JSON.parse(json);
assertEquals(pkg.name, "deno");
});
unitTest({ perms: { read: false } }, function readFileSyncPerm() {
assertThrows(() => {
Deno.readFileSync("cli/tests/testdata/fixture.json");
}, Deno.errors.PermissionDenied);
});
unitTest({ perms: { read: true } }, function readFileSyncNotFound() {
assertThrows(() => {
Deno.readFileSync("bad_filename");
}, Deno.errors.NotFound);
});
unitTest({ perms: { read: true } }, async function readFileUrl() {
const data = await Deno.readFile(
pathToAbsoluteFileUrl("cli/tests/testdata/fixture.json"),
);
assert(data.byteLength > 0);
const decoder = new TextDecoder("utf-8");
const json = decoder.decode(data);
const pkg = JSON.parse(json);
assertEquals(pkg.name, "deno");
});
unitTest({ perms: { read: true } }, async function readFileSuccess() {
const data = await Deno.readFile("cli/tests/testdata/fixture.json");
assert(data.byteLength > 0);
const decoder = new TextDecoder("utf-8");
const json = decoder.decode(data);
const pkg = JSON.parse(json);
assertEquals(pkg.name, "deno");
});
unitTest({ perms: { read: false } }, async function readFilePerm() {
await assertThrowsAsync(async () => {
await Deno.readFile("cli/tests/testdata/fixture.json");
}, Deno.errors.PermissionDenied);
});
unitTest({ perms: { read: true } }, function readFileSyncLoop() {
for (let i = 0; i < 256; i++) {
Deno.readFileSync("cli/tests/testdata/fixture.json");
}
});
unitTest(
{ perms: { read: true } },
async function readFileDoesNotLeakResources() {
const resourcesBefore = Deno.resources();
await assertThrowsAsync(async () => await Deno.readFile("cli"));
assertEquals(resourcesBefore, Deno.resources());
},
);
unitTest(
{ perms: { read: true } },
function readFileSyncDoesNotLeakResources() {
const resourcesBefore = Deno.resources();
assertThrows(() => Deno.readFileSync("cli"));
assertEquals(resourcesBefore, Deno.resources());
},
);
unitTest(
{ perms: { read: true } },
async function readFileWithAbortSignal() {
const ac = new AbortController();
queueMicrotask(() => ac.abort());
await assertThrowsAsync(async () => {
await Deno.readFile("cli/tests/testdata/fixture.json", {
signal: ac.signal,
});
});
},
);
unitTest(
{ perms: { read: true } },
async function readTextileWithAbortSignal() {
const ac = new AbortController();
queueMicrotask(() => ac.abort());
await assertThrowsAsync(async () => {
await Deno.readTextFile("cli/tests/testdata/fixture.json", {
signal: ac.signal,
});
});
},
);
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