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import {
assert,
assertEquals,
assertRejects,
assertThrows,
pathToAbsoluteFileUrl,
} from "./test_util.ts";
Deno.test({ permissions: { read: true } }, function readTextFileSyncSuccess() {
const data = Deno.readTextFileSync("cli/tests/testdata/fixture.json");
assert(data.length > 0);
const pkg = JSON.parse(data);
assertEquals(pkg.name, "deno");
});
Deno.test({ permissions: { read: true } }, function readTextFileSyncByUrl() {
const data = Deno.readTextFileSync(
pathToAbsoluteFileUrl("cli/tests/testdata/fixture.json"),
);
assert(data.length > 0);
const pkg = JSON.parse(data);
assertEquals(pkg.name, "deno");
});
Deno.test({ permissions: { read: false } }, function readTextFileSyncPerm() {
assertThrows(() => {
Deno.readTextFileSync("cli/tests/testdata/fixture.json");
}, Deno.errors.PermissionDenied);
});
Deno.test({ permissions: { read: true } }, function readTextFileSyncNotFound() {
assertThrows(() => {
Deno.readTextFileSync("bad_filename");
}, Deno.errors.NotFound);
});
Deno.test(
{ permissions: { read: true } },
async function readTextFileSuccess() {
const data = await Deno.readTextFile("cli/tests/testdata/fixture.json");
assert(data.length > 0);
const pkg = JSON.parse(data);
assertEquals(pkg.name, "deno");
},
);
Deno.test({ permissions: { read: true } }, async function readTextFileByUrl() {
const data = await Deno.readTextFile(
pathToAbsoluteFileUrl("cli/tests/testdata/fixture.json"),
);
assert(data.length > 0);
const pkg = JSON.parse(data);
assertEquals(pkg.name, "deno");
});
Deno.test({ permissions: { read: false } }, async function readTextFilePerm() {
await assertRejects(async () => {
await Deno.readTextFile("cli/tests/testdata/fixture.json");
}, Deno.errors.PermissionDenied);
});
Deno.test({ permissions: { read: true } }, function readTextFileSyncLoop() {
for (let i = 0; i < 256; i++) {
Deno.readTextFileSync("cli/tests/testdata/fixture.json");
}
});
Deno.test(
{ permissions: { read: true } },
async function readTextFileDoesNotLeakResources() {
const resourcesBefore = Deno.resources();
await assertRejects(async () => await Deno.readTextFile("cli"));
assertEquals(resourcesBefore, Deno.resources());
},
);
Deno.test(
{ permissions: { read: true } },
function readTextFileSyncDoesNotLeakResources() {
const resourcesBefore = Deno.resources();
assertThrows(() => Deno.readTextFileSync("cli"));
assertEquals(resourcesBefore, Deno.resources());
},
);
Deno.test(
{ permissions: { read: true } },
async function readTextFileWithAbortSignal() {
const ac = new AbortController();
queueMicrotask(() => ac.abort());
await assertRejects(async () => {
await Deno.readFile("cli/tests/testdata/fixture.json", {
signal: ac.signal,
});
});
},
);
Deno.test(
{ permissions: { read: true }, ignore: Deno.build.os !== "linux" },
async function readTextFileProcFs() {
const data = await Deno.readTextFile("/proc/self/stat");
assert(data.length > 0);
},
);
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