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import { unitTest, assert, assertEquals } from "./test_util.ts";
unitTest({ perms: { read: true } }, function readTextFileSyncSuccess(): void {
const data = Deno.readTextFileSync("cli/tests/fixture.json");
assert(data.length > 0);
const pkg = JSON.parse(data);
assertEquals(pkg.name, "deno");
});
unitTest({ perms: { read: false } }, function readTextFileSyncPerm(): void {
let caughtError = false;
try {
Deno.readTextFileSync("cli/tests/fixture.json");
} catch (e) {
caughtError = true;
assert(e instanceof Deno.errors.PermissionDenied);
}
assert(caughtError);
});
unitTest({ perms: { read: true } }, function readTextFileSyncNotFound(): void {
let caughtError = false;
let data;
try {
data = Deno.readTextFileSync("bad_filename");
} catch (e) {
caughtError = true;
assert(e instanceof Deno.errors.NotFound);
}
assert(caughtError);
assert(data === undefined);
});
unitTest(
{ perms: { read: true } },
async function readTextFileSuccess(): Promise<void> {
const data = await Deno.readTextFile("cli/tests/fixture.json");
assert(data.length > 0);
const pkg = JSON.parse(data);
assertEquals(pkg.name, "deno");
}
);
unitTest({ perms: { read: false } }, async function readTextFilePerm(): Promise<
void
> {
let caughtError = false;
try {
await Deno.readTextFile("cli/tests/fixture.json");
} catch (e) {
caughtError = true;
assert(e instanceof Deno.errors.PermissionDenied);
}
assert(caughtError);
});
unitTest({ perms: { read: true } }, function readTextFileSyncLoop(): void {
for (let i = 0; i < 256; i++) {
Deno.readTextFileSync("cli/tests/fixture.json");
}
});
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