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const { test } = Deno;
import { readFile, readFileSync, readlink, readlinkSync } from "./fs.ts";
import * as path from "../path/mod.ts";
import { assertEquals, assert } from "../testing/asserts.ts";
const testData = path.resolve(path.join("node", "testdata", "hello.txt"));
const testDir = Deno.makeTempDirSync();
const oldname = testDir + "/oldname";
const newname = testDir + "/newname";
// Need to convert to promises, otherwise test() won't report error correctly.
test(async function readFileSuccess() {
const data = await new Promise((res, rej) => {
readFile(testData, (err, data) => {
if (err) {
rej(err);
}
res(data);
});
});
assert(data instanceof Uint8Array);
assertEquals(new TextDecoder().decode(data as Uint8Array), "hello world");
});
test(async function readFileEncodeUtf8Success() {
const data = await new Promise((res, rej) => {
readFile(testData, { encoding: "utf8" }, (err, data) => {
if (err) {
rej(err);
}
res(data);
});
});
assertEquals(typeof data, "string");
assertEquals(data as string, "hello world");
});
test(function readFileSyncSuccess() {
const data = readFileSync(testData);
assert(data instanceof Uint8Array);
assertEquals(new TextDecoder().decode(data as Uint8Array), "hello world");
});
test(function readFileEncodeUtf8Success() {
const data = readFileSync(testData, { encoding: "utf8" });
assertEquals(typeof data, "string");
assertEquals(data as string, "hello world");
});
// Just for now, until we implement symlink for Windows.
if (Deno.build.os !== "win") {
Deno.symlinkSync(oldname, newname);
test(async function readlinkSuccess() {
const data = await new Promise((res, rej) => {
readlink(newname, (err, data) => {
if (err) {
rej(err);
}
res(data);
});
});
assertEquals(typeof data, "string");
assertEquals(data as string, oldname);
});
test(async function readlinkEncodeBufferSuccess() {
const data = await new Promise((res, rej) => {
readlink(newname, { encoding: "buffer" }, (err, data) => {
if (err) {
rej(err);
}
res(data);
});
});
assert(data instanceof Uint8Array);
assertEquals(new TextDecoder().decode(data as Uint8Array), oldname);
});
test(function readlinkSyncSuccess() {
const data = readlinkSync(newname);
assertEquals(typeof data, "string");
assertEquals(data as string, oldname);
});
test(function readlinkEncodeBufferSuccess() {
const data = readlinkSync(newname, { encoding: "buffer" });
assert(data instanceof Uint8Array);
assertEquals(new TextDecoder().decode(data as Uint8Array), oldname);
});
}
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