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47 lines
1.4 KiB
TypeScript
47 lines
1.4 KiB
TypeScript
import { readFile, readFileSync } from "./fs.ts";
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import { test } from "../testing/mod.ts";
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import * as path from "../path/mod.ts";
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import { assertEquals, assert } from "../testing/asserts.ts";
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const testData = path.resolve(path.join("node", "testdata", "hello.txt"));
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// Need to convert to promises, otherwise test() won't report error correctly.
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test(async function readFileSuccess() {
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const data = await new Promise((res, rej) => {
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readFile(testData, (err, data) => {
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if (err) {
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rej(err);
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}
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res(data);
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});
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});
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assert(data instanceof Uint8Array);
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assertEquals(new TextDecoder().decode(data as Uint8Array), "hello world");
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});
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test(async function readFileEncodeUtf8Success() {
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const data = await new Promise((res, rej) => {
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readFile(testData, { encoding: "utf8" }, (err, data) => {
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if (err) {
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rej(err);
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}
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res(data);
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});
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});
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assertEquals(typeof data, "string");
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assertEquals(data as string, "hello world");
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});
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test(function readFileSyncSuccess() {
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const data = readFileSync(testData);
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assert(data instanceof Uint8Array);
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assertEquals(new TextDecoder().decode(data as Uint8Array), "hello world");
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});
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test(function readFileEncodeUtf8Success() {
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const data = readFileSync(testData, { encoding: "utf8" });
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assertEquals(typeof data, "string");
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assertEquals(data as string, "hello world");
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});
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