import { readFile } from "./_fs_readFile.ts"; import * as path from "../../../path/mod.ts"; import { assertEquals, assert } from "../../../testing/asserts.ts"; const testData = path.resolve( path.join("node", "_fs", "testdata", "hello.txt") ); Deno.test("readFileSuccess", async function () { const data = await readFile(testData); assert(data instanceof Uint8Array); assertEquals(new TextDecoder().decode(data as Uint8Array), "hello world"); }); Deno.test("readFileEncodeUtf8Success", async function () { const data = await readFile(testData, { encoding: "utf8" }); assertEquals(typeof data, "string"); assertEquals(data as string, "hello world"); }); Deno.test("readFileEncodingAsString", async function () { const data = await readFile(testData, "utf8"); assertEquals(typeof data, "string"); assertEquals(data as string, "hello world"); }); Deno.test("readFileError", async function () { try { await readFile("invalid-file", "utf8"); } catch (e) { assert(e instanceof Deno.errors.NotFound); } });