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denoland-deno/std/examples/welcome_test.ts

22 lines
712 B
TypeScript

// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { assertStrictEquals } from "../testing/asserts.ts";
import { dirname, fromFileUrl } from "../path/mod.ts";
const moduleDir = dirname(fromFileUrl(import.meta.url));
Deno.test("[examples/welcome] print a welcome message", async () => {
const decoder = new TextDecoder();
const process = Deno.run({
cmd: [Deno.execPath(), "run", "welcome.ts"],
cwd: moduleDir,
stdout: "piped",
});
try {
const output = await process.output();
const actual = decoder.decode(output).trim();
const expected = "Welcome to Deno 🦕";
assertStrictEquals(actual, expected);
} finally {
process.close();
}
});