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denoland-deno/std/examples/tests/cat_test.ts

29 lines
804 B
TypeScript

// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { assertStrictEquals } from "../../testing/asserts.ts";
import { resolve, dirname, fromFileUrl } from "../../path/mod.ts";
const moduleDir = resolve(dirname(fromFileUrl(import.meta.url)), "..");
Deno.test("[examples/cat] print multiple files", async () => {
const decoder = new TextDecoder();
const process = Deno.run({
cmd: [
Deno.execPath(),
"run",
"--allow-read",
"cat.ts",
"testdata/cat/hello.txt",
"testdata/cat/world.txt",
],
cwd: moduleDir,
stdout: "piped",
});
try {
const output = await process.output();
const actual = decoder.decode(output).trim();
assertStrictEquals(actual, "Hello\nWorld");
} finally {
process.close();
}
});