/
xeval_test.ts
76 lines (69 loc) · 2.09 KB
/
xeval_test.ts
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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
import { xeval } from "./xeval.ts";
import { assertEquals, assertStringIncludes } from "../testing/asserts.ts";
import { dirname, fromFileUrl } from "../path/mod.ts";
const moduleDir = dirname(fromFileUrl(import.meta.url));
function createReadableStream(str: string) {
return new ReadableStream<Uint8Array>({
start(controller) {
controller.enqueue(new TextEncoder().encode(str));
controller.close();
},
});
}
Deno.test("xevalSuccess", async function () {
const chunks: string[] = [];
await xeval(
createReadableStream("a\nb\nc"),
($) => Promise.resolve(chunks.push($)),
);
assertEquals(chunks, ["a", "b", "c"]);
});
Deno.test("xevalDelimiter", async function () {
const chunks: string[] = [];
await xeval(
createReadableStream("!MADMADAMADAM!"),
($) => Promise.resolve(chunks.push($)),
{
delimiter: "MADAM",
},
);
assertEquals(chunks, ["!MAD", "ADAM!"]);
});
const xevalPath = "xeval.ts";
Deno.test({
name: "xevalCliReplvar",
fn: async function () {
const p = new Deno.Command(Deno.execPath(), {
args: [
"run",
"--quiet",
xevalPath,
"--replvar=abc",
"console.log(abc)",
],
cwd: moduleDir,
stdin: "piped",
stdout: "piped",
});
const child = p.spawn();
const writer = child.stdin.getWriter();
await writer.write(new TextEncoder().encode("hello"));
await writer.close();
const { success, stdout } = await child.output();
assertEquals(success, true);
assertEquals(new TextDecoder().decode(stdout).trimEnd(), "hello");
},
});
Deno.test("xevalCliSyntaxError", async function () {
const command = new Deno.Command(Deno.execPath(), {
args: ["run", "--quiet", xevalPath, "("],
cwd: moduleDir,
});
const { code, success, stdout, stderr } = await command.output();
const decoder = new TextDecoder();
assertEquals(code, 1);
assertEquals(success, false);
assertEquals(decoder.decode(stdout), "");
assertStringIncludes(decoder.decode(stderr), "SyntaxError");
});