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import { file, serve } from "bun";
import { expect, it } from "bun:test";
import { readFileSync } from "fs";
import { resolve } from "path";
var port = 40000;
it("should work for a hello world", async () => {
const server = serve({
port: port++,
fetch(req) {
return new Response(`Hello, world!`);
},
});
const response = await fetch(`http://localhost:${server.port}`);
expect(await response.text()).toBe("Hello, world!");
server.stop();
});
it("should work for a file", async () => {
const fixture = resolve(import.meta.dir, "./fetch.js.txt");
const textToExpect = readFileSync(fixture, "utf-8");
const server = serve({
port: port++,
fetch(req) {
return new Response(file(fixture));
},
});
const response = await fetch(`http://localhost:${server.port}`);
expect(await response.text()).toBe(textToExpect);
server.stop();
});
it("fetch should work with headers", async () => {
const fixture = resolve(import.meta.dir, "./fetch.js.txt");
const server = serve({
port: port++,
fetch(req) {
if (req.headers.get("X-Foo") !== "bar") {
return new Response("X-Foo header not set", { status: 500 });
}
return new Response(file(fixture), {
headers: { "X-Both-Ways": "1" },
});
},
});
const response = await fetch(`http://localhost:${server.port}`, {
headers: {
"X-Foo": "bar",
},
});
expect(response.status).toBe(200);
expect(response.headers.get("X-Both-Ways")).toBe("1");
server.stop();
});
var count = 200;
it(`should work for a file ${count} times`, async () => {
const fixture = resolve(import.meta.dir, "./fetch.js.txt");
const textToExpect = readFileSync(fixture, "utf-8");
var ran = 0;
const server = serve({
port: port++,
async fetch(req) {
return new Response(file(fixture));
},
});
// this gets stuck if run about 200 times awaiting all the promises
// when the promises are run altogether, instead of one at a time
// it's hard to say if this only happens here due to some weird stuff with the test runner
// or if it's "real" issue
for (let i = 0; i < count; i++) {
const response = await fetch(`http://localhost:${server.port}`);
expect(await response.text()).toBe(textToExpect);
}
server.stop();
});
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