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denoland-deno/std/http/file_server_test.ts

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// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
import { test } from "../testing/mod.ts";
import { assert, assertEquals } from "../testing/asserts.ts";
import { BufReader } from "../io/bufio.ts";
import { TextProtoReader } from "../textproto/mod.ts";
let fileServer: Deno.Process;
async function startFileServer(): Promise<void> {
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fileServer = Deno.run({
args: [
Deno.execPath(),
"run",
"--allow-read",
"--allow-net",
"http/file_server.ts",
".",
"--cors"
],
stdout: "piped"
});
// Once fileServer is ready it will write to its stdout.
const r = new TextProtoReader(new BufReader(fileServer.stdout!));
const s = await r.readLine();
assert(s !== Deno.EOF && s.includes("server listening"));
}
function killFileServer(): void {
fileServer.close();
fileServer.stdout!.close();
}
test(async function serveFile(): Promise<void> {
await startFileServer();
try {
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const res = await fetch("http://localhost:4500/tsconfig.json");
assert(res.headers.has("access-control-allow-origin"));
assert(res.headers.has("access-control-allow-headers"));
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assertEquals(
res.headers.get("content-type"),
"application/json; charset=utf-8"
);
const downloadedFile = await res.text();
const localFile = new TextDecoder().decode(
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await Deno.readFile("./tsconfig.json")
);
assertEquals(downloadedFile, localFile);
} finally {
killFileServer();
}
});
test(async function serveDirectory(): Promise<void> {
await startFileServer();
try {
const res = await fetch("http://localhost:4500/");
assert(res.headers.has("access-control-allow-origin"));
assert(res.headers.has("access-control-allow-headers"));
const page = await res.text();
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assert(page.includes("tsconfig.json"));
// `Deno.FileInfo` is not completely compatible with Windows yet
// TODO: `mode` should work correctly in the future.
// Correct this test case accordingly.
Deno.build.os !== "win" &&
assert(/<td class="mode">\([a-zA-Z-]{10}\)<\/td>/.test(page));
Deno.build.os === "win" &&
assert(/<td class="mode">\(unknown mode\)<\/td>/.test(page));
assert(
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page.includes(`<td><a href="/tsconfig.json">tsconfig.json</a></td>`)
);
} finally {
killFileServer();
}
});
test(async function serveFallback(): Promise<void> {
await startFileServer();
try {
const res = await fetch("http://localhost:4500/badfile.txt");
assert(res.headers.has("access-control-allow-origin"));
assert(res.headers.has("access-control-allow-headers"));
assertEquals(res.status, 404);
} finally {
killFileServer();
}
});