/
file_server_test.ts
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/
file_server_test.ts
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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { assert, assertEquals } from "../testing/asserts.ts";
import { BufReader } from "../io/bufio.ts";
import { TextProtoReader } from "../textproto/mod.ts";
import { ServerRequest } from "./server.ts";
import { serveFile } from "./file_server.ts";
let fileServer: Deno.Process<Deno.RunOptions & { stdout: "piped" }>;
type FileServerCfg = {
target?: string;
port?: number;
};
async function startFileServer({
target = ".",
port = 4507,
}: FileServerCfg = {}): Promise<void> {
fileServer = Deno.run({
cmd: [
Deno.execPath(),
"run",
"--allow-read",
"--allow-net",
"http/file_server.ts",
target,
"--cors",
"-p",
`${port}`,
],
stdout: "piped",
stderr: "null",
});
// Once fileServer is ready it will write to its stdout.
assert(fileServer.stdout != null);
const r = new TextProtoReader(new BufReader(fileServer.stdout));
const s = await r.readLine();
assert(s !== null && s.includes("server listening"));
}
async function startFileServerAsLibrary({}: FileServerCfg = {}): Promise<void> {
fileServer = await Deno.run({
cmd: [
Deno.execPath(),
"run",
"--allow-read",
"--allow-net",
"http/testdata/file_server_as_library.ts",
],
stdout: "piped",
stderr: "null",
});
assert(fileServer.stdout != null);
const r = new TextProtoReader(new BufReader(fileServer.stdout));
const s = await r.readLine();
assert(s !== null && s.includes("Server running..."));
}
async function killFileServer(): Promise<void> {
fileServer.close();
// Process.close() kills the file server process. However this termination
// happens asynchronously, and since we've just closed the process resource,
// we can't use `await fileServer.status()` to wait for the process to have
// exited. As a workaround, wait for its stdout to close instead.
// TODO(piscisaureus): when `Process.kill()` is stable and works on Windows,
// switch to calling `kill()` followed by `await fileServer.status()`.
await Deno.readAll(fileServer.stdout!);
fileServer.stdout!.close();
}
Deno.test(
"file_server serveFile in ./",
async (): Promise<void> => {
await startFileServer();
try {
const res = await fetch("http://localhost:4507/README.md");
assert(res.headers.has("access-control-allow-origin"));
assert(res.headers.has("access-control-allow-headers"));
assertEquals(res.headers.get("content-type"), "text/markdown");
const downloadedFile = await res.text();
const localFile = new TextDecoder().decode(
await Deno.readFile("README.md"),
);
assertEquals(downloadedFile, localFile);
} finally {
await killFileServer();
}
},
);
Deno.test(
"file_server serveFile in ./http",
async (): Promise<void> => {
await startFileServer({ target: "./http" });
try {
const res = await fetch("http://localhost:4507/README.md");
assert(res.headers.has("access-control-allow-origin"));
assert(res.headers.has("access-control-allow-headers"));
assertEquals(res.headers.get("content-type"), "text/markdown");
const downloadedFile = await res.text();
const localFile = new TextDecoder().decode(
await Deno.readFile("./http/README.md"),
);
console.log(downloadedFile, localFile);
assertEquals(downloadedFile, localFile);
} finally {
await killFileServer();
}
},
);
Deno.test("serveDirectory", async function (): Promise<void> {
await startFileServer();
try {
const res = await fetch("http://localhost:4507/");
assert(res.headers.has("access-control-allow-origin"));
assert(res.headers.has("access-control-allow-headers"));
const page = await res.text();
assert(page.includes("README.md"));
// `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 !== "windows" &&
assert(/<td class="mode">(\s)*\([a-zA-Z-]{10}\)(\s)*<\/td>/.test(page));
Deno.build.os === "windows" &&
assert(/<td class="mode">(\s)*\(unknown mode\)(\s)*<\/td>/.test(page));
assert(page.includes(`<a href="/README.md">README.md</a>`));
} finally {
await killFileServer();
}
});
Deno.test("serveFallback", async function (): Promise<void> {
await startFileServer();
try {
const res = await fetch("http://localhost:4507/badfile.txt");
assert(res.headers.has("access-control-allow-origin"));
assert(res.headers.has("access-control-allow-headers"));
assertEquals(res.status, 404);
const _ = await res.text();
} finally {
await killFileServer();
}
});
Deno.test("serveWithUnorthodoxFilename", async function (): Promise<void> {
await startFileServer();
try {
let res = await fetch("http://localhost:4507/http/testdata/%");
assert(res.headers.has("access-control-allow-origin"));
assert(res.headers.has("access-control-allow-headers"));
assertEquals(res.status, 200);
let _ = await res.text();
res = await fetch("http://localhost:4507/http/testdata/test%20file.txt");
assert(res.headers.has("access-control-allow-origin"));
assert(res.headers.has("access-control-allow-headers"));
assertEquals(res.status, 200);
_ = await res.text();
} finally {
await killFileServer();
}
});
Deno.test("printHelp", async function (): Promise<void> {
const helpProcess = Deno.run({
cmd: [
Deno.execPath(),
"run",
// TODO(ry) It ought to be possible to get the help output without
// --allow-read.
"--allow-read",
"http/file_server.ts",
"--help",
],
stdout: "piped",
});
assert(helpProcess.stdout != null);
const r = new TextProtoReader(new BufReader(helpProcess.stdout));
const s = await r.readLine();
assert(s !== null && s.includes("Deno File Server"));
helpProcess.close();
helpProcess.stdout.close();
});
Deno.test("contentType", async () => {
const request = new ServerRequest();
const response = await serveFile(request, "http/testdata/hello.html");
const contentType = response.headers!.get("content-type");
assertEquals(contentType, "text/html");
(response.body as Deno.File).close();
});
Deno.test("file_server running as library", async function (): Promise<void> {
await startFileServerAsLibrary();
try {
const res = await fetch("http://localhost:8000");
assertEquals(res.status, 200);
} finally {
await killFileServer();
}
});