fix(file_server): use media_types for Content-Type header (#4555)

1 files changed, 11 insertions, 1 deletions

diff --git a/std/http/file_server_test.ts b/std/http/file_server_test.ts
index 3a3817ce0..3cb59e67f 100644
--- a/std/http/file_server_test.ts
+++ b/std/http/file_server_test.ts
@@ -2,6 +2,8 @@
 import { assert, assertEquals, assertStrContains } 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";
 const { test } = Deno;
 let fileServer: Deno.Process;
 
@@ -31,7 +33,7 @@ function killFileServer(): void {
   fileServer.stdout?.close();
 }
 
-test(async function serveFile(): Promise<void> {
+test("file_server serveFile", async (): Promise<void> => {
   await startFileServer();
   try {
     const res = await fetch("http://localhost:4500/README.md");
@@ -141,3 +143,11 @@ test(async function printHelp(): Promise<void> {
   helpProcess.close();
   helpProcess.stdout.close();
 });
+
+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; charset=utf-8");
+  (response.body as Deno.File).close();
+});