fix: fix fetch tests (denoland#1535)

js/fetch_test.ts

@@ -135,26 +135,6 @@ testPerm({ net: true }, async function fetchInitBlobBody() {
  assert(response.headers.get("content-type").startsWith("text/javascript"));
 });
 
-// TODO(ry) The following tests work but are flaky. There's a race condition
-// somewhere. Here is what one of these flaky failures looks like:
-//
-// test fetchPostBodyString_permW0N1E0R0
-// assertEqual failed. actual = expected = POST /blah HTTP/1.1
-// hello: World
-// foo: Bar
-// host: 127.0.0.1:4502
-// content-length: 11
-// hello world
-// Error: actual: expected: POST /blah HTTP/1.1
-// hello: World
-// foo: Bar
-// host: 127.0.0.1:4502
-// content-length: 11
-// hello world
-// at Object.assertEqual (file:https:///C:/deno/js/testing/util.ts:29:11)
-// at fetchPostBodyString (file
-
-/* 
 function bufferServer(addr: string): deno.Buffer {
  const listener = deno.listen("tcp", addr);
  const buf = new deno.Buffer();
@@ -187,6 +167,7 @@ testPerm({ net: true }, async function fetchRequest() {
  });
  assertEqual(response.status, 404);
  assertEqual(response.headers.get("Content-Length"), "2");
+ await response.blob();
 
  const actual = new TextDecoder().decode(buf.bytes());
  const expected = [
@@ -209,12 +190,14 @@ testPerm({ net: true }, async function fetchPostBodyString() {
  });
  assertEqual(response.status, 404);
  assertEqual(response.headers.get("Content-Length"), "2");
+ await response.blob();
 
  const actual = new TextDecoder().decode(buf.bytes());
  const expected = [
  "POST /blah HTTP/1.1\r\n",
  "hello: World\r\n",
  "foo: Bar\r\n",
+ "content-type: text/plain;charset=UTF-8\r\n",
  `host: ${addr}\r\n`,
  `content-length: ${body.length}\r\n\r\n`,
  body
@@ -234,6 +217,7 @@ testPerm({ net: true }, async function fetchPostBodyTypedArray() {
  });
  assertEqual(response.status, 404);
  assertEqual(response.headers.get("Content-Length"), "2");
+ await response.blob();
 
  const actual = new TextDecoder().decode(buf.bytes());
  const expected = [
@@ -246,4 +230,3 @@ testPerm({ net: true }, async function fetchPostBodyTypedArray() {
  ].join("");
  assertEqual(actual, expected);
 });
-*/