refactor: IO resource types, fix concurrent read/write and graceful close (#9118)

Fixes: 9032.

2 files changed, 5 insertions, 3 deletions

diff --git a/std/http/_mock_conn.ts b/std/http/_mock_conn.ts
index b2abb301a..8f3396dbd 100644
--- a/std/http/_mock_conn.ts
+++ b/std/http/_mock_conn.ts
@@ -14,7 +14,9 @@ export function mockConn(base: Partial<Deno.Conn> = {}): Deno.Conn {
       port: 0,
     },
     rid: -1,
-    closeWrite: (): void => {},
+    closeWrite: (): Promise<void> => {
+      return Promise.resolve();
+    },
     read: (): Promise<number | null> => {
       return Promise.resolve(0);
     },
diff --git a/std/ws/test.ts b/std/ws/test.ts
index 45e34d579..c437d8c28 100644
--- a/std/ws/test.ts
+++ b/std/ws/test.ts
@@ -102,7 +102,7 @@ Deno.test("[ws] read unmasked ping / pong frame", async () => {
   );
   assertEquals(actual1, "Hello");
   // deno-fmt-ignore
-  const pongFrame= [0x8a, 0x85, 0x37, 0xfa, 0x21, 0x3d, 0x7f, 0x9f, 0x4d, 0x51, 0x58]
+  const pongFrame = [0x8a, 0x85, 0x37, 0xfa, 0x21, 0x3d, 0x7f, 0x9f, 0x4d, 0x51, 0x58]
   const buf2 = new BufReader(new Deno.Buffer(new Uint8Array(pongFrame)));
   const pong = await readFrame(buf2);
   assertEquals(pong.opcode, OpCode.Pong);
@@ -283,7 +283,7 @@ Deno.test("[ws] ws.close() should use 1000 as close code", async () => {
 function dummyConn(r: Deno.Reader, w: Deno.Writer): Deno.Conn {
   return {
     rid: -1,
-    closeWrite: (): void => {},
+    closeWrite: (): Promise<void> => Promise.resolve(),
     read: (x: Uint8Array): Promise<number | null> => r.read(x),
     write: (x: Uint8Array): Promise<number> => w.write(x),
     close: (): void => {},