tests: react with custom emojis tests

tests/messages/add_reaction.ts

@@ -1,6 +1,7 @@
 import {
   addReaction,
   cache,
+  createEmoji,
   delay,
   DiscordReaction,
   sendMessage,
@@ -8,7 +9,7 @@ import {
 import { defaultTestOptions, tempData } from "../ws/start_bot.ts";
 import { assertEquals, assertExists } from "../deps.ts";
 
-async function ifItFailsBlameWolf(type: "getter" | "raw") {
+async function ifItFailsBlameWolf(type: "getter" | "raw", custom = false) {
   const message = await sendMessage(tempData.channelId, "Hello World!");
 
   // Assertions
@@ -23,10 +24,27 @@ async function ifItFailsBlameWolf(type: "getter" | "raw") {
     );
   }
 
+  let emojiId = "❤";
+
+  if (custom) {
+    emojiId = `<:blamewolf:${
+      (await createEmoji(
+        tempData.guildId,
+        "blamewolf",
+        "https://cdn.discordapp.com/emojis/814955268123000832.png",
+        {
+          name: "blamewolf",
+          image: "https://cdn.discordapp.com/emojis/814955268123000832.png",
+          roles: [],
+        },
+      )).id
+    }>`;
+  }
+
   if (type === "raw") {
-        await addReaction(message.channelId, message.id, "❤");
+    await addReaction(message.channelId, message.id, emojiId);
   } else {
-        await message.addReaction("❤");
+    await message.addReaction(emojiId);
   }
 
   await delay(5000);
@@ -34,7 +52,7 @@ async function ifItFailsBlameWolf(type: "getter" | "raw") {
   assertEquals(
     await cache.messages.get(message.id)?.reactions?.filter((
       reaction: DiscordReaction,
-        ) => reaction.emoji?.name === "❤").length,
+    ) => reaction.emoji?.name === (custom ? "blamewolf" : "❤")).length,
     1,
   );
 }
@@ -54,3 +72,19 @@ Deno.test({
   },
   ...defaultTestOptions,
 });
+
+Deno.test({
+  name: "[message] add a custom reaction",
+  async fn() {
+    await ifItFailsBlameWolf("raw", true);
+  },
+  ...defaultTestOptions,
+});
+
+Deno.test({
+  name: "[message] message.addReaction() with a custom reaction",
+  async fn() {
+    await ifItFailsBlameWolf("getter", true);
+  },
+  ...defaultTestOptions,
+});