tests: add channels types (#840)

tests/channels/start_typing.ts

@@ -0,0 +1,32 @@
+import { cache } from "../../src/cache.ts";
+import { createChannel } from "../../src/helpers/channels/create_channel.ts";
+import { defaultTestOptions, tempData } from "../ws/start_bot.ts";
+import { delayUntil } from "../util/delay_until.ts";
+import {assertEquals, assertExists} from "../deps.ts";
+import {isChannelSynced} from "../../src/helpers/channels/is_channel_synced.ts";
+import {DiscordChannelTypes} from "../../src/types/channels/channel_types.ts";
+import {botId} from "../../src/bot.ts";
+import {DiscordOverwriteTypes} from "../../src/types/channels/overwrite_types.ts";
+import {startTyping} from "../../src/helpers/channels/start_typing.ts";
+
+Deno.test({
+  name: "[channel] is typing.",
+  async fn() {
+    const channel = await createChannel(tempData.guildId, {
+      name: 'typing-channel',
+    });
+
+    // Assertions
+    assertExists(channel);
+
+    // Delay the execution by 5 seconds to allow CHANNEL_CREATE event to be processed
+    await delayUntil(10000, () => cache.channels.has(channel.id));
+
+    if (!cache.channels.has(channel.id)) {
+      throw new Error("The channel seemed to be created but it was not cached.");
+    }
+
+    await startTyping(channel.id);
+  },
+  ...defaultTestOptions,
+});