[Unit tests] create slash, get slash, delete slash

tests/interactions/slash/createApplicationCommand.ts

@@ -0,0 +1,35 @@
+import { assertExists, assertEquals } from "../../deps.ts";
+import { bot } from "../../mod.ts";
+import { CACHED_COMMUNITY_GUILD_ID } from "../../constants.ts";
+
+Deno.test({
+  name: "[slash] Create a guild slash command",
+  fn: async (t) => {
+    let commands = new Map();
+    await t.step({
+      name: "[slash] Gets a bot's slash commands in a guild",
+      fn: async (t) => {
+        commands = await bot.helpers.getApplicationCommands(CACHED_COMMUNITY_GUILD_ID);
+      },
+    });
+
+    if (commands.has("test")) {
+      await t.step({
+        name: "[slash] Delete a guild slash command",
+        fn: async (t) => {
+          await bot.helpers.deleteApplicationCommand(commands.get("test").id, CACHED_COMMUNITY_GUILD_ID);
+          commands.delete("test");
+          assertEquals(commands.has("test"), false);
+        },
+      });
+    }
+
+    await bot.helpers.createApplicationCommand(
+      {
+        name: "test",
+        description: "Test slash command from the ddeno unit tests",
+      },
+      CACHED_COMMUNITY_GUILD_ID
+    );
+  },
+});