Fix emoji_id references and add tests

d2m/converters/emoji-to-key.test.js

@@ -0,0 +1,21 @@
+// @ts-check
+
+const {test} = require("supertape")
+const {emojiToKey} = require("./emoji-to-key")
+const data = require("../../test/data")
+const Ty = require("../../types")
+
+test("emoji2key: unicode emoji works", async t => {
+	const result = await emojiToKey({id: null, name: "🐈"})
+	t.equal(result, "🐈")
+})
+
+test("emoji2key: custom emoji works", async t => {
+	const result = await emojiToKey({id: "230201364309868544", name: "hippo", animated: false})
+	t.equal(result, "mxc://cadence.moe/qWmbXeRspZRLPcjseyLmeyXC")
+})
+
+test("emoji2key: custom animated emoji works", async t => {
+	const result = await emojiToKey({id: "393635038903926784", name: "hipposcope", animated: true})
+	t.equal(result, "mxc://cadence.moe/WbYqNlACRuicynBfdnPYtmvc")
+})