add tests

src/tests/utils/events/citation.test.ts

@@ -0,0 +1,66 @@
+import { Attachment, Collection, EmbedBuilder } from "discord.js";
+import { handleAttachments } from "../../../utils/events/citation";
+
+/**
+ * Generate a new random string
+ * @returns random string
+ */
+const newKey = () => Math.random().toString(36).substring(2);
+
+describe("Attachements Handler", () => {
+  const map = new Map([
+    ["e_attachements", "yes_s"],
+    ["e_attachement", "no_s"],
+  ]);
+  {
+    const name = "One image";
+    test(name, () => {
+      const embedExpected = new EmbedBuilder();
+      embedExpected.setImage("http://url");
+
+      const embedTest = new EmbedBuilder();
+      handleAttachments(
+        map,
+        embedTest,
+        new Collection([[newKey(), { name: "image.png", url: "http://url" } as Attachment]]),
+      );
+
+      expect(embedTest).toStrictEqual(embedExpected);
+    });
+  }
+  {
+    const name = "One link";
+    test(name, () => {
+      const embedExpected = new EmbedBuilder();
+      embedExpected.addFields({ name: "no_s", value: "[f](url)" });
+
+      const embedTest = new EmbedBuilder();
+      handleAttachments(
+        map,
+        embedTest,
+        new Collection([[newKey(), { name: "f", url: "url" } as Attachment]]),
+      );
+
+      expect(embedTest).toStrictEqual(embedExpected);
+    });
+  }
+  {
+    const name = "Two files";
+    test(name, () => {
+      const embedExpected = new EmbedBuilder();
+      embedExpected.addFields({ name: "yes_s", value: "[f](url), [f](url)" });
+
+      const embedTest = new EmbedBuilder();
+      handleAttachments(
+        map,
+        embedTest,
+        new Collection([
+          [newKey(), { name: "f", url: "url" } as Attachment],
+          [newKey(), { name: "f", url: "url" } as Attachment],
+        ]),
+      );
+
+      expect(embedTest).toStrictEqual(embedExpected);
+    });
+  }
+});