diff --git a/test/classes/prefix-parser.ts b/test/classes/prefix-parser.ts
new file mode 100644
index 0000000..dfb7708
--- /dev/null
+++ b/test/classes/prefix-parser.ts
@@ -0,0 +1,48 @@
+"use strict";
+
+// Public module from npm
+import { expect } from "chai";
+import dotenv from "dotenv";
+import { isEqual } from "lodash";
+
+// Modules from file
+import { login, PrefixParser } from "../../src/index";
+
+// Configure the .env reader
+dotenv.config();
+
+// Global variables
+const USERNAME = process.env.F95_USERNAME;
+const PASSWORD = process.env.F95_PASSWORD;
+
+export function suite(): void {
+  //#region Setup
+
+  before(async function beforeAll() {
+    await login(USERNAME, PASSWORD);
+  });
+
+  //#endregion Setup
+
+  it("Parse prefixes", async function testPrefixParser() {
+    // Create a new parser
+    const parser = new PrefixParser();
+
+    const testPrefixes = [
+      "corruption",
+      "pregnancy",
+      "slave",
+      "VN",
+      "RPGM",
+      "Ren'Py",
+      "Abandoned"
+    ];
+    const ids = parser.prefixesToIDs(testPrefixes);
+    const tags = parser.idsToPrefixes(ids);
+
+    const tagsEquality = isEqual(testPrefixes, tags);
+    expect(tagsEquality, "The tags must be the same").to.be.true;
+    const idsEquality = isEqual([103, 225, 44, 13, 2, 7, 22], ids);
+    expect(idsEquality, "The IDs must be the same").to.be.true;
+  });
+}