diff --git a/tests/unit/platforms/modrinth/modrinth-version.spec.ts b/tests/unit/platforms/modrinth/modrinth-version.spec.ts
new file mode 100644
index 0000000..f2af017
--- /dev/null
+++ b/tests/unit/platforms/modrinth/modrinth-version.spec.ts
@@ -0,0 +1,64 @@
+import { FileInfo } from "@/utils/io/file-info";
+import { VersionType } from "@/utils/versioning/version-type";
+import { ModrinthVersionInit, packModrinthVersionInit } from "@/platforms/modrinth/modrinth-version";
+import { ModrinthDependencyType } from "@/platforms/modrinth";
+
+describe("packModrinthVersionInit", () => {
+    test("packs a ModrinthVersionInit object and resolves default values", () => {
+        const version = {
+            project_id: "QQQQQQQQ",
+            version_number: "1.0.0",
+        } as ModrinthVersionInit;
+
+        const expected = {
+            data: {
+                project_id: "QQQQQQQQ",
+                version_number: "1.0.0",
+                name: "1.0.0",
+                version_type: VersionType.RELEASE,
+                featured: true,
+                dependencies: [],
+                game_versions: [],
+                loaders: [],
+                primary_file: undefined,
+                file_parts: [],
+            },
+        };
+
+        expect(packModrinthVersionInit(version)).toEqual(expected);
+    });
+
+    test("packs a ModrinthVersionInit object", () => {
+        const version = {
+            project_id: "QQQQQQQQ",
+            version_number: "1.0.0",
+            name: "Version 1.0.0",
+            version_type: VersionType.ALPHA,
+            featured: false,
+            dependencies: [{ project_id: "fabric-api", dependency_type: ModrinthDependencyType.REQUIRED }],
+            game_versions: ["1.16", "1.17"],
+            loaders: ["loader1", "loader2"],
+            files: ["file1", "file2"],
+        } as ModrinthVersionInit;
+
+        const expected = {
+            data: {
+                project_id: "QQQQQQQQ",
+                version_number: "1.0.0",
+                name: "Version 1.0.0",
+                version_type: VersionType.ALPHA,
+                featured: false,
+                dependencies: [{ project_id: "fabric-api", dependency_type: ModrinthDependencyType.REQUIRED }],
+                game_versions: ["1.16", "1.17"],
+                loaders: ["loader1", "loader2"],
+                primary_file: "_0",
+                file_parts: ["_0", "_1"],
+            },
+
+            _0: FileInfo.of("file1"),
+            _1: FileInfo.of("file2"),
+        };
+
+        expect(packModrinthVersionInit(version)).toEqual(expected);
+    });
+});