diff --git a/tests/unit/platforms/modrinth/modrinth-dependency-type.spec.ts b/tests/unit/platforms/modrinth/modrinth-dependency-type.spec.ts
new file mode 100644
index 0000000..f96d854
--- /dev/null
+++ b/tests/unit/platforms/modrinth/modrinth-dependency-type.spec.ts
@@ -0,0 +1,84 @@
+import { DependencyType } from "@/dependencies/dependency-type";
+import { ModrinthDependencyType } from "@/platforms/modrinth/modrinth-dependency-type";
+
+describe("ModrinthDependencyType", () => {
+    describe("parse", () => {
+        test("parses all its own formatted values", () => {
+            for (const value of ModrinthDependencyType.values()) {
+                expect(ModrinthDependencyType.parse(ModrinthDependencyType.format(value))).toBe(value);
+            }
+        });
+
+        test("parses all friendly names of its own values", () => {
+            for (const value of ModrinthDependencyType.values()) {
+                expect(ModrinthDependencyType.parse(ModrinthDependencyType.friendlyNameOf(value))).toBe(value);
+            }
+        });
+
+        test("parses all its own formatted values in lowercase", () => {
+            for (const value of ModrinthDependencyType.values()) {
+                expect(ModrinthDependencyType.parse(ModrinthDependencyType.format(value).toLowerCase())).toBe(value);
+            }
+        });
+
+        test("parses all its own formatted values in UPPERCASE", () => {
+            for (const value of ModrinthDependencyType.values()) {
+                expect(ModrinthDependencyType.parse(ModrinthDependencyType.format(value).toUpperCase())).toBe(value);
+            }
+        });
+    });
+
+    describe("fromDependencyType", () => {
+        test("returns `ModrinthDependencyType.REQUIRED` for `DependencyType.REQUIRED`", () => {
+            expect(ModrinthDependencyType.fromDependencyType(DependencyType.REQUIRED)).toBe(ModrinthDependencyType.REQUIRED);
+        });
+
+        test("returns `ModrinthDependencyType.OPTIONAL` for `DependencyType.RECOMMENDED`", () => {
+            expect(ModrinthDependencyType.fromDependencyType(DependencyType.RECOMMENDED)).toBe(ModrinthDependencyType.OPTIONAL);
+        });
+
+        test("returns `ModrinthDependencyType.EMBEDDED` for `DependencyType.EMBEDDED`", () => {
+            expect(ModrinthDependencyType.fromDependencyType(DependencyType.EMBEDDED)).toBe(ModrinthDependencyType.EMBEDDED);
+        });
+
+        test("returns `ModrinthDependencyType.OPTIONAL` for `DependencyType.OPTIONAL`", () => {
+            expect(ModrinthDependencyType.fromDependencyType(DependencyType.OPTIONAL)).toBe(ModrinthDependencyType.OPTIONAL);
+        });
+
+        test("returns `ModrinthDependencyType.INCOMPATIBLE` for `DependencyType.CONFLICTING`", () => {
+            expect(ModrinthDependencyType.fromDependencyType(DependencyType.CONFLICTING)).toBe(ModrinthDependencyType.INCOMPATIBLE);
+        });
+
+        test("returns `ModrinthDependencyType.INCOMPATIBLE` for `DependencyType.INCOMPATIBLE`", () => {
+            expect(ModrinthDependencyType.fromDependencyType(DependencyType.INCOMPATIBLE)).toBe(ModrinthDependencyType.INCOMPATIBLE);
+        });
+
+        test("returns undefined for invalid DependencyType values", () => {
+            expect(ModrinthDependencyType.fromDependencyType(undefined)).toBeUndefined();
+            expect(ModrinthDependencyType.fromDependencyType("invalid value" as DependencyType)).toBeUndefined();
+        });
+    });
+
+    describe("toDependencyType", () => {
+        test("returns `DependencyType.REQUIRED` for `ModrinthDependencyType.REQUIRED`", () => {
+            expect(ModrinthDependencyType.toDependencyType(ModrinthDependencyType.REQUIRED)).toBe(DependencyType.REQUIRED);
+        });
+
+        test("returns `DependencyType.OPTIONAL` for `ModrinthDependencyType.OPTIONAL`", () => {
+            expect(ModrinthDependencyType.toDependencyType(ModrinthDependencyType.OPTIONAL)).toBe(DependencyType.OPTIONAL);
+        });
+
+        test("returns `DependencyType.INCOMPATIBLE` for `ModrinthDependencyType.INCOMPATIBLE`", () => {
+            expect(ModrinthDependencyType.toDependencyType(ModrinthDependencyType.INCOMPATIBLE)).toBe(DependencyType.INCOMPATIBLE);
+        });
+
+        test("returns `DependencyType.EMBEDDED` for `ModrinthDependencyType.EMBEDDED`", () => {
+            expect(ModrinthDependencyType.toDependencyType(ModrinthDependencyType.EMBEDDED)).toBe(DependencyType.EMBEDDED);
+        });
+
+        test("returns undefined for invalid ModrinthDependencyType values", () => {
+            expect(ModrinthDependencyType.toDependencyType(undefined)).toBeUndefined();
+            expect(ModrinthDependencyType.toDependencyType("invalid value" as ModrinthDependencyType)).toBeUndefined();
+        });
+    });
+});