1 files changed, 20 insertions, 0 deletions
diff --git a/src/lib/Utility/authorisation.test.ts b/src/lib/Utility/authorisation.test.ts
new file mode 100644
index 00000000..0027782b
--- /dev/null
+++ b/src/lib/Utility/authorisation.test.ts
@@ -0,0 +1,20 @@
+import { describe, expect, it } from "vitest";
+import { isOwnerOrPrivileged } from "./authorisation";
+
+describe("isOwnerOrPrivileged", () => {
+	it("allows the owner to act on their own resources", () => {
+		expect(isOwnerOrPrivileged(7, 7, false)).toBe(true);
+	});
+
+	it("allows a privileged user to act on anyone", () => {
+		expect(isOwnerOrPrivileged(7, 999, true)).toBe(true);
+	});
+
+	it("blocks a non-privileged user acting on someone else (the IDOR case)", () => {
+		expect(isOwnerOrPrivileged(7, 999, false)).toBe(false);
+	});
+
+	it("allows a privileged owner (both conditions)", () => {
+		expect(isOwnerOrPrivileged(7, 7, true)).toBe(true);
+	});
+});