chore: add test settings

src/core/settings.test.ts

@@ -0,0 +1,35 @@
+import { parseSettings } from "./settings";
+import * as E from "fp-ts/Either";
+
+describe("parseSettings", () => {
+    it("should return the default settings when given null", () => {
+        const result = parseSettings(null);
+        expect(E.isRight(result)).toBe(true);
+        if (E.isRight(result)) {
+            expect(result.right).toEqual({
+                editorPosition: "right",
+                formDefinitions: [],
+            });
+        }
+    });
+
+    it("should return the parsed settings when given valid input", () => {
+        const input = {
+            editorPosition: "left",
+            formDefinitions: [],
+        };
+        const result = parseSettings(input);
+        expect(E.isRight(result)).toBe(true);
+        if (E.isRight(result)) expect(result.right).toEqual(input);
+    });
+
+    it("should return a validation error when given invalid input", () => {
+        const input = {
+            editorPosition: "lift",
+            formDefinitions: [],
+        };
+        const result = parseSettings(input);
+        expect(E.isLeft(result)).toBe(true);
+        if (E.isLeft(result)) expect(result.left).toBeDefined();
+    });
+});