SLVUU-117 add unit tests

vuu-ui/packages/vuu-layout/src/utils/typeOf.ts

@@ -24,4 +24,5 @@ export function typeOf(element?: LayoutModel | WithType): string | undefined {
 
 export const isTypeOf = (element: ReactElement, type: string) => typeOf(element) === type;
 
-export const isLayoutJSON = (layout: LayoutJSON): layout is LayoutJSON=> "type" in layout;
+export const isLayoutJSON = (layout: LayoutJSON): layout is LayoutJSON =>
+  layout !== undefined && "type" in layout;

vuu-ui/packages/vuu-layout/test/typeOf.test.ts

@@ -0,0 +1,30 @@
+import { describe, expect, it } from "vitest";
+import { LayoutJSON, isLayoutJSON } from "../src";
+
+const validLayout: LayoutJSON = {
+  type: "Stack",
+};
+
+const invalidLayout: unknown = {
+  name: "invalid-layout-test",
+};
+
+describe("isLayoutJSON", () => {
+  it("returns true when layout is valid", () => {
+    const result = isLayoutJSON(validLayout);
+
+    expect(result).toBe(true);
+  });
+
+  it("returns false when layout is not valid", () => {
+    const result = isLayoutJSON(invalidLayout as LayoutJSON);
+
+    expect(result).toBe(false);
+  });
+
+  it("returns false when layout is undefined", () => {
+    const result = isLayoutJSON(undefined as unknown as LayoutJSON);
+
+    expect(result).toBe(false);
+  });
+});

vuu-ui/packages/vuu-shell/test/layout-management/useLayoutManager.test.tsx

@@ -25,7 +25,9 @@ const defaultLayout = vi.hoisted(() => ({
 
 const newLayout: LayoutJSON = {
   type: "Stack",
-  title: "test-layout-edited",
+  props: {
+    title: "test-layout-edited",
+  },
 };
 
 const metadata: LayoutMetadata = {
@@ -160,7 +162,10 @@ describe("LayoutManagementProvider", () => {
 
       result.current.saveLayout(metadata);
 
-      expect(persistence.createLayout).toHaveBeenCalled();
+      expect(persistence.createLayout).toHaveBeenCalledWith(
+        metadata,
+        newLayout
+      );
     });
 
     it("doesn't call createLayout, triggers error notification and logs error when layout path can't be resolved ", () => {
@@ -169,6 +174,7 @@ describe("LayoutManagementProvider", () => {
 
       vi.mocked(persistence.createLayout).mockResolvedValueOnce(metadata);
       vi.mocked(resolveJSONPath).mockReturnValue(undefined);
+      vi.mocked(isLayoutJSON).mockReturnValue(true);
 
       result.current.saveLayout(metadata);