feat(widgets): persist Beszel and Docker table layouts (#6490)

packages/widgets/src/beszel-system-table/component.spec.ts

@@ -0,0 +1,34 @@
+import { describe, expect, test } from "vitest";
+
+import { parseColumnOrder, parseColumnWidths } from "../common/use-persisted-table-layout";
+
+const columnAccessors = ["name", "cpu", "memory", "disk", "temp"];
+
+describe("Beszel table column layout options", () => {
+  test("ignores malformed column layout JSON", () => {
+    expect(parseColumnOrder("{", columnAccessors)).toEqual([]);
+    expect(parseColumnWidths("[]", columnAccessors)).toEqual({});
+  });
+
+  test("removes stale and duplicate column accessors", () => {
+    expect(parseColumnOrder(JSON.stringify(["memory", "removed", "cpu", "memory"]), columnAccessors)).toEqual([
+      "memory",
+      "cpu",
+    ]);
+  });
+
+  test("keeps only finite positive widths for known columns", () => {
+    expect(
+      parseColumnWidths(
+        JSON.stringify({
+          cpu: 140,
+          memory: -1,
+          disk: "160px",
+          removed: 100,
+          temp: null,
+        }),
+        columnAccessors,
+      ),
+    ).toEqual({ cpu: 140 });
+  });
+});