refactor: centralized the iam seeder

packages/iam-seed/src/missing-settings.util.spec.ts

@@ -0,0 +1,27 @@
+import { missingSettings } from "./missing-settings.util";
+
+const defaults = [
+  { key: "primaryColor", displayName: "Primary Color", value: null },
+  { key: "logoFileUrl", displayName: "Logo", value: null },
+];
+
+describe("missingSettings", () => {
+  it("returns every default when the owner has none", () => {
+    expect(missingSettings(defaults, new Set(), "org-1")).toHaveLength(2);
+  });
+
+  it("skips keys the owner has, but not the same key on another owner", () => {
+    const existing = new Set(["org-1:primaryColor"]);
+
+    expect(
+      missingSettings(defaults, existing, "org-1").map((s) => s.key),
+    ).toEqual(["logoFileUrl"]);
+    expect(missingSettings(defaults, existing, "org-2")).toHaveLength(2);
+  });
+
+  it("drops nulls so the column default applies", () => {
+    expect(
+      missingSettings(defaults, new Set(), "org-1")[0].value,
+    ).toBeUndefined();
+  });
+});