Initial commit

packages/core-testing/src/instrumentation/recording-audit-log.test.ts

@@ -0,0 +1,53 @@
+import { describe, it, expect } from "vitest";
+import { RecordingAuditLog } from "./recording-audit-log";
+
+// Inline type to avoid importing from @repo/core-shared (boundary: tooling cannot depend on core)
+type SampleEntry = Parameters<RecordingAuditLog["record"]>[0];
+
+const sample: SampleEntry = {
+  actorId: "user_1",
+  actorType: "user",
+  actorRoles: [],
+  action: "CREATE",
+  resource: { type: "articles" },
+  at: new Date(),
+  scope: { feature: "blog", environment: "test", tenant: "default" },
+  from: { ipTruncated: "10.0.0.0", userAgent: "test" },
+  containsPii: false,
+  outcome: "success",
+};
+
+describe("RecordingAuditLog", () => {
+  it("record() pushes to recorded[]", async () => {
+    const log = new RecordingAuditLog();
+    await log.record(sample);
+    expect(log.recorded).toHaveLength(1);
+    expect(log.recorded[0]!.actorId).toBe("user_1");
+  });
+
+  it("eraseSubject(pseudonymize) tracks erasure + rewrites actorId in recorded", async () => {
+    const log = new RecordingAuditLog();
+    await log.record(sample);
+    await log.eraseSubject("user_1", "pseudonymize");
+    expect(log.erasures).toEqual([{ actorId: "user_1", mode: "pseudonymize" }]);
+    expect(log.recorded[0]!.actorId).toBe("erased-user_1");  // sentinel rewrite
+  });
+
+  it("eraseSubject(delete) removes matching entries from recorded", async () => {
+    const log = new RecordingAuditLog();
+    await log.record(sample);
+    await log.record({ ...sample, actorId: "user_2" });
+    await log.eraseSubject("user_1", "delete");
+    expect(log.recorded.map((r) => r.actorId)).toEqual(["user_2"]);
+    expect(log.erasures).toEqual([{ actorId: "user_1", mode: "delete" }]);
+  });
+
+  it("reset() clears recorded + erasures", async () => {
+    const log = new RecordingAuditLog();
+    await log.record(sample);
+    await log.eraseSubject("user_1", "pseudonymize");
+    log.reset();
+    expect(log.recorded).toEqual([]);
+    expect(log.erasures).toEqual([]);
+  });
+});