Commit LLM generated test cases

frontend/deterministic-tests/src/tests/delete-rename-conflict.test.ts

@@ -0,0 +1,71 @@
+import type { ClientState, TestDefinition } from "../test-definition";
+import { assert } from "../utils/assert";
+
+function verifyConflictResolution(state: ClientState): void {
+    const files = Array.from(state.files.keys());
+
+    // B.md must exist (unaffected by the conflict)
+    assert(
+        state.files.has("B.md"),
+        `Expected B.md to exist, got: ${files.join(", ")}`
+    );
+    assert(
+        state.files.get("B.md") === "content-b",
+        `Expected B.md to have "content-b", got: "${state.files.get("B.md")}"`
+    );
+
+    // A.md should not exist (either deleted or renamed away)
+    assert(
+        !state.files.has("A.md"),
+        `A.md should not exist after conflict resolution, got: ${files.join(", ")}`
+    );
+
+    // If C.md exists (rename won over delete), it should have content-a
+    if (state.files.has("C.md")) {
+        assert(
+            state.files.get("C.md") === "content-a",
+            `If C.md exists, it should have "content-a", got: "${state.files.get("C.md")}"`
+        );
+    }
+}
+
+export const deleteRenameConflictTest: TestDefinition = {
+    name: "Delete vs Rename Conflict",
+    description:
+        "Client 0 deletes A.md while Client 1 (offline) renames A.md to C.md. " +
+        "When Client 1 reconnects, the system must reconcile the conflicting " +
+        "operations. Both clients should converge to the same state.",
+    clients: 2,
+    steps: [
+        // Setup: create A.md and B.md, sync to both clients
+        { type: "create", client: 0, path: "A.md", content: "content-a" },
+        { type: "create", client: 0, path: "B.md", content: "content-b" },
+        { type: "enable-sync", client: 0 },
+        { type: "enable-sync", client: 1 },
+        { type: "sync" },
+        { type: "barrier" },
+        { type: "assert-exists", client: 1, path: "A.md" },
+        { type: "assert-exists", client: 1, path: "B.md" },
+
+        // Client 1 goes offline
+        { type: "disable-sync", client: 1 },
+
+        // Client 0 deletes A.md and syncs
+        { type: "delete", client: 0, path: "A.md" },
+        { type: "sync", client: 0 },
+
+        // Client 1 (offline) renames A.md to C.md
+        { type: "rename", client: 1, oldPath: "A.md", newPath: "C.md" },
+
+        // Client 1 reconnects
+        { type: "enable-sync", client: 1 },
+        { type: "sync", client: 1 },
+        { type: "barrier" },
+
+        // Both clients must converge — the key invariant is consistency.
+        // B.md should still exist on both (unaffected by the conflict).
+        { type: "assert-exists", client: 0, path: "B.md" },
+        { type: "assert-exists", client: 1, path: "B.md" },
+        { type: "assert-consistent", verify: verifyConflictResolution }
+    ]
+};