Commit LLM generated test cases

frontend/deterministic-tests/src/tests/offline-edit-remote-rename.test.ts

@@ -0,0 +1,80 @@
+import type { ClientState, TestDefinition } from "../test-definition";
+import { assert } from "../utils/assert";
+
+function verifyEditPreservedAtNewPath(state: ClientState): void {
+    const files = Array.from(state.files.keys()).sort();
+
+    // A.md should not exist (it was renamed to B.md)
+    assert(
+        !state.files.has("A.md"),
+        `A.md should not exist after rename. Files: ${files.join(", ")}`
+    );
+
+    // B.md should exist with Client 0's edit merged in
+    assert(
+        state.files.has("B.md"),
+        `Expected B.md to exist. Files: ${files.join(", ")}`
+    );
+
+    const content = state.files.get("B.md") ?? "";
+    assert(
+        content.includes("edited by client 0"),
+        `Expected B.md to contain Client 0's edit "edited by client 0", got: "${content}"`
+    );
+
+    assert(
+        state.files.size === 1,
+        `Expected exactly 1 file, got ${state.files.size}: ${files.join(", ")}`
+    );
+}
+
+export const offlineEditRemoteRenameTest: TestDefinition = {
+    name: "Offline Edit + Remote Rename",
+    description:
+        "Client 0 goes offline and edits A.md. Meanwhile Client 1 renames " +
+        "A.md to B.md. When Client 0 reconnects, its edit should be applied " +
+        "to B.md (the renamed path). The edit must not be lost and A.md must " +
+        "not exist.",
+    clients: 2,
+    steps: [
+        // Setup: create and sync
+        { type: "create", client: 0, path: "A.md", content: "original" },
+        { type: "enable-sync", client: 0 },
+        { type: "enable-sync", client: 1 },
+        { type: "sync" },
+        { type: "barrier" },
+        {
+            type: "assert-content",
+            client: 1,
+            path: "A.md",
+            content: "original"
+        },
+
+        // Client 0 goes offline and edits
+        { type: "disable-sync", client: 0 },
+        {
+            type: "update",
+            client: 0,
+            path: "A.md",
+            content: "edited by client 0"
+        },
+
+        // Client 1 renames A.md -> B.md while Client 0 is offline
+        {
+            type: "rename",
+            client: 1,
+            oldPath: "A.md",
+            newPath: "B.md"
+        },
+        { type: "sync", client: 1 },
+
+        // Client 0 reconnects — edit must be preserved at new path
+        { type: "enable-sync", client: 0 },
+        { type: "sync" },
+        { type: "barrier" },
+
+        { type: "assert-not-exists", client: 0, path: "A.md" },
+        { type: "assert-not-exists", client: 1, path: "A.md" },
+        { type: "assert-consistent", verify: verifyEditPreservedAtNewPath }
+    ]
+};