Commit LLM generated test cases

frontend/deterministic-tests/src/tests/duplicate-content-files.test.ts

@@ -0,0 +1,41 @@
+import type { ClientState, TestDefinition } from "../test-definition";
+import { assert } from "../utils/assert";
+
+function verifyBothFilesExist(state: ClientState): void {
+    assert(
+        state.files.size === 2,
+        `Expected 2 files, got ${state.files.size}: ${Array.from(state.files.keys()).join(", ")}`
+    );
+    assert(state.files.has("original.md"), "Expected original.md to exist");
+    assert(state.files.has("copy.md"), "Expected copy.md to exist");
+    assert(
+        state.files.get("original.md") === "same content",
+        `original.md has wrong content: "${state.files.get("original.md")}"`
+    );
+    assert(
+        state.files.get("copy.md") === "same content",
+        `copy.md has wrong content: "${state.files.get("copy.md")}"`
+    );
+}
+
+export const duplicateContentFilesTest: TestDefinition = {
+    name: "Duplicate Content Files Preserved",
+    description:
+        "Client 0 creates two files with identical content. Both should sync " +
+        "to Client 1 without the duplicate detection deleting one of them.",
+    clients: 2,
+    steps: [
+        // Create two files with identical content while offline
+        { type: "create", client: 0, path: "original.md", content: "same content" },
+        { type: "create", client: 0, path: "copy.md", content: "same content" },
+
+        // Enable sync
+        { type: "enable-sync", client: 0 },
+        { type: "enable-sync", client: 1 },
+        { type: "sync" },
+        { type: "barrier" },
+
+        // Both files must exist on both clients
+        { type: "assert-consistent", verify: verifyBothFilesExist }
+    ]
+};