Commit LLM generated test cases

frontend/deterministic-tests/src/tests/offline-mixed-operations.test.ts

@@ -0,0 +1,113 @@
+import type { ClientState, TestDefinition } from "../test-definition";
+import { assert } from "../utils/assert";
+
+function verifyFinalState(state: ClientState): void {
+    const files = Array.from(state.files.keys()).sort();
+
+    // file1.md was deleted -- must not exist
+    assert(
+        !state.files.has("file1.md"),
+        `file1.md should have been deleted but exists. Files: ${files.join(", ")}`
+    );
+
+    // file2.md was renamed to moved.md
+    assert(
+        !state.files.has("file2.md"),
+        `file2.md should have been renamed but still exists. Files: ${files.join(", ")}`
+    );
+    assert(
+        state.files.has("moved.md"),
+        `moved.md should exist after rename. Files: ${files.join(", ")}`
+    );
+    const movedContent = state.files.get("moved.md") ?? "";
+    assert(
+        movedContent === "content-2",
+        `moved.md should have original content "content-2", got: "${movedContent}"`
+    );
+
+    // file3.md was updated
+    assert(
+        state.files.has("file3.md"),
+        `file3.md should exist. Files: ${files.join(", ")}`
+    );
+    const file3Content = state.files.get("file3.md") ?? "";
+    assert(
+        file3Content === "updated-content-3",
+        `file3.md should have "updated-content-3", got: "${file3Content}"`
+    );
+
+    // Exactly 2 files should remain
+    assert(
+        state.files.size === 2,
+        `Expected 2 files, got ${state.files.size}: ${files.join(", ")}`
+    );
+}
+
+export const offlineMixedOperationsTest: TestDefinition = {
+    name: "Offline Mixed Operations (Delete + Rename + Edit)",
+    description:
+        "Client 0 creates 3 files, syncs to both clients. Client 0 goes offline, " +
+        "deletes file 1, renames file 2 to a new name, and edits file 3. " +
+        "When Client 0 reconnects, all three operations should propagate to Client 1.",
+    clients: 2,
+    steps: [
+        // Setup: Client 0 creates 3 files and syncs
+        { type: "create", client: 0, path: "file1.md", content: "content-1" },
+        { type: "create", client: 0, path: "file2.md", content: "content-2" },
+        { type: "create", client: 0, path: "file3.md", content: "content-3" },
+        { type: "enable-sync", client: 0 },
+        { type: "enable-sync", client: 1 },
+        { type: "sync" },
+        { type: "barrier" },
+
+        // Verify initial sync
+        {
+            type: "assert-content",
+            client: 1,
+            path: "file1.md",
+            content: "content-1"
+        },
+        {
+            type: "assert-content",
+            client: 1,
+            path: "file2.md",
+            content: "content-2"
+        },
+        {
+            type: "assert-content",
+            client: 1,
+            path: "file3.md",
+            content: "content-3"
+        },
+
+        // Client 0 goes offline
+        { type: "disable-sync", client: 0 },
+
+        // Client 0 performs three different offline operations
+        { type: "delete", client: 0, path: "file1.md" },
+        {
+            type: "rename",
+            client: 0,
+            oldPath: "file2.md",
+            newPath: "moved.md"
+        },
+        {
+            type: "update",
+            client: 0,
+            path: "file3.md",
+            content: "updated-content-3"
+        },
+
+        // Client 0 reconnects
+        { type: "enable-sync", client: 0 },
+        { type: "sync" },
+        { type: "barrier" },
+
+        // All operations should have propagated
+        { type: "assert-not-exists", client: 1, path: "file1.md" },
+        { type: "assert-not-exists", client: 1, path: "file2.md" },
+        { type: "assert-exists", client: 1, path: "moved.md" },
+        { type: "assert-exists", client: 1, path: "file3.md" },
+        { type: "assert-consistent", verify: verifyFinalState }
+    ]
+};