From 1eb1171f553b54a9adc1069f3b0e777165def8a0 Mon Sep 17 00:00:00 2001
From: pedrocarlo <pedro.muniz.carlo@gmail.com>
Date: Tue, 26 Aug 2025 12:26:20 -0300
Subject: [PATCH] do not fault on Fsync until we correctly define the expected
 behaviour in the simulator

---
 simulator/runner/io.rs          | 2 +-
 simulator/runner/memory/file.rs | 5 +++--
 simulator/runner/memory/io.rs   | 4 ++--
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/simulator/runner/io.rs b/simulator/runner/io.rs
index d6cdcace7..dbb0b3953 100644
--- a/simulator/runner/io.rs
+++ b/simulator/runner/io.rs
@@ -7,7 +7,7 @@ use rand::{RngCore, SeedableRng};
 use rand_chacha::ChaCha8Rng;
 use turso_core::{Clock, IO, Instant, OpenFlags, PlatformIO, Result};
 
-use crate::runner::{clock::SimulatorClock, file::SimulatorFile, SimIO};
+use crate::runner::{SimIO, clock::SimulatorClock, file::SimulatorFile};
 
 pub(crate) struct SimulatorIO {
     pub(crate) inner: Box<dyn IO>,
diff --git a/simulator/runner/memory/file.rs b/simulator/runner/memory/file.rs
index e648ef23d..573a70820 100644
--- a/simulator/runner/memory/file.rs
+++ b/simulator/runner/memory/file.rs
@@ -5,7 +5,7 @@ use std::{
 
 use rand::{Rng as _, SeedableRng};
 use rand_chacha::ChaCha8Rng;
-use tracing::{instrument, Level};
+use tracing::{Level, instrument};
 use turso_core::{Completion, File, Result};
 
 use crate::runner::{
@@ -131,7 +131,8 @@ impl MemorySimFile {
     }
 
     fn insert_op(&self, op: OperationType) {
-        let fault = self.fault.get();
+        // FIXME: currently avoid any fsync faults until we correctly define the expected behaviour in the simulator
+        let fault = self.fault.get() && !matches!(op, OperationType::Sync { .. });
         if fault {
             let mut io_tracker = self.io_tracker.borrow_mut();
             match &op {
diff --git a/simulator/runner/memory/io.rs b/simulator/runner/memory/io.rs
index 8b07ba819..1a2ea49a8 100644
--- a/simulator/runner/memory/io.rs
+++ b/simulator/runner/memory/io.rs
@@ -5,11 +5,11 @@ use indexmap::IndexMap;
 use parking_lot::Mutex;
 use rand::{RngCore, SeedableRng};
 use rand_chacha::ChaCha8Rng;
-use turso_core::{Clock, Completion, Instant, OpenFlags, Result, IO};
+use turso_core::{Clock, Completion, IO, Instant, OpenFlags, Result};
 
+use crate::runner::SimIO;
 use crate::runner::clock::SimulatorClock;
 use crate::runner::memory::file::MemorySimFile;
-use crate::runner::SimIO;
 
 /// File descriptor
 pub type Fd = String;