Merge branch 'staging' into feat/custom-llm-provider

This commit is contained in:
jinxin
2026-03-19 22:29:09 +08:00
committed by GitHub
13 changed files with 1020 additions and 55 deletions
+222 -19
View File
@@ -360,6 +360,8 @@ enum TelegramStatusAction {
}
const TELEGRAM_STATUS_MAX_CHARS: usize = 600;
/// Telegram's hard limit for message text length.
const TELEGRAM_MAX_MESSAGE_LEN: usize = 4096;
fn truncate_status_message(input: &str, max_chars: usize) -> String {
let mut iter = input.chars();
@@ -371,6 +373,73 @@ fn truncate_status_message(input: &str, max_chars: usize) -> String {
}
}
/// Split a long message into chunks that fit within Telegram's 4096-char limit.
///
/// Tries to split at the most natural boundary available (in priority order):
/// 1. Double newline (paragraph break)
/// 2. Single newline
/// 3. Sentence end (`. `, `! `, `? `)
/// 4. Word boundary (space)
/// 5. Hard cut at the limit (last resort for pathological input)
fn split_message(text: &str) -> Vec<String> {
if text.chars().count() <= TELEGRAM_MAX_MESSAGE_LEN {
return vec![text.to_string()];
}
let mut chunks: Vec<String> = Vec::new();
let mut remaining = text;
while !remaining.is_empty() {
// Count chars to find the byte offset for our window.
let window_bytes = remaining
.char_indices()
.take(TELEGRAM_MAX_MESSAGE_LEN)
.last()
.map(|(byte_idx, ch)| byte_idx + ch.len_utf8())
.unwrap_or(remaining.len());
if window_bytes >= remaining.len() {
// Remainder fits entirely.
chunks.push(remaining.to_string());
break;
}
let window = &remaining[..window_bytes];
// 1. Double newline — best paragraph boundary
let split_at = window.rfind("\n\n")
// 2. Single newline
.or_else(|| window.rfind('\n'))
// 3. Sentence-ending punctuation followed by space.
// Note: this only detects ASCII punctuation (. ! ?), not CJK
// sentence-ending marks (。!?). CJK text falls through to
// word-boundary or hard-cut splitting.
.or_else(|| {
let bytes = window.as_bytes();
// Search backwards for '. ', '! ', '? '
(1..bytes.len()).rev().find(|&i| {
matches!(bytes[i - 1], b'.' | b'!' | b'?') && bytes[i] == b' '
})
})
// 4. Word boundary (last space)
.or_else(|| window.rfind(' '))
// 5. Hard cut
.unwrap_or(window_bytes);
// Avoid empty chunks (e.g. text starting with \n\n).
let split_at = if split_at == 0 { window_bytes } else { split_at };
// Trim whitespace at chunk boundaries for clean Telegram display.
// Note: this drops leading/trailing spaces at split points, which is
// acceptable for chat messages but means the concatenation of chunks
// may not exactly equal the original text when split at spaces.
chunks.push(remaining[..split_at].trim_end().to_string());
remaining = remaining[split_at..].trim_start();
}
chunks
}
fn status_message_for_user(update: &StatusUpdate) -> Option<String> {
let message = update.message.trim();
if message.is_empty() {
@@ -1242,26 +1311,64 @@ fn send_response(
return Ok(());
}
// Try Markdown, fall back to plain text on parse errors
match send_message(
chat_id,
&response.content,
reply_to_message_id,
Some("Markdown"),
message_thread_id,
) {
Ok(_) => Ok(()),
Err(SendError::ParseEntities(_)) => send_message(
chat_id,
&response.content,
reply_to_message_id,
None,
message_thread_id,
)
.map(|_| ())
.map_err(|e| format!("Plain-text retry also failed: {}", e)),
Err(e) => Err(e.to_string()),
// Split large messages into chunks that fit Telegram's limit.
let chunks = split_message(&response.content);
let total = chunks.len();
// The first chunk replies to the original message; subsequent chunks
// reply to the previously sent chunk so they form a visual thread.
let mut reply_to = reply_to_message_id;
for (i, chunk) in chunks.into_iter().enumerate() {
// Try Markdown, fall back to plain text on parse errors
let result = send_message(chat_id, &chunk, reply_to, Some("Markdown"), message_thread_id);
let msg_id = match result {
Ok(id) => {
channel_host::log(
channel_host::LogLevel::Debug,
&format!(
"Sent message chunk {}/{} to chat {}: message_id={}",
i + 1,
total,
chat_id,
id,
),
);
id
}
Err(SendError::ParseEntities(detail)) => {
channel_host::log(
channel_host::LogLevel::Warn,
&format!(
"Markdown parse failed on chunk {}/{} ({}), retrying as plain text",
i + 1,
total,
detail
),
);
let id = send_message(chat_id, &chunk, reply_to, None, message_thread_id)
.map_err(|e| format!("Plain-text retry also failed: {}", e))?;
channel_host::log(
channel_host::LogLevel::Debug,
&format!(
"Sent plain-text chunk {}/{} to chat {}: message_id={}",
i + 1,
total,
chat_id,
id,
),
);
id
}
Err(e) => return Err(e.to_string()),
};
// Each subsequent chunk threads off the previous sent message.
reply_to = Some(msg_id);
}
Ok(())
}
/// Send a single attachment, choosing sendPhoto or sendDocument based on MIME type.
@@ -2043,6 +2150,102 @@ export!(TelegramChannel);
mod tests {
use super::*;
#[test]
fn test_split_message_short() {
let text = "Hello, world!";
let chunks = split_message(text);
assert_eq!(chunks, vec![text]);
}
#[test]
fn test_split_message_paragraph_boundary() {
let para_a = "A".repeat(3000);
let para_b = "B".repeat(3000);
let text = format!("{}\n\n{}", para_a, para_b);
let chunks = split_message(&text);
assert_eq!(chunks.len(), 2);
assert_eq!(chunks[0], para_a);
assert_eq!(chunks[1], para_b);
}
#[test]
fn test_split_message_word_boundary() {
// Build a string well over the limit with no newlines.
let words: Vec<String> = (0..1000).map(|i| format!("word{:04}", i)).collect();
let text = words.join(" ");
assert!(text.len() > TELEGRAM_MAX_MESSAGE_LEN);
let chunks = split_message(&text);
assert!(chunks.len() > 1, "expected multiple chunks");
for chunk in &chunks {
assert!(chunk.chars().count() <= TELEGRAM_MAX_MESSAGE_LEN);
}
// Rejoined chunks must equal the original text exactly.
let rejoined = chunks.join(" ");
assert_eq!(rejoined, text);
}
#[test]
fn test_split_message_each_chunk_fits() {
// Stress-test: 20 000 chars of mixed text.
let text: String = (0..500)
.map(|i| format!("Sentence number {}. ", i))
.collect();
assert!(text.len() > TELEGRAM_MAX_MESSAGE_LEN);
let chunks = split_message(&text);
for chunk in &chunks {
assert!(chunk.chars().count() <= TELEGRAM_MAX_MESSAGE_LEN);
}
}
#[test]
fn test_split_message_sentence_boundary() {
// Build text that exceeds the limit, with sentence boundaries inside.
let sentence = "This is a test sentence. ";
let repeat_count = TELEGRAM_MAX_MESSAGE_LEN / sentence.len() + 5;
let text: String = sentence.repeat(repeat_count);
assert!(text.chars().count() > TELEGRAM_MAX_MESSAGE_LEN);
let chunks = split_message(&text);
assert!(chunks.len() > 1);
// First chunk should end at a sentence boundary (trimmed)
let first = &chunks[0];
assert!(
first.ends_with('.'),
"First chunk should end at a sentence boundary, got: ...{}",
&first[first.len().saturating_sub(20)..]
);
}
#[test]
fn test_split_message_hard_cut_no_spaces() {
// Pathological input: a single huge "word" with no spaces or newlines.
let text = "x".repeat(TELEGRAM_MAX_MESSAGE_LEN * 2 + 100);
let chunks = split_message(&text);
assert!(chunks.len() >= 2);
for chunk in &chunks {
assert!(chunk.chars().count() <= TELEGRAM_MAX_MESSAGE_LEN);
}
// Rejoined must preserve all characters
let rejoined: String = chunks.concat();
assert_eq!(rejoined, text);
}
#[test]
fn test_split_message_multibyte_chars() {
// Emoji are 4 bytes each. Ensure we don't panic or split mid-character.
let emoji = "\u{1F600}"; // 😀
let text: String = emoji.repeat(TELEGRAM_MAX_MESSAGE_LEN + 100);
assert!(text.chars().count() > TELEGRAM_MAX_MESSAGE_LEN);
let chunks = split_message(&text);
assert!(chunks.len() >= 2);
for chunk in &chunks {
assert!(chunk.chars().count() <= TELEGRAM_MAX_MESSAGE_LEN);
// Every char should be a complete emoji
assert!(chunk.chars().all(|c| c == '\u{1F600}'));
}
}
#[test]
fn test_clean_message_text() {
// Without bot_username: strips any leading @mention
+11 -2
View File
@@ -146,6 +146,8 @@ pub struct AgentDeps {
pub transcription: Option<Arc<crate::transcription::TranscriptionMiddleware>>,
/// Document text extraction middleware for PDF, DOCX, PPTX, etc.
pub document_extraction: Option<Arc<crate::document_extraction::DocumentExtractionMiddleware>>,
/// Software builder for self-repair tool rebuilding.
pub builder: Option<Arc<dyn crate::tools::SoftwareBuilder>>,
}
/// The main agent that coordinates all components.
@@ -340,11 +342,18 @@ impl Agent {
let mut message_stream = self.channels.start_all().await?;
// Start self-repair task with notification forwarding
let repair = Arc::new(DefaultSelfRepair::new(
let mut self_repair = DefaultSelfRepair::new(
self.context_manager.clone(),
self.config.stuck_threshold,
self.config.max_repair_attempts,
));
);
if let Some(ref store) = self.deps.store {
self_repair = self_repair.with_store(Arc::clone(store));
}
if let Some(ref builder) = self.deps.builder {
self_repair = self_repair.with_builder(Arc::clone(builder), Arc::clone(self.tools()));
}
let repair = Arc::new(self_repair);
let repair_interval = self.config.repair_check_interval;
let repair_channels = self.channels.clone();
let repair_owner_id = self.owner_id().to_string();
+3
View File
@@ -1197,6 +1197,7 @@ mod tests {
http_interceptor: None,
transcription: None,
document_extraction: None,
builder: None,
};
Agent::new(
@@ -2037,6 +2038,7 @@ mod tests {
http_interceptor: None,
transcription: None,
document_extraction: None,
builder: None,
};
Agent::new(
@@ -2155,6 +2157,7 @@ mod tests {
http_interceptor: None,
transcription: None,
document_extraction: None,
builder: None,
};
Agent::new(
+259 -17
View File
@@ -66,14 +66,10 @@ pub trait SelfRepair: Send + Sync {
/// Default self-repair implementation.
pub struct DefaultSelfRepair {
context_manager: Arc<ContextManager>,
// TODO: use for time-based stuck detection (currently only max_repair_attempts is checked)
#[allow(dead_code)]
stuck_threshold: Duration,
max_repair_attempts: u32,
store: Option<Arc<dyn Database>>,
builder: Option<Arc<dyn SoftwareBuilder>>,
// TODO: use for tool hot-reload after repair
#[allow(dead_code)]
tools: Option<Arc<ToolRegistry>>,
}
@@ -95,15 +91,13 @@ impl DefaultSelfRepair {
}
/// Add a Store for tool failure tracking.
#[allow(dead_code)] // TODO: wire up in main.rs when persistence is needed
pub(crate) fn with_store(mut self, store: Arc<dyn Database>) -> Self {
pub fn with_store(mut self, store: Arc<dyn Database>) -> Self {
self.store = Some(store);
self
}
/// Add a Builder and ToolRegistry for automatic tool repair.
#[allow(dead_code)] // TODO: wire up in main.rs when auto-repair is needed
pub(crate) fn with_builder(
pub fn with_builder(
mut self,
builder: Arc<dyn SoftwareBuilder>,
tools: Arc<ToolRegistry>,
@@ -124,18 +118,30 @@ impl SelfRepair for DefaultSelfRepair {
if let Ok(ctx) = self.context_manager.get_context(job_id).await
&& ctx.state == JobState::Stuck
{
let stuck_duration = ctx
.started_at
.map(|start| {
let now = Utc::now();
let duration = now.signed_duration_since(start);
// Measure stuck_duration from the most recent Stuck transition,
// not from started_at (which reflects when the job first ran).
let stuck_since = ctx
.transitions
.iter()
.rev()
.find(|t| t.to == JobState::Stuck)
.map(|t| t.timestamp);
let stuck_duration = stuck_since
.map(|ts| {
let duration = Utc::now().signed_duration_since(ts);
Duration::from_secs(duration.num_seconds().max(0) as u64)
})
.unwrap_or_default();
// Only report jobs that have been stuck long enough
if stuck_duration < self.stuck_threshold {
continue;
}
stuck_jobs.push(StuckJob {
job_id,
last_activity: ctx.started_at.unwrap_or(ctx.created_at),
last_activity: stuck_since.unwrap_or(ctx.created_at),
stuck_duration,
last_error: None,
repair_attempts: ctx.repair_attempts,
@@ -273,9 +279,8 @@ impl SelfRepair for DefaultSelfRepair {
tracing::warn!("Failed to mark tool as repaired: {}", e);
}
// Log if the tool was auto-registered
if result.registered {
tracing::info!("Repaired tool '{}' auto-registered", tool.name);
tracing::info!("Repaired tool '{}' auto-registered by builder", tool.name);
}
Ok(RepairResult::Success {
@@ -417,7 +422,8 @@ mod tests {
.unwrap()
.unwrap();
let repair = DefaultSelfRepair::new(cm, Duration::from_secs(60), 3);
// Use zero threshold so the just-stuck job is detected immediately.
let repair = DefaultSelfRepair::new(cm, Duration::from_secs(0), 3);
let stuck = repair.detect_stuck_jobs().await;
assert_eq!(stuck.len(), 1);
assert_eq!(stuck[0].job_id, job_id);
@@ -483,6 +489,98 @@ mod tests {
);
}
#[tokio::test]
async fn detect_stuck_jobs_filters_by_threshold() {
let cm = Arc::new(ContextManager::new(10));
let job_id = cm.create_job("Stuck job", "desc").await.unwrap();
// Transition to InProgress, then to Stuck.
cm.update_context(job_id, |ctx| ctx.transition_to(JobState::InProgress, None))
.await
.unwrap()
.unwrap();
cm.update_context(job_id, |ctx| {
ctx.transition_to(JobState::Stuck, Some("timed out".to_string()))
})
.await
.unwrap()
.unwrap();
// Use a very large threshold (1 hour). Job just became stuck, so
// stuck_duration < threshold. It should be filtered out.
let repair = DefaultSelfRepair::new(cm, Duration::from_secs(3600), 3);
let stuck = repair.detect_stuck_jobs().await;
assert!(
stuck.is_empty(),
"Job stuck for <1s should be filtered by 1h threshold"
);
}
#[tokio::test]
async fn detect_stuck_jobs_includes_when_over_threshold() {
let cm = Arc::new(ContextManager::new(10));
let job_id = cm.create_job("Stuck job", "desc").await.unwrap();
// Transition to InProgress, then to Stuck.
cm.update_context(job_id, |ctx| ctx.transition_to(JobState::InProgress, None))
.await
.unwrap()
.unwrap();
cm.update_context(job_id, |ctx| {
ctx.transition_to(JobState::Stuck, Some("timed out".to_string()))
})
.await
.unwrap()
.unwrap();
// Use a zero threshold -- any stuck duration should be included.
let repair = DefaultSelfRepair::new(cm, Duration::from_secs(0), 3);
let stuck = repair.detect_stuck_jobs().await;
assert_eq!(stuck.len(), 1, "Job should be detected with zero threshold");
assert_eq!(stuck[0].job_id, job_id);
}
/// Regression: stuck_duration must be measured from the Stuck transition,
/// not from started_at. A job that ran for 2 hours before becoming stuck
/// should NOT immediately exceed a 5-minute threshold.
#[tokio::test]
async fn stuck_duration_measured_from_stuck_transition_not_started_at() {
let cm = Arc::new(ContextManager::new(10));
let job_id = cm.create_job("Long runner", "desc").await.unwrap();
// Transition to InProgress (sets started_at to now).
cm.update_context(job_id, |ctx| ctx.transition_to(JobState::InProgress, None))
.await
.unwrap()
.unwrap();
// Backdate started_at to 2 hours ago to simulate a long-running job.
cm.update_context(job_id, |ctx| {
ctx.started_at = Some(Utc::now() - chrono::Duration::hours(2));
Ok::<(), crate::error::Error>(())
})
.await
.unwrap()
.unwrap();
// Now transition to Stuck (stuck transition timestamp is ~now).
cm.update_context(job_id, |ctx| {
ctx.transition_to(JobState::Stuck, Some("wedged".into()))
})
.await
.unwrap()
.unwrap();
// With a 5-minute threshold, the job JUST became stuck — should NOT be detected.
let repair = DefaultSelfRepair::new(cm, Duration::from_secs(300), 3);
let stuck = repair.detect_stuck_jobs().await;
assert!(
stuck.is_empty(),
"Job stuck for <1s should not exceed 5min threshold, \
but stuck_duration was computed from started_at (2h ago)"
);
}
#[tokio::test]
async fn detect_broken_tools_returns_empty_without_store() {
let cm = Arc::new(ContextManager::new(10));
@@ -515,4 +613,148 @@ mod tests {
result
);
}
/// Mock SoftwareBuilder that returns a successful build result.
struct MockBuilder {
build_count: std::sync::atomic::AtomicU32,
}
impl MockBuilder {
fn new() -> Self {
Self {
build_count: std::sync::atomic::AtomicU32::new(0),
}
}
fn builds(&self) -> u32 {
self.build_count.load(std::sync::atomic::Ordering::Relaxed)
}
}
#[async_trait]
impl crate::tools::SoftwareBuilder for MockBuilder {
async fn analyze(
&self,
_description: &str,
) -> Result<crate::tools::BuildRequirement, crate::error::ToolError> {
Ok(crate::tools::BuildRequirement {
name: "mock-tool".to_string(),
description: "mock".to_string(),
software_type: crate::tools::SoftwareType::WasmTool,
language: crate::tools::Language::Rust,
input_spec: None,
output_spec: None,
dependencies: vec![],
capabilities: vec![],
})
}
async fn build(
&self,
requirement: &crate::tools::BuildRequirement,
) -> Result<crate::tools::BuildResult, crate::error::ToolError> {
self.build_count
.fetch_add(1, std::sync::atomic::Ordering::Relaxed);
Ok(crate::tools::BuildResult {
build_id: Uuid::new_v4(),
requirement: requirement.clone(),
artifact_path: std::path::PathBuf::from("/tmp/mock.wasm"),
logs: vec![],
success: true,
error: None,
started_at: Utc::now(),
completed_at: Utc::now(),
iterations: 1,
validation_warnings: vec![],
tests_passed: 1,
tests_failed: 0,
registered: true,
})
}
async fn repair(
&self,
_result: &crate::tools::BuildResult,
_error: &str,
) -> Result<crate::tools::BuildResult, crate::error::ToolError> {
unimplemented!("not needed for this test")
}
}
/// E2E test: stuck job detected -> repaired -> transitions back to InProgress,
/// and broken tool detected -> builder invoked -> tool marked repaired.
#[cfg(feature = "libsql")]
#[tokio::test]
async fn e2e_stuck_job_repair_and_tool_rebuild() {
// --- Setup ---
let cm = Arc::new(ContextManager::new(10));
let job_id = cm.create_job("E2E stuck job", "desc").await.unwrap();
// Transition job: Pending -> InProgress -> Stuck
cm.update_context(job_id, |ctx| ctx.transition_to(JobState::InProgress, None))
.await
.unwrap()
.unwrap();
cm.update_context(job_id, |ctx| {
ctx.transition_to(JobState::Stuck, Some("deadlocked".to_string()))
})
.await
.unwrap()
.unwrap();
// Create a mock builder and a real test database (for store)
let builder = Arc::new(MockBuilder::new());
let tools = Arc::new(ToolRegistry::new());
let (db, _tmp_dir) = crate::testing::test_db().await;
// Create self-repair with zero threshold (detect immediately),
// wired with store, builder, and tools.
let repair = DefaultSelfRepair::new(Arc::clone(&cm), Duration::from_secs(0), 3)
.with_store(Arc::clone(&db))
.with_builder(
Arc::clone(&builder) as Arc<dyn crate::tools::SoftwareBuilder>,
tools,
);
// --- Phase 1: Detect and repair stuck job ---
let stuck_jobs = repair.detect_stuck_jobs().await;
assert_eq!(stuck_jobs.len(), 1, "Should detect the stuck job");
assert_eq!(stuck_jobs[0].job_id, job_id);
let result = repair.repair_stuck_job(&stuck_jobs[0]).await.unwrap();
assert!(
matches!(result, RepairResult::Success { .. }),
"Job repair should succeed: {:?}",
result
);
// Verify job transitioned back to InProgress
let ctx = cm.get_context(job_id).await.unwrap();
assert_eq!(
ctx.state,
JobState::InProgress,
"Job should be back to InProgress after repair"
);
// --- Phase 2: Repair a broken tool via builder ---
let broken = BrokenTool {
name: "broken-wasm-tool".to_string(),
failure_count: 10,
last_error: Some("panic in tool execution".to_string()),
first_failure: Utc::now() - chrono::Duration::hours(1),
last_failure: Utc::now(),
last_build_result: None,
repair_attempts: 0,
};
let tool_result = repair.repair_broken_tool(&broken).await.unwrap();
assert!(
matches!(tool_result, RepairResult::Success { .. }),
"Tool repair should succeed with mock builder: {:?}",
tool_result
);
// Verify builder was actually invoked
assert_eq!(builder.builds(), 1, "Builder should have been called once");
}
}
+12 -6
View File
@@ -56,6 +56,7 @@ pub struct AppComponents {
pub session: Arc<SessionManager>,
pub catalog_entries: Vec<crate::extensions::RegistryEntry>,
pub dev_loaded_tool_names: Vec<String>,
pub builder: Option<Arc<dyn crate::tools::SoftwareBuilder>>,
}
/// Options that control optional init phases.
@@ -280,6 +281,7 @@ impl AppBuilder {
Arc<ToolRegistry>,
Option<Arc<dyn EmbeddingProvider>>,
Option<Arc<Workspace>>,
Option<Arc<dyn crate::tools::SoftwareBuilder>>,
),
anyhow::Error,
> {
@@ -367,16 +369,19 @@ impl AppBuilder {
}
// Register builder tool if enabled
if self.config.builder.enabled
let builder = if self.config.builder.enabled
&& (self.config.agent.allow_local_tools || !self.config.sandbox.enabled)
{
tools
let b = tools
.register_builder_tool(llm.clone(), Some(self.config.builder.to_builder_config()))
.await;
tracing::debug!("Builder mode enabled");
}
tracing::info!("Builder mode enabled");
Some(b)
} else {
None
};
Ok((safety, tools, embeddings, workspace))
Ok((safety, tools, embeddings, workspace, builder))
}
/// Phase 5: Load WASM tools, MCP servers, and create extension manager.
@@ -699,7 +704,7 @@ impl AppBuilder {
} else {
self.init_llm().await?
};
let (safety, tools, embeddings, workspace) = self.init_tools(&llm).await?;
let (safety, tools, embeddings, workspace, builder) = self.init_tools(&llm).await?;
// Create hook registry early so runtime extension activation can register hooks.
let hooks = Arc::new(HookRegistry::new());
@@ -819,6 +824,7 @@ impl AppBuilder {
session: self.session,
catalog_entries,
dev_loaded_tool_names,
builder,
})
}
}
+1
View File
@@ -748,6 +748,7 @@ async fn async_main() -> anyhow::Result<()> {
document_extraction: Some(Arc::new(
ironclaw::document_extraction::DocumentExtractionMiddleware::new(),
)),
builder: components.builder,
};
let mut agent = Agent::new(
+432
View File
@@ -0,0 +1,432 @@
//! Fault injection framework for testing retry, failover, and circuit breaker behavior.
//!
//! Provides [`FaultInjector`] which can be attached to [`StubLlm`](super::StubLlm) to
//! produce configurable error sequences, random failures, and delays.
//!
//! # Example
//!
//! ```rust,no_run
//! use ironclaw::testing::fault_injection::*;
//!
//! // Fail twice with transient errors, then succeed
//! let injector = FaultInjector::sequence([
//! FaultAction::Fail(FaultType::RequestFailed),
//! FaultAction::Fail(FaultType::RateLimited { retry_after: None }),
//! FaultAction::Succeed,
//! ]);
//! ```
use std::sync::Mutex;
use std::sync::atomic::{AtomicU32, Ordering};
use std::time::Duration;
use crate::llm::error::LlmError;
/// The type of fault to inject.
#[derive(Debug, Clone)]
pub enum FaultType {
/// Transient request failure (retryable).
RequestFailed,
/// Rate limited with optional retry-after duration.
RateLimited { retry_after: Option<Duration> },
/// Authentication failure (non-retryable).
AuthFailed,
/// Invalid response from provider (retryable).
InvalidResponse,
/// I/O error (retryable).
IoError,
/// Context length exceeded (non-retryable).
ContextLengthExceeded,
/// Session expired (transient for circuit breaker, not retryable).
SessionExpired,
}
impl FaultType {
/// Convert to the corresponding `LlmError`.
pub fn to_llm_error(&self, provider: &str) -> LlmError {
match self {
FaultType::RequestFailed => LlmError::RequestFailed {
provider: provider.to_string(),
reason: "injected fault: request failed".to_string(),
},
FaultType::RateLimited { retry_after } => LlmError::RateLimited {
provider: provider.to_string(),
retry_after: *retry_after,
},
FaultType::AuthFailed => LlmError::AuthFailed {
provider: provider.to_string(),
},
FaultType::InvalidResponse => LlmError::InvalidResponse {
provider: provider.to_string(),
reason: "injected fault: invalid response".to_string(),
},
FaultType::IoError => LlmError::Io(std::io::Error::new(
std::io::ErrorKind::ConnectionReset,
"injected fault: connection reset",
)),
FaultType::ContextLengthExceeded => LlmError::ContextLengthExceeded {
used: 100_000,
limit: 50_000,
},
FaultType::SessionExpired => LlmError::SessionExpired {
provider: provider.to_string(),
},
}
}
}
/// Action to take on a given call.
#[derive(Debug, Clone)]
pub enum FaultAction {
/// Return a successful response.
Succeed,
/// Return an error of the given type.
Fail(FaultType),
/// Sleep for the given duration, then succeed.
Delay(Duration),
}
/// How the fault sequence is consumed.
#[derive(Debug, Clone)]
pub enum FaultMode {
/// Play the sequence once, then succeed for all subsequent calls.
SequenceOnce,
/// Loop the sequence forever.
SequenceLoop,
/// Fail randomly at the given rate (0.0 = never, 1.0 = always) with
/// the specified fault type. Uses a seeded RNG for reproducibility.
/// The seed is stored so that [`FaultInjector::reset()`] can re-initialize
/// the RNG for test reproducibility.
Random {
error_rate: f64,
fault: FaultType,
seed: u64,
},
}
/// A configurable fault injector for [`StubLlm`](super::StubLlm).
///
/// Thread-safe: uses atomic call counter and mutex-protected RNG.
pub struct FaultInjector {
actions: Vec<FaultAction>,
mode: FaultMode,
call_index: AtomicU32,
/// Seeded RNG for Random mode, behind Mutex for Sync.
rng_state: Mutex<u64>,
}
impl std::fmt::Debug for FaultInjector {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.debug_struct("FaultInjector")
.field("call_index", &self.call_index.load(Ordering::Relaxed))
.field("mode", &self.mode)
.finish()
}
}
impl FaultInjector {
/// Create a fault injector that plays actions once, then succeeds.
pub fn sequence(actions: impl IntoIterator<Item = FaultAction>) -> Self {
Self {
actions: actions.into_iter().collect(),
mode: FaultMode::SequenceOnce,
call_index: AtomicU32::new(0),
rng_state: Mutex::new(0),
}
}
/// Create a fault injector that loops the action sequence forever.
pub fn sequence_loop(actions: impl IntoIterator<Item = FaultAction>) -> Self {
Self {
actions: actions.into_iter().collect(),
mode: FaultMode::SequenceLoop,
call_index: AtomicU32::new(0),
rng_state: Mutex::new(0),
}
}
/// Create a fault injector with random failures at the given rate.
///
/// # Panics
///
/// Panics if `error_rate` is not in `0.0..=1.0` or is NaN.
///
/// The seed is guarded against zero, which is a fixed point for xorshift.
pub fn random(error_rate: f64, fault: FaultType, seed: u64) -> Self {
assert!(
!error_rate.is_nan() && (0.0..=1.0).contains(&error_rate),
"error_rate must be in 0.0..=1.0 and not NaN, got {error_rate}"
);
let seed = if seed == 0 { 1 } else { seed };
Self {
actions: Vec::new(),
mode: FaultMode::Random {
error_rate,
fault,
seed,
},
call_index: AtomicU32::new(0),
rng_state: Mutex::new(seed),
}
}
/// Get the action for the next call.
pub fn next_action(&self) -> FaultAction {
let index = self.call_index.fetch_add(1, Ordering::Relaxed) as usize;
match &self.mode {
FaultMode::SequenceOnce => {
if index < self.actions.len() {
self.actions[index].clone()
} else {
FaultAction::Succeed
}
}
FaultMode::SequenceLoop => {
if self.actions.is_empty() {
FaultAction::Succeed
} else {
self.actions[index % self.actions.len()].clone()
}
}
FaultMode::Random {
error_rate, fault, ..
} => {
// Simple xorshift64 PRNG for reproducible randomness.
let random_val = {
let mut state = self.rng_state.lock().unwrap_or_else(|p| p.into_inner());
*state ^= *state << 13;
*state ^= *state >> 7;
*state ^= *state << 17;
(*state as f64) / (u64::MAX as f64)
};
if random_val <= *error_rate {
FaultAction::Fail(fault.clone())
} else {
FaultAction::Succeed
}
}
}
}
/// Get the total number of calls made.
pub fn call_count(&self) -> u32 {
self.call_index.load(Ordering::Relaxed)
}
/// Reset the injector to its initial state.
///
/// For `Random` mode, re-initializes the RNG from the stored seed,
/// which is useful for test reproducibility.
/// For all modes, resets the call counter to zero.
pub fn reset(&self) {
self.call_index.store(0, Ordering::Relaxed);
if let FaultMode::Random { seed, .. } = &self.mode {
let mut state = self.rng_state.lock().unwrap_or_else(|p| p.into_inner());
*state = *seed;
}
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn sequence_once_plays_then_succeeds() {
let injector = FaultInjector::sequence([
FaultAction::Fail(FaultType::RequestFailed),
FaultAction::Fail(FaultType::RateLimited { retry_after: None }),
FaultAction::Succeed,
]);
// First two calls should fail
assert!(matches!(
injector.next_action(),
FaultAction::Fail(FaultType::RequestFailed)
));
assert!(matches!(
injector.next_action(),
FaultAction::Fail(FaultType::RateLimited { .. })
));
// Third call is explicit succeed
assert!(matches!(injector.next_action(), FaultAction::Succeed));
// Beyond sequence: implicit succeed
assert!(matches!(injector.next_action(), FaultAction::Succeed));
assert!(matches!(injector.next_action(), FaultAction::Succeed));
assert_eq!(injector.call_count(), 5);
}
#[test]
fn sequence_loop_repeats() {
let injector = FaultInjector::sequence_loop([
FaultAction::Fail(FaultType::RequestFailed),
FaultAction::Succeed,
]);
assert!(matches!(injector.next_action(), FaultAction::Fail(_)));
assert!(matches!(injector.next_action(), FaultAction::Succeed));
assert!(matches!(injector.next_action(), FaultAction::Fail(_)));
assert!(matches!(injector.next_action(), FaultAction::Succeed));
}
#[test]
fn random_mode_is_deterministic_with_seed() {
let injector1 = FaultInjector::random(0.5, FaultType::RequestFailed, 42);
let injector2 = FaultInjector::random(0.5, FaultType::RequestFailed, 42);
let results1: Vec<bool> = (0..20)
.map(|_| matches!(injector1.next_action(), FaultAction::Fail(_)))
.collect();
let results2: Vec<bool> = (0..20)
.map(|_| matches!(injector2.next_action(), FaultAction::Fail(_)))
.collect();
assert_eq!(results1, results2, "Same seed should produce same sequence");
}
#[test]
fn fault_type_produces_correct_llm_errors() {
let provider = "test-provider";
assert!(matches!(
FaultType::RequestFailed.to_llm_error(provider),
LlmError::RequestFailed { .. }
));
assert!(matches!(
FaultType::RateLimited {
retry_after: Some(Duration::from_secs(5))
}
.to_llm_error(provider),
LlmError::RateLimited { .. }
));
assert!(matches!(
FaultType::AuthFailed.to_llm_error(provider),
LlmError::AuthFailed { .. }
));
assert!(matches!(
FaultType::InvalidResponse.to_llm_error(provider),
LlmError::InvalidResponse { .. }
));
assert!(matches!(
FaultType::IoError.to_llm_error(provider),
LlmError::Io(_)
));
assert!(matches!(
FaultType::ContextLengthExceeded.to_llm_error(provider),
LlmError::ContextLengthExceeded { .. }
));
assert!(matches!(
FaultType::SessionExpired.to_llm_error(provider),
LlmError::SessionExpired { .. }
));
}
#[test]
fn delay_action_exists() {
let injector = FaultInjector::sequence([FaultAction::Delay(Duration::from_millis(100))]);
assert!(matches!(injector.next_action(), FaultAction::Delay(_)));
}
#[test]
fn random_seed_zero_does_not_always_fail() {
// seed=0 is a fixed point for xorshift; the constructor guards it to 1.
let injector = FaultInjector::random(0.5, FaultType::RequestFailed, 0);
let failures = (0..100)
.filter(|_| matches!(injector.next_action(), FaultAction::Fail(_)))
.count();
assert!(failures < 100, "seed=0 must not produce stuck RNG");
}
#[test]
fn empty_sequence_always_succeeds() {
let injector = FaultInjector::sequence([]);
for _ in 0..10 {
assert!(matches!(injector.next_action(), FaultAction::Succeed));
}
}
#[test]
fn reset_restores_random_rng_from_stored_seed() {
let injector = FaultInjector::random(0.5, FaultType::RequestFailed, 42);
let run1: Vec<bool> = (0..20)
.map(|_| matches!(injector.next_action(), FaultAction::Fail(_)))
.collect();
injector.reset();
assert_eq!(injector.call_count(), 0);
let run2: Vec<bool> = (0..20)
.map(|_| matches!(injector.next_action(), FaultAction::Fail(_)))
.collect();
assert_eq!(run1, run2, "reset() should reproduce the same sequence");
}
#[test]
#[should_panic(expected = "error_rate must be in 0.0..=1.0")]
fn random_rejects_error_rate_above_one() {
FaultInjector::random(1.5, FaultType::RequestFailed, 42);
}
#[test]
#[should_panic(expected = "error_rate must be in 0.0..=1.0")]
fn random_rejects_negative_error_rate() {
FaultInjector::random(-0.1, FaultType::RequestFailed, 42);
}
#[test]
#[should_panic(expected = "error_rate must be in 0.0..=1.0 and not NaN")]
fn random_rejects_nan_error_rate() {
FaultInjector::random(f64::NAN, FaultType::RequestFailed, 42);
}
#[test]
fn error_rate_one_always_fails() {
let injector = FaultInjector::random(1.0, FaultType::RequestFailed, 42);
for _ in 0..100 {
assert!(
matches!(injector.next_action(), FaultAction::Fail(_)),
"error_rate=1.0 must always produce failures"
);
}
}
#[test]
fn error_rate_zero_never_fails() {
let injector = FaultInjector::random(0.0, FaultType::RequestFailed, 42);
for _ in 0..100 {
assert!(
matches!(injector.next_action(), FaultAction::Succeed),
"error_rate=0.0 must never produce failures"
);
}
}
#[tokio::test]
async fn delay_action_pauses_execution() {
tokio::time::pause();
let injector = FaultInjector::sequence([
FaultAction::Delay(Duration::from_secs(10)),
FaultAction::Succeed,
]);
// First action is a delay
let action = injector.next_action();
assert!(matches!(action, FaultAction::Delay(d) if d == Duration::from_secs(10)));
// Simulate what StubLlm does: sleep then succeed
if let FaultAction::Delay(d) = action {
let start = tokio::time::Instant::now();
tokio::time::sleep(d).await;
let elapsed = start.elapsed();
assert!(
elapsed >= Duration::from_secs(10),
"delay should have paused for at least 10s, got {elapsed:?}"
);
}
// Next action succeeds
assert!(matches!(injector.next_action(), FaultAction::Succeed));
}
}
+66 -4
View File
@@ -19,9 +19,11 @@
//! ```
pub mod credentials;
pub mod fault_injection;
use std::sync::Arc;
use std::sync::Mutex;
use std::sync::atomic::{AtomicBool, AtomicU32, Ordering};
use async_trait::async_trait;
@@ -84,6 +86,9 @@ pub struct StubLlm {
call_count: AtomicU32,
should_fail: AtomicBool,
error_kind: StubErrorKind,
/// Optional fault injector for fine-grained failure control.
/// When set, takes precedence over the `should_fail` / `error_kind` fields.
fault_injector: Option<Arc<fault_injection::FaultInjector>>,
}
impl StubLlm {
@@ -95,6 +100,7 @@ impl StubLlm {
call_count: AtomicU32::new(0),
should_fail: AtomicBool::new(false),
error_kind: StubErrorKind::Transient,
fault_injector: None,
}
}
@@ -106,6 +112,7 @@ impl StubLlm {
call_count: AtomicU32::new(0),
should_fail: AtomicBool::new(true),
error_kind: StubErrorKind::Transient,
fault_injector: None,
}
}
@@ -117,6 +124,7 @@ impl StubLlm {
call_count: AtomicU32::new(0),
should_fail: AtomicBool::new(true),
error_kind: StubErrorKind::NonTransient,
fault_injector: None,
}
}
@@ -131,11 +139,39 @@ impl StubLlm {
self.call_count.load(Ordering::Relaxed)
}
/// Attach a fault injector for fine-grained failure control.
///
/// When set, the injector's `next_action()` is consulted on every call,
/// taking precedence over the `should_fail` / `error_kind` fields.
pub fn with_fault_injector(mut self, injector: Arc<fault_injection::FaultInjector>) -> Self {
self.fault_injector = Some(injector);
self
}
/// Toggle whether calls should fail at runtime.
pub fn set_failing(&self, fail: bool) {
self.should_fail.store(fail, Ordering::Relaxed);
}
/// Check the fault injector or should_fail flag, returning an error if
/// the call should fail, or None if it should succeed.
async fn check_faults(&self) -> Option<LlmError> {
if let Some(ref injector) = self.fault_injector {
match injector.next_action() {
fault_injection::FaultAction::Fail(fault) => {
return Some(fault.to_llm_error(&self.model_name));
}
fault_injection::FaultAction::Delay(duration) => {
tokio::time::sleep(duration).await;
}
fault_injection::FaultAction::Succeed => {}
}
} else if self.should_fail.load(Ordering::Relaxed) {
return Some(self.make_error());
}
None
}
fn make_error(&self) -> LlmError {
match self.error_kind {
StubErrorKind::Transient => LlmError::RequestFailed {
@@ -168,8 +204,8 @@ impl LlmProvider for StubLlm {
async fn complete(&self, _request: CompletionRequest) -> Result<CompletionResponse, LlmError> {
self.call_count.fetch_add(1, Ordering::Relaxed);
if self.should_fail.load(Ordering::Relaxed) {
return Err(self.make_error());
if let Some(err) = self.check_faults().await {
return Err(err);
}
Ok(CompletionResponse {
content: self.response.clone(),
@@ -186,8 +222,8 @@ impl LlmProvider for StubLlm {
_request: ToolCompletionRequest,
) -> Result<ToolCompletionResponse, LlmError> {
self.call_count.fetch_add(1, Ordering::Relaxed);
if self.should_fail.load(Ordering::Relaxed) {
return Err(self.make_error());
if let Some(err) = self.check_faults().await {
return Err(err);
}
Ok(ToolCompletionResponse {
content: Some(self.response.clone()),
@@ -456,6 +492,7 @@ impl TestHarnessBuilder {
http_interceptor: None,
transcription: None,
document_extraction: None,
builder: None,
};
TestHarness {
@@ -1508,4 +1545,29 @@ mod tests {
.await
.expect("update actuals");
}
#[tokio::test]
async fn stub_llm_fault_injector_sequence() {
use crate::llm::LlmProvider;
use crate::testing::fault_injection::{FaultAction, FaultInjector, FaultType};
let injector = Arc::new(FaultInjector::sequence([
FaultAction::Fail(FaultType::RateLimited { retry_after: None }),
FaultAction::Succeed,
]));
let stub = StubLlm::new("hello").with_fault_injector(injector);
let req = crate::llm::CompletionRequest::new(vec![crate::llm::ChatMessage::user("hi")]);
// First call should fail with RateLimited
let result = stub.complete(req.clone()).await;
assert!(result.is_err());
assert!(matches!(result.unwrap_err(), LlmError::RateLimited { .. }));
// Second call should succeed
let result = stub.complete(req).await;
assert!(result.is_ok());
assert_eq!(result.unwrap().content, "hello");
}
}
+8 -5
View File
@@ -13,7 +13,9 @@ use crate::orchestrator::job_manager::ContainerJobManager;
use crate::secrets::SecretsStore;
use crate::skills::catalog::SkillCatalog;
use crate::skills::registry::SkillRegistry;
use crate::tools::builder::{BuildSoftwareTool, BuilderConfig, LlmSoftwareBuilder};
use crate::tools::builder::{
BuildSoftwareTool, BuilderConfig, LlmSoftwareBuilder, SoftwareBuilder,
};
use crate::tools::builtin::{
ApplyPatchTool, CancelJobTool, CreateJobTool, EchoTool, ExtensionInfoTool, HttpTool,
JobEventsTool, JobPromptTool, JobStatusTool, JsonTool, ListDirTool, ListJobsTool,
@@ -576,22 +578,23 @@ impl ToolRegistry {
self: &Arc<Self>,
llm: Arc<dyn LlmProvider>,
config: Option<BuilderConfig>,
) {
) -> Arc<dyn SoftwareBuilder> {
// First register dev tools needed by the builder
self.register_dev_tools();
// Create the builder (arg order: config, llm, tools)
let builder = Arc::new(LlmSoftwareBuilder::new(
let builder: Arc<dyn SoftwareBuilder> = Arc::new(LlmSoftwareBuilder::new(
config.unwrap_or_default(),
llm,
Arc::clone(self),
));
// Register the build_software tool
self.register(Arc::new(BuildSoftwareTool::new(builder)))
self.register(Arc::new(BuildSoftwareTool::new(Arc::clone(&builder))))
.await;
tracing::debug!("Registered software builder tool");
tracing::info!("Registered software builder tool");
builder
}
/// Register a WASM tool from bytes.
@@ -34,8 +34,9 @@ _TELEGRAM_ACTIVE = {
async def go_to_extensions(page):
await page.locator(SEL["tab_button"].format(tab="extensions")).click()
await page.locator(SEL["tab_panel"].format(tab="extensions")).wait_for(
await page.locator(SEL["tab_button"].format(tab="settings")).click()
await page.locator(SEL["settings_subtab"].format(subtab="extensions")).click()
await page.locator(SEL["settings_subpanel"].format(subtab="extensions")).wait_for(
state="visible", timeout=5000
)
await page.locator(
+1
View File
@@ -198,6 +198,7 @@ mod tests {
http_interceptor: None,
transcription: None,
document_extraction: None,
builder: None,
};
let gateway = Arc::new(TestChannel::new());
@@ -257,6 +257,7 @@ impl GatewayWorkflowHarness {
http_interceptor: None,
transcription: None,
document_extraction: None,
builder: None,
},
channels,
None,
+1
View File
@@ -642,6 +642,7 @@ impl TestRigBuilder {
},
transcription: None,
document_extraction: None,
builder: None,
};
// 7. Create TestChannel and ChannelManager.