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package executor
import (
"context"
"fmt"
"log/slog"
"os"
"path/filepath"
"sync"
"testing"
"time"
"github.com/claudomator/claudomator/internal/storage"
"github.com/claudomator/claudomator/internal/task"
)
// mockRunner implements Runner for testing.
type mockRunner struct {
mu sync.Mutex
calls int
delay time.Duration
err error
exitCode int
}
func (m *mockRunner) Run(ctx context.Context, t *task.Task, e *storage.Execution) error {
m.mu.Lock()
m.calls++
m.mu.Unlock()
if m.delay > 0 {
select {
case <-time.After(m.delay):
case <-ctx.Done():
return ctx.Err()
}
}
if m.err != nil {
e.ExitCode = m.exitCode
return m.err
}
return nil
}
func (m *mockRunner) callCount() int {
m.mu.Lock()
defer m.mu.Unlock()
return m.calls
}
func testStore(t *testing.T) *storage.DB {
t.Helper()
dbPath := filepath.Join(t.TempDir(), "test.db")
db, err := storage.Open(dbPath)
if err != nil {
t.Fatal(err)
}
t.Cleanup(func() { db.Close() })
return db
}
func makeTask(id string) *task.Task {
now := time.Now().UTC()
return &task.Task{
ID: id, Name: "Test " + id,
Claude: task.ClaudeConfig{Instructions: "test"},
Priority: task.PriorityNormal,
Retry: task.RetryConfig{MaxAttempts: 1, Backoff: "linear"},
Tags: []string{},
DependsOn: []string{},
State: task.StateQueued,
CreatedAt: now, UpdatedAt: now,
}
}
func TestPool_Submit_Success(t *testing.T) {
store := testStore(t)
runner := &mockRunner{}
logger := slog.New(slog.NewTextHandler(os.Stderr, &slog.HandlerOptions{Level: slog.LevelError}))
pool := NewPool(2, runner, store, logger)
tk := makeTask("ps-1")
store.CreateTask(tk)
if err := pool.Submit(context.Background(), tk); err != nil {
t.Fatalf("submit: %v", err)
}
result := <-pool.Results()
if result.Err != nil {
t.Errorf("expected no error, got: %v", result.Err)
}
if result.Execution.Status != "COMPLETED" {
t.Errorf("status: want COMPLETED, got %q", result.Execution.Status)
}
// Verify task state in DB.
got, _ := store.GetTask("ps-1")
if got.State != task.StateCompleted {
t.Errorf("task state: want COMPLETED, got %v", got.State)
}
}
func TestPool_Submit_Failure(t *testing.T) {
store := testStore(t)
runner := &mockRunner{err: fmt.Errorf("boom"), exitCode: 1}
logger := slog.New(slog.NewTextHandler(os.Stderr, &slog.HandlerOptions{Level: slog.LevelError}))
pool := NewPool(2, runner, store, logger)
tk := makeTask("pf-1")
store.CreateTask(tk)
pool.Submit(context.Background(), tk)
result := <-pool.Results()
if result.Err == nil {
t.Fatal("expected error")
}
if result.Execution.Status != "FAILED" {
t.Errorf("status: want FAILED, got %q", result.Execution.Status)
}
}
func TestPool_Submit_Timeout(t *testing.T) {
store := testStore(t)
runner := &mockRunner{delay: 5 * time.Second}
logger := slog.New(slog.NewTextHandler(os.Stderr, &slog.HandlerOptions{Level: slog.LevelError}))
pool := NewPool(2, runner, store, logger)
tk := makeTask("pt-1")
tk.Timeout.Duration = 50 * time.Millisecond
store.CreateTask(tk)
pool.Submit(context.Background(), tk)
result := <-pool.Results()
if result.Execution.Status != "TIMED_OUT" {
t.Errorf("status: want TIMED_OUT, got %q", result.Execution.Status)
}
}
func TestPool_Submit_Cancellation(t *testing.T) {
store := testStore(t)
runner := &mockRunner{delay: 5 * time.Second}
logger := slog.New(slog.NewTextHandler(os.Stderr, &slog.HandlerOptions{Level: slog.LevelError}))
pool := NewPool(2, runner, store, logger)
ctx, cancel := context.WithCancel(context.Background())
tk := makeTask("pc-1")
store.CreateTask(tk)
pool.Submit(ctx, tk)
time.Sleep(20 * time.Millisecond)
cancel()
result := <-pool.Results()
if result.Execution.Status != "CANCELLED" {
t.Errorf("status: want CANCELLED, got %q", result.Execution.Status)
}
}
func TestPool_AtCapacity(t *testing.T) {
store := testStore(t)
runner := &mockRunner{delay: time.Second}
logger := slog.New(slog.NewTextHandler(os.Stderr, &slog.HandlerOptions{Level: slog.LevelError}))
pool := NewPool(1, runner, store, logger)
tk1 := makeTask("cap-1")
store.CreateTask(tk1)
pool.Submit(context.Background(), tk1)
// Pool is at capacity, second submit should fail.
time.Sleep(10 * time.Millisecond) // let goroutine start
tk2 := makeTask("cap-2")
store.CreateTask(tk2)
err := pool.Submit(context.Background(), tk2)
if err == nil {
t.Fatal("expected capacity error")
}
<-pool.Results() // drain
}
func TestPool_ConcurrentExecution(t *testing.T) {
store := testStore(t)
runner := &mockRunner{delay: 50 * time.Millisecond}
logger := slog.New(slog.NewTextHandler(os.Stderr, &slog.HandlerOptions{Level: slog.LevelError}))
pool := NewPool(3, runner, store, logger)
for i := 0; i < 3; i++ {
tk := makeTask(fmt.Sprintf("cc-%d", i))
store.CreateTask(tk)
if err := pool.Submit(context.Background(), tk); err != nil {
t.Fatalf("submit %d: %v", i, err)
}
}
for i := 0; i < 3; i++ {
result := <-pool.Results()
if result.Execution.Status != "COMPLETED" {
t.Errorf("task %s: want COMPLETED, got %q", result.TaskID, result.Execution.Status)
}
}
if runner.callCount() != 3 {
t.Errorf("calls: want 3, got %d", runner.callCount())
}
}
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