still working

internal/infra/osexec/fakerunner.go

@@ -0,0 +1,27 @@
+package osexec
+
+import (
+	"context"
+	"time"
+)
+
+// FakeRunner is a test-friendly Runner that returns pre-determined values, supports delays, and can simulate timeouts.
+type FakeRunner struct {
+	Stdout   string
+	Stderr   string
+	ExitCode int
+	Delay    time.Duration
+	Err      error
+}
+
+func (f *FakeRunner) Run(ctx context.Context, name string, args ...string) (string, string, int, error) {
+	if f.Delay > 0 {
+		select {
+		case <-time.After(f.Delay):
+		case <-ctx.Done():
+			// Pass through context error
+			return "", "", -1, ctx.Err()
+		}
+	}
+	return f.Stdout, f.Stderr, f.ExitCode, f.Err
+}