Add tests for main package, manager, and various components

- Introduced unit tests for the main package to ensure compilation.
- Added tests for the manager, including validation of upload sessions and handling of Blender binary paths.
- Implemented tests for job token generation and validation, ensuring security and integrity.
- Created tests for configuration management and database schema to verify functionality.
- Added tests for logger and runner components to enhance overall test coverage and reliability.

pkg/executils/exec_test.go

@@ -4,7 +4,9 @@ import (
 	"errors"
 	"io"
 	"os"
+	"os/exec"
 	"testing"
+	"time"
 )
 
 func TestIsBenignPipeReadError(t *testing.T) {
@@ -30,3 +32,24 @@ func TestIsBenignPipeReadError(t *testing.T) {
 		})
 	}
 }
+
+func TestProcessTracker_TrackUntrack(t *testing.T) {
+	pt := NewProcessTracker()
+	cmd := exec.Command("sh", "-c", "sleep 1")
+	pt.Track(1, cmd)
+	if count := pt.Count(); count != 1 {
+		t.Fatalf("Count() = %d, want 1", count)
+	}
+	pt.Untrack(1)
+	if count := pt.Count(); count != 0 {
+		t.Fatalf("Count() = %d, want 0", count)
+	}
+}
+
+func TestRunCommandWithTimeout_TimesOut(t *testing.T) {
+	pt := NewProcessTracker()
+	_, err := RunCommandWithTimeout(200*time.Millisecond, "sh", []string{"-c", "sleep 2"}, "", nil, 99, pt)
+	if err == nil {
+		t.Fatal("expected timeout error")
+	}
+}