Fix testsuite

main_test.go

@@ -1,11 +1,44 @@
 package main
 
 import (
+	"flag"
 	"os"
 	"testing"
 )
 
-func TestBasicWorking(t *testing.T) {
-	os.Args = []string{"./videotranscoder", "-help"}
-	main()
+func TestParseCliArguments(t *testing.T) {
+	// Save original command-line arguments and defer their restoration
+	oldArgs := os.Args
+	defer func() { os.Args = oldArgs }()
+
+	// Simulate command-line arguments
+	os.Args = []string{"cmd", "-source", "/some/source", "-target", "/some/target"}
+	flag.CommandLine = flag.NewFlagSet(os.Args[0], flag.ExitOnError) // Reset flags
+
+	// Run the function and recover from os.Exit
+	exitCode := runTestWithoutExit(t, func() {
+		parseCliArguments() // You can call main() here if needed.
+	})
+
+	if exitCode != 0 {
+		t.Errorf("Unexpected exit code: %d", exitCode)
+	}
+}
+
+func runTestWithoutExit(t *testing.T, f func()) (exitCode int) {
+	// Capture calls to os.Exit
+	defer func() {
+		if r := recover(); r != nil {
+			if code, ok := r.(int); ok {
+				exitCode = code
+			} else {
+				t.Errorf("Unexpected panic: %v", r)
+			}
+		}
+	}()
+
+	// Run the function that might call os.Exit()
+	f()
+
+	return 0 // No exit, return 0 as the default "exit code"
 }