improving lock mechanism for office conversion: now check if context has timeout when trying to acquire the lock + office printer test

test/internalpkg/printertest/printertest.go

@@ -0,0 +1,35 @@
+package printertest
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	"github.com/thecodingmachine/gotenberg/internal/pkg/xrand"
+)
+
+const testdataDirectoryPath string = "/gotenberg/tests/test/testdata"
+
+// GenerateDestination simply generates
+// a path for a resulting PDF file.
+func GenerateDestination() string {
+	return fmt.Sprintf("/tmp/%s.pdf", xrand.Get())
+}
+
+// OfficeFpaths return the paths
+// of the Office documents used in tests.
+func OfficeFpaths(t *testing.T) []string {
+	return []string{
+		fpath(t, "office", "document.docx"),
+		fpath(t, "office", "document.rtf"),
+		fpath(t, "office", "document.txt"),
+	}
+}
+
+func fpath(t *testing.T, kind, filename string) string {
+	require.NotEmpty(t, kind)
+	require.NotEmpty(t, filename)
+	fpath := fmt.Sprintf("%s/%s/%s", testdataDirectoryPath, kind, filename)
+	require.FileExists(t, fpath)
+	return fpath
+}