Tests: add util functions

add vector_to_string<T>()
add print_exception() - to print nested exceptions

test/framework/utils.cc

@@ -160,6 +160,18 @@ namespace pEp {
 
                 return builder.str();
             }
+
+            void print_exception(const exception& e, int level)
+            {
+                cerr << string(level, ' ') << "exception: " << e.what() << endl;
+                try {
+                    rethrow_if_nested(e);
+                } catch (const exception& e) {
+                    print_exception(e, level + 1);
+                } catch (...) {
+                }
+            }
+
         } // namespace Utils
     }     // namespace Test
 } // namespace pEp

test/framework/utils.hh

@@ -8,6 +8,7 @@
 #include <pEp/message.h>
 #include <pEp/identity_list.h>
 #include <pEp/group.h>
+#include <exception>
 
 namespace pEp {
     namespace Test {
@@ -21,7 +22,15 @@ namespace pEp {
             std::string member_to_string(::pEp_member *member, bool full = true, int indent = 0);
             std::string memberlist_to_string(::member_list *mbl, bool full = true, int indent = 0);
             std::string group_to_string(::pEp_group *group, bool full = true, int indent = 0);
+
+            template<typename T>
+            std::string vector_to_string(std::vector<T> v);
+
+            void print_exception(const std::exception& e, int level = 0);
         }
     } // namespace Test
 } // namespace pEp
-#endif
+
+#include "utils.hxx"
+
+#endif // LIBPEPADAPTER_UTILS_HH

test/framework/utils.hxx

@@ -0,0 +1,24 @@
+// This file is under GNU General Public License 3.0
+// see LICENSE.txt
+
+#ifndef LIBPEPADAPTER_UTILS_HXX
+#define LIBPEPADAPTER_UTILS_HXX
+
+#include <sstream>
+
+namespace pEp {
+    namespace Test {
+        namespace Utils {
+            template<typename T>
+            std::string vector_to_string(std::vector<T> v)
+            {
+                std::stringstream ss;
+                for (const T& elem : v) {
+                    ss << elem << std::endl;
+                }
+                return ss.str();
+            }
+        }
+    } // namespace Test
+} // namespace pEp
+#endif // LIBPEPADAPTER_UTILS_HXX