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/* Copyright (C) 2014 The libxml++ development team
*
* This file is part of libxml++.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <libxml++/libxml++.h>
#include <iostream>
#include <cstdlib>
#include <exception>
class Tests
{
public:
virtual ~Tests() {}
protected:
template<typename RefType, typename ValueType>
void assert_equal(const RefType& reference, const ValueType& value, const std::string& msg);
template<typename RefType, typename ValueType>
void assert_not_equal(const RefType& reference, const ValueType& value, const std::string& msg);
template <typename RefType, typename ValueType>
void fail(const RefType& reference, const ValueType& value, const std::string& msg);
};
class fail_exception : public std::exception
{
public:
fail_exception(const std::string& msg) : msg_(msg) {}
~fail_exception() noexcept override {}
const char* what() const noexcept override { return msg_.c_str(); }
private:
std::string msg_;
};
////////////////////////////////////////////////////////////////////////////////
class TestNamespace : public Tests
{
public:
TestNamespace();
void test_create_new_node_with_default_namespace();
void test_create_new_node_using_existing_namespace_prefix();
private:
void setup(const std::string& filename);
xmlpp::Node::PrefixNsMap nsmap_;
xmlpp::DomParser parser_;
xmlpp::Element* root_;
};
TestNamespace::TestNamespace()
:
root_(nullptr)
{
nsmap_["ns0"] = "http://default.namespace/root";
nsmap_["ns1"] = "http://default.namespace/child";
}
void TestNamespace::setup(const std::string& filename)
{
parser_.set_throw_messages(true);
parser_.set_substitute_entities(true);
parser_.parse_file(filename);
auto document = parser_.get_document();
root_ = document->get_root_node();
}
void TestNamespace::test_create_new_node_with_default_namespace()
{
const auto filename = "example1.xml";
setup(filename);
// Check original document
assert_equal(1, root_->find("/ns0:root/ns0:child", nsmap_).size(),
"Input file should have one child in default namespace");
assert_equal(0, root_->find("/ns0:root/ns1:child", nsmap_).size(),
"Input file shouldn't have any child in alternate default namespace");
// Add child nodes in default namespace and check document again
auto child = root_->add_child("child");
child->set_namespace_declaration(nsmap_["ns1"], "");
root_->add_child_text("\n");
root_->add_child_with_new_ns("child", nsmap_["ns1"]);
root_->add_child_text("\n");
std::cout << " File " << filename << " after modification" << std::endl
<< parser_.get_document()->write_to_string_formatted() << std::endl;
// Here we should have three child nodes in two different namespaces
assert_equal(1, root_->find("/ns0:root/ns0:child", nsmap_).size(),
"Updated input file should have one child in default namespace");
assert_equal(2, root_->find("/ns0:root/ns1:child", nsmap_).size(),
"Updated input file should have two children in alternate default namespace");
}
void TestNamespace::test_create_new_node_using_existing_namespace_prefix()
{
const auto filename = "example2.xml";
setup(filename);
// Check original document
assert_equal(1, root_->find("/ns0:root/ns0:child", nsmap_).size(),
"Input file should have one child in root namespace");
assert_equal(0, root_->find("/ns0:root/ns1:child", nsmap_).size(),
"Input file shouldn't have any child in child namespace");
// Add child nodes with specific namespace and check document again
auto child = root_->add_child("child", "ns0");
child->set_namespace_declaration(nsmap_["ns1"], "");
root_->add_child_text("\n");
root_->add_child_with_new_ns("child", nsmap_["ns1"]);
root_->add_child_text("\n");
root_->add_child_with_new_ns("child", nsmap_["ns1"], "ns3");
root_->add_child_text("\n");
std::cout << " File " << filename << " after modification" << std::endl
<< parser_.get_document()->write_to_string_formatted() << std::endl;
// Here we should have four child nodes in two different namespaces
assert_equal(2, root_->find("/ns0:root/ns0:child", nsmap_).size(),
"Updated input file should have two children in root namespace");
assert_equal(2, root_->find("/ns0:root/ns1:child", nsmap_).size(),
"Updated input file should have two children in child namespace");
}
////////////////////////////////////////////////////////////////////////////////
template <typename RefType, typename ValueType>
void Tests::assert_equal(const RefType& reference, const ValueType& value, const std::string& msg)
{
if (ValueType(reference) == value) return;
fail(reference, value, msg);
}
template <typename RefType, typename ValueType>
void Tests::assert_not_equal(const RefType& reference, const ValueType& value, const std::string& msg)
{
if (ValueType(reference) != value) return;
fail(reference, value, msg);
}
template <typename RefType, typename ValueType>
void Tests::fail(const RefType& reference, const ValueType& value, const std::string& msg)
{
std::stringstream error;
error << msg << " (reference: " << reference << ", found: " << value << ")";
throw fail_exception(error.str());
}
////////////////////////////////////////////////////////////////////////////////
int
main(int /* argc */, char** /* argv */)
{
// Set the global C and C++ locale to the user-configured locale,
// so we can use std::cout with UTF-8, via Glib::ustring, without exceptions.
std::locale::global(std::locale(""));
TestNamespace tests;
try
{
tests.test_create_new_node_with_default_namespace();
tests.test_create_new_node_using_existing_namespace_prefix();
}
catch (const std::exception& ex)
{
std::cerr << "Exception caught: " << ex.what() << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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