shaka-packager/packager/mpd/test/xml_compare.h

69 lines
2.2 KiB
C++

#ifndef MPD_TEST_XML_COMPARE_H_
#define MPD_TEST_XML_COMPARE_H_
#include <gmock/gmock.h>
#include <libxml/tree.h>
#include <string>
#include <optional>
#include "packager/mpd/base/xml/scoped_xml_ptr.h"
#include "packager/mpd/base/xml/xml_node.h"
namespace shaka {
/// Checks whether the XMLs are equivalent. An XML schema can specify strict
/// ordering of children and MPD does. These functions are currently tuned to
/// compare subsets of MPD. Therefore this function requires strict ordering of
/// the child elements of an element. Attributes can be in any order since XML
/// cannot enforce ordering of attributes.
/// @param xml1 is compared against @a xml2.
/// @param xml2 is compared against @a xml1.
/// @return true if @a xml1 and @a xml2 are equivalent, false otherwise.
bool XmlEqual(const std::string& xml1, const std::string& xml2);
bool XmlEqual(const std::string& xml1, const xml::XmlNode& xml2);
bool XmlEqual(const std::string& xml1, const std::optional<xml::XmlNode>& xml2);
/// Get string representation of the xml node.
std::string XmlNodeToString(const xml::XmlNode& xml_node);
std::string XmlNodeToString(const std::optional<xml::XmlNode>& xml_node);
/// Match an xmlNodePtr with an xml in string representation.
MATCHER_P(XmlNodeEqual,
xml,
std::string("xml node equal (ignore extra white spaces)\n") + xml) {
*result_listener << "\n" << XmlNodeToString(arg);
return XmlEqual(xml, arg);
}
/// Match the attribute of an xmlNodePtr with expected value.
/// Note that the ownership is not transferred.
MATCHER_P2(AttributeEqual, attribute, expected_value, "") {
if (!arg) {
*result_listener << "returned error";
return false;
}
std::string actual_value;
if (!arg->GetAttribute(attribute, &actual_value)) {
*result_listener << "no attribute '" << attribute << "'";
return false;
}
*result_listener << actual_value;
return expected_value == actual_value;
}
/// Check if the attribute is set in an xmlNodePtr.
/// Note that the ownership is not transferred.
MATCHER_P(AttributeSet, attribute, "") {
if (!arg) {
*result_listener << "returned error";
return false;
}
std::string unused;
return arg->GetAttribute(attribute, &unused);
}
} // namespace shaka
#endif // MPD_TEST_XML_COMPARE_H_