xmlparsertestcase.cpp

在Linux C++中解析XML文件 能够创建文件

#include "XMLParserTestCase.h"
#include <iostream>

#include "libxml/parser.h"
#include "libxml/xpath.h"
#include "Log.h"
#include "XMLParserException.h"

using namespace std;
using namespace Davis;

CPPUNIT_TEST_SUITE_REGISTRATION( XMLParserTestCase );

XMLParserTestCase::XMLParserTestCase()
{
}

XMLParserTestCase::~XMLParserTestCase()
{
}

void XMLParserTestCase::CreateXMLFile()
{
	xmlDocPtr doc = xmlNewDoc(BAD_CAST"1.0");
	xmlNodePtr root_node = xmlNewNode(NULL,BAD_CAST"root");
	xmlDocSetRootElement(doc,root_node);
	
	xmlNodePtr node = xmlNewNode(NULL, BAD_CAST "Printers");
	xmlAddChild(root_node,node);
	
	xmlNodePtr printer1 = xmlNewNode(NULL, BAD_CAST "Printer1");
	xmlAddChild(node,printer1);
	xmlNodePtr port1 = xmlNewNode(NULL, BAD_CAST "Port");
	xmlNodePtr port1_content = xmlNewText(BAD_CAST"123");
	xmlAddChild(printer1,port1);
	xmlAddChild(port1,port1_content);
	xmlNewProp(port1,BAD_CAST"name",BAD_CAST "Port1");
	
	xmlNodePtr printer2 = xmlNewNode(NULL, BAD_CAST "Printer2");
	xmlAddChild(node,printer2);	
	xmlNodePtr port2 = xmlNewNode(NULL, BAD_CAST "Port");
	xmlNodePtr port2_content = xmlNewText(BAD_CAST"456");
	xmlAddChild(printer2,port2);
	xmlAddChild(port2,port2_content);
	xmlNewProp(port2,BAD_CAST"name",BAD_CAST "Port2");
	
	xmlNodePtr printer3 = xmlNewNode(NULL, BAD_CAST "Printer3");
	xmlAddChild(node,printer3);	
	xmlNodePtr port3 = xmlNewNode(NULL, BAD_CAST "Port");
	xmlNodePtr port3_content = xmlNewText(BAD_CAST"789");
	xmlAddChild(printer3,port3);
	xmlAddChild(port3,port3_content);
	xmlNewProp(port3,BAD_CAST"name",BAD_CAST "Port3");
	
	int nRel = xmlSaveFormatFileEnc("XPathConfig.xml",doc,"UTF-8",1);
	if (nRel != -1)
	{
		Log::log.info("Save xml file successfully.");
	}
	else {
		Log::log.error("Fail to save xml file.");
	}
}

void XMLParserTestCase::setUp()
{
	CreateXMLFile();
}

void XMLParserTestCase::tearDown()
{
	delete xmlConfig;
} 

void XMLParserTestCase::testOpen()
{
	try {
	 xmlConfig = CXMLConfig::Open("XPathConfig.xml");
	}
	catch(XMLParserException &e) {
		CPPUNIT_FAIL(e.what());
	}
}

void XMLParserTestCase::testGetFieldValueByPath()
{
	xmlConfig = CXMLConfig::Open("XPathConfig.xml");
	string port1 = xmlConfig->GetFieldValueByPath("/root/Printers/Printer1/Port");
	string port2 = xmlConfig->GetFieldValueByPath("/root/Printers/Printer2/Port");
	CPPUNIT_ASSERT(port1 == "123");
	CPPUNIT_ASSERT(port2 == "456");
}

void XMLParserTestCase::testSave()
{
	xmlConfig = CXMLConfig::Open("XPathConfig.xml");
	
	xmlConfig->SetFieldValueByPath("789","/root/Printers/Printer1/Port");
	xmlConfig->SetFieldValueByPath("012","/root/Printers/Printer2/Port");
	
	xmlConfig->Save();
	string port1 = xmlConfig->GetFieldValueByPath("/root/Printers/Printer1/Port");
	string port2 = xmlConfig->GetFieldValueByPath("/root/Printers/Printer2/Port");
	CPPUNIT_ASSERT(port1 == "789");
	CPPUNIT_ASSERT(port2 == "012");
}

void XMLParserTestCase::testRemove()
{
	xmlConfig = CXMLConfig::Open("XPathConfig.xml");
	
	if(!xmlConfig->Remove("/root/Printers/Printer3"))
	{
		CPPUNIT_FAIL("Fail to remove node.");
	}
	
	try{
		xmlConfig->GetFieldValueByPath("/root/Printers/Printer3");
		CPPUNIT_FAIL("Should throw XMLParserException.");
	}
	catch(XMLParserException &e) {
	}
}