//
// FileTest.cpp
//
// $Id: //poco/1.2/Foundation/testsuite/src/FileTest.cpp#3 $
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
// 
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//


#include "FileTest.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
#include "Poco/File.h"
#include "Poco/TemporaryFile.h"
#include "Poco/Path.h"
#include "Poco/Exception.h"
#include "Poco/Thread.h"
#include <fstream>
#include <set>


using Poco::File;
using Poco::TemporaryFile;
using Poco::Path;
using Poco::Exception;
using Poco::Timestamp;
using Poco::Thread;


FileTest::FileTest(const std::string& name): CppUnit::TestCase(name)
{
}


FileTest::~FileTest()
{
}


void FileTest::testFileAttributes1()
{
	File f("testfile.dat");
	assert (!f.exists());
	
	try
	{
		bool flag = f.canRead();
		failmsg("file does not exist - must throw exception");
	}
	catch (Exception&)
	{
	}

	try
	{
		bool flag = f.canWrite();
		failmsg("file does not exist - must throw exception");
	}
	catch (Exception&)
	{
	}

	try
	{
		bool flag = f.isFile();
		failmsg("file does not exist - must throw exception");
	}
	catch (Exception&)
	{
	}

	try
	{
		bool flag = f.isDirectory();
		failmsg("file does not exist - must throw exception");
	}
	catch (Exception&)
	{
	}

	try
	{
		Timestamp ts = f.created();
		failmsg("file does not exist - must throw exception");
	}
	catch (Exception&)
	{
	}

	try
	{
		Timestamp ts = f.getLastModified();
		failmsg("file does not exist - must throw exception");
	}
	catch (Exception&)
	{
	}

	try
	{
		Timestamp ts;
		f.setLastModified(ts);
		failmsg("file does not exist - must throw exception");
	}
	catch (Exception&)
	{
	}

	try
	{
		File::FileSize fs = f.getSize();
		failmsg("file does not exist - must throw exception");
	}
	catch (Exception&)
	{
	}

	try
	{
		f.setSize(0);
		failmsg("file does not exist - must throw exception");
	}
	catch (Exception&)
	{
	}

	try
	{
		f.setWriteable();
		failmsg("file does not exist - must throw exception");
	}
	catch (Exception&)
	{
	}

	try
	{
		f.setReadOnly();
		failmsg("file does not exist - must throw exception");
	}
	catch (Exception&)
	{
	}

	try
	{
		f.copyTo("copy.dat");
		failmsg("file does not exist - must throw exception");
	}
	catch (Exception&)
	{
	}

	try
	{
		f.moveTo("copy.dat");
		failmsg("file does not exist - must throw exception");
	}
	catch (Exception&)
	{
	}

	try
	{
		f.renameTo("copy.dat");
		failmsg("file does not exist - must throw exception");
	}
	catch (Exception&)
	{
	}

	try
	{
		f.remove();
		failmsg("file does not exist - must throw exception");
	}
	catch (Exception&)
	{
	}
}


void FileTest::testCreateFile()
{
	File f("testfile.dat");
	bool created = f.createFile();
	assert (created);
	created = f.createFile();
	assert (!created);
}


void FileTest::testFileAttributes2()
{
	TemporaryFile f;
	bool created = f.createFile();
	Timestamp ts;
	assert (created);
	
	assert (f.exists());
	assert (f.canRead());
	assert (f.canWrite());
	assert (f.isFile());
	assert (!f.isDirectory());
	Timestamp tsc = f.created();
	Timestamp tsm = f.getLastModified();
	assert (tsc - ts >= -2000000 && tsc - ts <= 2000000);
	assert (tsm - ts >= -2000000 && tsm - ts <= 2000000);
	
	f.setWriteable(false);
	assert (!f.canWrite());
	assert (f.canRead());

	f.setReadOnly(false);	
	assert (f.canWrite());
	assert (f.canRead());
	
	ts = Timestamp::fromEpochTime(1000000);
	f.setLastModified(ts);
	assert (f.getLastModified() == ts);
}


void FileTest::testCompare()
{
	File f1("abc.txt");
	File f2("def.txt");
	File f3("abc.txt");
	
	assert (f1 == f3);
	assert (!(f1 == f2));
	assert (f1 != f2);
	assert (!(f1 != f3));
	assert (!(f1 == f2));
	assert (f1 < f2);
	assert (f1 <= f2);
	assert (!(f2 < f1));
	assert (!(f2 <= f1));
	assert (f2 > f1);
	assert (f2 >= f1);
	assert (!(f1 > f2));
	assert (!(f1 >= f2));
	
	assert (f1 <= f3);
	assert (f1 >= f3);
}


void FileTest::testRootDir()
{
#if defined(POCO_OS_FAMILY_WINDOWS)
	File f1("/");
	File f2("c:/");
	File f3("c:\\");
	File f4("\\");
	assert (f1.exists());
	assert (f2.exists());
	assert (f3.exists());
	assert (f4.exists());
#else
	File f1("/");
	assert (f1.exists());
#endif
}


void FileTest::testSwap()
{
	File f1("abc.txt");
	File f2("def.txt");
	f1.swap(f2);
	assert (f1.path() == "def.txt");
	assert (f2.path() == "abc.txt");
}


void FileTest::testSize()
{
	std::ofstream ostr("testfile.dat");
	ostr << "Hello, world!" << std::endl;
	ostr.close();
	File f("testfile.dat");
	assert (f.getSize() > 0);
	f.setSize(0);
	assert (f.getSize() == 0);
}


void FileTest::testDirectory()
{
	File d("testdir");
	try
	{
		d.remove(true);
	}
	catch (...)
	{
	}
	TemporaryFile::registerForDeletion("testdir");
	
	bool created = d.createDirectory();
	assert (created);
	assert (d.isDirectory());
	assert (!d.isFile());
	std::vector<std::string> files;
	d.list(files);
	assert (files.empty());
	
	File f = Path("testdir/file1", Path::PATH_UNIX);
	f.createFile();
	f = Path("testdir/file2", Path::PATH_UNIX);
	f.createFile();
	f = Path("testdir/file3", Path::PATH_UNIX);
	f.createFile();
	
	d.list(files);
	assert (files.size() == 3);
	
	std::set<std::string> fs;
	fs.insert(files.begin(), files.end());
	assert (fs.find("file1") != fs.end());
	assert (fs.find("file2") != fs.end());
	assert (fs.find("file3") != fs.end());
	
	File dd(Path("testdir/testdir2/testdir3", Path::PATH_UNIX));
	dd.createDirectories();
	assert (dd.exists());
	assert (dd.isDirectory());

	File ddd(Path("testdir/testdirB/testdirC/testdirD", Path::PATH_UNIX));
	ddd.createDirectories();
	assert (ddd.exists());
	assert (ddd.isDirectory());
	
	d.remove(true);
}


void FileTest::testCopy()
{
	std::ofstream ostr("testfile.dat");
	ostr << "Hello, world!" << std::endl;
	ostr.close();

	File f1("testfile.dat");
	TemporaryFile f2;
	f1.copyTo(f2.path());
	assert (f2.exists());
	assert (f1.getSize() == f2.getSize());
}


void FileTest::testMove()
{
	std::ofstream ostr("testfile.dat");
	ostr << "Hello, world!" << std::endl;
	ostr.close();

	File f1("testfile.dat");
	File::FileSize sz = f1.getSize();
	TemporaryFile f2;
	f1.moveTo(f2.path());
	assert (f2.exists());
	assert (f2.getSize() == sz);
	assert (f1.exists());
	assert (f1 == f2);
}


void FileTest::testRename()
{
	std::ofstream ostr("testfile.dat");
	ostr << "Hello, world!" << std::endl;
	ostr.close();

	File f1("testfile.dat");
	File f2("testfile2.dat");
	f1.renameTo(f2.path());

	assert (f2.exists());
	assert (f1.exists());
	assert (f1 == f2);
	
	f2.remove();
}


void FileTest::setUp()
{
	File f("testfile.dat");
	try
	{
		f.remove();
	}
	catch (...)
	{
	}
}


void FileTest::tearDown()
{
	File f("testfile.dat");
	try
	{
		f.remove();
	}
	catch (...)
	{
	}
}


CppUnit::Test* FileTest::suite()
{
	CppUnit::TestSuite* pSuite = new CppUnit::TestSuite("FileTest");

	CppUnit_addTest(pSuite, FileTest, testFileAttributes1);
	CppUnit_addTest(pSuite, FileTest, testFileAttributes2);
	CppUnit_addTest(pSuite, FileTest, testCompare);
	CppUnit_addTest(pSuite, FileTest, testSwap);
	CppUnit_addTest(pSuite, FileTest, testSize);
	CppUnit_addTest(pSuite, FileTest, testDirectory);
	CppUnit_addTest(pSuite, FileTest, testCopy);
	CppUnit_addTest(pSuite, FileTest, testMove);
	CppUnit_addTest(pSuite, FileTest, testRename);
	CppUnit_addTest(pSuite, FileTest, testRootDir);

	return pSuite;
}