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/*
* vdr-vodcatcher - A plugin for the Linux Video Disk Recorder
* Copyright (c) 2007 - 2009 Tobias Grimm <vdr@e-tobi.net>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program 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 General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <time.h>
#include <sstream>
#include <cxxtest/TestSuite.h>
#include "LocalFileCache.h"
#include "SdbmHashCalculator.h"
#include "values.h"
#include <stdlib.h>
using namespace std;
namespace
{
const string CacheDir("test.cache");
class An_empty_LocalFileCache: public CxxTest::TestSuite
{
private:
RefPtr<LocalFileCache> _localFileCache;
private:
void CreateCachedFile(string fileName, long age)
{
string cachedFileName = SdbmHashCalculator::Calculate(fileName);
time_t fileTime = time(NULL) - age * 60;
struct tm *timeComponents = localtime(&fileTime);
char formattedTime[11];
strftime(formattedTime, 11, "%y%m%d%H%M", timeComponents);
string touchCommand = string("touch -t ") + formattedTime + " " +
CacheDir + "/" + cachedFileName;
system(touchCommand.c_str());
}
public:
void setUp()
{
system(("rm -rf " + CacheDir).c_str());
system(("mkdir " + CacheDir).c_str());
_localFileCache = new LocalFileCache(CacheDir);
}
void tearDown()
{
system(("rm -rf " + CacheDir).c_str());
}
void Should_not_return_any_data()
{
TS_ASSERT(NULL == _localFileCache->CreateStreamByUrl("foo://bar").get());
}
void Should_return_the_data_put_into_the_cache()
{
stringstream input("foo");
_localFileCache->Put(input, "http://foo");
RefPtr<istream> output = _localFileCache->CreateStreamByUrl("http://foo");
TS_ASSERT(NULL != output.get());
stringstream outputStr;
outputStr << output->rdbuf();
TS_ASSERT_EQUALS(input.str(), outputStr.str());
}
void Should_return_different_data_by_different_urls()
{
stringstream input1("foo");
stringstream input2("bar");
_localFileCache->Put(input1, "http://foo/baz");
_localFileCache->Put(input2, "http://bar/baz");
stringstream output1;
stringstream output2;
output1 << _localFileCache->CreateStreamByUrl("http://foo/baz")->rdbuf();
output2 << _localFileCache->CreateStreamByUrl("http://bar/baz")->rdbuf();
TS_ASSERT_EQUALS(input1.str(), output1.str());
TS_ASSERT_EQUALS(input2.str(), output2.str());
}
void Should_return_the_age_of_an_existing_entry_in_minutes()
{
CreateCachedFile("testFile", 5);
TS_ASSERT_EQUALS(5, _localFileCache->GetAgeInMinutes("testFile"));
}
void Should_return_the_maximum_age_for_a_non_existing_entry_in_minutes()
{
TS_ASSERT_EQUALS(MAXLONG, _localFileCache->GetAgeInMinutes("testFile"));
}
void Should_tell_if_a_file_is_cached()
{
TS_ASSERT(!_localFileCache->IsCached("testFile"));
CreateCachedFile("testFile", 0);
TS_ASSERT(_localFileCache->IsCached("testFile"));
}
void Should_not_clean_up_younger_files()
{
CreateCachedFile("testFile1", 5); // 5 minutes
CreateCachedFile("testFile2", 5 * 60 * 24); // 5 days
TS_ASSERT(_localFileCache->IsCached("testFile1"));
TS_ASSERT(_localFileCache->IsCached("testFile2"));
_localFileCache->CleanUp(10);
TS_ASSERT(_localFileCache->IsCached("testFile1"));
TS_ASSERT(_localFileCache->IsCached("testFile2"));
}
void Should_clean_up_older_files()
{
CreateCachedFile("testFile1", 5 * 60 * 24); // 5 days
CreateCachedFile("testFile2", 10 * 60 * 24); // 10 days
TS_ASSERT(_localFileCache->IsCached("testFile1"));
TS_ASSERT(_localFileCache->IsCached("testFile2"));
_localFileCache->CleanUp(10);
TS_ASSERT(_localFileCache->IsCached("testFile1"));
TS_ASSERT(!_localFileCache->IsCached("testFile2"));
}
void Should_delete_a_file_if_it_can_not_be_written_successfully()
{
// TODO: Any ideas how to test this?
}
};
};
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