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#include "../../testing/testing.hpp"
#include "../file_container.hpp"
#include "../varint.hpp"
#include "../../base/string_utils.hpp"
UNIT_TEST(FilesContainer_Smoke)
{
string const fName = "file_container.tmp";
FileWriter::DeleteFileX(fName);
size_t const count = 10;
// fill container one by one
{
FilesContainerW writer(fName);
for (size_t i = 0; i < count; ++i)
{
FileWriter w = writer.GetWriter(strings::to_string(i));
for (uint32_t j = 0; j < i; ++j)
WriteVarUint(w, j);
}
writer.Finish();
}
// read container one by one
{
FilesContainerR reader(fName);
for (size_t i = 0; i < count; ++i)
{
FileReader r = reader.GetReader(strings::to_string(i));
ReaderSource<FileReader> src(r);
for (uint32_t j = 0; j < i; ++j)
{
uint32_t const test = ReadVarUint<uint32_t>(src);
TEST_EQUAL(j, test, ());
}
}
}
// append to container
uint32_t const arrAppend[] = { 666, 777, 888 };
for (size_t i = 0; i < ARRAY_SIZE(arrAppend); ++i)
{
{
FilesContainerW writer(fName, FileWriter::OP_APPEND);
FileWriter w = writer.GetWriter(strings::to_string(arrAppend[i]));
WriteVarUint(w, arrAppend[i]);
writer.Finish();
}
// read appended
{
FilesContainerR reader(fName);
FileReader r = reader.GetReader(strings::to_string(arrAppend[i]));
ReaderSource<FileReader> src(r);
uint32_t const test = ReadVarUint<uint32_t>(src);
TEST_EQUAL(arrAppend[i], test, ());
}
}
FileWriter::DeleteFileX(fName);
}
namespace
{
void CheckInvariant(FilesContainerR & reader, string const & tag, int64_t test)
{
FileReader r = reader.GetReader(tag);
TEST_EQUAL(test, ReadPrimitiveFromPos<int64_t>(r, 0), ());
}
}
UNIT_TEST(FilesContainer_Shared)
{
string const fName = "file_container.tmp";
FileWriter::DeleteFileX(fName);
uint32_t const count = 10;
int64_t const test64 = 908175281437210836LL;
{
// shared container fill
FilesContainerW writer(fName);
FileWriter w1 = writer.GetWriter("1");
WriteToSink(w1, uint32_t(0));
for (uint32_t i = 0; i < count; ++i)
WriteVarUint(w1, i);
w1.Flush();
FileWriter w2 = writer.GetWriter("2");
WriteToSink(w2, test64);
w2.Flush();
writer.Finish();
}
{
// shared container read and fill
FilesContainerR reader(fName);
FileReader r1 = reader.GetReader("1");
uint64_t const offset = sizeof(uint32_t);
r1 = r1.SubReader(offset, r1.Size() - offset);
CheckInvariant(reader, "2", test64);
FilesContainerW writer(fName, FileWriter::OP_APPEND);
FileWriter w = writer.GetWriter("3");
ReaderSource<FileReader> src(r1);
for (uint32_t i = 0; i < count; ++i)
{
uint32_t test = ReadVarUint<uint32_t>(src);
TEST_EQUAL(test, i, ());
WriteVarUint(w, i);
}
w.Flush();
writer.Finish();
}
{
// check invariant
FilesContainerR reader(fName);
CheckInvariant(reader, "2", test64);
}
FileWriter::DeleteFileX(fName);
}
UNIT_TEST(FilesContainer_RewriteExisting)
{
string const fName = "file_container.tmp";
FileWriter::DeleteFileX(fName);
char const * key[] = { "1", "2", "3" };
char const * value[] = { "prolog", "data", "epilog" };
char const * buffer = "xxxx";
// fill container
{
FilesContainerW writer(fName);
for (size_t i = 0; i < ARRAY_SIZE(key); ++i)
{
FileWriter w = writer.GetWriter(key[i]);
w.Write(value[i], strlen(value[i]));
}
}
// re-write middle file in container
{
FilesContainerW writer(fName, FileWriter::OP_WRITE_EXISTING);
FileWriter w = writer.GetExistingWriter(key[1]);
w.Write(buffer, strlen(buffer));
}
// check container files
{
FilesContainerR reader(fName);
for (size_t i = 0; i < ARRAY_SIZE(key); ++i)
{
FileReader r = reader.GetReader(key[i]);
char s[10] = { 0 };
r.Read(0, s, strlen(value[i]));
if (i == 1)
{
TEST(strcmp(buffer, s) == 0, (s));
}
else
{
TEST(strcmp(value[i], s) == 0, (s));
}
}
}
FileWriter::DeleteFileX(fName);
}
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