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/*
* tests/testing.h
*
* Unit test utility functions/definitions
*
* Copyright (C) 2023 Douglas Rumbaugh <drumbaugh@psu.edu>
* Dong Xie <dongx@psu.edu>
*
* All rights reserved. Published under the Modified BSD License.
*
*/
#pragma once
#include <string>
#include <unistd.h>
#include <fcntl.h>
#include "util/Record.h"
#include "util/types.h"
#include "util/base.h"
#include "framework/MutableBuffer.h"
//#include "framework/InternalLevel.h"
typedef de::WeightedRecord<uint64_t, uint32_t, uint64_t> WRec;
typedef de::Record<uint64_t, uint32_t> Rec;
static gsl_rng *g_rng = gsl_rng_alloc(gsl_rng_mt19937);
static bool initialize_test_file(std::string fname, size_t page_cnt)
{
auto flags = O_RDWR | O_CREAT | O_TRUNC;
mode_t mode = 0640;
char *page = nullptr;
int fd = open(fname.c_str(), flags, mode);
if (fd == -1) {
goto error;
}
page = (char *) aligned_alloc(de::SECTOR_SIZE, de::PAGE_SIZE);
if (!page) {
goto error_opened;
}
for (size_t i=0; i<=page_cnt; i++) {
*((int *) page) = i;
if (write(fd, page, de::PAGE_SIZE) == -1) {
goto error_alloced;
}
}
free(page);
return 1;
error_alloced:
free(page);
error_opened:
close(fd);
error:
return 0;
}
static bool roughly_equal(int n1, int n2, size_t mag, double epsilon) {
return ((double) std::abs(n1 - n2) / (double) mag) < epsilon;
}
template <de::RecordInterface R>
static de::MutableBuffer<R> *create_test_mbuffer(size_t cnt)
{
auto buffer = new de::MutableBuffer<R>(cnt, true, cnt, g_rng);
R rec;
for (size_t i = 0; i < cnt; i++) {
rec.key = rand();
rec.value = rand();
if constexpr (de::WeightedRecordInterface<R>) {
rec.weight = 1;
}
buffer->append(rec);
}
return buffer;
}
template <de::RecordInterface R>
static de::MutableBuffer<R> *create_test_mbuffer_tombstones(size_t cnt, size_t ts_cnt)
{
auto buffer = new de::MutableBuffer<R>(cnt, true, ts_cnt, g_rng);
std::vector<std::pair<uint64_t, uint32_t>> tombstones;
R rec;
for (size_t i = 0; i < cnt; i++) {
rec.key = rand();
rec.value = rand();
if constexpr (de::WeightedRecordInterface<R>) {
rec.weight = 1;
}
if (i < ts_cnt) {
tombstones.push_back({rec.key, rec.value});
}
buffer->append(rec);
}
rec.set_tombstone();
for (size_t i=0; i<ts_cnt; i++) {
buffer->append(rec);
}
return buffer;
}
template <de::WeightedRecordInterface R>
static de::MutableBuffer<R> *create_weighted_mbuffer(size_t cnt)
{
auto buffer = new de::MutableBuffer<R>(cnt, true, cnt, g_rng);
// Put in half of the count with weight one.
for (uint32_t i=0; i< cnt / 2; i++) {
buffer->append(R {1, i, 2});
}
// put in a quarter of the count with weight four.
for (uint32_t i=0; i< cnt / 4; i++) {
buffer->append(R {2, i, 4});
}
// the remaining quarter with weight eight.
for (uint32_t i=0; i< cnt / 4; i++) {
buffer->append(R {3, i, 8});
}
return buffer;
}
template <de::RecordInterface R>
static de::MutableBuffer<R> *create_double_seq_mbuffer(size_t cnt, bool ts=false)
{
auto buffer = new de::MutableBuffer<R>(cnt, true, cnt, g_rng);
for (size_t i = 0; i < cnt / 2; i++) {
R rec;
rec.key = i;
rec.value = i;
if (ts) rec.set_tombstone();
buffer->append(rec);
}
for (size_t i = 0; i < cnt / 2; i++) {
R rec;
rec.key = i;
rec.value = i + 1;
if (ts) rec.set_tombstone();
buffer->append(rec);
}
return buffer;
}
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