mariadb/newbrt/tests/brtloader-test.c
Bradley C. Kuszmaul 3bfdfa2921 Get rid of the gratuitous IDX files.
git-svn-id: file:///svn/toku/tokudb@18835 c7de825b-a66e-492c-adef-691d508d4ae1
2013-04-16 23:59:04 -04:00

319 lines
8.6 KiB
C

#include "test.h"
#include <toku_assert.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include "brtloader-internal.h"
#include "memory.h"
static int qsort_compare_ints (const void *a, const void *b) {
int avalue = *(int*)a;
int bvalue = *(int*)b;
if (avalue<bvalue) return -1;
if (avalue>bvalue) return +1;
return 0;
}
static int compare_ints (DB *dest_db, const DBT *akey, const DBT *bkey) {
assert(dest_db==NULL);
assert(akey->size==sizeof(int));
assert(bkey->size==sizeof(int));
return qsort_compare_ints(akey->data, bkey->data);
}
static void err_cb(DB *db UU(), int dbn UU(), int err UU(), DBT *key UU(), DBT *val UU(), void *extra UU()) {
fprintf(stderr, "error in test");
abort();
}
BOOL founddup;
static void expect_dups_cb(DB *db UU(), int dbn UU(), int err UU(), DBT *key UU(), DBT *val UU(), void *extra UU()) {
founddup=TRUE;
}
static void test_merge_internal (int a[], int na, int b[], int nb, BOOL dups) {
int *MALLOC_N(na+nb, ab); // the combined array a and b
for (int i=0; i<na; i++) {
ab[i]=a[i];
}
for (int i=0; i<nb; i++) {
ab[na+i] = b[i];
}
struct row *MALLOC_N(na, ar);
struct row *MALLOC_N(nb, br);
for (int i=0; i<na; i++) {
ar[i].off = i*sizeof(a[0]);
ar[i].klen = sizeof(a[i]);
ar[i].vlen = 0;
}
for (int i=0; i<nb; i++) {
br[i].off = (na+i)*sizeof(b[0]);
br[i].klen = sizeof(b[i]);
br[i].vlen = 0;
}
struct row *MALLOC_N(na+nb, cr);
DB *dest_db = NULL;
struct error_callback_s cb;
if (dups) {
cb.error_callback = expect_dups_cb;
founddup=FALSE;
} else {
cb.error_callback = err_cb;
}
struct rowset rs = {.data=(char*)ab};
merge(cr, ar, na, br, nb, dest_db, compare_ints, &cb, &rs);
if (dups) {
assert(founddup);
} else {
// verify the merge
int i=0;
int j=0;
for (int k=0; k<na+nb; k++) {
int voff = cr[k].off;
int vc = *(int*)(((char*)ab)+voff);
if (i<na && j<nb) {
if (vc==a[i]) {
assert(a[i]<=b[j]);
i++;
} else if (vc==b[j]) {
assert(a[i]>b[j]);
j++;
} else {
assert(0);
}
}
}
}
toku_free(cr);
toku_free(ar);
toku_free(br);
toku_free(ab);
}
/* Test the basic merger. */
static void test_merge (void) {
{
int avals[]={1,2,3,4,5};
int *bvals = NULL; //icc won't let us use a zero-sized array explicitly or by [] = {} construction.
test_merge_internal(avals, 5, bvals, 0, FALSE);
test_merge_internal(bvals, 0, avals, 5, FALSE);
}
{
int avals[]={1,3,5,7};
int bvals[]={2,4};
test_merge_internal(avals, 4, bvals, 2, FALSE);
test_merge_internal(bvals, 2, avals, 4, FALSE);
}
{
int avals[]={1,2,3,5,6,7};
int bvals[]={2,4,5,6,8};
test_merge_internal(avals, 6, bvals, 5, TRUE);
test_merge_internal(bvals, 5, avals, 6, TRUE);
}
}
static void test_internal_mergesort_row_array (int a[], int n) {
struct row *MALLOC_N(n, ar);
for (int i=0; i<n; i++) {
ar[i].off = i*sizeof(a[0]);
ar[i].klen = sizeof(a[i]);
ar[i].vlen = 0;
}
struct rowset rs = {.data=(char*)a};
mergesort_row_array (ar, n, NULL, compare_ints, NULL, &rs);
int *MALLOC_N(n, tmp);
for (int i=0; i<n; i++) {
tmp[i]=a[i];
}
qsort(tmp, n, sizeof(a[0]), qsort_compare_ints);
for (int i=0; i<n; i++) {
int voff = ar[i].off;
int v = *(int*)(((char*)a)+voff);
assert(tmp[i]==v);
}
toku_free(ar);
toku_free(tmp);
}
static void test_mergesort_row_array (void) {
{
int avals[]={5,2,1,7};
for (int i=0; i<=4; i++)
test_internal_mergesort_row_array(avals, i);
}
const int MAX_LEN = 100;
enum { MAX_VAL = 1000 };
for (int i=0; i<MAX_LEN; i++) {
BOOL used[MAX_VAL];
for (int j=0; j<MAX_VAL; j++) used[j]=FALSE;
int len=1+random()%MAX_LEN;
int avals[len];
for (int j=0; j<len; j++) {
int v;
do {
v = random()%MAX_VAL;
} while (used[v]);
avals[j] = v;
used[v] = TRUE;
}
test_internal_mergesort_row_array(avals, len);
}
}
static void test_read_write_rows (char *template) {
struct brtloader_s bl = {.panic = 0,
.temp_file_template = template};
int r = brtloader_init_file_infos(&bl.file_infos);
CKERR(r);
FIDX file;
r = brtloader_open_temp_file(&bl, &file);
CKERR(r);
u_int64_t dataoff=0;
char *keystrings[] = {"abc", "b", "cefgh"};
char *valstrings[] = {"defg", "", "xyz"};
u_int64_t actual_size=0;
for (int i=0; i<3; i++) {
DBT key = {.size=strlen(keystrings[i]), .data=keystrings[i]};
DBT val = {.size=strlen(valstrings[i]), .data=valstrings[i]};
r = loader_write_row(&key, &val, file, &dataoff, &bl);
CKERR(r);
actual_size+=key.size + val.size + 8;
}
if (actual_size != dataoff) fprintf(stderr, "actual_size=%"PRIu64", dataoff=%"PRIu64"\n", actual_size, dataoff);
assert(actual_size == dataoff);
r = brtloader_fi_close(&bl.file_infos, file);
CKERR(r);
r = brtloader_fi_reopen(&bl.file_infos, file, "r");
CKERR(r);
{
int n_read=0;
DBT key={.size=0}, val={.size=0};
while (0==loader_read_row(file, &key, &val, &bl)) {
assert(strlen(keystrings[n_read])==key.size);
assert(strlen(valstrings[n_read])==val.size);
assert(0==memcmp(keystrings[n_read], key.data, key.size));
assert(0==memcmp(valstrings[n_read], val.data, val.size));
assert(key.size<=key.ulen);
assert(val.size<=val.ulen);
n_read++;
}
assert(n_read==3);
toku_free(key.data);
toku_free(val.data);
}
r = brtloader_fi_close(&bl.file_infos, file);
CKERR(r);
r = brtloader_fi_unlink(&bl.file_infos, file);
CKERR(r);
assert(bl.file_infos.n_files_open==0);
assert(bl.file_infos.n_files_extant==0);
brtloader_fi_destroy(&bl.file_infos, FALSE);
}
static void fill_rowset (struct rowset *rows,
int keys[],
const char *vals[],
int n) {
init_rowset(rows);
for (int i=0; i<n; i++) {
DBT key = {.size=sizeof(keys[i]),
.data=&keys[i]};
DBT val = {.size=strlen(vals[i]),
.data=&vals[i]};
add_row(rows, &key, &val);
}
}
static void test_merge_files (char *template) {
DB *dest_db = NULL;
struct brtloader_s bl = {.panic = 0,
.temp_file_template = template};
int r = brtloader_init_file_infos(&bl.file_infos);
CKERR(r);
struct merge_fileset fs;
init_merge_fileset(&fs);
int a_keys[] = { 1, 3, 5, 7, 8, 9};
int b_keys[] = { 2, 4, 6 };
const char *a_vals[] = {"a", "c", "e", "g", "h", "i"};
const char *b_vals[] = {"b", "d", "f"};
struct rowset aset, bset;
fill_rowset(&aset, a_keys, a_vals, 6);
fill_rowset(&bset, b_keys, b_vals, 3);
struct error_callback_s cb;
cb.error_callback = err_cb;
r = sort_and_write_rows(&aset, &fs, &bl, dest_db, compare_ints, &cb, 0); CKERR(r);
r = sort_and_write_rows(&bset, &fs, &bl, dest_db, compare_ints, &cb, 0); CKERR(r);
assert(fs.n_temp_files==2 && fs.n_temp_files_limit >= fs.n_temp_files);
destroy_rowset(&aset);
destroy_rowset(&bset);
for (int i=0; i<2; i++) assert(fs.data_fidxs[i].idx != -1);
r = merge_files(&fs, &bl, dest_db, compare_ints, &cb, 0); CKERR(r);
assert(fs.n_temp_files==1);
FIDX inf = fs.data_fidxs[0];
r = brtloader_fi_reopen(&bl.file_infos, inf, "r");
CKERR(r);
char *name = toku_strdup(template);
int fd = mkstemp(name);
fprintf(stderr, "Final data in %s\n", name);
assert(r>=0);
struct descriptor desc = {.version = 1, .dbt = (DBT){.size = 4, .data="abcd"}};
r = write_file_to_dbfile(fd, inf, &bl, &desc, 1);
CKERR(r);
r = brtloader_fi_close(&bl.file_infos, inf);
CKERR(r);
r = brtloader_fi_unlink(&bl.file_infos, fs.data_fidxs[0]);
CKERR(r);
destroy_merge_fileset(&fs);
brtloader_fi_destroy(&bl.file_infos, FALSE);
toku_free(name);
}
/* Test to see if we can open temporary files. */
int test_main (int argc, const char *argv[]) {
const char *progname=argv[0];
argc--; argv++;
while (argc>0) {
if (strcmp(argv[0],"-v")==0) {
verbose=1;
} else if (strcmp(argv[0],"-q")==0) {
verbose=0;
} else if (argc!=1) {
fprintf(stderr, "Usage:\n %s [-v] [-q] directory\n", progname);
exit(1);
}
else {
break;
}
argc--; argv++;
}
assert(argc==1); // argv[1] is the directory in which to do the test.
const char* directory = argv[0];
int r = toku_os_mkdir(directory, 0755);
if (r!=0) CKERR2(errno, EEXIST);
int templen = strlen(directory)+15;
char template[templen];
int n = snprintf(template, templen, "%s/tempXXXXXX", directory);
assert (n>0 && n<templen);
test_read_write_rows(template);
test_merge();
test_mergesort_row_array();
test_merge_files(template);
return 0;
}