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typesense/test/art_test.cpp

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#include <fcntl.h>
#include <inttypes.h>
#include <stdio.h>
#include <string.h>
#include <cmath>
#include <gtest/gtest.h>
#include <art.h>
#define words_file_path std::string(std::string(ROOT_DIR)+"/build/test_resources/words.txt").c_str()
#define uuid_file_path std::string(std::string(ROOT_DIR)+"/build/test_resources/uuid.txt").c_str()
art_document get_document(uint32_t id) {
art_document document;
document.score = (uint16_t) id;
document.id = id;
document.offsets = new uint32_t[1]{0};
document.offsets_len = 1;
return document;
}
TEST(ArtTest, test_art_init_and_destroy) {
art_tree t;
int res = art_tree_init(&t);
ASSERT_TRUE(res == 0);
ASSERT_TRUE(art_size(&t) == 0);
res = art_tree_destroy(&t);
ASSERT_TRUE(res == 0);
}
TEST(ArtTest, test_art_insert) {
art_tree t;
int res = art_tree_init(&t);
ASSERT_TRUE(res == 0);
size_t len;
char buf[512];
FILE *f;
f = fopen(words_file_path, "r");
uintptr_t line = 1;
while (fgets(buf, sizeof buf, f)) {
len = strlen(buf);
buf[len-1] = '\0';
art_document document = get_document(line);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)buf, len, &document, 1));
ASSERT_TRUE(art_size(&t) == line);
line++;
delete document.offsets;
}
res = art_tree_destroy(&t);
ASSERT_TRUE(res == 0);
}
TEST(ArtTest, test_art_insert_verylong) {
art_tree t;
int res = art_tree_init(&t);
ASSERT_TRUE(res == 0);
unsigned char key1[300] = {16,0,0,0,7,10,0,0,0,2,17,10,0,0,0,120,10,0,0,0,120,10,0,
0,0,216,10,0,0,0,202,10,0,0,0,194,10,0,0,0,224,10,0,0,0,
230,10,0,0,0,210,10,0,0,0,206,10,0,0,0,208,10,0,0,0,232,
10,0,0,0,124,10,0,0,0,124,2,16,0,0,0,2,12,185,89,44,213,
251,173,202,211,95,185,89,110,118,251,173,202,199,101,0,
8,18,182,92,236,147,171,101,150,195,112,185,218,108,246,
139,164,234,195,58,177,0,8,16,0,0,0,2,12,185,89,44,213,
251,173,202,211,95,185,89,110,118,251,173,202,199,101,0,
8,18,180,93,46,151,9,212,190,95,102,178,217,44,178,235,
29,190,218,8,16,0,0,0,2,12,185,89,44,213,251,173,202,
211,95,185,89,110,118,251,173,202,199,101,0,8,18,180,93,
46,151,9,212,190,95,102,183,219,229,214,59,125,182,71,
108,180,220,238,150,91,117,150,201,84,183,128,8,16,0,0,
0,2,12,185,89,44,213,251,173,202,211,95,185,89,110,118,
251,173,202,199,101,0,8,18,180,93,46,151,9,212,190,95,
108,176,217,47,50,219,61,134,207,97,151,88,237,246,208,
8,18,255,255,255,219,191,198,134,5,223,212,72,44,208,
250,180,14,1,0,0,8, '\0'};
unsigned char key2[303] = {16,0,0,0,7,10,0,0,0,2,17,10,0,0,0,120,10,0,0,0,120,10,0,
0,0,216,10,0,0,0,202,10,0,0,0,194,10,0,0,0,224,10,0,0,0,
230,10,0,0,0,210,10,0,0,0,206,10,0,0,0,208,10,0,0,0,232,
10,0,0,0,124,10,0,0,0,124,2,16,0,0,0,2,12,185,89,44,213,
251,173,202,211,95,185,89,110,118,251,173,202,199,101,0,
8,18,182,92,236,147,171,101,150,195,112,185,218,108,246,
139,164,234,195,58,177,0,8,16,0,0,0,2,12,185,89,44,213,
251,173,202,211,95,185,89,110,118,251,173,202,199,101,0,
8,18,180,93,46,151,9,212,190,95,102,178,217,44,178,235,
29,190,218,8,16,0,0,0,2,12,185,89,44,213,251,173,202,
211,95,185,89,110,118,251,173,202,199,101,0,8,18,180,93,
46,151,9,212,190,95,102,183,219,229,214,59,125,182,71,
108,180,220,238,150,91,117,150,201,84,183,128,8,16,0,0,
0,3,12,185,89,44,213,251,133,178,195,105,183,87,237,150,
155,165,150,229,97,182,0,8,18,161,91,239,50,10,61,150,
223,114,179,217,64,8,12,186,219,172,150,91,53,166,221,
101,178,0,8,18,255,255,255,219,191,198,134,5,208,212,72,
44,208,250,180,14,1,0,0,8, '\0'};
art_document doc1 = get_document(1);
art_document doc2 = get_document(2);
ASSERT_TRUE(NULL == art_insert(&t, key1, 299, &doc1, 1));
ASSERT_TRUE(NULL == art_insert(&t, key2, 302, &doc2, 2));
art_insert(&t, key2, 302, &doc2, 2);
EXPECT_EQ(art_size(&t), 2);
res = art_tree_destroy(&t);
ASSERT_TRUE(res == 0);
}
TEST(ArtTest, test_art_insert_search) {
art_tree t;
int res = art_tree_init(&t);
ASSERT_TRUE(res == 0);
int len;
char buf[512];
FILE *f = fopen(words_file_path, "r");
uintptr_t line = 1;
while (fgets(buf, sizeof buf, f)) {
len = strlen(buf);
buf[len-1] = '\0';
art_document doc = get_document((uint32_t) line);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)buf, len, &doc, 1));
line++;
}
// Seek back to the start
fseek(f, 0, SEEK_SET);
// Search for each line
line = 1;
while (fgets(buf, sizeof buf, f)) {
len = strlen(buf);
buf[len-1] = '\0';
art_leaf* l = (art_leaf *) art_search(&t, (unsigned char*)buf, len);
EXPECT_EQ(line, l->values->ids.at(0));
line++;
}
// Check the minimum
art_leaf *l = art_minimum(&t);
ASSERT_TRUE(l && strcmp((char*)l->key, "A") == 0);
// Check the maximum
l = art_maximum(&t);
ASSERT_TRUE(l && strcmp((char*)l->key, "zythum") == 0);
res = art_tree_destroy(&t);
ASSERT_TRUE(res == 0);
}
TEST(ArtTest, test_art_insert_delete) {
art_tree t;
int res = art_tree_init(&t);
ASSERT_TRUE(res == 0);
int len;
char buf[512];
FILE *f = fopen(words_file_path, "r");
uintptr_t line = 1, nlines;
while (fgets(buf, sizeof buf, f)) {
len = strlen(buf);
buf[len-1] = '\0';
art_document doc = get_document((uint32_t) line);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)buf, len, &doc, 1));
line++;
}
nlines = line - 1;
// Seek back to the start
fseek(f, 0, SEEK_SET);
// Search for each line
line = 1;
while (fgets(buf, sizeof buf, f)) {
len = strlen(buf);
buf[len-1] = '\0';
// Search first, ensure all entries still
// visible
art_leaf* l = (art_leaf *) art_search(&t, (unsigned char*)buf, len);
EXPECT_EQ(line, l->values->ids.at(0));
// Delete, should get lineno back
art_values* values = (art_values*)art_delete(&t, (unsigned char*)buf, len);
EXPECT_EQ(line, values->ids.at(0));
free(values);
// Check the size
ASSERT_TRUE(art_size(&t) == nlines - line);
line++;
}
// Check the minimum and maximum
ASSERT_TRUE(!art_minimum(&t));
ASSERT_TRUE(!art_maximum(&t));
ASSERT_TRUE(art_size(&t) == 0);
res = art_tree_destroy(&t);
ASSERT_TRUE(res == 0);
}
int iter_cb(void *data, const unsigned char* key, uint32_t key_len, void *val) {
uint64_t *out = (uint64_t*)data;
uintptr_t line = ((art_values*)val)->ids.at(0);
uint64_t mask = (line * (key[0] + key_len));
out[0]++;
out[1] ^= mask;
return 0;
}
TEST(ArtTest, test_art_insert_iter) {
art_tree t;
int res = art_tree_init(&t);
ASSERT_TRUE(res == 0);
int len;
char buf[512];
FILE *f = fopen(words_file_path, "r");
uint64_t xor_mask = 0;
uintptr_t line = 1, nlines;
while (fgets(buf, sizeof buf, f)) {
len = strlen(buf);
buf[len-1] = '\0';
art_document doc = get_document((uint32_t) line);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)buf, len, &doc, 1));
xor_mask ^= (line * (buf[0] + len));
line++;
}
nlines = line - 1;
uint64_t out[] = {0, 0};
ASSERT_TRUE(art_iter(&t, iter_cb, &out) == 0);
ASSERT_TRUE(out[0] == nlines);
ASSERT_TRUE(out[1] == xor_mask);
res = art_tree_destroy(&t);
ASSERT_TRUE(res == 0);
}
typedef struct {
int count;
int max_count;
const char **expected;
} prefix_data;
static int test_prefix_cb(void *data, const unsigned char *k, uint32_t k_len, void *val) {
prefix_data *p = (prefix_data*)data;
assert(p->count < p->max_count);
assert(memcmp(k, p->expected[p->count], k_len) == 0);
p->count++;
return 0;
}
TEST(ArtTest, test_art_iter_prefix) {
art_tree t;
int res = art_tree_init(&t);
ASSERT_TRUE(res == 0);
const char *s = "api.foo.bar";
art_document doc = get_document((uint32_t) 1);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)s, strlen(s)+1, &doc, 1));
s = "api.foo.baz";
doc = get_document((uint32_t) 2);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)s, strlen(s)+1, &doc, 1));
s = "api.foe.fum";
doc = get_document((uint32_t) 3);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)s, strlen(s)+1, &doc, 1));
s = "abc.123.456";
doc = get_document((uint32_t) 4);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)s, strlen(s)+1, &doc, 1));
s = "api.foo";
doc = get_document((uint32_t) 5);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)s, strlen(s)+1, &doc, 1));
s = "api";
doc = get_document((uint32_t) 6);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)s, strlen(s)+1, &doc, 1));
// Iterate over api
const char *expected[] = {"api", "api.foe.fum", "api.foo", "api.foo.bar", "api.foo.baz"};
prefix_data p = { 0, 5, expected };
ASSERT_TRUE(!art_iter_prefix(&t, (unsigned char*)"api", 3, test_prefix_cb, &p));
ASSERT_TRUE(p.count == p.max_count);
// Iterate over 'a'
const char *expected2[] = {"abc.123.456", "api", "api.foe.fum", "api.foo", "api.foo.bar", "api.foo.baz"};
prefix_data p2 = { 0, 6, expected2 };
ASSERT_TRUE(!art_iter_prefix(&t, (unsigned char*)"a", 1, test_prefix_cb, &p2));
ASSERT_TRUE(p2.count == p2.max_count);
// Check a failed iteration
prefix_data p3 = { 0, 0, NULL };
ASSERT_TRUE(!art_iter_prefix(&t, (unsigned char*)"b", 1, test_prefix_cb, &p3));
ASSERT_TRUE(p3.count == 0);
// Iterate over api.
const char *expected4[] = {"api.foe.fum", "api.foo", "api.foo.bar", "api.foo.baz"};
prefix_data p4 = { 0, 4, expected4 };
ASSERT_TRUE(!art_iter_prefix(&t, (unsigned char*)"api.", 4, test_prefix_cb, &p4));
ASSERT_TRUE(p4.count == p4.max_count);
// Iterate over api.foo.ba
const char *expected5[] = {"api.foo.bar"};
prefix_data p5 = { 0, 1, expected5 };
ASSERT_TRUE(!art_iter_prefix(&t, (unsigned char*)"api.foo.bar", 11, test_prefix_cb, &p5));
ASSERT_TRUE(p5.count == p5.max_count);
// Check a failed iteration on api.end
prefix_data p6 = { 0, 0, NULL };
ASSERT_TRUE(!art_iter_prefix(&t, (unsigned char*)"api.end", 7, test_prefix_cb, &p6));
ASSERT_TRUE(p6.count == 0);
// Iterate over empty prefix
prefix_data p7 = { 0, 6, expected2 };
ASSERT_TRUE(!art_iter_prefix(&t, (unsigned char*)"", 0, test_prefix_cb, &p7));
ASSERT_TRUE(p7.count == p7.max_count);
res = art_tree_destroy(&t);
ASSERT_TRUE(res == 0);
}
TEST(ArtTest, test_art_long_prefix) {
art_tree t;
int res = art_tree_init(&t);
ASSERT_TRUE(res == 0);
uintptr_t id;
const char *s;
s = "this:key:has:a:long:prefix:3";
id = 3;
art_document doc = get_document((uint32_t) id);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)s, strlen(s)+1, &doc, 1));
s = "this:key:has:a:long:common:prefix:2";
id = 2;
doc = get_document((uint32_t) id);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)s, strlen(s)+1, &doc, 1));
s = "this:key:has:a:long:common:prefix:1";
id = 1;
doc = get_document((uint32_t) id);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)s, strlen(s)+1, &doc, 1));
// Search for the keys
s = "this:key:has:a:long:common:prefix:1";
EXPECT_EQ(1, (((art_leaf *)art_search(&t, (unsigned char*)s, strlen(s)+1))->values->ids.at(0)));
s = "this:key:has:a:long:common:prefix:2";
EXPECT_EQ(2, (((art_leaf *)art_search(&t, (unsigned char*)s, strlen(s)+1))->values->ids.at(0)));
s = "this:key:has:a:long:prefix:3";
EXPECT_EQ(3, (((art_leaf *)art_search(&t, (unsigned char*)s, strlen(s)+1))->values->ids.at(0)));
const char *expected[] = {
"this:key:has:a:long:common:prefix:1",
"this:key:has:a:long:common:prefix:2",
"this:key:has:a:long:prefix:3",
};
prefix_data p = { 0, 3, expected };
ASSERT_TRUE(!art_iter_prefix(&t, (unsigned char*)"this:key:has", 12, test_prefix_cb, &p));
ASSERT_TRUE(p.count == p.max_count);
res = art_tree_destroy(&t);
ASSERT_TRUE(res == 0);
}
TEST(ArtTest, test_art_insert_search_uuid) {
art_tree t;
int res = art_tree_init(&t);
ASSERT_TRUE(res == 0);
int len;
char buf[512];
FILE *f = fopen(uuid_file_path, "r");
uintptr_t line = 1;
while (fgets(buf, sizeof buf, f)) {
len = strlen(buf);
buf[len-1] = '\0';
art_document doc = get_document((uint32_t) line);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)buf, len, &doc, 1));
line++;
}
// Seek back to the start
fseek(f, 0, SEEK_SET);
// Search for each line
line = 1;
while (fgets(buf, sizeof buf, f)) {
len = strlen(buf);
buf[len-1] = '\0';
uintptr_t id = ((art_leaf*)art_search(&t, (unsigned char*)buf, len))->values->ids.at(0);
ASSERT_TRUE(line == id);
line++;
}
// Check the minimum
art_leaf *l = art_minimum(&t);
ASSERT_TRUE(l && strcmp((char*)l->key, "00026bda-e0ea-4cda-8245-522764e9f325") == 0);
// Check the maximum
l = art_maximum(&t);
ASSERT_TRUE(l && strcmp((char*)l->key, "ffffcb46-a92e-4822-82af-a7190f9c1ec5") == 0);
res = art_tree_destroy(&t);
ASSERT_TRUE(res == 0);
}
TEST(ArtTest, test_art_max_prefix_len_scan_prefix) {
art_tree t;
int res = art_tree_init(&t);
ASSERT_TRUE(res == 0);
const char* key1 = "foobarbaz1-test1-foo";
art_document doc = get_document((uint32_t) 1);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)key1, strlen(key1)+1, &doc, 1));
const char *key2 = "foobarbaz1-test1-bar";
doc = get_document((uint32_t) 2);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)key2, strlen(key2)+1, &doc, 1));
const char *key3 = "foobarbaz1-test2-foo";
doc = get_document((uint32_t) 3);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)key3, strlen(key3)+1, &doc, 2));
ASSERT_TRUE(art_size(&t) == 3);
// Iterate over api
const char *expected[] = {key2, key1};
prefix_data p = { 0, 2, expected };
const char *prefix = "foobarbaz1-test1";
ASSERT_TRUE(!art_iter_prefix(&t, (unsigned char*)prefix, strlen(prefix), test_prefix_cb, &p));
ASSERT_TRUE(p.count == p.max_count);
res = art_tree_destroy(&t);
ASSERT_TRUE(res == 0);
}
TEST(ArtTest, test_art_prefix_iter_out_of_bounds) {
// Regression: ensures that `assert(depth < key_len);` is not invoked
art_tree t;
int res = art_tree_init(&t);
ASSERT_TRUE(res == 0);
const char* key1 = "foobarbaz1-long-test1-foo";
art_document doc = get_document((uint32_t) 1);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)key1, strlen(key1)+1, &doc, 1));
const char *key2 = "foobarbaz1-long-test1-bar";
doc = get_document((uint32_t) 2);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)key2, strlen(key2)+1, &doc, 1));
const char *key3 = "foobarbaz1-long-test2-foo";
doc = get_document((uint32_t) 3);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)key3, strlen(key3)+1, &doc, 2));
ASSERT_TRUE(art_size(&t) == 3);
// Iterate over api
const char *expected[] = {key2, key1};
prefix_data p = { 0, 0, expected };
const char *prefix = "f2oobar";
ASSERT_TRUE(!art_iter_prefix(&t, (unsigned char*)prefix, strlen(prefix), test_prefix_cb, &p));
ASSERT_TRUE(p.count == p.max_count);
res = art_tree_destroy(&t);
ASSERT_TRUE(res == 0);
}
TEST(ArtTest, test_art_search_out_of_bounds) {
// Regression: ensures that `assert(depth < key_len);` is not invoked
art_tree t;
int res = art_tree_init(&t);
ASSERT_TRUE(res == 0);
const char* key1 = "foobarbaz1-long-test1-foo";
art_document doc = get_document((uint32_t) 1);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)key1, strlen(key1)+1, &doc, 1));
const char *key2 = "foobarbaz1-long-test1-bar";
doc = get_document((uint32_t) 2);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)key2, strlen(key2)+1, &doc, 1));
const char *key3 = "foobarbaz1-long-test2-foo";
doc = get_document((uint32_t) 3);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)key3, strlen(key3)+1, &doc, 2));
ASSERT_TRUE(art_size(&t) == 3);
// Search for a non-existing key
const char *prefix = "foobarbaz1-long-";
art_leaf* l = (art_leaf *) art_search(&t, (const unsigned char *) prefix, strlen(prefix));
ASSERT_EQ(NULL, l);
res = art_tree_destroy(&t);
ASSERT_TRUE(res == 0);
}
TEST(ArtTest, test_art_delete_out_of_bounds) {
// Regression: ensures that `assert(depth < key_len);` is not invoked
art_tree t;
int res = art_tree_init(&t);
ASSERT_TRUE(res == 0);
const char* key1 = "foobarbaz1-long-test1-foo";
art_document doc = get_document((uint32_t) 1);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)key1, strlen(key1)+1, &doc, 1));
const char *key2 = "foobarbaz1-long-test1-bar";
doc = get_document((uint32_t) 2);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)key2, strlen(key2)+1, &doc, 1));
const char *key3 = "foobarbaz1-long-test2-foo";
doc = get_document((uint32_t) 3);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)key3, strlen(key3)+1, &doc, 2));
ASSERT_TRUE(art_size(&t) == 3);
// Try to delete a non-existing key
const char *prefix = "foobarbaz1-long-";
art_values* values = (art_values *) art_delete(&t, (const unsigned char *) prefix, strlen(prefix));
ASSERT_EQ(NULL, values);
res = art_tree_destroy(&t);
ASSERT_TRUE(res == 0);
}
TEST(ArtTest, test_art_insert_multiple_ids_for_same_token) {
art_tree t;
int res = art_tree_init(&t);
ASSERT_TRUE(res == 0);
const char* key1 = "implement";
art_document doc = get_document((uint32_t) 1);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)key1, strlen(key1)+1, &doc, 1));
doc = get_document((uint32_t) 2);
art_values* value = (art_values*) art_insert(&t, (unsigned char*)key1, strlen(key1) + 1, &doc, 2);
ASSERT_TRUE(value != NULL);
doc = get_document((uint32_t) 3);
ASSERT_TRUE(value == (art_values*) art_insert(&t, (unsigned char*)key1, strlen(key1)+1, &doc, 3));
ASSERT_TRUE(art_size(&t) == 1);
ASSERT_EQ(value->ids.getLength(), 3);
ASSERT_EQ(value->ids.at(0), 1);
ASSERT_EQ(value->ids.at(1), 2);
ASSERT_EQ(value->ids.at(2), 3);
res = art_tree_destroy(&t);
ASSERT_TRUE(res == 0);
}
TEST(ArtTest, test_art_fuzzy_search_single_leaf) {
art_tree t;
int res = art_tree_init(&t);
ASSERT_TRUE(res == 0);
const char* implement_key = "implement";
art_document doc = get_document((uint32_t) 1);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)implement_key, strlen(implement_key)+1, &doc, 1));
art_leaf* l = (art_leaf *) art_search(&t, (const unsigned char *)implement_key, strlen(implement_key)+1);
EXPECT_EQ(1, l->values->ids.at(0));
std::vector<art_leaf*> leaves;
art_fuzzy_search(&t, (const unsigned char *) implement_key, strlen(implement_key) + 1, 0, 0, 10, FREQUENCY, false, leaves);
ASSERT_EQ(1, leaves.size());
const char* implement_key_typo1 = "implment";
const char* implement_key_typo2 = "implwnent";
leaves.clear();
art_fuzzy_search(&t, (const unsigned char *) implement_key_typo1, strlen(implement_key_typo1) + 1, 0, 0, 10, FREQUENCY, false, leaves);
ASSERT_EQ(0, leaves.size());
leaves.clear();
art_fuzzy_search(&t, (const unsigned char *) implement_key_typo1, strlen(implement_key_typo1) + 1, 0, 1, 10, FREQUENCY, false, leaves);
ASSERT_EQ(1, leaves.size());
leaves.clear();
art_fuzzy_search(&t, (const unsigned char *) implement_key_typo2, strlen(implement_key_typo2) + 1, 0, 2, 10, FREQUENCY, false, leaves);
ASSERT_EQ(1, leaves.size());
res = art_tree_destroy(&t);
ASSERT_TRUE(res == 0);
}
TEST(ArtTest, test_art_fuzzy_search) {
art_tree t;
int res = art_tree_init(&t);
ASSERT_TRUE(res == 0);
int len;
char buf[512];
FILE *f = fopen(words_file_path, "r");
uint64_t xor_mask = 0;
uintptr_t line = 1, nlines;
while (fgets(buf, sizeof buf, f)) {
len = strlen(buf);
buf[len-1] = '\0';
art_document doc = get_document((uint32_t) line);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)buf, len, &doc, 1));
xor_mask ^= (line * (buf[0] + len));
line++;
}
nlines = line - 1;
std::vector<art_leaf*> leaves;
// transpose
art_fuzzy_search(&t, (const unsigned char *) "zymosthneic", strlen("zymosthneic") + 1, 0, 1, 10, FREQUENCY, false, leaves);
ASSERT_EQ(1, leaves.size());
ASSERT_STREQ("zymosthenic", (const char *)leaves.at(0)->key);
// transpose + missing
leaves.clear();
art_fuzzy_search(&t, (const unsigned char *) "dacrcyystlgia", strlen("dacrcyystlgia") + 1, 0, 2, 10, FREQUENCY, false, leaves);
ASSERT_EQ(1, leaves.size());
ASSERT_STREQ("dacrycystalgia", (const char *)leaves.at(0)->key);
leaves.clear();
art_fuzzy_search(&t, (const unsigned char *) "dacrcyystlgia", strlen("dacrcyystlgia") + 1, 1, 2, 10, FREQUENCY, false, leaves);
ASSERT_EQ(1, leaves.size());
ASSERT_STREQ("dacrycystalgia", (const char *)leaves.at(0)->key);
// missing char
leaves.clear();
art_fuzzy_search(&t, (const unsigned char *) "gaberlunze", strlen("gaberlunze") + 1, 0, 1, 10, FREQUENCY, false, leaves);
ASSERT_EQ(1, leaves.size());
ASSERT_STREQ("gaberlunzie", (const char *)leaves.at(0)->key);
// extra char
leaves.clear();
art_fuzzy_search(&t, (const unsigned char *) "higghliving", strlen("higghliving") + 1, 0, 1, 10, FREQUENCY, false, leaves);
ASSERT_EQ(1, leaves.size());
ASSERT_STREQ("highliving", (const char *)leaves.at(0)->key);
// substituted char
leaves.clear();
art_fuzzy_search(&t, (const unsigned char *) "eacemiferous", strlen("eacemiferous") + 1, 0, 1, 10, FREQUENCY, false, leaves);
ASSERT_EQ(1, leaves.size());
ASSERT_STREQ("racemiferous", (const char *)leaves.at(0)->key);
// missing char + extra char
leaves.clear();
art_fuzzy_search(&t, (const unsigned char *) "Sarbruckken", strlen("Sarbruckken") + 1, 0, 2, 10, FREQUENCY, false, leaves);
ASSERT_EQ(1, leaves.size());
ASSERT_STREQ("Saarbrucken", (const char *)leaves.at(0)->key);
// multiple matching results
leaves.clear();
art_fuzzy_search(&t, (const unsigned char *) "hown", strlen("hown") + 1, 0, 1, 10, FREQUENCY, false, leaves);
ASSERT_EQ(10, leaves.size());
std::vector<const char*> words = {"town", "sown", "shown", "own", "mown", "lown", "howl", "howk", "howe", "how"};
for(auto leaf_index = 0; leaf_index < leaves.size(); leaf_index++) {
ASSERT_STREQ(words.at(leaf_index), (const char *)leaves.at(leaf_index)->key);
}
res = art_tree_destroy(&t);
ASSERT_TRUE(res == 0);
}
TEST(ArtTest, test_encode_int32) {
unsigned char chars[8];
// 175 => 0000,0000,0000,0000,0000,0000,1010,1111
unsigned char chars_175[8] = {0, 0, 0, 0, 0, 0, 10, 15};
encode_int32(175, chars);
for(uint32_t i = 0; i < 8; i++) {
ASSERT_EQ(chars_175[i], chars[i]);
}
// 0 => 0000,0000,0000,0000,0000,0000,0000,0000
unsigned char chars_0[8] = {0, 0, 0, 0, 0, 0, 0, 0};
encode_int32(0, chars);
for(uint32_t i = 0; i < 8; i++) {
ASSERT_EQ(chars_0[i], chars[i]);
}
// 255 => 0000,0000,0000,0000,0000,0000,1111,1111
unsigned char chars_255[8] = {0, 0, 0, 0, 0, 0, 15, 15};
encode_int32(255, chars);
for(uint32_t i = 0; i < 8; i++) {
ASSERT_EQ(chars_255[i], chars[i]);
}
// 4531 => 0000,0000,0000,0000,0001,0001,1011,0011
unsigned char chars_4531[8] = {0, 0, 0, 0, 1, 1, 11, 3};
encode_int32(4531, chars);
for(uint32_t i = 0; i < 8; i++) {
ASSERT_EQ(chars_4531[i], chars[i]);
}
// 1200000 => 0000,0000,0001,0010,0100,1111,1000,0000
unsigned char chars_1M[8] = {0, 0, 1, 2, 4, 15, 8, 0};
encode_int32(1200000, chars);
for(uint32_t i = 0; i < 8; i++) {
ASSERT_EQ(chars_1M[i], chars[i]);
}
unsigned char chars_neg_4531[8] = {15, 15, 15, 15, 14, 14, 4, 13};
encode_int32(-4531, chars);
for(uint32_t i = 0; i < 8; i++) {
ASSERT_EQ(chars_neg_4531[i], chars[i]);
}
}
TEST(ArtTest, test_int32_range_hundreds) {
art_tree t;
art_tree_init(&t);
art_document doc = get_document(1);
const int CHAR_LEN = 8;
unsigned char chars[CHAR_LEN];
std::vector<const art_leaf*> results;
std::vector<std::vector<uint32_t>> values = {{2014, 2015, 2016}, {2015, 2016}, {2016},
{1981, 1985}, {1999, 2000, 2001, 2002}};
for(uint32_t i = 0; i < values.size(); i++) {
for(auto j = 0; j < values[i].size(); j++) {
encode_int32(values[i][j], chars);
doc.id = i;
art_insert(&t, (unsigned char*)chars, CHAR_LEN, &doc, 1);
}
}
int res = art_int32_search(&t, 2002, GREATER_THAN, results);
ASSERT_TRUE(res == 0);
ASSERT_EQ(3, results.size());
return ;
for(uint32_t i = 100; i < 110; i++) {
encode_int32(i, chars);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)chars, CHAR_LEN, &doc, 1));
}
encode_int32(106, chars);
res = art_int32_search(&t, 106, EQUALS, results);
ASSERT_TRUE(res == 0);
ASSERT_EQ(1, results.size());
results.clear();
res = art_int32_search(&t, 106, GREATER_THAN_EQUALS, results);
ASSERT_TRUE(res == 0);
ASSERT_EQ(4, results.size());
results.clear();
res = art_int32_search(&t, 106, GREATER_THAN, results);
ASSERT_TRUE(res == 0);
ASSERT_EQ(3, results.size());
results.clear();
res = art_int32_search(&t, 106, LESS_THAN_EQUALS, results);
ASSERT_TRUE(res == 0);
ASSERT_EQ(7, results.size());
results.clear();
res = art_int32_search(&t, 106, LESS_THAN, results);
ASSERT_TRUE(res == 0);
ASSERT_EQ(6, results.size());
res = art_tree_destroy(&t);
ASSERT_TRUE(res == 0);
}
TEST(ArtTest, test_int32_negative) {
art_tree t;
art_tree_init(&t);
art_document doc = get_document(1);
const int CHAR_LEN = 8;
unsigned char chars[CHAR_LEN];
for(int32_t i = -100; i < 0; i++) {
encode_int32(i, chars);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)chars, CHAR_LEN, &doc, 1));
}
encode_int32(-99, chars);
std::vector<const art_leaf*> results;
int res = art_int32_search(&t, -99, EQUALS, results);
ASSERT_TRUE(res == 0);
ASSERT_EQ(1, results.size());
results.clear();
res = art_int32_search(&t, -90, GREATER_THAN_EQUALS, results);
ASSERT_TRUE(res == 0);
ASSERT_EQ(90, results.size());
results.clear();
res = art_int32_search(&t, -90, GREATER_THAN, results);
ASSERT_TRUE(res == 0);
ASSERT_EQ(89, results.size());
results.clear();
res = art_int32_search(&t, -99, LESS_THAN_EQUALS, results);
ASSERT_TRUE(res == 0);
ASSERT_EQ(2, results.size());
results.clear();
res = art_int32_search(&t, -99, LESS_THAN, results);
ASSERT_TRUE(res == 0);
ASSERT_EQ(1, results.size());
results.clear();
res = art_int32_search(&t, -100, LESS_THAN_EQUALS, results);
ASSERT_TRUE(res == 0);
ASSERT_EQ(1, results.size());
results.clear();
res = art_tree_destroy(&t);
ASSERT_TRUE(res == 0);
}
TEST(ArtTest, test_int32_million) {
art_tree t;
art_tree_init(&t);
art_document doc = get_document(1);
const int CHAR_LEN = 8;
unsigned char chars[CHAR_LEN];
for(uint32_t i = 0; i < 1000000; i++) {
encode_int32(i, chars);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)chars, CHAR_LEN, &doc, 1));
}
encode_int32(5, chars);
/*std::cout << std::endl;
for(uint32_t i = 0; i < CHAR_LEN; i++) {
std::cout << (int)chars[i] << ", ";
}
std::cout << std::endl;*/
std::vector<const art_leaf*> results;
// ==
for(uint32_t i = 0; i < 6; i++) {
results.clear();
art_int32_search(&t, (uint32_t) pow(10, i), EQUALS, results);
ASSERT_EQ(1, results.size());
results.clear();
art_int32_search(&t, (uint32_t) (pow(10, i) + 7), EQUALS, results);
ASSERT_EQ(1, results.size());
}
results.clear();
art_int32_search(&t, 1000000 - 1, EQUALS, results);
ASSERT_EQ(1, results.size());
// >=
results.clear();
art_int32_search(&t, 1000000 - 5, GREATER_THAN_EQUALS, results);
ASSERT_EQ(5, results.size());
results.clear();
art_int32_search(&t, 1000000 - 5, GREATER_THAN, results);
ASSERT_EQ(4, results.size());
results.clear();
art_int32_search(&t, 1000000 - 1, GREATER_THAN_EQUALS, results);
ASSERT_EQ(1, results.size());
results.clear();
art_int32_search(&t, 1000000, GREATER_THAN_EQUALS, results);
ASSERT_EQ(0, results.size());
results.clear();
art_int32_search(&t, 5, GREATER_THAN_EQUALS, results);
ASSERT_EQ(1000000-5, results.size());
// <=
results.clear();
art_int32_search(&t, 1000000 - 5, LESS_THAN_EQUALS, results);
ASSERT_EQ(1000000-5+1, results.size());
results.clear();
art_int32_search(&t, 1000000 - 1, LESS_THAN_EQUALS, results);
ASSERT_EQ(1000000, results.size());
results.clear();
art_int32_search(&t, 1000000 - 1, LESS_THAN, results);
ASSERT_EQ(1000000-1, results.size());
results.clear();
art_int32_search(&t, 1000000, LESS_THAN_EQUALS, results);
ASSERT_EQ(1000000, results.size());
results.clear();
art_int32_search(&t, 5, LESS_THAN_EQUALS, results);
ASSERT_EQ(5+1, results.size());
results.clear();
art_int32_search(&t, 5, LESS_THAN, results);
ASSERT_EQ(5, results.size());
}
TEST(ArtTest, test_int_range_byte_boundary) {
art_tree t;
art_tree_init(&t);
art_document doc = get_document(1);
const int CHAR_LEN = 8;
unsigned char chars[CHAR_LEN];
for(uint32_t i = 200; i < 300; i++) {
encode_int32(i, chars);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)chars, CHAR_LEN, &doc, 1));
}
encode_int32(255, chars);
std::vector<const art_leaf*> results;
results.clear();
art_int32_search(&t, 255, GREATER_THAN_EQUALS, results);
ASSERT_EQ(45, results.size());
results.clear();
art_int32_search(&t, 255, GREATER_THAN, results);
ASSERT_EQ(44, results.size());
/*std::cout << std::endl;
for(auto i = 0; i < 1; i++) {
auto result = results[i];
for(auto j = 0; j < result->key_len; j++) {
std::cout << (int) result->key[j] << ", ";
}
std::cout << std::endl;
}*/
}
TEST(ArtTest, test_encode_int64) {
unsigned char chars[8];
unsigned char chars_175[8] = {0, 0, 0, 0, 0, 0, 0, 175};
encode_int64(175, chars);
for(uint32_t i = 0; i < 8; i++) {
ASSERT_EQ(chars_175[i], chars[i]);
}
unsigned char chars_neg_175[8] = {255, 255, 255, 255, 255, 255, 255, 81};
encode_int64(-175, chars);
for(uint32_t i = 0; i < 8; i++) {
ASSERT_EQ(chars_neg_175[i], chars[i]);
}
unsigned char chars_100K[8] = {0, 0, 0, 0, 0, 1, 134, 160};
encode_int64(100*1000, chars);
for(uint32_t i = 0; i < 8; i++) {
ASSERT_EQ(chars_100K[i], chars[i]);
}
unsigned char chars_large_num[8] = {255, 255, 255, 255, 128, 0, 0, 199};
encode_int64(std::numeric_limits<std::int32_t>::max()+200, chars);
for(uint32_t i = 0; i < 8; i++) {
ASSERT_EQ(chars_large_num[i], chars[i]);
}
unsigned char chars_large_neg_num[8] = {0, 0, 0, 0, 127, 255, 255, 57};
encode_int64(-1 * (std::numeric_limits<std::int32_t>::max()+200), chars);
for(uint32_t i = 0; i < 8; i++) {
ASSERT_EQ(chars_large_neg_num[i], chars[i]);
}
}
TEST(ArtTest, test_search_int64) {
art_tree t;
art_tree_init(&t);
art_document doc = get_document(1);
const int CHAR_LEN = 8;
unsigned char chars[CHAR_LEN];
const uint64_t lmax = std::numeric_limits<std::int32_t>::max();
for(uint64_t i = lmax; i < lmax+100; i++) {
encode_int64(i, chars);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)chars, CHAR_LEN, &doc, 1));
}
std::vector<const art_leaf*> results;
int res = art_int64_search(&t, lmax, EQUALS, results);
ASSERT_TRUE(res == 0);
ASSERT_EQ(1, results.size());
results.clear();
res = art_int64_search(&t, lmax, GREATER_THAN_EQUALS, results);
ASSERT_TRUE(res == 0);
ASSERT_EQ(100, results.size());
results.clear();
res = art_int64_search(&t, lmax, GREATER_THAN, results);
ASSERT_TRUE(res == 0);
ASSERT_EQ(99, results.size());
results.clear();
res = art_int64_search(&t, lmax+50, GREATER_THAN, results);
ASSERT_TRUE(res == 0);
ASSERT_EQ(49, results.size());
results.clear();
res = art_int64_search(&t, lmax+50, LESS_THAN, results);
ASSERT_TRUE(res == 0);
ASSERT_EQ(50, results.size());
results.clear();
}
TEST(ArtTest, test_search_negative_int64) {
art_tree t;
art_tree_init(&t);
art_document doc = get_document(1);
const int CHAR_LEN = 8;
unsigned char chars[CHAR_LEN];
const int64_t lmax = -1 * std::numeric_limits<std::int32_t>::max();
for(int64_t i = lmax-100; i < lmax; i++) {
encode_int64(i, chars);
ASSERT_TRUE(NULL == art_insert(&t, (unsigned char*)chars, CHAR_LEN, &doc, 1));
}
std::vector<const art_leaf*> results;
int res = art_int64_search(&t, lmax-1, EQUALS, results);
ASSERT_TRUE(res == 0);
ASSERT_EQ(1, results.size());
results.clear();
res = art_int64_search(&t, lmax-1, LESS_THAN_EQUALS, results);
ASSERT_TRUE(res == 0);
ASSERT_EQ(100, results.size());
results.clear();
res = art_int64_search(&t, lmax-50, LESS_THAN, results);
ASSERT_TRUE(res == 0);
ASSERT_EQ(50, results.size());
results.clear();
res = art_int64_search(&t, lmax-50, GREATER_THAN, results);
ASSERT_TRUE(res == 0);
ASSERT_EQ(49, results.size());
results.clear();
res = art_int64_search(&t, lmax-50, GREATER_THAN_EQUALS, results);
ASSERT_TRUE(res == 0);
ASSERT_EQ(50, results.size());
results.clear();
}
TEST(ArtTest, test_int32_array) {
art_tree t;
art_tree_init(&t);
art_document doc = get_document(1);
const int CHAR_LEN = 8;
unsigned char chars[CHAR_LEN];
std::vector<const art_leaf *> results;
std::vector<std::vector<uint32_t>> values = {{2014, 2015, 2016},
{2015, 2016},
{2016},
{1981, 1985},
{1999, 2000, 2001, 2002}};
for (uint32_t i = 0; i < values.size(); i++) {
for (auto j = 0; j < values[i].size(); j++) {
encode_int32(values[i][j], chars);
doc.id = i;
art_insert(&t, (unsigned char *) chars, CHAR_LEN, &doc, 1);
}
}
int res = art_int32_search(&t, 2002, GREATER_THAN, results);
ASSERT_TRUE(res == 0);
ASSERT_EQ(3, results.size());
}
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