MIRROR: javascript for 🐜's, a tiny runtime with big ambitions
design lmdb api
+69
-1
+59
examples/spec/lmdb.js
+59
examples/spec/lmdb.js
···
1
+
import { test, summary } from './helpers.js';
2
+
import lmdb from 'ant:lmdb';
3
+
import fs from 'ant:fs';
4
+
5
+
console.log('LMDB Tests\n');
6
+
7
+
const dbPath = `ant-spec-lmdb-${Date.now()}-${Math.floor(Math.random() * 1e6)}.mdb`;
8
+
9
+
test('lmdb.version is string', typeof lmdb.version, 'string');
10
+
test('lmdb.open exists', typeof lmdb.open, 'function');
11
+
test('lmdb.constants exists', typeof lmdb.constants, 'object');
12
+
13
+
const env = lmdb.open(dbPath, {
14
+
noSubdir: true,
15
+
mapSize: 4 * 1024 * 1024,
16
+
maxDbs: 8
17
+
});
18
+
test('env open', typeof env.openDB, 'function');
19
+
20
+
const db = env.openDB('main', { create: true });
21
+
test('db open', typeof db.get, 'function');
22
+
23
+
db.put('hello', 'world');
24
+
test('db.get string', db.get('hello', { as: 'string' }), 'world');
25
+
26
+
const bytesIn = new Uint8Array([1, 2, 3, 255]);
27
+
db.put('bytes', bytesIn);
28
+
const bytesOut = db.get('bytes');
29
+
test('db.get bytes is Uint8Array', bytesOut instanceof Uint8Array, true);
30
+
test('db.get bytes length', bytesOut.length, 4);
31
+
test('db.get bytes[3]', bytesOut[3], 255);
32
+
33
+
const tx = env.beginTxn();
34
+
tx.put(db, 'tx-key', 'tx-value');
35
+
tx.commit();
36
+
test('txn commit', db.get('tx-key', { as: 'string' }), 'tx-value');
37
+
38
+
const ro = env.beginTxn({ readOnly: true });
39
+
test('ro txn read', ro.get(db, 'tx-key', { as: 'string' }), 'tx-value');
40
+
ro.abort();
41
+
42
+
test('db.del returns true', db.del('hello'), true);
43
+
test('db.get missing returns undefined', db.get('hello'), undefined);
44
+
45
+
const stat = env.stat();
46
+
const info = env.info();
47
+
test('env.stat entries number', typeof stat.entries, 'number');
48
+
test('env.info mapSize number', typeof info.mapSize, 'number');
49
+
50
+
db.close();
51
+
env.close();
52
+
53
+
if (fs.existsSync(dbPath)) fs.unlinkSync(dbPath);
54
+
if (fs.existsSync(`${dbPath}-lock`)) fs.unlinkSync(`${dbPath}-lock`);
55
+
56
+
test('db file cleaned up', fs.existsSync(dbPath), false);
57
+
test('db lock file cleaned up', fs.existsSync(`${dbPath}-lock`), false);
58
+
59
+
summary();
+9
include/modules/lmdb.h
+9
include/modules/lmdb.h
+1
-1
meson/deps/meson.build
+1
-1
meson/deps/meson.build
···
211
211
llhttp, pcre2_dep, libuv_dep, base64_dep,
212
212
argtable3_dep, tlsuv_dep, libsodium_dep,
213
213
yyjson_dep, minicoro_dep, uuidv7_dep,
214
-
openssl_dep, zlib_dep, uthash_dep,
214
+
openssl_dep, zlib_dep, uthash_dep, lmdb_dep,
215
215
] + mbedtls_dep + win_deps
216
216
217
217
if host_machine.system() == 'darwin'