tachybase_todo/packages/core/database/src/mock-database.ts

99 lines
2.8 KiB
TypeScript

import path from 'path';
import { merge } from '@tachybase/utils';
import { customAlphabet } from 'nanoid';
import fetch from 'node-fetch';
import { Database, IDatabaseOptions } from './database';
export class MockDatabase extends Database {
constructor(options: IDatabaseOptions) {
super({
storage: ':memory:',
dialect: 'sqlite',
...options,
});
}
}
export function getConfigByEnv() {
const options = {
username: process.env.DB_USER,
password: process.env.DB_PASSWORD,
database: process.env.DB_DATABASE,
host: process.env.DB_HOST,
port: process.env.DB_PORT,
dialect: process.env.DB_DIALECT || 'sqlite',
logging: process.env.DB_LOGGING === 'on' ? customLogger : false,
storage: process.env.DB_STORAGE,
define: {
charset: 'utf8mb4',
collate: 'utf8mb4_unicode_ci',
},
timezone: process.env.DB_TIMEZONE,
underscored: process.env.DB_UNDERSCORED === 'true',
schema: process.env.DB_SCHEMA !== 'public' ? process.env.DB_SCHEMA : undefined,
dialectOptions: {},
};
if (process.env.DB_DIALECT == 'postgres') {
options.dialectOptions['application_name'] = 'tachybase.main';
}
return options;
}
function customLogger(queryString, queryObject) {
console.log(queryString); // outputs a string
if (queryObject.bind) {
console.log(queryObject.bind); // outputs an array
}
}
export function mockDatabase(options: IDatabaseOptions = {}): MockDatabase {
const dbOptions = merge(getConfigByEnv(), options) as any;
if (process.env['DB_TEST_PREFIX']) {
let configKey = 'database';
if (dbOptions.dialect === 'sqlite') {
configKey = 'storage';
} else {
configKey = 'database';
}
const shouldChange = () => {
if (dbOptions.dialect === 'sqlite') {
return !dbOptions[configKey].includes(process.env['DB_TEST_PREFIX']);
}
return !dbOptions[configKey].startsWith(process.env['DB_TEST_PREFIX']);
};
if (dbOptions[configKey] && shouldChange()) {
const nanoid = customAlphabet('1234567890abcdefghijklmnopqrstuvwxyz', 10);
const instanceId = `d_${nanoid()}`;
const databaseName = `${process.env['DB_TEST_PREFIX']}_${instanceId}`;
if (dbOptions.dialect === 'sqlite') {
dbOptions.storage = path.resolve(path.dirname(dbOptions.storage), databaseName);
} else {
dbOptions.database = databaseName;
}
}
if (process.env['DB_TEST_DISTRIBUTOR_PORT']) {
dbOptions.hooks = dbOptions.hooks || {};
dbOptions.hooks.beforeConnect = async (config) => {
const url = `http://127.0.0.1:${process.env['DB_TEST_DISTRIBUTOR_PORT']}/acquire?via=${db.instanceId}&name=${config.database}`;
await fetch(url);
};
}
}
const db = new MockDatabase(dbOptions);
return db;
}