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test.ts
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test.ts
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import {
assertEquals,
assertThrowsAsync
} from "https://deno.land/std/testing/asserts.ts";
import { runTests, test } from "https://deno.land/std/testing/mod.ts";
import { Client } from "./mod.ts";
import { WriteError } from "./src/consttants/errors.ts";
let client: Client;
test(async function testCreateDb() {
await client.query(`CREATE DATABASE IF NOT EXISTS enok`);
});
test(async function testCreateTable() {
await client.query(`DROP TABLE IF EXISTS users`);
await client.query(`
CREATE TABLE users (
id int(11) NOT NULL AUTO_INCREMENT,
name varchar(100) NOT NULL,
is_top tinyint(1) default 0,
created_at timestamp not null default current_timestamp,
PRIMARY KEY (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
`);
});
test(async function testInsert() {
let result = await client.execute(`INSERT INTO users(name) values(?)`, [
"manyuanrong"
]);
assertEquals(result, { affectedRows: 1, lastInsertId: 1 });
result = await client.execute(`INSERT INTO users ?? values ?`, [
["id", "name"],
[2, "MySQL"]
]);
assertEquals(result, { affectedRows: 1, lastInsertId: 2 });
});
test(async function testUpdate() {
let result = await client.execute(`update users set ?? = ?, ?? = ? WHERE id = ?`, [
"name",
"MYR",
"created_at",
new Date(),
1
]);
assertEquals(result, { affectedRows: 1, lastInsertId: 0 });
});
test(async function testQuery() {
let result = await client.query(
"select ??,`is_top`,`name` from ?? where id = ?",
["id", "users", 1]
);
assertEquals(result, [{ id: 1, name: "MYR", is_top: false }]);
});
test(async function testQueryErrorOccurred() {
assertEquals(1, client.poolSize);
await assertThrowsAsync(
() => client.query("select unknownfield from `users`"),
Error
);
await client.query("select 1");
assertEquals(client.poolSize, 1);
});
test(async function testQueryList() {
const sql = "select ??,?? from ??";
let result = await client.query(sql, ["id", "name", "users"]);
assertEquals(result, [{ id: 1, name: "MYR" }, { id: 2, name: "MySQL" }]);
});
test(async function testDelete() {
let result = await client.execute(`delete from users where ?? = ?`, [
"id",
1
]);
assertEquals(result, { affectedRows: 1, lastInsertId: 0 });
});
test(async function testPool() {
assertEquals(1, client.poolLength);
assertEquals(1, client.poolSize);
const expect = new Array(10).fill([
{
"1": 1
}
]);
const result = await Promise.all(expect.map(() => client.query(`select 1`)));
assertEquals(client.config.pool, client.poolLength);
assertEquals(client.config.pool, client.poolSize);
assertEquals(result, expect);
});
test(async function testQueryOnClosed() {
for (const i of [0, 0, 0]) {
await assertThrowsAsync(async () => {
await client.transaction(async conn => {
await conn.close();
await conn.query("SELECT 1");
});
}, WriteError);
}
assertEquals(client.poolSize, 0);
const result = client.query("select 1");
});
test(async function testTransactionSuccess() {
const success = await client.transaction(async connection => {
await connection.execute("insert into users(name) values(?)", [
"transaction1"
]);
await connection.execute("delete from users where id = ?", [2]);
return true;
});
assertEquals(true, success);
const result = await client.query("select name,id from users");
assertEquals([{ name: "transaction1", id: 3 }], result);
});
test(async function testTransactionRollback() {
let success;
await assertThrowsAsync(async () => {
success = await client.transaction(async connection => {
// Insert an existing id
await connection.execute("insert into users(name,id) values(?,?)", [
"transaction2",
3
]);
return true;
});
});
assertEquals(undefined, success);
const result = await client.query("select name from users");
assertEquals([{ name: "transaction1" }], result);
});
async function main() {
const { DB_PORT, DB_NAME, DB_PASSWORD, DB_USER, DB_HOST } = Deno.env();
const port = DB_PORT ? parseInt(DB_PORT) : 3306;
const db = DB_NAME || "test";
const password = DB_PASSWORD;
const username = DB_USER || "root";
const hostname = DB_HOST || "127.0.0.1";
const config = {
timeout: 10000,
pool: 3,
debug: false,
hostname,
username,
port,
db,
password
};
client = await new Client().connect({ ...config, pool: 1, db: null });
await client.execute(`CREATE DATABASE IF NOT EXISTS ${db}`);
await client.close();
client = await new Client().connect(config);
await runTests();
console.log("end");
}
main();