database/tests/ConnectionTest.php

<?php
use PHPUnit\Framework\TestCase;

use Database\Implement\Connection;
use Database\Define;

class ConnectionTest extends TestCase
{
    protected string $host = '/tmp/test.db3';
    protected string $tableName = 'test_table';
    protected PDO $pdo;
    protected function setUp(): void
    {
        $this->pdo = new PDO("sqlite:{$this->host}");
        $query = "CREATE TABLE IF NOT EXISTS {$this->tableName} (id INTEGER PRIMARY KEY, test TEXT)";
        $this->pdo->query($query);
        $query = "INSERT INTO {$this->tableName} (test) VALUES ('test')";
        $this->pdo->query($query);
    }
    protected function tearDown(): void
    {
        unset($this->pdo);
        unlink($this->host);
    }

    protected function getConnection(): Connection
    {
        $host = $this->host;

        $database = $this->getMockBuilder(Define\Database::class)->getMock();
        $database->method('getHost')->willReturn($host);
        $database->method('getDsn')->willReturn("sqlite:{$host}");
        $database->method('needsUser')->willReturn(false);

        return new Connection($database);
    }

    public function testConnection()
    {
        $connection = $this->getConnection();
        $this->assertEquals($this->pdo, $connection->getPDO());
    }
    public function testQuery()
    {
        $connection = $this->getConnection();
        $query = "CREATE TABLE IF NOT EXISTS test_table (id INTEGER PRIMARY KEY, test TEXT)";
        $connection->query($query);
        $query = "SELECT * FROM test_table";
        $connection->query($query);
        $this->assertTrue(true);
    }
    public function testPrepare()
    {
        $connection = $this->getConnection();
        $query = "CREATE TABLE IF NOT EXISTS test_table (id INTEGER PRIMARY KEY, test TEXT)";
        $connection->query($query);
        $query = "SELECT * FROM test_table";
        $connection->prepare($query);
        $this->assertTrue(true);
    }
}