database/tests/ConnectionTest.php

<?php
use PHPUnit\Framework\TestCase;

use ProVM\Database\Connection;
use ProVM\Concept;

class ConnectionTest extends TestCase
{
    protected PDO $pdo;
    protected function setUp(): void
    {
        $this->pdo = new PDO('sqlite::memory:');
        $query = "CREATE TABLE IF NOT EXISTS test_table (id INTEGER PRIMARY KEY, test TEXT)";
        $this->pdo->query($query);
    }
    protected function tearDown(): void
    {
        unset($this->pdo);
    }

    public function testConnection()
    {
        $host = "memory";

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

        $connection = new Connection($database);
        $this->assertEquals($this->pdo, $connection->connect());
    }
    public function testQuery()
    {
        $host = "memory";

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

        $connection = new Connection($database);
        $query = "CREATE TABLE IF NOT EXISTS test_table (id INTEGER PRIMARY KEY, test TEXT)";
        $connection->query($query);
        $query = "SELECT * FROM test_table";
        $result = $connection->query($query);
        $this->assertInstanceOf(Concept\Database\ResultSet::class, $result);
    }
    public function testPrepare()
    {
        $host = "memory";

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

        $connection = new Connection($database);
        $query = "CREATE TABLE IF NOT EXISTS test_table (id INTEGER PRIMARY KEY, test TEXT)";
        $connection->query($query);
        $query = "SELECT * FROM test_table";
        $result = $connection->prepare($query);
        $this->assertInstanceOf(Concept\Database\ResultSet::class, $result);
    }
}