README

Test utilities for Preflow applications — components, routes, and data layers.

Installation

composer require preflow/testing --dev

What it does

PHPUnit base cases for components, routes, and data
Fluent HTTP response assertions wrapping PSR-7 responses
In-memory SQLite and temporary JSON storage for isolated data tests
Minimal TestApplication bootstrap (container, renderer, token service)

ComponentTestCase

Extend to test Preflow components. TestApplication is wired up automatically in setUp().

use Preflow\Testing\ComponentTestCase;

final class ExampleCardTest extends ComponentTestCase
{
    public function test_renders_title(): void
    {
        $html = $this->renderComponent(ExampleCard::class, [
            'title' => 'Hello',
        ]);

        $this->assertStringContainsString('Hello', $html);
    }

    public function test_initial_state(): void
    {
        $card = $this->createComponent(ExampleCard::class, ['title' => 'Hi']);
        $card->resolveState();

        $this->assertSame('Hi', $card->title);
    }
}

RouteTestCase + TestResponse

Wrap any PSR-7 ResponseInterface for fluent assertions.

use Preflow\Testing\RouteTestCase;

final class HealthTest extends RouteTestCase
{
    public function test_health_endpoint(): void
    {
        $psrResponse = $this->app->handle($request); // your PSR-7 response

        $this->createTestResponse($psrResponse)
            ->assertOk()
            ->assertJson()
            ->assertSee('"status":"ok"');
    }
}

TestResponse assertions

Method	Description
`assertOk()`	Status 200
`assertStatus(int $status)`	Exact status code
`assertSee(string $text)`	Body contains text
`assertNotSee(string $text)`	Body does not contain text
`assertRedirect(string $uri)`	3xx + matching Location header
`assertHeader(string $name, string $value)`	Exact header value
`assertHeaderContains(string $name, string $sub)`	Header contains substring
`assertJson()`	Content-Type contains "json" + valid JSON body
`assertForbidden()`	Status 403
`assertNotFound()`	Status 404
`assertUnauthorized()`	Status 401

All assertion methods return $this for chaining.

DataTestCase

Provides an in-memory SQLite connection and a temporary JSON directory, both torn down after each test.

use Preflow\Testing\DataTestCase;
use Preflow\Data\Migration\Table;

final class PostRepositoryTest extends DataTestCase
{
    protected function setUp(): void
    {
        parent::setUp();

        $this->createTable('posts', function (Table $table) {
            $table->uuid('uuid')->primary();
            $table->string('title');
            $table->timestamps();
        });
    }

    public function test_save_and_find(): void
    {
        $driver = $this->getSqliteDriver();
        // use $driver or $this->dataManager() for ORM operations

        $pdo = $this->getPdo();
        $pdo->exec("INSERT INTO posts (uuid, title) VALUES ('1', 'Hello')");

        $row = $pdo->query("SELECT * FROM posts WHERE uuid = '1'")->fetch();
        $this->assertSame('Hello', $row['title']);
    }
}

DataTestCase methods

Method	Returns
`getSqliteDriver()`	`SqliteDriver` (in-memory SQLite)
`getJsonDriver()`	`JsonFileDriver` (temp directory)
`dataManager()`	`DataManager` with both drivers registered
`createTable(string $name, callable $cb)`	Creates table via Schema builder
`getPdo()`	Raw `\PDO` instance

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