N°7870 ✅ Prerequisites to test portal services (instantiate a symfony service)

tests/php-unit-tests/unitary-tests/tests/php-unit-tests/BootSymfonyKernelTest.php

@@ -0,0 +1,49 @@
+<?php
+
+
+namespace Combodo\iTop\Test\UnitTest\Sources\Controller;
+
+use Combodo\iTop\Portal\Controller\AggregatePageBrickController;
+use Combodo\iTop\Test\UnitTest\ItopDataTestCase;
+
+class BootSymfonyKernelTest extends ItopDataTestCase
+{
+	public function testInstantiateServiceWithAnExplicitCallToBootTheKernel()
+	{
+		$this->SetKernelClass(\Combodo\iTop\Portal\Kernel::class);
+		self::bootKernel();
+		$controller = static::getContainer()->get(AggregatePageBrickController::class);
+
+		$this->assertInstanceOf(AggregatePageBrickController::class, $controller);
+	}
+
+	public function testInstantiateServiceWithAnAutomaticKernelBoot()
+	{
+		$this->SetKernelClass(\Combodo\iTop\Portal\Kernel::class);
+		$controller = static::getContainer()->get(AggregatePageBrickController::class);
+
+		$this->assertInstanceOf(AggregatePageBrickController::class, $controller);
+	}
+
+	public function testUnspecifiedKernelClassThrowsAnException()
+	{
+		$this->expectException(\LogicException::class);
+		$this->expectExceptionMessage('static::SetKernelClass() must be called before booting the kernel');
+
+		static::getContainer();
+	}
+
+	public function testTwoDifferentKernelsCanBeStartedConsecutively()
+	{
+		self::markTestSkipped('This test is still failing: the second kernel container does not find the requested service');
+
+		$this->SetKernelClass(\Combodo\iTop\Kernel::class);
+		self::bootKernel();
+
+		$this->SetKernelClass(\Combodo\iTop\Portal\Kernel::class);
+		self::bootKernel();
+		$controller = static::getContainer()->get(AggregatePageBrickController::class);
+
+		$this->assertInstanceOf(AggregatePageBrickController::class, $controller);
+	}
+}