public function ContextHandlerTraitTest::testMissingContext in Rules 8.3

Tests that a missing required context triggers an exception.

@covers ::prepareContext

File

tests/src/Unit/ContextHandlerTraitTest.php, line 23

Class

ContextHandlerTraitTest

@coversDefaultClass \Drupal\rules\Context\ContextHandlerTrait @group Rules

Namespace

Drupal\Tests\rules\Unit

Code

public function testMissingContext() {

  // Set the expected exception class and message.
  $this
    ->expectException(EvaluationException::class);
  $this
    ->expectExceptionMessage("Required context 'test' is missing for plugin 'testplugin'");

  // Set 'getContextValue' as mocked method.
  $trait = $this
    ->getMockForTrait(ContextHandlerTrait::class, [], '', TRUE, TRUE, TRUE, [
    'getContextValue',
  ]);
  $context_definition = $this
    ->prophesize(ContextDefinitionInterface::class);

  // Let the trait work with an empty configuration.
  $trait->configuration = ContextConfig::create()
    ->toArray();

  // Make the context required in the definition.
  $context_definition
    ->isRequired()
    ->willReturn(TRUE)
    ->shouldBeCalledTimes(1);
  $plugin = $this
    ->prophesize(ContextAwarePluginInterface::class);
  $plugin
    ->getContextDefinitions()
    ->willReturn([
    'test' => $context_definition
      ->reveal(),
  ])
    ->shouldBeCalled(1);
  $plugin
    ->getContextValue('test')
    ->willReturn(NULL)
    ->shouldBeCalled(1);
  $plugin
    ->getPluginId()
    ->willReturn('testplugin')
    ->shouldBeCalledTimes(1);
  $state = $this
    ->prophesize(ExecutionStateInterface::class);

  // Make the 'mapContext' method visible.
  $reflection = new \ReflectionClass($trait);
  $method = $reflection
    ->getMethod('prepareContext');
  $method
    ->setAccessible(TRUE);
  $method
    ->invokeArgs($trait, [
    $plugin
      ->reveal(),
    $state
      ->reveal(),
  ]);
}