function ContextHandlerTraitTest::testMissingContext

Tests that a missing required context triggers an exception.

@covers ::prepareContext

File

tests/src/Unit/ContextHandlerTraitTest.php, line 25

Class

ContextHandlerTraitTest
@coversDefaultClass \Drupal\rules\Context\ContextHandlerTrait[[api-linebreak]] @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(),
  ]);
}