function ImplementationListTest::testPublicMethods

Tests public methods on a common instance.

This is easier than separate test methods.

File

core/tests/Drupal/Tests/Core/Hook/ImplementationListTest.php, line 31

Class

ImplementationListTest

Tests ImplementationList.

Namespace

Code

public function testPublicMethods() : void {
  $listeners = [
    fn() => 'a0',
    fn() => 'b',
    fn() => 'a1',
  ];
  $modules = [
    'module_a',
    'module_b',
    // Repeat the same module.
'module_a',
  ];
  $list = new ImplementationList($listeners, $modules);
  // Test public properties.
  $this->assertSame($listeners, $list->listeners);
  $this->assertSame($modules, $list->modules);
  // Test iterateByModule().
  $i = 0;
  foreach ($list->iterateByModule() as $module => $listener) {
    $this->assertSame($modules[$i], $module);
    $this->assertSame($listeners[$i], $listener);
    ++$i;
  }
  // Test getForModule().
  $this->assertSame([], $list->getForModule('other_module'));
  $this->assertSame([
    $listeners[0],
    $listeners[2],
  ], $list->getForModule('module_a'));
  $this->assertSame([
    $listeners[1],
  ], $list->getForModule('module_b'));
  // Test hasImplementations().
  $this->assertTrue($list->hasImplementations());
  // Test hasImplementationsForModules().
  $this->assertFalse($list->hasImplementationsForModules([
    'other_module',
  ]));
  $this->assertFalse($list->hasImplementationsForModules([]));
  $this->assertTrue($list->hasImplementationsForModules([
    'other_module',
    'module_a',
  ]));
  $this->assertTrue($list->hasImplementationsForModules([
    'module_b',
  ]));
}