function BlockFormTest::testGetUniqueMachineName

Tests the unique machine name generator.

See also

\Drupal\block\BlockForm::getUniqueMachineName()

File

core/modules/block/tests/src/Unit/BlockFormTest.php, line 145

Class

BlockFormTest

@coversDefaultClass \Drupal\block\BlockForm[[api-linebreak]] @group block

Namespace

Code

public function testGetUniqueMachineName() : void {
  $blocks = [];
  $blocks['test'] = $this->getBlockMockWithMachineName('test');
  $blocks['other_test'] = $this->getBlockMockWithMachineName('other_test');
  $blocks['other_test_1'] = $this->getBlockMockWithMachineName('other_test');
  $blocks['other_test_2'] = $this->getBlockMockWithMachineName('other_test');
  $query = $this->createMock('Drupal\\Core\\Entity\\Query\\QueryInterface');
  $query->expects($this->exactly(5))
    ->method('condition')
    ->willReturn($query);
  $query->expects($this->exactly(5))
    ->method('execute')
    ->willReturn([
    'test',
    'other_test',
    'other_test_1',
    'other_test_2',
  ]);
  $this->storage
    ->expects($this->exactly(5))
    ->method('getQuery')
    ->willReturn($query);
  $block_form_controller = new BlockForm($this->entityTypeManager, $this->conditionManager, $this->contextRepository, $this->language, $this->themeHandler, $this->pluginFormFactory
    ->reveal(), $this->blockRepository);
  // Ensure that the block with just one other instance gets
  // the next available name suggestion.
  $this->assertEquals('test_2', $block_form_controller->getUniqueMachineName($blocks['test']));
  // Ensure that the block with already three instances (_0, _1, _2) gets the
  // 4th available name.
  $this->assertEquals('other_test_3', $block_form_controller->getUniqueMachineName($blocks['other_test']));
  $this->assertEquals('other_test_3', $block_form_controller->getUniqueMachineName($blocks['other_test_1']));
  $this->assertEquals('other_test_3', $block_form_controller->getUniqueMachineName($blocks['other_test_2']));
  // Ensure that a block without an instance yet gets the suggestion as
  // unique machine name.
  $last_block = $this->getBlockMockWithMachineName('last_test');
  $this->assertEquals('last_test', $block_form_controller->getUniqueMachineName($last_block));
}