--- /dev/null
+<?php
+
+namespace Drupal\Tests\inline_form_errors\Unit;
+
+use Drupal\Core\Form\FormState;
+use Drupal\Core\Render\RendererInterface;
+use Drupal\Core\Utility\LinkGeneratorInterface;
+use Drupal\inline_form_errors\FormErrorHandler;
+use Drupal\Tests\UnitTestCase;
+
+/**
+ * @coversDefaultClass \Drupal\inline_form_errors\FormErrorHandler
+ * @group InlineFormErrors
+ */
+class FormErrorHandlerTest extends UnitTestCase {
+
+ /**
+ * @covers ::handleFormErrors
+ * @covers ::displayErrorMessages
+ */
+ public function testDisplayErrorMessagesInline() {
+ $link_generator = $this->getMock(LinkGeneratorInterface::class);
+ $link_generator->expects($this->any())
+ ->method('generate')
+ ->willReturnArgument(0);
+ $renderer = $this->getMock(RendererInterface::class);
+ $form_error_handler = $this->getMockBuilder(FormErrorHandler::class)
+ ->setConstructorArgs([$this->getStringTranslationStub(), $link_generator, $renderer])
+ ->setMethods(['drupalSetMessage'])
+ ->getMock();
+
+ $form_error_handler->expects($this->at(0))
+ ->method('drupalSetMessage')
+ ->with('no title given', 'error');
+ $form_error_handler->expects($this->at(1))
+ ->method('drupalSetMessage')
+ ->with('element is invisible', 'error');
+ $form_error_handler->expects($this->at(2))
+ ->method('drupalSetMessage')
+ ->with('this missing element is invalid', 'error');
+ $form_error_handler->expects($this->at(3))
+ ->method('drupalSetMessage')
+ ->with('3 errors have been found: <ul-comma-list-mock><li-mock>Test 1</li-mock><li-mock>Test 2 & a half</li-mock><li-mock>Test 3</li-mock></ul-comma-list-mock>', 'error');
+
+ $renderer->expects($this->any())
+ ->method('renderPlain')
+ ->will($this->returnCallback(function ($render_array) {
+ return $render_array[0]['#markup'] . '<ul-comma-list-mock><li-mock>' . implode(array_map('htmlspecialchars', $render_array[1]['#items']), '</li-mock><li-mock>') . '</li-mock></ul-comma-list-mock>';
+ }));
+
+ $form = [
+ '#parents' => [],
+ '#form_id' => 'test_form',
+ '#array_parents' => [],
+ ];
+ $form['test1'] = [
+ '#type' => 'textfield',
+ '#title' => 'Test 1',
+ '#parents' => ['test1'],
+ '#array_parents' => ['test1'],
+ '#id' => 'edit-test1',
+ ];
+ $form['test2'] = [
+ '#type' => 'textfield',
+ '#title' => 'Test 2 & a half',
+ '#parents' => ['test2'],
+ '#array_parents' => ['test2'],
+ '#id' => 'edit-test2',
+ ];
+ $form['fieldset'] = [
+ '#parents' => ['fieldset'],
+ '#array_parents' => ['fieldset'],
+ 'test3' => [
+ '#type' => 'textfield',
+ '#title' => 'Test 3',
+ '#parents' => ['fieldset', 'test3'],
+ '#array_parents' => ['fieldset', 'test3'],
+ '#id' => 'edit-test3',
+ ],
+ ];
+ $form['test4'] = [
+ '#type' => 'textfield',
+ '#title' => 'Test 4',
+ '#parents' => ['test4'],
+ '#array_parents' => ['test4'],
+ '#id' => 'edit-test4',
+ '#error_no_message' => TRUE,
+ ];
+ $form['test5'] = [
+ '#type' => 'textfield',
+ '#parents' => ['test5'],
+ '#array_parents' => ['test5'],
+ '#id' => 'edit-test5',
+ ];
+ $form['test6'] = [
+ '#type' => 'value',
+ '#title' => 'Test 6',
+ '#parents' => ['test6'],
+ '#array_parents' => ['test6'],
+ '#id' => 'edit-test6',
+ ];
+ $form_state = new FormState();
+ $form_state->setErrorByName('test1', 'invalid');
+ $form_state->setErrorByName('test2', 'invalid');
+ $form_state->setErrorByName('fieldset][test3', 'invalid');
+ $form_state->setErrorByName('test4', 'no error message');
+ $form_state->setErrorByName('test5', 'no title given');
+ $form_state->setErrorByName('test6', 'element is invisible');
+ $form_state->setErrorByName('missing_element', 'this missing element is invalid');
+ $form_error_handler->handleFormErrors($form, $form_state);
+ $this->assertSame('invalid', $form['test1']['#errors']);
+ }
+
+ /**
+ * @covers ::handleFormErrors
+ * @covers ::setElementErrorsFromFormState
+ */
+ public function testSetElementErrorsFromFormState() {
+ $form_error_handler = $this->getMockBuilder(FormErrorHandler::class)
+ ->setConstructorArgs([$this->getStringTranslationStub(), $this->getMock(LinkGeneratorInterface::class), $this->getMock(RendererInterface::class)])
+ ->setMethods(['drupalSetMessage'])
+ ->getMock();
+
+ $form = [
+ '#parents' => [],
+ '#form_id' => 'test_form',
+ '#array_parents' => [],
+ ];
+ $form['test'] = [
+ '#type' => 'textfield',
+ '#title' => 'Test',
+ '#parents' => ['test'],
+ '#array_parents' => ['test'],
+ '#id' => 'edit-test',
+ ];
+ $form_state = new FormState();
+ $form_state->setErrorByName('test', 'invalid');
+ $form_error_handler->handleFormErrors($form, $form_state);
+ $this->assertSame('invalid', $form['test']['#errors']);
+ }
+
+ /**
+ * Test that Quick Edit forms show non-inline errors.
+ *
+ * @covers ::handleFormErrors
+ * @covers ::displayErrorMessages
+ */
+ public function testDisplayErrorMessagesNotInlineQuickEdit() {
+ $form_error_handler = $this->getMockBuilder(FormErrorHandler::class)
+ ->setConstructorArgs([$this->getStringTranslationStub(), $this->getMock(LinkGeneratorInterface::class), $this->getMock(RendererInterface::class)])
+ ->setMethods(['drupalSetMessage'])
+ ->getMock();
+
+ $form_error_handler->expects($this->at(0))
+ ->method('drupalSetMessage')
+ ->with('invalid', 'error');
+
+ $form = [
+ '#parents' => [],
+ '#form_id' => 'quickedit_field_form',
+ '#array_parents' => [],
+ ];
+ $form['test'] = [
+ '#type' => 'textfield',
+ '#title' => 'Test',
+ '#parents' => ['test'],
+ '#id' => 'edit-test',
+ '#array_parents' => ['test']
+ ];
+ $form_state = new FormState();
+ $form_state->setErrorByName('test', 'invalid');
+ $form_error_handler->handleFormErrors($form, $form_state);
+ }
+
+}