SubformStateTest.php

<?php

namespace Drupal\Tests\Core\Form;

use Drupal\Component\Utility\NestedArray;
use Drupal\Core\Form\FormState;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Form\SubformState;
use Drupal\Core\Form\SubformStateInterface;
use Drupal\Tests\UnitTestCase;

/**
 * @coversDefaultClass \Drupal\Core\Form\SubformState
 *
 * @group Form
 */
class SubformStateTest extends UnitTestCase {
    
    /**
     * The form state's values test fixture.
     *
     * @var mixed[]
     */
    protected $formStateValues = [
        'foo' => 'bar',
        'dog' => [
            'breed' => 'Pit bull',
            'name' => 'Dodger',
        ],
    ];
    
    /**
     * The parent form.
     *
     * @var mixed[]
     */
    protected $parentForm = [
        '#parents' => [],
        'foo' => [
            '#parents' => [
                'foo',
            ],
            '#array_parents' => [
                'foo',
            ],
        ],
        'dog' => [
            '#parents' => [
                'dog',
            ],
            '#array_parents' => [
                'dog',
            ],
            'breed' => [
                '#parents' => [
                    'dog',
                    'breed',
                ],
                '#array_parents' => [
                    'dog',
                    'breed',
                ],
            ],
            'name' => [
                '#parents' => [
                    'dog',
                    'name',
                ],
                '#array_parents' => [
                    'dog',
                    'name',
                ],
            ],
        ],
    ];
    
    /**
     * @covers ::getValues
     * @covers ::getParents
     *
     * @dataProvider providerGetValues
     *
     * @param string[] $parents
     * @param string $expected
     */
    public function testGetValues(array $parents, $expected) {
        $parent_form_state = new FormState();
        $parent_form_state->setValues($this->formStateValues);
        $subform = NestedArray::getValue($this->parentForm, $parents);
        $subform_state = SubformState::createForSubform($subform, $this->parentForm, $parent_form_state);
        $subform_state_values =& $subform_state->getValues();
        $this->assertSame($expected, $subform_state_values);
        // Modify the retrieved values and confirm they are modified by reference in
        // the parent form state.
        $subform_state_values['fish'] = 'Jim';
        $this->assertSame($subform_state_values, $subform_state->getValues());
    }
    
    /**
     * Provides data to self::testGetValues().
     */
    public function providerGetValues() {
        $data = [];
        $data['exist'] = [
            [
                'dog',
            ],
            $this->formStateValues['dog'],
        ];
        return $data;
    }
    
    /**
     * @covers ::getValues
     * @covers ::getParents
     *
     * @dataProvider providerGetValuesBroken
     *
     * @param string[] $parents
     * @param string $expected
     */
    public function testGetValuesBroken(array $parents, $expected) {
        $this->expectException(\UnexpectedValueException::class);
        $this->testGetValues($parents, $expected);
    }
    
    /**
     * Provides data to self::testGetValuesBroken().
     */
    public function providerGetValuesBroken() {
        $data = [];
        $data['exist'] = [
            [
                'foo',
            ],
            $this->formStateValues['foo'],
        ];
        $data['nested'] = [
            [
                'dog',
                'name',
            ],
            'Dodger',
        ];
        return $data;
    }
    
    /**
     * @covers ::getValue
     *
     * @dataProvider providerTestGetValue
     */
    public function testGetValue($parents, $key, $expected, $default = NULL) {
        $parent_form_state = new FormState();
        $parent_form_state->setValues($this->formStateValues);
        $subform = NestedArray::getValue($this->parentForm, $parents);
        $subform_state = SubformState::createForSubform($subform, $this->parentForm, $parent_form_state);
        $subform_state_value =& $subform_state->getValue($key, $default);
        $this->assertSame($expected, $subform_state_value);
        // Modify the retrieved values and confirm they are modified by reference in
        // the parent form state.
        $subform_state_value = 'Jim';
        $this->assertSame($subform_state_value, $subform_state->getValue($key));
    }
    
    /**
     * Provides data to self::testGetValue().
     */
    public function providerTestGetValue() {
        $data = [];
        $data['exist'] = [
            [
                'dog',
            ],
            'name',
            'Dodger',
        ];
        return $data;
    }
    
    /**
     * @covers ::getValue
     *
     * @dataProvider providerTestGetValueBroken
     */
    public function testGetValueBroken(array $parents, $key, $expected, $default = NULL) {
        $this->expectException(\UnexpectedValueException::class);
        $this->testGetValue($parents, $key, $expected, $default);
    }
    
    /**
     * Provides data to self::testGetValueBroken().
     */
    public function providerTestGetValueBroken() {
        $data = [];
        $data['nested'] = [
            [
                'dog',
                'name',
            ],
            NULL,
            'Dodger',
        ];
        return $data;
    }
    
    /**
     * @covers ::setValues
     *
     * @dataProvider providerTestSetValues
     */
    public function testSetValues($parents, $new_values, $expected) {
        $parent_form_state = new FormState();
        $parent_form_state->setValues($this->formStateValues);
        $subform = NestedArray::getValue($this->parentForm, $parents);
        $subform_state = SubformState::createForSubform($subform, $this->parentForm, $parent_form_state);
        $this->assertSame($subform_state, $subform_state->setValues($new_values));
        $this->assertSame($expected, $parent_form_state->getValues());
    }
    
    /**
     * Provides data to self::testSetValues().
     */
    public function providerTestSetValues() {
        $data = [];
        $data['exist'] = [
            [
                'dog',
            ],
            [],
            [
                'foo' => 'bar',
                'dog' => [],
            ],
        ];
        return $data;
    }
    
    /**
     * @covers ::setValues
     *
     * @dataProvider providerTestSetValuesBroken
     */
    public function testSetValuesBroken($parents, $new_values, $expected) {
        $this->expectException(\UnexpectedValueException::class);
        $this->testSetValues($parents, $new_values, $expected);
    }
    
    /**
     * Provides data to self::testSetValuesBroken().
     */
    public function providerTestSetValuesBroken() {
        $data = [];
        $data['exist'] = [
            [
                'foo',
            ],
            [],
            [
                'foo' => [],
                'dog' => $this->formStateValues['dog'],
            ],
        ];
        return $data;
    }
    
    /**
     * @covers ::getCompleteFormState
     */
    public function testGetCompleteFormStateWithParentCompleteForm() {
        $parent_form_state = $this->prophesize(FormStateInterface::class);
        $subform_state = SubformState::createForSubform($this->parentForm['dog'], $this->parentForm, $parent_form_state->reveal());
        $this->assertSame($parent_form_state->reveal(), $subform_state->getCompleteFormState());
    }
    
    /**
     * @covers ::getCompleteFormState
     */
    public function testGetCompleteFormStateWithParentSubform() {
        $complete_form_state = $this->prophesize(FormStateInterface::class);
        $parent_form_state = $this->prophesize(SubformStateInterface::class);
        $parent_form_state->getCompleteFormState()
            ->willReturn($complete_form_state->reveal())
            ->shouldBeCalled();
        $subform_state = SubformState::createForSubform($this->parentForm['dog'], $this->parentForm, $parent_form_state->reveal());
        $this->assertSame($complete_form_state->reveal(), $subform_state->getCompleteFormState());
    }
    
    /**
     * @covers ::setLimitValidationErrors
     */
    public function testSetLimitValidationErrors() {
        $parent_limit_validation_errors = [
            'dog',
            'name',
        ];
        $limit_validation_errors = [
            'name',
        ];
        $parent_form_state = $this->prophesize(FormStateInterface::class);
        $parent_form_state->setLimitValidationErrors($parent_limit_validation_errors)
            ->shouldBeCalled();
        $subform_state = SubformState::createForSubform($this->parentForm['dog'], $this->parentForm, $parent_form_state->reveal());
        $this->assertSame($subform_state, $subform_state->setLimitValidationErrors($limit_validation_errors));
    }
    
    /**
     * @covers ::getLimitValidationErrors
     */
    public function testGetLimitValidationErrors() {
        $parent_limit_validation_errors = [
            'dog',
            'name',
        ];
        $limit_validation_errors = [
            'name',
        ];
        $parent_form_state = $this->prophesize(FormStateInterface::class);
        $parent_form_state->getLimitValidationErrors()
            ->willReturn($parent_limit_validation_errors)
            ->shouldBeCalled();
        $subform_state = SubformState::createForSubform($this->parentForm['dog'], $this->parentForm, $parent_form_state->reveal());
        $this->assertSame($limit_validation_errors, $subform_state->getLimitValidationErrors());
    }
    
    /**
     * @covers ::setErrorByName
     */
    public function testSetErrorByName() {
        $parent_form_error_name = 'dog][name';
        $subform_error_name = 'name';
        $message = 'De kat krabt de krullen van de trap.';
        $parent_form_state = $this->prophesize(FormStateInterface::class);
        $parent_form_state->setErrorByName($parent_form_error_name, $message)
            ->shouldBeCalled();
        $subform_state = SubformState::createForSubform($this->parentForm['dog'], $this->parentForm, $parent_form_state->reveal());
        $this->assertSame($subform_state, $subform_state->setErrorByName($subform_error_name, $message));
    }

}