class NumberFieldTest

class NumberFieldTest extends BrowserTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'node',
        'entity_test',
        'field_ui',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    protected function setUp() {
        parent::setUp();
        $this->drupalLogin($this->drupalCreateUser([
            'view test entity',
            'administer entity_test content',
            'administer content types',
            'administer node fields',
            'administer node display',
            'bypass node access',
            'administer entity_test fields',
        ]));
    }
    
    /**
     * Test decimal field.
     */
    public function testNumberDecimalField() {
        // Create a field with settings to validate.
        $field_name = mb_strtolower($this->randomMachineName());
        FieldStorageConfig::create([
            'field_name' => $field_name,
            'entity_type' => 'entity_test',
            'type' => 'decimal',
            'settings' => [
                'precision' => 8,
                'scale' => 4,
            ],
        ])->save();
        FieldConfig::create([
            'field_name' => $field_name,
            'entity_type' => 'entity_test',
            'bundle' => 'entity_test',
        ])->save();
        
        /** @var \Drupal\Core\Entity\EntityDisplayRepositoryInterface $display_repository */
        $display_repository = \Drupal::service('entity_display.repository');
        $display_repository->getFormDisplay('entity_test', 'entity_test')
            ->setComponent($field_name, [
            'type' => 'number',
            'settings' => [
                'placeholder' => '0.00',
            ],
        ])
            ->save();
        $display_repository->getViewDisplay('entity_test', 'entity_test')
            ->setComponent($field_name, [
            'type' => 'number_decimal',
        ])
            ->save();
        // Display creation form.
        $this->drupalGet('entity_test/add');
        $this->assertFieldByName("{$field_name}[0][value]", '', 'Widget is displayed');
        $this->assertRaw('placeholder="0.00"');
        // Submit a signed decimal value within the allowed precision and scale.
        $value = '-1234.5678';
        $edit = [
            "{$field_name}[0][value]" => $value,
        ];
        $this->drupalPostForm(NULL, $edit, t('Save'));
        preg_match('|entity_test/manage/(\\d+)|', $this->getUrl(), $match);
        $id = $match[1];
        $this->assertText(t('entity_test @id has been created.', [
            '@id' => $id,
        ]), 'Entity was created');
        $this->assertRaw($value, 'Value is displayed.');
        // Try to create entries with more than one decimal separator; assert fail.
        $wrong_entries = [
            '3.14.159',
            '0..45469',
            '..4589',
            '6.459.52',
            '6.3..25',
        ];
        foreach ($wrong_entries as $wrong_entry) {
            $this->drupalGet('entity_test/add');
            $edit = [
                "{$field_name}[0][value]" => $wrong_entry,
            ];
            $this->drupalPostForm(NULL, $edit, t('Save'));
            $this->assertRaw(t('%name must be a number.', [
                '%name' => $field_name,
            ]), 'Correctly failed to save decimal value with more than one decimal point.');
        }
        // Try to create entries with minus sign not in the first position.
        $wrong_entries = [
            '3-3',
            '4-',
            '1.3-',
            '1.2-4',
            '-10-10',
        ];
        foreach ($wrong_entries as $wrong_entry) {
            $this->drupalGet('entity_test/add');
            $edit = [
                "{$field_name}[0][value]" => $wrong_entry,
            ];
            $this->drupalPostForm(NULL, $edit, t('Save'));
            $this->assertRaw(t('%name must be a number.', [
                '%name' => $field_name,
            ]), 'Correctly failed to save decimal value with minus sign in the wrong position.');
        }
    }
    
    /**
     * Test integer field.
     */
    public function testNumberIntegerField() {
        $minimum = rand(-4000, -2000);
        $maximum = rand(2000, 4000);
        // Create a field with settings to validate.
        $field_name = mb_strtolower($this->randomMachineName());
        $storage = FieldStorageConfig::create([
            'field_name' => $field_name,
            'entity_type' => 'entity_test',
            'type' => 'integer',
        ]);
        $storage->save();
        FieldConfig::create([
            'field_name' => $field_name,
            'entity_type' => 'entity_test',
            'bundle' => 'entity_test',
            'settings' => [
                'min' => $minimum,
                'max' => $maximum,
                'prefix' => 'ThePrefix',
            ],
        ])->save();
        
        /** @var \Drupal\Core\Entity\EntityDisplayRepositoryInterface $display_repository */
        $display_repository = \Drupal::service('entity_display.repository');
        $display_repository->getFormDisplay('entity_test', 'entity_test')
            ->setComponent($field_name, [
            'type' => 'number',
            'settings' => [
                'placeholder' => '4',
            ],
        ])
            ->save();
        $display_repository->getViewDisplay('entity_test', 'entity_test')
            ->setComponent($field_name, [
            'type' => 'number_integer',
            'settings' => [
                'prefix_suffix' => FALSE,
            ],
        ])
            ->save();
        // Check the storage schema.
        $expected = [
            'columns' => [
                'value' => [
                    'type' => 'int',
                    'unsigned' => '',
                    'size' => 'normal',
                ],
            ],
            'unique keys' => [],
            'indexes' => [],
            'foreign keys' => [],
        ];
        $this->assertEqual($storage->getSchema(), $expected);
        // Display creation form.
        $this->drupalGet('entity_test/add');
        $this->assertFieldByName("{$field_name}[0][value]", '', 'Widget is displayed');
        $this->assertRaw('placeholder="4"');
        // Submit a valid integer
        $value = rand($minimum, $maximum);
        $edit = [
            "{$field_name}[0][value]" => $value,
        ];
        $this->drupalPostForm(NULL, $edit, t('Save'));
        preg_match('|entity_test/manage/(\\d+)|', $this->getUrl(), $match);
        $id = $match[1];
        $this->assertText(t('entity_test @id has been created.', [
            '@id' => $id,
        ]), 'Entity was created');
        // Try to set a value below the minimum value
        $this->drupalGet('entity_test/add');
        $edit = [
            "{$field_name}[0][value]" => $minimum - 1,
        ];
        $this->drupalPostForm(NULL, $edit, t('Save'));
        $this->assertRaw(t('%name must be higher than or equal to %minimum.', [
            '%name' => $field_name,
            '%minimum' => $minimum,
        ]), 'Correctly failed to save integer value less than minimum allowed value.');
        // Try to set a decimal value
        $this->drupalGet('entity_test/add');
        $edit = [
            "{$field_name}[0][value]" => 1.5,
        ];
        $this->drupalPostForm(NULL, $edit, t('Save'));
        $this->assertRaw(t('%name is not a valid number.', [
            '%name' => $field_name,
        ]), 'Correctly failed to save decimal value to integer field.');
        // Try to set a value above the maximum value
        $this->drupalGet('entity_test/add');
        $edit = [
            "{$field_name}[0][value]" => $maximum + 1,
        ];
        $this->drupalPostForm(NULL, $edit, t('Save'));
        $this->assertRaw(t('%name must be lower than or equal to %maximum.', [
            '%name' => $field_name,
            '%maximum' => $maximum,
        ]), 'Correctly failed to save integer value greater than maximum allowed value.');
        // Try to set a wrong integer value.
        $this->drupalGet('entity_test/add');
        $edit = [
            "{$field_name}[0][value]" => '20-40',
        ];
        $this->drupalPostForm(NULL, $edit, t('Save'));
        $this->assertRaw(t('%name must be a number.', [
            '%name' => $field_name,
        ]), 'Correctly failed to save wrong integer value.');
        // Test with valid entries.
        $valid_entries = [
            '-1234',
            '0',
            '1234',
        ];
        foreach ($valid_entries as $valid_entry) {
            $this->drupalGet('entity_test/add');
            $edit = [
                "{$field_name}[0][value]" => $valid_entry,
            ];
            $this->drupalPostForm(NULL, $edit, t('Save'));
            preg_match('|entity_test/manage/(\\d+)|', $this->getUrl(), $match);
            $id = $match[1];
            $this->assertText(t('entity_test @id has been created.', [
                '@id' => $id,
            ]), 'Entity was created');
            $this->assertRaw($valid_entry, 'Value is displayed.');
            $this->assertNoFieldByXpath('//div[@content="' . $valid_entry . '"]', NULL, 'The "content" attribute is not present since the Prefix is not being displayed');
        }
        // Test for the content attribute when a Prefix is displayed. Presumably this also tests for the attribute when a Suffix is displayed.
        $display_repository->getViewDisplay('entity_test', 'entity_test')
            ->setComponent($field_name, [
            'type' => 'number_integer',
            'settings' => [
                'prefix_suffix' => TRUE,
            ],
        ])
            ->save();
        $integer_value = '123';
        $this->drupalGet('entity_test/add');
        $edit = [
            "{$field_name}[0][value]" => $integer_value,
        ];
        $this->drupalPostForm(NULL, $edit, t('Save'));
        preg_match('|entity_test/manage/(\\d+)|', $this->getUrl(), $match);
        $id = $match[1];
        $this->assertText(t('entity_test @id has been created.', [
            '@id' => $id,
        ]), 'Entity was created');
        $this->drupalGet('entity_test/' . $id);
        $this->assertFieldByXPath('//div[@content="' . $integer_value . '"]', 'ThePrefix' . $integer_value, 'The "content" attribute has been set to the value of the field, and the prefix is being displayed.');
    }
    
    /**
     * Test float field.
     */
    public function testNumberFloatField() {
        // Create a field with settings to validate.
        $field_name = mb_strtolower($this->randomMachineName());
        FieldStorageConfig::create([
            'field_name' => $field_name,
            'entity_type' => 'entity_test',
            'type' => 'float',
        ])->save();
        FieldConfig::create([
            'field_name' => $field_name,
            'entity_type' => 'entity_test',
            'bundle' => 'entity_test',
        ])->save();
        
        /** @var \Drupal\Core\Entity\EntityDisplayRepositoryInterface $display_repository */
        $display_repository = \Drupal::service('entity_display.repository');
        $display_repository->getFormDisplay('entity_test', 'entity_test')
            ->setComponent($field_name, [
            'type' => 'number',
            'settings' => [
                'placeholder' => '0.00',
            ],
        ])
            ->save();
        $display_repository->getViewDisplay('entity_test', 'entity_test')
            ->setComponent($field_name, [
            'type' => 'number_decimal',
        ])
            ->save();
        // Display creation form.
        $this->drupalGet('entity_test/add');
        $this->assertFieldByName("{$field_name}[0][value]", '', 'Widget is displayed');
        $this->assertRaw('placeholder="0.00"');
        // Submit a signed decimal value within the allowed precision and scale.
        $value = '-1234.5678';
        $edit = [
            "{$field_name}[0][value]" => $value,
        ];
        $this->drupalPostForm(NULL, $edit, t('Save'));
        preg_match('|entity_test/manage/(\\d+)|', $this->getUrl(), $match);
        $id = $match[1];
        $this->assertText(t('entity_test @id has been created.', [
            '@id' => $id,
        ]), 'Entity was created');
        // Ensure that the 'number_decimal' formatter displays the number with the
        // expected rounding.
        $this->drupalGet('entity_test/' . $id);
        $this->assertRaw(round($value, 2));
        // Try to create entries with more than one decimal separator; assert fail.
        $wrong_entries = [
            '3.14.159',
            '0..45469',
            '..4589',
            '6.459.52',
            '6.3..25',
        ];
        foreach ($wrong_entries as $wrong_entry) {
            $this->drupalGet('entity_test/add');
            $edit = [
                "{$field_name}[0][value]" => $wrong_entry,
            ];
            $this->drupalPostForm(NULL, $edit, t('Save'));
            $this->assertRaw(t('%name must be a number.', [
                '%name' => $field_name,
            ]), 'Correctly failed to save float value with more than one decimal point.');
        }
        // Try to create entries with minus sign not in the first position.
        $wrong_entries = [
            '3-3',
            '4-',
            '1.3-',
            '1.2-4',
            '-10-10',
        ];
        foreach ($wrong_entries as $wrong_entry) {
            $this->drupalGet('entity_test/add');
            $edit = [
                "{$field_name}[0][value]" => $wrong_entry,
            ];
            $this->drupalPostForm(NULL, $edit, t('Save'));
            $this->assertRaw(t('%name must be a number.', [
                '%name' => $field_name,
            ]), 'Correctly failed to save float value with minus sign in the wrong position.');
        }
    }
    
    /**
     * Tests setting the minimum value of a float field through the interface.
     */
    public function testCreateNumberFloatField() {
        // Create a float field.
        $field_name = mb_strtolower($this->randomMachineName());
        FieldStorageConfig::create([
            'field_name' => $field_name,
            'entity_type' => 'entity_test',
            'type' => 'float',
        ])->save();
        $field = FieldConfig::create([
            'field_name' => $field_name,
            'entity_type' => 'entity_test',
            'bundle' => 'entity_test',
        ]);
        $field->save();
        // Set the minimum value to a float value.
        $this->assertSetMinimumValue($field, 0.0001);
        // Set the minimum value to an integer value.
        $this->assertSetMinimumValue($field, 1);
    }
    
    /**
     * Tests setting the minimum value of a decimal field through the interface.
     */
    public function testCreateNumberDecimalField() {
        // Create a decimal field.
        $field_name = mb_strtolower($this->randomMachineName());
        FieldStorageConfig::create([
            'field_name' => $field_name,
            'entity_type' => 'entity_test',
            'type' => 'decimal',
        ])->save();
        $field = FieldConfig::create([
            'field_name' => $field_name,
            'entity_type' => 'entity_test',
            'bundle' => 'entity_test',
        ]);
        $field->save();
        // Set the minimum value to a decimal value.
        $this->assertSetMinimumValue($field, 0.1);
        // Set the minimum value to an integer value.
        $this->assertSetMinimumValue($field, 1);
    }
    
    /**
     * Helper function to set the minimum value of a field.
     */
    public function assertSetMinimumValue($field, $minimum_value) {
        $field_configuration_url = 'entity_test/structure/entity_test/fields/entity_test.entity_test.' . $field->getName();
        // Set the minimum value.
        $edit = [
            'settings[min]' => $minimum_value,
        ];
        $this->drupalPostForm($field_configuration_url, $edit, t('Save settings'));
        // Check if an error message is shown.
        $this->assertNoRaw(t('%name is not a valid number.', [
            '%name' => t('Minimum'),
        ]), 'Saved ' . gettype($minimum_value) . '  value as minimal value on a ' . $field->getType() . ' field');
        // Check if a success message is shown.
        $this->assertRaw(t('Saved %label configuration.', [
            '%label' => $field->getLabel(),
        ]));
        // Check if the minimum value was actually set.
        $this->drupalGet($field_configuration_url);
        $this->assertFieldById('edit-settings-min', $minimum_value, 'Minimal ' . gettype($minimum_value) . '  value was set on a ' . $field->getType() . ' field.');
    }

}