Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\field\Tests\Number;
Chris@0: 
Chris@0: use Drupal\Component\Utility\Unicode;
Chris@0: use Drupal\field\Entity\FieldConfig;
Chris@0: use Drupal\node\Entity\Node;
Chris@0: use Drupal\simpletest\WebTestBase;
Chris@0: use Drupal\field\Entity\FieldStorageConfig;
Chris@0: 
Chris@0: /**
Chris@0:  * Tests the creation of numeric fields.
Chris@0:  *
Chris@0:  * @group field
Chris@0:  */
Chris@0: class NumberFieldTest extends WebTestBase {
Chris@0: 
Chris@0:   /**
Chris@0:    * Modules to enable.
Chris@0:    *
Chris@0:    * @var array
Chris@0:    */
Chris@0:   public static $modules = ['node', 'entity_test', 'field_ui'];
Chris@0: 
Chris@0:   protected function setUp() {
Chris@0:     parent::setUp();
Chris@0:     $this->drupalLogin($this->drupalCreateUser([
Chris@0:       'view test entity',
Chris@0:       'administer entity_test content',
Chris@0:       'administer content types',
Chris@0:       'administer node fields',
Chris@0:       'administer node display',
Chris@0:       'bypass node access',
Chris@0:       'administer entity_test fields',
Chris@0:     ]));
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Test decimal field.
Chris@0:    */
Chris@0:   public function testNumberDecimalField() {
Chris@0:     // Create a field with settings to validate.
Chris@0:     $field_name = Unicode::strtolower($this->randomMachineName());
Chris@0:     FieldStorageConfig::create([
Chris@0:       'field_name' => $field_name,
Chris@0:       'entity_type' => 'entity_test',
Chris@0:       'type' => 'decimal',
Chris@0:       'settings' => ['precision' => 8, 'scale' => 4],
Chris@0:     ])->save();
Chris@0:     FieldConfig::create([
Chris@0:       'field_name' => $field_name,
Chris@0:       'entity_type' => 'entity_test',
Chris@0:       'bundle' => 'entity_test',
Chris@0:     ])->save();
Chris@0: 
Chris@0:     entity_get_form_display('entity_test', 'entity_test', 'default')
Chris@0:       ->setComponent($field_name, [
Chris@0:         'type' => 'number',
Chris@0:         'settings' => [
Chris@0:           'placeholder' => '0.00'
Chris@0:         ],
Chris@0:       ])
Chris@0:       ->save();
Chris@0:     entity_get_display('entity_test', 'entity_test', 'default')
Chris@0:       ->setComponent($field_name, [
Chris@0:         'type' => 'number_decimal',
Chris@0:       ])
Chris@0:       ->save();
Chris@0: 
Chris@0:     // Display creation form.
Chris@0:     $this->drupalGet('entity_test/add');
Chris@0:     $this->assertFieldByName("{$field_name}[0][value]", '', 'Widget is displayed');
Chris@0:     $this->assertRaw('placeholder="0.00"');
Chris@0: 
Chris@0:     // Submit a signed decimal value within the allowed precision and scale.
Chris@0:     $value = '-1234.5678';
Chris@0:     $edit = [
Chris@0:       "{$field_name}[0][value]" => $value,
Chris@0:     ];
Chris@0:     $this->drupalPostForm(NULL, $edit, t('Save'));
Chris@0:     preg_match('|entity_test/manage/(\d+)|', $this->url, $match);
Chris@0:     $id = $match[1];
Chris@0:     $this->assertText(t('entity_test @id has been created.', ['@id' => $id]), 'Entity was created');
Chris@0:     $this->assertRaw($value, 'Value is displayed.');
Chris@0: 
Chris@0:     // Try to create entries with more than one decimal separator; assert fail.
Chris@0:     $wrong_entries = [
Chris@0:       '3.14.159',
Chris@0:       '0..45469',
Chris@0:       '..4589',
Chris@0:       '6.459.52',
Chris@0:       '6.3..25',
Chris@0:     ];
Chris@0: 
Chris@0:     foreach ($wrong_entries as $wrong_entry) {
Chris@0:       $this->drupalGet('entity_test/add');
Chris@0:       $edit = [
Chris@0:         "{$field_name}[0][value]" => $wrong_entry,
Chris@0:       ];
Chris@0:       $this->drupalPostForm(NULL, $edit, t('Save'));
Chris@0:       $this->assertRaw(t('%name must be a number.', ['%name' => $field_name]), 'Correctly failed to save decimal value with more than one decimal point.');
Chris@0:     }
Chris@0: 
Chris@0:     // Try to create entries with minus sign not in the first position.
Chris@0:     $wrong_entries = [
Chris@0:       '3-3',
Chris@0:       '4-',
Chris@0:       '1.3-',
Chris@0:       '1.2-4',
Chris@0:       '-10-10',
Chris@0:     ];
Chris@0: 
Chris@0:     foreach ($wrong_entries as $wrong_entry) {
Chris@0:       $this->drupalGet('entity_test/add');
Chris@0:       $edit = [
Chris@0:         "{$field_name}[0][value]" => $wrong_entry,
Chris@0:       ];
Chris@0:       $this->drupalPostForm(NULL, $edit, t('Save'));
Chris@0:       $this->assertRaw(t('%name must be a number.', ['%name' => $field_name]), 'Correctly failed to save decimal value with minus sign in the wrong position.');
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Test integer field.
Chris@0:    */
Chris@0:   public function testNumberIntegerField() {
Chris@0:     $minimum = rand(-4000, -2000);
Chris@0:     $maximum = rand(2000, 4000);
Chris@0: 
Chris@0:     // Create a field with settings to validate.
Chris@0:     $field_name = Unicode::strtolower($this->randomMachineName());
Chris@0:     $storage = FieldStorageConfig::create([
Chris@0:       'field_name' => $field_name,
Chris@0:       'entity_type' => 'entity_test',
Chris@0:       'type' => 'integer',
Chris@0:     ]);
Chris@0:     $storage->save();
Chris@0: 
Chris@0:     FieldConfig::create([
Chris@0:       'field_name' => $field_name,
Chris@0:       'entity_type' => 'entity_test',
Chris@0:       'bundle' => 'entity_test',
Chris@0:       'settings' => [
Chris@0:         'min' => $minimum,
Chris@0:         'max' => $maximum,
Chris@0:         'prefix' => 'ThePrefix',
Chris@0:       ],
Chris@0:     ])->save();
Chris@0: 
Chris@0:     entity_get_form_display('entity_test', 'entity_test', 'default')
Chris@0:       ->setComponent($field_name, [
Chris@0:         'type' => 'number',
Chris@0:         'settings' => [
Chris@0:           'placeholder' => '4'
Chris@0:         ],
Chris@0:       ])
Chris@0:       ->save();
Chris@0:     entity_get_display('entity_test', 'entity_test', 'default')
Chris@0:       ->setComponent($field_name, [
Chris@0:         'type' => 'number_integer',
Chris@0:         'settings' => [
Chris@0:           'prefix_suffix' => FALSE,
Chris@0:         ],
Chris@0:       ])
Chris@0:       ->save();
Chris@0: 
Chris@0:     // Check the storage schema.
Chris@0:     $expected = [
Chris@0:       'columns' => [
Chris@0:         'value' => [
Chris@0:           'type' => 'int',
Chris@0:           'unsigned' => '',
Chris@0:           'size' => 'normal'
Chris@0:         ],
Chris@0:       ],
Chris@0:       'unique keys' => [],
Chris@0:       'indexes' => [],
Chris@0:       'foreign keys' => []
Chris@0:     ];
Chris@0:     $this->assertEqual($storage->getSchema(), $expected);
Chris@0: 
Chris@0:     // Display creation form.
Chris@0:     $this->drupalGet('entity_test/add');
Chris@0:     $this->assertFieldByName("{$field_name}[0][value]", '', 'Widget is displayed');
Chris@0:     $this->assertRaw('placeholder="4"');
Chris@0: 
Chris@0:     // Submit a valid integer
Chris@0:     $value = rand($minimum, $maximum);
Chris@0:     $edit = [
Chris@0:       "{$field_name}[0][value]" => $value,
Chris@0:     ];
Chris@0:     $this->drupalPostForm(NULL, $edit, t('Save'));
Chris@0:     preg_match('|entity_test/manage/(\d+)|', $this->url, $match);
Chris@0:     $id = $match[1];
Chris@0:     $this->assertText(t('entity_test @id has been created.', ['@id' => $id]), 'Entity was created');
Chris@0: 
Chris@0:     // Try to set a value below the minimum value
Chris@0:     $this->drupalGet('entity_test/add');
Chris@0:     $edit = [
Chris@0:       "{$field_name}[0][value]" => $minimum - 1,
Chris@0:     ];
Chris@0:     $this->drupalPostForm(NULL, $edit, t('Save'));
Chris@0:     $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.');
Chris@0: 
Chris@0:     // Try to set a decimal value
Chris@0:     $this->drupalGet('entity_test/add');
Chris@0:     $edit = [
Chris@0:       "{$field_name}[0][value]" => 1.5,
Chris@0:     ];
Chris@0:     $this->drupalPostForm(NULL, $edit, t('Save'));
Chris@0:     $this->assertRaw(t('%name is not a valid number.', ['%name' => $field_name]), 'Correctly failed to save decimal value to integer field.');
Chris@0: 
Chris@0:     // Try to set a value above the maximum value
Chris@0:     $this->drupalGet('entity_test/add');
Chris@0:     $edit = [
Chris@0:       "{$field_name}[0][value]" => $maximum + 1,
Chris@0:     ];
Chris@0:     $this->drupalPostForm(NULL, $edit, t('Save'));
Chris@0:     $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.');
Chris@0: 
Chris@0:     // Try to set a wrong integer value.
Chris@0:     $this->drupalGet('entity_test/add');
Chris@0:     $edit = [
Chris@0:       "{$field_name}[0][value]" => '20-40',
Chris@0:     ];
Chris@0:     $this->drupalPostForm(NULL, $edit, t('Save'));
Chris@0:     $this->assertRaw(t('%name must be a number.', ['%name' => $field_name]), 'Correctly failed to save wrong integer value.');
Chris@0: 
Chris@0:     // Test with valid entries.
Chris@0:     $valid_entries = [
Chris@0:       '-1234',
Chris@0:       '0',
Chris@0:       '1234',
Chris@0:     ];
Chris@0: 
Chris@0:     foreach ($valid_entries as $valid_entry) {
Chris@0:       $this->drupalGet('entity_test/add');
Chris@0:       $edit = [
Chris@0:         "{$field_name}[0][value]" => $valid_entry,
Chris@0:       ];
Chris@0:       $this->drupalPostForm(NULL, $edit, t('Save'));
Chris@0:       preg_match('|entity_test/manage/(\d+)|', $this->url, $match);
Chris@0:       $id = $match[1];
Chris@0:       $this->assertText(t('entity_test @id has been created.', ['@id' => $id]), 'Entity was created');
Chris@0:       $this->assertRaw($valid_entry, 'Value is displayed.');
Chris@0:       $this->assertNoFieldByXpath('//div[@content="' . $valid_entry . '"]', NULL, 'The "content" attribute is not present since the Prefix is not being displayed');
Chris@0:     }
Chris@0: 
Chris@0:     // Test for the content attribute when a Prefix is displayed. Presumably this also tests for the attribute when a Suffix is displayed.
Chris@0:     entity_get_display('entity_test', 'entity_test', 'default')
Chris@0:       ->setComponent($field_name, [
Chris@0:         'type' => 'number_integer',
Chris@0:         'settings' => [
Chris@0:           'prefix_suffix' => TRUE,
Chris@0:         ],
Chris@0:       ])
Chris@0:       ->save();
Chris@0:     $integer_value = '123';
Chris@0:     $this->drupalGet('entity_test/add');
Chris@0:     $edit = [
Chris@0:       "{$field_name}[0][value]" => $integer_value,
Chris@0:     ];
Chris@0:     $this->drupalPostForm(NULL, $edit, t('Save'));
Chris@0:     preg_match('|entity_test/manage/(\d+)|', $this->url, $match);
Chris@0:     $id = $match[1];
Chris@0:     $this->assertText(t('entity_test @id has been created.', ['@id' => $id]), 'Entity was created');
Chris@0:     $this->drupalGet('entity_test/' . $id);
Chris@0:     $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.');
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:   * Test float field.
Chris@0:   */
Chris@0:   public function testNumberFloatField() {
Chris@0:     // Create a field with settings to validate.
Chris@0:     $field_name = Unicode::strtolower($this->randomMachineName());
Chris@0:     FieldStorageConfig::create([
Chris@0:       'field_name' => $field_name,
Chris@0:       'entity_type' => 'entity_test',
Chris@0:       'type' => 'float',
Chris@0:     ])->save();
Chris@0: 
Chris@0:     FieldConfig::create([
Chris@0:       'field_name' => $field_name,
Chris@0:       'entity_type' => 'entity_test',
Chris@0:       'bundle' => 'entity_test',
Chris@0:     ])->save();
Chris@0: 
Chris@0:     entity_get_form_display('entity_test', 'entity_test', 'default')
Chris@0:       ->setComponent($field_name, [
Chris@0:         'type' => 'number',
Chris@0:         'settings' => [
Chris@0:           'placeholder' => '0.00'
Chris@0:         ],
Chris@0:       ])
Chris@0:       ->save();
Chris@0: 
Chris@0:     entity_get_display('entity_test', 'entity_test', 'default')
Chris@0:       ->setComponent($field_name, [
Chris@0:         'type' => 'number_decimal',
Chris@0:       ])
Chris@0:       ->save();
Chris@0: 
Chris@0:     // Display creation form.
Chris@0:     $this->drupalGet('entity_test/add');
Chris@0:     $this->assertFieldByName("{$field_name}[0][value]", '', 'Widget is displayed');
Chris@0:     $this->assertRaw('placeholder="0.00"');
Chris@0: 
Chris@0:     // Submit a signed decimal value within the allowed precision and scale.
Chris@0:     $value = '-1234.5678';
Chris@0:     $edit = [
Chris@0:       "{$field_name}[0][value]" => $value,
Chris@0:     ];
Chris@0:     $this->drupalPostForm(NULL, $edit, t('Save'));
Chris@0:     preg_match('|entity_test/manage/(\d+)|', $this->url, $match);
Chris@0:     $id = $match[1];
Chris@0:     $this->assertText(t('entity_test @id has been created.', ['@id' => $id]), 'Entity was created');
Chris@0: 
Chris@0:     // Ensure that the 'number_decimal' formatter displays the number with the
Chris@0:     // expected rounding.
Chris@0:     $this->drupalGet('entity_test/' . $id);
Chris@0:     $this->assertRaw(round($value, 2));
Chris@0: 
Chris@0:     // Try to create entries with more than one decimal separator; assert fail.
Chris@0:     $wrong_entries = [
Chris@0:       '3.14.159',
Chris@0:       '0..45469',
Chris@0:       '..4589',
Chris@0:       '6.459.52',
Chris@0:       '6.3..25',
Chris@0:     ];
Chris@0: 
Chris@0:     foreach ($wrong_entries as $wrong_entry) {
Chris@0:       $this->drupalGet('entity_test/add');
Chris@0:       $edit = [
Chris@0:         "{$field_name}[0][value]" => $wrong_entry,
Chris@0:       ];
Chris@0:       $this->drupalPostForm(NULL, $edit, t('Save'));
Chris@0:       $this->assertRaw(t('%name must be a number.', ['%name' => $field_name]), 'Correctly failed to save float value with more than one decimal point.');
Chris@0:     }
Chris@0: 
Chris@0:     // Try to create entries with minus sign not in the first position.
Chris@0:     $wrong_entries = [
Chris@0:       '3-3',
Chris@0:       '4-',
Chris@0:       '1.3-',
Chris@0:       '1.2-4',
Chris@0:       '-10-10',
Chris@0:     ];
Chris@0: 
Chris@0:     foreach ($wrong_entries as $wrong_entry) {
Chris@0:       $this->drupalGet('entity_test/add');
Chris@0:       $edit = [
Chris@0:         "{$field_name}[0][value]" => $wrong_entry,
Chris@0:       ];
Chris@0:       $this->drupalPostForm(NULL, $edit, t('Save'));
Chris@0:       $this->assertRaw(t('%name must be a number.', ['%name' => $field_name]), 'Correctly failed to save float value with minus sign in the wrong position.');
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Test default formatter behavior
Chris@0:    */
Chris@0:   public function testNumberFormatter() {
Chris@0:     $type = Unicode::strtolower($this->randomMachineName());
Chris@0:     $float_field = Unicode::strtolower($this->randomMachineName());
Chris@0:     $integer_field = Unicode::strtolower($this->randomMachineName());
Chris@0:     $thousand_separators = ['', '.', ',', ' ', chr(8201), "'"];
Chris@0:     $decimal_separators = ['.', ','];
Chris@0:     $prefix = $this->randomMachineName();
Chris@0:     $suffix = $this->randomMachineName();
Chris@0:     $random_float = rand(0, pow(10, 6));
Chris@0:     $random_integer = rand(0, pow(10, 6));
Chris@0: 
Chris@0:     // Create a content type containing float and integer fields.
Chris@0:     $this->drupalCreateContentType(['type' => $type]);
Chris@0: 
Chris@0:     FieldStorageConfig::create([
Chris@0:       'field_name' => $float_field,
Chris@0:       'entity_type' => 'node',
Chris@0:       'type' => 'float',
Chris@0:     ])->save();
Chris@0: 
Chris@0:     FieldStorageConfig::create([
Chris@0:       'field_name' => $integer_field,
Chris@0:       'entity_type' => 'node',
Chris@0:       'type' => 'integer',
Chris@0:     ])->save();
Chris@0: 
Chris@0:     FieldConfig::create([
Chris@0:       'field_name' => $float_field,
Chris@0:       'entity_type' => 'node',
Chris@0:       'bundle' => $type,
Chris@0:       'settings' => [
Chris@0:         'prefix' => $prefix,
Chris@0:         'suffix' => $suffix
Chris@0:       ],
Chris@0:     ])->save();
Chris@0: 
Chris@0:     FieldConfig::create([
Chris@0:       'field_name' => $integer_field,
Chris@0:       'entity_type' => 'node',
Chris@0:       'bundle' => $type,
Chris@0:       'settings' => [
Chris@0:         'prefix' => $prefix,
Chris@0:         'suffix' => $suffix
Chris@0:       ],
Chris@0:     ])->save();
Chris@0: 
Chris@0:     entity_get_form_display('node', $type, 'default')
Chris@0:       ->setComponent($float_field, [
Chris@0:         'type' => 'number',
Chris@0:         'settings' => [
Chris@0:           'placeholder' => '0.00'
Chris@0:         ],
Chris@0:       ])
Chris@0:       ->setComponent($integer_field, [
Chris@0:         'type' => 'number',
Chris@0:         'settings' => [
Chris@0:           'placeholder' => '0.00'
Chris@0:         ],
Chris@0:       ])
Chris@0:       ->save();
Chris@0: 
Chris@0:     entity_get_display('node', $type, 'default')
Chris@0:       ->setComponent($float_field, [
Chris@0:         'type' => 'number_decimal',
Chris@0:       ])
Chris@0:       ->setComponent($integer_field, [
Chris@0:         'type' => 'number_unformatted',
Chris@0:       ])
Chris@0:       ->save();
Chris@0: 
Chris@0:     // Create a node to test formatters.
Chris@0:     $node = Node::create([
Chris@0:       'type' => $type,
Chris@0:       'title' => $this->randomMachineName(),
Chris@0:       $float_field => ['value' => $random_float],
Chris@0:       $integer_field => ['value' => $random_integer],
Chris@0:     ]);
Chris@0:     $node->save();
Chris@0: 
Chris@0:     // Go to manage display page.
Chris@0:     $this->drupalGet("admin/structure/types/manage/$type/display");
Chris@0: 
Chris@0:     // Configure number_decimal formatter for the 'float' field type.
Chris@0:     $thousand_separator = $thousand_separators[array_rand($thousand_separators)];
Chris@0:     $decimal_separator = $decimal_separators[array_rand($decimal_separators)];
Chris@0:     $scale = rand(0, 10);
Chris@0: 
Chris@0:     $this->drupalPostAjaxForm(NULL, [], "${float_field}_settings_edit");
Chris@0:     $edit = [
Chris@0:       "fields[${float_field}][settings_edit_form][settings][prefix_suffix]" => TRUE,
Chris@0:       "fields[${float_field}][settings_edit_form][settings][scale]" => $scale,
Chris@0:       "fields[${float_field}][settings_edit_form][settings][decimal_separator]" => $decimal_separator,
Chris@0:       "fields[${float_field}][settings_edit_form][settings][thousand_separator]" => $thousand_separator,
Chris@0:     ];
Chris@0:     $this->drupalPostAjaxForm(NULL, $edit, "${float_field}_plugin_settings_update");
Chris@0:     $this->drupalPostForm(NULL, [], t('Save'));
Chris@0: 
Chris@0:     // Check number_decimal and number_unformatted formatters behavior.
Chris@0:     $this->drupalGet('node/' . $node->id());
Chris@0:     $float_formatted = number_format($random_float, $scale, $decimal_separator, $thousand_separator);
Chris@0:     $this->assertRaw("$prefix$float_formatted$suffix", 'Prefix and suffix added');
Chris@0:     $this->assertRaw((string) $random_integer);
Chris@0: 
Chris@0:     // Configure the number_decimal formatter.
Chris@0:     entity_get_display('node', $type, 'default')
Chris@0:       ->setComponent($integer_field, [
Chris@0:         'type' => 'number_integer',
Chris@0:       ])
Chris@0:       ->save();
Chris@0:     $this->drupalGet("admin/structure/types/manage/$type/display");
Chris@0: 
Chris@0:     $thousand_separator = $thousand_separators[array_rand($thousand_separators)];
Chris@0: 
Chris@0:     $this->drupalPostAjaxForm(NULL, [], "${integer_field}_settings_edit");
Chris@0:     $edit = [
Chris@0:       "fields[${integer_field}][settings_edit_form][settings][prefix_suffix]" => FALSE,
Chris@0:       "fields[${integer_field}][settings_edit_form][settings][thousand_separator]" => $thousand_separator,
Chris@0:     ];
Chris@0:     $this->drupalPostAjaxForm(NULL, $edit, "${integer_field}_plugin_settings_update");
Chris@0:     $this->drupalPostForm(NULL, [], t('Save'));
Chris@0: 
Chris@0:     // Check number_integer formatter behavior.
Chris@0:     $this->drupalGet('node/' . $node->id());
Chris@0: 
Chris@0:     $integer_formatted = number_format($random_integer, 0, '', $thousand_separator);
Chris@0:     $this->assertRaw($integer_formatted, 'Random integer formatted');
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests setting the minimum value of a float field through the interface.
Chris@0:    */
Chris@0:   public function testCreateNumberFloatField() {
Chris@0:     // Create a float field.
Chris@0:     $field_name = Unicode::strtolower($this->randomMachineName());
Chris@0:     FieldStorageConfig::create([
Chris@0:       'field_name' => $field_name,
Chris@0:       'entity_type' => 'entity_test',
Chris@0:       'type' => 'float',
Chris@0:     ])->save();
Chris@0: 
Chris@0:     $field = FieldConfig::create([
Chris@0:       'field_name' => $field_name,
Chris@0:       'entity_type' => 'entity_test',
Chris@0:       'bundle' => 'entity_test',
Chris@0:     ]);
Chris@0:     $field->save();
Chris@0: 
Chris@0:     // Set the minimum value to a float value.
Chris@0:     $this->assertSetMinimumValue($field, 0.0001);
Chris@0:     // Set the minimum value to an integer value.
Chris@0:     $this->assertSetMinimumValue($field, 1);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests setting the minimum value of a decimal field through the interface.
Chris@0:    */
Chris@0:   public function testCreateNumberDecimalField() {
Chris@0:     // Create a decimal field.
Chris@0:     $field_name = Unicode::strtolower($this->randomMachineName());
Chris@0:     FieldStorageConfig::create([
Chris@0:       'field_name' => $field_name,
Chris@0:       'entity_type' => 'entity_test',
Chris@0:       'type' => 'decimal',
Chris@0:     ])->save();
Chris@0: 
Chris@0:     $field = FieldConfig::create([
Chris@0:       'field_name' => $field_name,
Chris@0:       'entity_type' => 'entity_test',
Chris@0:       'bundle' => 'entity_test',
Chris@0:     ]);
Chris@0:     $field->save();
Chris@0: 
Chris@0:     // Set the minimum value to a decimal value.
Chris@0:     $this->assertSetMinimumValue($field, 0.1);
Chris@0:     // Set the minimum value to an integer value.
Chris@0:     $this->assertSetMinimumValue($field, 1);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Helper function to set the minimum value of a field.
Chris@0:    */
Chris@0:   public function assertSetMinimumValue($field, $minimum_value) {
Chris@0:     $field_configuration_url = 'entity_test/structure/entity_test/fields/entity_test.entity_test.' . $field->getName();
Chris@0: 
Chris@0:     // Set the minimum value.
Chris@0:     $edit = [
Chris@0:       'settings[min]' => $minimum_value,
Chris@0:     ];
Chris@0:     $this->drupalPostForm($field_configuration_url, $edit, t('Save settings'));
Chris@0:     // Check if an error message is shown.
Chris@0:     $this->assertNoRaw(t('%name is not a valid number.', ['%name' => t('Minimum')]), 'Saved ' . gettype($minimum_value) . '  value as minimal value on a ' . $field->getType() . ' field');
Chris@0:     // Check if a success message is shown.
Chris@0:     $this->assertRaw(t('Saved %label configuration.', ['%label' => $field->getLabel()]));
Chris@0:     // Check if the minimum value was actually set.
Chris@0:     $this->drupalGet($field_configuration_url);
Chris@0:     $this->assertFieldById('edit-settings-min', $minimum_value, 'Minimal ' . gettype($minimum_value) . '  value was set on a ' . $field->getType() . ' field.');
Chris@0:   }
Chris@0: 
Chris@0: }