class NumberItemTest

class NumberItemTest extends FieldKernelTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Create number field storages and fields for validation.
        foreach ([
            'integer',
            'float',
            'decimal',
        ] as $type) {
            FieldStorageConfig::create([
                'entity_type' => 'entity_test',
                'field_name' => 'field_' . $type,
                'type' => $type,
            ])->save();
            FieldConfig::create([
                'entity_type' => 'entity_test',
                'field_name' => 'field_' . $type,
                'bundle' => 'entity_test',
            ])->save();
        }
    }
    
    /**
     * Tests using entity fields of the number field type.
     */
    public function testNumberItem() {
        // Verify entity creation.
        $entity = EntityTest::create();
        $integer = rand(0, 10);
        $entity->field_integer = $integer;
        $float = 3.14;
        $entity->field_float = $float;
        $entity->field_decimal = '20-40';
        $violations = $entity->validate();
        $this->assertCount(1, $violations, 'Wrong decimal value causes validation error');
        $decimal = '31.3';
        $entity->field_decimal = $decimal;
        $entity->name->value = $this->randomMachineName();
        $entity->save();
        // Verify entity has been created properly.
        $id = $entity->id();
        $entity = EntityTest::load($id);
        $this->assertInstanceOf(FieldItemListInterface::class, $entity->field_integer);
        $this->assertInstanceOf(FieldItemInterface::class, $entity->field_integer[0]);
        $this->assertEquals($integer, $entity->field_integer->value);
        $this->assertEquals($integer, $entity->field_integer[0]->value);
        $this->assertInstanceOf(FieldItemListInterface::class, $entity->field_float);
        $this->assertInstanceOf(FieldItemInterface::class, $entity->field_float[0]);
        $this->assertEquals($float, $entity->field_float->value);
        $this->assertEquals($float, $entity->field_float[0]->value);
        $this->assertInstanceOf(FieldItemListInterface::class, $entity->field_decimal);
        $this->assertInstanceOf(FieldItemInterface::class, $entity->field_decimal[0]);
        $this->assertEquals((double) $decimal, $entity->field_decimal->value);
        $this->assertEquals((double) $decimal, $entity->field_decimal[0]->value);
        // Verify changing the number value.
        $new_integer = rand(11, 20);
        $new_float = rand(1001, 2000) / 100;
        $new_decimal = '18.2';
        $entity->field_integer->value = $new_integer;
        $this->assertEquals($new_integer, $entity->field_integer->value);
        $entity->field_float->value = $new_float;
        $this->assertEquals($new_float, $entity->field_float->value);
        $entity->field_decimal->value = $new_decimal;
        $this->assertEquals((double) $new_decimal, $entity->field_decimal->value);
        // Read changed entity and assert changed values.
        $entity->save();
        $entity = EntityTest::load($id);
        $this->assertEquals($new_integer, $entity->field_integer->value);
        $this->assertEquals($new_float, $entity->field_float->value);
        $this->assertEquals((double) $new_decimal, $entity->field_decimal->value);
        // Test sample item generation.
        $entity = EntityTest::create();
        // Make sure that field settings are respected by the generation.
        $entity->field_decimal
            ->getFieldDefinition()
            ->setSetting('min', 99)
            ->setSetting('max', 100);
        $entity->field_float
            ->getFieldDefinition()
            ->setSetting('min', 99)
            ->setSetting('max', 100);
        $entity->field_integer
            ->getFieldDefinition()
            ->setSetting('min', 99)
            ->setSetting('max', 100);
        $entity->field_decimal
            ->generateSampleItems();
        $entity->field_integer
            ->generateSampleItems();
        $entity->field_float
            ->generateSampleItems();
        // Confirm that the generated sample values are within range.
        $this->entityValidateAndSave($entity);
    }
    
    /**
     * Tests constraints on numeric item fields.
     *
     * @dataProvider dataNumberFieldSettingsProvider
     *
     * @param string $type
     *   The field type.
     * @param int|float $min
     *   The minimum field value.
     * @param int|float $max
     *   The maximum field value.
     * @param int|float $value
     *   The test value.
     * @param bool $expect_constraints
     *   If TRUE this data set will trigger a validation constraint.
     * @param string $expected_constraint_message
     *   The expected constraint violation message.
     *
     * @throws \Drupal\Core\Entity\EntityStorageException
     */
    public function testConstraints($type, $min, $max, $value, $expect_constraints, $expected_constraint_message = '') {
        $field = FieldConfig::loadByName('entity_test', 'entity_test', 'field_' . $type);
        $field->setSetting('min', $min);
        $field->setSetting('max', $max);
        $field->save();
        $entity = EntityTest::create();
        $entity->{'field_' . $type} = $value;
        $violations = $entity->validate();
        $this->assertEquals($expect_constraints, $violations->count() > 0);
        if ($expect_constraints) {
            $this->assertEquals($expected_constraint_message, $violations->get(0)
                ->getMessage());
        }
    }
    
    /**
     * Data provider for testConstraints.
     *
     * @return \Generator
     *   The test data.
     */
    public function dataNumberFieldSettingsProvider() {
        (yield [
            'integer',
            NULL,
            NULL,
            -100,
            FALSE,
        ]);
        (yield [
            'integer',
            0,
            NULL,
            -100,
            TRUE,
            '<em class="placeholder">field_integer</em>: the value may be no less than <em class="placeholder">0</em>.',
        ]);
        (yield [
            'integer',
            10,
            NULL,
            100,
            FALSE,
        ]);
        (yield [
            'integer',
            10,
            NULL,
            5,
            TRUE,
            '<em class="placeholder">field_integer</em>: the value may be no less than <em class="placeholder">10</em>.',
        ]);
        (yield [
            'integer',
            10,
            20,
            25,
            TRUE,
            '<em class="placeholder">field_integer</em>: the value may be no greater than <em class="placeholder">20</em>.',
        ]);
        (yield [
            'integer',
            10,
            20,
            15,
            FALSE,
        ]);
        (yield [
            'float',
            NULL,
            NULL,
            -100,
            FALSE,
        ]);
        (yield [
            'float',
            0.003,
            NULL,
            0.0029,
            TRUE,
            '<em class="placeholder">field_float</em>: the value may be no less than <em class="placeholder">0.003</em>.',
        ]);
        (yield [
            'float',
            10.05,
            NULL,
            13.4,
            FALSE,
        ]);
        (yield [
            'float',
            10,
            NULL,
            9.999000000000001,
            TRUE,
            '<em class="placeholder">field_float</em>: the value may be no less than <em class="placeholder">10</em>.',
        ]);
        (yield [
            'float',
            1,
            2,
            2.5,
            TRUE,
            '<em class="placeholder">field_float</em>: the value may be no greater than <em class="placeholder">2</em>.',
        ]);
        (yield [
            'float',
            1,
            2,
            1.5,
            FALSE,
        ]);
        (yield [
            'decimal',
            NULL,
            NULL,
            -100,
            FALSE,
        ]);
        (yield [
            'decimal',
            0.001,
            NULL,
            -0.05,
            TRUE,
            '<em class="placeholder">field_decimal</em>: the value may be no less than <em class="placeholder">0.001</em>.',
        ]);
        (yield [
            'decimal',
            10.05,
            NULL,
            13.4,
            FALSE,
        ]);
        (yield [
            'decimal',
            10,
            NULL,
            9.999000000000001,
            TRUE,
            '<em class="placeholder">field_decimal</em>: the value may be no less than <em class="placeholder">10</em>.',
        ]);
        (yield [
            'decimal',
            1,
            2,
            2.5,
            TRUE,
            '<em class="placeholder">field_decimal</em>: the value may be no greater than <em class="placeholder">2</em>.',
        ]);
        (yield [
            'decimal',
            1,
            2,
            1.5,
            FALSE,
        ]);
    }

}