ExtractTest.php

<?php

namespace Drupal\Tests\migrate\Unit\process;

use Drupal\migrate\MigrateException;
use Drupal\migrate\Plugin\migrate\process\Extract;

/**
 * @coversDefaultClass \Drupal\migrate\Plugin\migrate\process\Extract
 * @group migrate
 */
class ExtractTest extends MigrateProcessTestCase {
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        $configuration['index'] = [
            'foo',
        ];
        $this->plugin = new Extract($configuration, 'map', []);
        parent::setUp();
    }
    
    /**
     * Tests successful extraction.
     */
    public function testExtract() {
        $value = $this->plugin
            ->transform([
            'foo' => 'bar',
        ], $this->migrateExecutable, $this->row, 'destination_property');
        $this->assertSame('bar', $value);
    }
    
    /**
     * Tests invalid input.
     *
     * @dataProvider providerTestExtractInvalid
     */
    public function testExtractInvalid($value) {
        $this->expectException(MigrateException::class);
        $type = gettype($value);
        $this->expectExceptionMessage(sprintf("Input should be an array, instead it was of type '%s'", $type));
        $this->plugin
            ->transform($value, $this->migrateExecutable, $this->row, 'destination_property');
    }
    
    /**
     * Tests unsuccessful extraction.
     */
    public function testExtractFail() {
        $this->expectException(MigrateException::class);
        $this->expectExceptionMessage("Array index missing, extraction failed for 'array(\n  'bar' => 'foo',\n)'. Consider adding a `default` key to the configuration.");
        $this->plugin
            ->transform([
            'bar' => 'foo',
        ], $this->migrateExecutable, $this->row, 'destination_property');
    }
    
    /**
     * Tests unsuccessful extraction.
     */
    public function testExtractFailDefault() {
        $plugin = new Extract([
            'index' => [
                'foo',
            ],
            'default' => 'test',
        ], 'map', []);
        $value = $plugin->transform([
            'bar' => 'foo',
        ], $this->migrateExecutable, $this->row, 'destination_property');
        $this->assertSame('test', $value, '');
    }
    
    /**
     * Test the extract plugin with default values.
     *
     * @param array $value
     *   The process plugin input value.
     * @param array $configuration
     *   The plugin configuration.
     * @param string|null $expected
     *   The expected transformed value.
     *
     * @throws \Drupal\migrate\MigrateException
     *
     * @dataProvider providerExtractDefault
     */
    public function testExtractDefault(array $value, array $configuration, $expected) {
        $this->plugin = new Extract($configuration, 'map', []);
        $value = $this->plugin
            ->transform($value, $this->migrateExecutable, $this->row, 'destination_property');
        $this->assertSame($expected, $value);
    }
    
    /**
     * Data provider for testExtractDefault.
     */
    public function providerExtractDefault() {
        return [
            [
                [
                    'foo' => 'bar',
                ],
                [
                    'index' => [
                        'foo',
                    ],
                    'default' => 'one',
                ],
                'bar',
            ],
            [
                [
                    'foo' => 'bar',
                ],
                [
                    'index' => [
                        'not_key',
                    ],
                    'default' => 'two',
                ],
                'two',
            ],
            [
                [
                    'foo' => 'bar',
                ],
                [
                    'index' => [
                        'not_key',
                    ],
                    'default' => NULL,
                ],
                NULL,
            ],
            [
                [
                    'foo' => 'bar',
                ],
                [
                    'index' => [
                        'not_key',
                    ],
                    'default' => TRUE,
                ],
                TRUE,
            ],
            [
                [
                    'foo' => 'bar',
                ],
                [
                    'index' => [
                        'not_key',
                    ],
                    'default' => FALSE,
                ],
                FALSE,
            ],
            [
                [
                    'foo' => '',
                ],
                [
                    'index' => [
                        'foo',
                    ],
                    'default' => NULL,
                ],
                '',
            ],
        ];
    }
    
    /**
     * Provides data for the testExtractInvalid.
     */
    public function providerTestExtractInvalid() {
        $xml_str = <<<XML
<xml version='1.0'?>
  <authors>
    <name>Test Extract Invalid</name>
  </authors>
XML;
        $object = (object) [
            'one' => 'test1',
            'two' => 'test2',
            'three' => 'test3',
        ];
        return [
            'empty string' => [
                '',
            ],
            'string' => [
                'Extract Test',
            ],
            'integer' => [
                1,
            ],
            'float' => [
                1.0,
            ],
            'NULL' => [
                NULL,
            ],
            'boolean' => [
                TRUE,
            ],
            'xml' => [
                $xml_str,
            ],
            'object' => [
                $object,
            ],
        ];
    }

}