class RowTest

class RowTest extends UnitTestCase {
    
    /**
     * The source IDs.
     *
     * @var array
     */
    protected $testSourceIds = [
        'nid' => 'Node ID',
    ];
    
    /**
     * The test values.
     *
     * @var array
     */
    protected $testValues = [
        'nid' => 1,
        'title' => 'node 1',
    ];
    
    /**
     * Test source properties for testing get and getMultiple.
     *
     * @var array
     */
    protected $testGetSourceProperties = [
        'source_key_1' => 'source_value_1',
        'source_key_2' => 'source_value_2',
        '@source_key_3' => 'source_value_3',
        'shared_key_1' => 'source_shared_value_1',
        '@shared_key_2' => 'source_shared_value_2',
        '@@@@shared_key_3' => 'source_shared_value_3',
    ];
    
    /**
     * Test source keys for testing get and getMultiple.
     *
     * @var array
     */
    protected $testGetSourceIds = [
        'source_key_1' => [],
    ];
    
    /**
     * Test destination properties for testing get and getMultiple.
     *
     * @var array
     */
    protected $testGetDestinationProperties = [
        'destination_key_1' => 'destination_value_1',
        'destination_key_2' => 'destination_value_2',
        '@destination_key_3' => 'destination_value_3',
        'shared_key_1' => 'destination_shared_value_1',
        '@shared_key_2' => 'destination_shared_value_2',
        '@@@@shared_key_3' => 'destination_shared_value_3',
    ];
    
    /**
     * The test hash.
     *
     * @var string
     */
    protected $testHash = '85795d4cde4a2425868b812cc88052ecd14fc912e7b9b4de45780f66750e8b1e';
    
    /**
     * The test hash after changing title value to 'new title'.
     *
     * @var string
     */
    protected $testHashMod = '9476aab0b62b3f47342cc6530441432e5612dcba7ca84115bbab5cceaca1ecb3';
    
    /**
     * Tests object creation: empty.
     */
    public function testRowWithoutData() {
        $row = new Row();
        $this->assertSame([], $row->getSource(), 'Empty row');
    }
    
    /**
     * Tests object creation: basic.
     */
    public function testRowWithBasicData() {
        $row = new Row($this->testValues, $this->testSourceIds);
        $this->assertSame($this->testValues, $row->getSource(), 'Row with data, simple id.');
    }
    
    /**
     * Tests object creation: multiple source IDs.
     */
    public function testRowWithMultipleSourceIds() {
        $multi_source_ids = $this->testSourceIds + [
            'vid' => 'Node revision',
        ];
        $multi_source_ids_values = $this->testValues + [
            'vid' => 1,
        ];
        $row = new Row($multi_source_ids_values, $multi_source_ids);
        $this->assertSame($multi_source_ids_values, $row->getSource(), 'Row with data, multifield id.');
    }
    
    /**
     * Tests object creation: invalid values.
     */
    public function testRowWithInvalidData() {
        $invalid_values = [
            'title' => 'node X',
        ];
        $this->expectException(\Exception::class);
        $row = new Row($invalid_values, $this->testSourceIds);
    }
    
    /**
     * Tests source immutability after freeze.
     */
    public function testSourceFreeze() {
        $row = new Row($this->testValues, $this->testSourceIds);
        $row->rehash();
        $this->assertSame($this->testHash, $row->getHash(), 'Correct hash.');
        $row->setSourceProperty('title', 'new title');
        $row->rehash();
        $this->assertSame($this->testHashMod, $row->getHash(), 'Hash changed correctly.');
        $row->freezeSource();
        $this->expectException(\Exception::class);
        $row->setSourceProperty('title', 'new title');
    }
    
    /**
     * Tests setting on a frozen row.
     */
    public function testSetFrozenRow() {
        $row = new Row($this->testValues, $this->testSourceIds);
        $row->freezeSource();
        $this->expectException(\Exception::class);
        $this->expectExceptionMessage("The source is frozen and can't be changed any more");
        $row->setSourceProperty('title', 'new title');
    }
    
    /**
     * Tests hashing.
     */
    public function testHashing() {
        $row = new Row($this->testValues, $this->testSourceIds);
        $this->assertSame('', $row->getHash(), 'No hash at creation');
        $row->rehash();
        $this->assertSame($this->testHash, $row->getHash(), 'Correct hash.');
        $row->rehash();
        $this->assertSame($this->testHash, $row->getHash(), 'Correct hash even doing it twice.');
        // Set the map to needs update.
        $test_id_map = [
            'original_hash' => '',
            'hash' => '',
            'source_row_status' => MigrateIdMapInterface::STATUS_NEEDS_UPDATE,
        ];
        $row->setIdMap($test_id_map);
        $this->assertTrue($row->needsUpdate());
        $row->rehash();
        $this->assertSame($this->testHash, $row->getHash(), 'Correct hash even if id_mpa have changed.');
        $row->setSourceProperty('title', 'new title');
        $row->rehash();
        $this->assertSame($this->testHashMod, $row->getHash(), 'Hash changed correctly.');
        // Check hash calculation algorithm.
        $hash = hash('sha256', serialize($row->getSource()));
        $this->assertSame($hash, $row->getHash());
        // Check length of generated hash used for mapping schema.
        $this->assertSame(64, strlen($row->getHash()));
        // Set the map to successfully imported.
        $test_id_map = [
            'original_hash' => '',
            'hash' => '',
            'source_row_status' => MigrateIdMapInterface::STATUS_IMPORTED,
        ];
        $row->setIdMap($test_id_map);
        $this->assertFalse($row->needsUpdate());
        // Set the same hash value and ensure it was not changed.
        $random = $this->randomMachineName();
        $test_id_map = [
            'original_hash' => $random,
            'hash' => $random,
            'source_row_status' => MigrateIdMapInterface::STATUS_NEEDS_UPDATE,
        ];
        $row->setIdMap($test_id_map);
        $this->assertFalse($row->changed());
        // Set different has values to ensure it is marked as changed.
        $test_id_map = [
            'original_hash' => $this->randomMachineName(),
            'hash' => $this->randomMachineName(),
            'source_row_status' => MigrateIdMapInterface::STATUS_NEEDS_UPDATE,
        ];
        $row->setIdMap($test_id_map);
        $this->assertTrue($row->changed());
    }
    
    /**
     * Tests getting/setting the ID Map.
     *
     * @covers ::setIdMap
     * @covers ::getIdMap
     */
    public function testGetSetIdMap() {
        $row = new Row($this->testValues, $this->testSourceIds);
        $test_id_map = [
            'original_hash' => '',
            'hash' => '',
            'source_row_status' => MigrateIdMapInterface::STATUS_NEEDS_UPDATE,
        ];
        $row->setIdMap($test_id_map);
        $this->assertEquals($test_id_map, $row->getIdMap());
    }
    
    /**
     * Tests the source ID.
     */
    public function testSourceIdValues() {
        $row = new Row($this->testValues, $this->testSourceIds);
        $this->assertSame([
            'nid' => $this->testValues['nid'],
        ], $row->getSourceIdValues());
    }
    
    /**
     * Tests the multiple source IDs.
     */
    public function testMultipleSourceIdValues() {
        // Set values in same order as ids.
        $multi_source_ids = $this->testSourceIds + [
            'vid' => 'Node revision',
            'type' => 'Node type',
            'langcode' => 'Node language',
        ];
        $multi_source_ids_values = $this->testValues + [
            'vid' => 1,
            'type' => 'page',
            'langcode' => 'en',
        ];
        $row = new Row($multi_source_ids_values, $multi_source_ids);
        $this->assertSame(array_keys($multi_source_ids), array_keys($row->getSourceIdValues()));
        // Set values in different order.
        $multi_source_ids = $this->testSourceIds + [
            'vid' => 'Node revision',
            'type' => 'Node type',
            'langcode' => 'Node language',
        ];
        $multi_source_ids_values = $this->testValues + [
            'langcode' => 'en',
            'type' => 'page',
            'vid' => 1,
        ];
        $row = new Row($multi_source_ids_values, $multi_source_ids);
        $this->assertSame(array_keys($multi_source_ids), array_keys($row->getSourceIdValues()));
    }
    
    /**
     * Tests getting the source property.
     *
     * @covers ::getSourceProperty
     */
    public function testGetSourceProperty() {
        $row = new Row($this->testValues, $this->testSourceIds);
        $this->assertSame($this->testValues['nid'], $row->getSourceProperty('nid'));
        $this->assertSame($this->testValues['title'], $row->getSourceProperty('title'));
        $this->assertNull($row->getSourceProperty('non_existing'));
    }
    
    /**
     * Tests setting and getting the destination.
     */
    public function testDestination() {
        $row = new Row($this->testValues, $this->testSourceIds);
        $this->assertEmpty($row->getDestination());
        $this->assertFalse($row->hasDestinationProperty('nid'));
        // Set a destination.
        $row->setDestinationProperty('nid', 2);
        $this->assertTrue($row->hasDestinationProperty('nid'));
        $this->assertEquals([
            'nid' => 2,
        ], $row->getDestination());
    }
    
    /**
     * Tests setting/getting multiple destination IDs.
     */
    public function testMultipleDestination() {
        $row = new Row($this->testValues, $this->testSourceIds);
        // Set some deep nested values.
        $row->setDestinationProperty('image/alt', 'alt text');
        $row->setDestinationProperty('image/fid', 3);
        $this->assertTrue($row->hasDestinationProperty('image'));
        $this->assertFalse($row->hasDestinationProperty('alt'));
        $this->assertFalse($row->hasDestinationProperty('fid'));
        $destination = $row->getDestination();
        $this->assertEquals('alt text', $destination['image']['alt']);
        $this->assertEquals(3, $destination['image']['fid']);
        $this->assertEquals('alt text', $row->getDestinationProperty('image/alt'));
        $this->assertEquals(3, $row->getDestinationProperty('image/fid'));
    }
    
    /**
     * Test getting source and destination properties.
     *
     * @param string $key
     *   The key to look up.
     * @param string $expected_value
     *   The expected value.
     *
     * @dataProvider getDataProvider
     * @covers ::get
     */
    public function testGet($key, $expected_value) {
        $row = $this->createRowWithDestinationProperties($this->testGetSourceProperties, $this->testGetSourceIds, $this->testGetDestinationProperties);
        $this->assertSame($expected_value, $row->get($key));
    }
    
    /**
     * Data Provider for testGet.
     *
     * @return array
     *   The keys and expected values.
     */
    public function getDataProvider() {
        return [
            [
                'source_key_1',
                'source_value_1',
            ],
            [
                'source_key_2',
                'source_value_2',
            ],
            [
                '@@source_key_3',
                'source_value_3',
            ],
            [
                'shared_key_1',
                'source_shared_value_1',
            ],
            [
                '@@shared_key_2',
                'source_shared_value_2',
            ],
            [
                '@@@@@@@@shared_key_3',
                'source_shared_value_3',
            ],
            [
                '@destination_key_1',
                'destination_value_1',
            ],
            [
                '@destination_key_2',
                'destination_value_2',
            ],
            [
                '@@@destination_key_3',
                'destination_value_3',
            ],
            [
                '@shared_key_1',
                'destination_shared_value_1',
            ],
            [
                '@@@shared_key_2',
                'destination_shared_value_2',
            ],
            [
                '@@@@@@@@@shared_key_3',
                'destination_shared_value_3',
            ],
            [
                'destination_key_1',
                NULL,
            ],
            [
                '@shared_key_2',
                NULL,
            ],
            [
                '@source_key_1',
                NULL,
            ],
            [
                'random_source_key',
                NULL,
            ],
            [
                '@random_destination_key',
                NULL,
            ],
        ];
    }
    
    /**
     * Test getting multiple source and destination properties.
     *
     * @param array $keys
     *   An array of keys to look up.
     * @param array $expected_values
     *   An array of expected values.
     *
     * @covers::getMultiple
     * @dataProvider getMultipleDataProvider
     */
    public function testGetMultiple(array $keys, array $expected_values) {
        $row = $this->createRowWithDestinationProperties($this->testGetSourceProperties, $this->testGetSourceIds, $this->testGetDestinationProperties);
        $this->assertArrayEquals(array_combine($keys, $expected_values), $row->getMultiple($keys));
    }
    
    /**
     * Data Provider for testGetMultiple.
     *
     * @return array
     *   The keys and expected values.
     */
    public function getMultipleDataProvider() {
        return [
            'Single Key' => [
                'keys' => [
                    'source_key_1',
                ],
                'values' => [
                    'source_value_1',
                ],
            ],
            'All Source Keys' => [
                'keys' => [
                    'source_key_1',
                    'source_key_2',
                    '@@source_key_3',
                ],
                'values' => [
                    'source_value_1',
                    'source_value_2',
                    'source_value_3',
                ],
            ],
            'All Destination Keys' => [
                'keys' => [
                    '@destination_key_1',
                    '@destination_key_2',
                    '@@@destination_key_3',
                ],
                'values' => [
                    'destination_value_1',
                    'destination_value_2',
                    'destination_value_3',
                ],
            ],
            'Mix of keys including non-existent' => [
                'keys' => [
                    'shared_key_1',
                    '@shared_key_1',
                    '@@shared_key_2',
                    '@@@shared_key_2',
                    '@@@@@@@@@shared_key_3',
                    'non_existent_source_key',
                    '@non_existent_destination_key',
                ],
                'values' => [
                    'source_shared_value_1',
                    'destination_shared_value_1',
                    'source_shared_value_2',
                    'destination_shared_value_2',
                    'destination_shared_value_3',
                    NULL,
                    NULL,
                ],
            ],
        ];
    }
    
    /**
     * Create a row and load it with destination properties.
     *
     * @param array $source_properties
     *   The source property array.
     * @param array $source_ids
     *   The source ids array.
     * @param array $destination_properties
     *   The destination properties to load.
     * @param bool $is_stub
     *   Whether this row is a stub row, defaults to FALSE.
     *
     * @return \Drupal\migrate\Row
     *   The row, populated with destination properties.
     */
    protected function createRowWithDestinationProperties(array $source_properties, array $source_ids, array $destination_properties, $is_stub = FALSE) {
        $row = new Row($source_properties, $source_ids, $is_stub);
        foreach ($destination_properties as $key => $property) {
            $row->setDestinationProperty($key, $property);
        }
        return $row;
    }

}