class MigrationLookupTest

class MigrationLookupTest extends MigrationLookupTestCase {
    
    /**
     * @covers ::transform
     */
    public function testTransformWithStubSkipping() {
        $migration_plugin = $this->prophesize(MigrationInterface::class);
        $migration_plugin_manager = $this->prophesize(MigrationPluginManagerInterface::class);
        $destination_id_map = $this->prophesize(MigrateIdMapInterface::class);
        $destination_migration = $this->prophesize(MigrationInterface::class);
        $destination_migration->getIdMap()
            ->willReturn($destination_id_map->reveal());
        $destination_id_map->lookupDestinationIds([
            1,
        ])
            ->willReturn(NULL);
        // Ensure the migration plugin manager returns our migration.
        $migration_plugin_manager->createInstances(Argument::exact([
            'destination_migration',
        ]))
            ->willReturn([
            'destination_migration' => $destination_migration->reveal(),
        ]);
        $configuration = [
            'no_stub' => TRUE,
            'migration' => 'destination_migration',
        ];
        $migration_plugin->id()
            ->willReturn('actual_migration');
        $destination_migration->getDestinationPlugin(TRUE)
            ->shouldNotBeCalled();
        $migration = MigrationLookup::create($this->prepareContainer(), $configuration, '', [], $migration_plugin->reveal());
        $result = $migration->transform(1, $this->migrateExecutable, $this->row, '');
        $this->assertNull($result);
    }
    
    /**
     * @covers ::transform
     */
    public function testTransformWithStubbing() {
        $migration_plugin = $this->prophesize(MigrationInterface::class);
        $this->migrateLookup
            ->lookup('destination_migration', [
            1,
        ])
            ->willReturn(NULL);
        $this->migrateStub
            ->createStub('destination_migration', [
            1,
        ], [], FALSE)
            ->willReturn([
            2,
        ]);
        $configuration = [
            'no_stub' => FALSE,
            'migration' => 'destination_migration',
        ];
        $migration = MigrationLookup::create($this->prepareContainer(), $configuration, '', [], $migration_plugin->reveal());
        $result = $migration->transform(1, $this->migrateExecutable, $this->row, '');
        $this->assertEquals(2, $result);
    }
    
    /**
     * Tests that processing is skipped when the input value is invalid.
     *
     * @param mixed $value
     *   An invalid value.
     *
     * @dataProvider skipInvalidDataProvider
     */
    public function testSkipInvalid($value) {
        $migration_plugin = $this->prophesize(MigrationInterface::class);
        $migration_plugin_manager = $this->prophesize(MigrationPluginManagerInterface::class);
        $configuration = [
            'migration' => 'foobaz',
        ];
        $migration_plugin->id()
            ->willReturn(uniqid());
        $migration_plugin_manager->createInstances([
            'foobaz',
        ])
            ->willReturn([
            'foobaz' => $migration_plugin->reveal(),
        ]);
        $migration = MigrationLookup::create($this->prepareContainer(), $configuration, '', [], $migration_plugin->reveal());
        $this->expectException(MigrateSkipProcessException::class);
        $migration->transform($value, $this->migrateExecutable, $this->row, 'foo');
    }
    
    /**
     * Provides data for the SkipInvalid test.
     *
     * @return array
     *   Empty values.
     */
    public function skipInvalidDataProvider() {
        return [
            'Empty String' => [
                '',
            ],
            'Boolean False' => [
                FALSE,
            ],
            'Empty Array' => [
                [],
            ],
            'Null' => [
                NULL,
            ],
        ];
    }
    
    /**
     * Test that valid, but technically empty values are not skipped.
     *
     * @param mixed $value
     *   A valid value.
     *
     * @dataProvider noSkipValidDataProvider
     */
    public function testNoSkipValid($value) {
        $migration_plugin = $this->prophesize(MigrationInterface::class);
        $migration_plugin_manager = $this->prophesize(MigrationPluginManagerInterface::class);
        $process_plugin_manager = $this->prophesize(MigratePluginManager::class);
        $id_map = $this->prophesize(MigrateIdMapInterface::class);
        $id_map->lookupDestinationIds([
            $value,
        ])
            ->willReturn([]);
        $migration_plugin->getIdMap()
            ->willReturn($id_map->reveal());
        $configuration = [
            'migration' => 'foobaz',
            'no_stub' => TRUE,
        ];
        $migration_plugin->id()
            ->willReturn(uniqid());
        $migration_plugin_manager->createInstances([
            'foobaz',
        ])
            ->willReturn([
            'foobaz' => $migration_plugin->reveal(),
        ]);
        $migration = MigrationLookup::create($this->prepareContainer(), $configuration, '', [], $migration_plugin->reveal());
        $lookup = $migration->transform($value, $this->migrateExecutable, $this->row, 'foo');
        
        /* We provided no values and asked for no stub, so we should get NULL. */
        $this->assertNull($lookup);
    }
    
    /**
     * Provides data for the NoSkipValid test.
     *
     * @return array
     *   Empty values.
     */
    public function noSkipValidDataProvider() {
        return [
            'Integer Zero' => [
                0,
            ],
            'String Zero' => [
                '0',
            ],
            'Float Zero' => [
                0.0,
            ],
        ];
    }
    
    /**
     * Tests a successful lookup.
     *
     * @param array $source_id_values
     *   The source id(s) of the migration map.
     * @param array $destination_id_values
     *   The destination id(s) of the migration map.
     * @param string|array $source_value
     *   The source value(s) for the migration process plugin.
     * @param string|array $expected_value
     *   The expected value(s) of the migration process plugin.
     *
     * @dataProvider successfulLookupDataProvider
     *
     * @throws \Drupal\migrate\MigrateSkipProcessException
     */
    public function testSuccessfulLookup(array $source_id_values, array $destination_id_values, $source_value, $expected_value) {
        $migration_plugin = $this->prophesize(MigrationInterface::class);
        $this->migrateLookup
            ->lookup('foobaz', $source_id_values)
            ->willReturn([
            $destination_id_values,
        ]);
        $configuration = [
            'migration' => 'foobaz',
        ];
        $migration = MigrationLookup::create($this->prepareContainer(), $configuration, '', [], $migration_plugin->reveal());
        $this->assertSame($expected_value, $migration->transform($source_value, $this->migrateExecutable, $this->row, 'foo'));
    }
    
    /**
     * Provides data for the successful lookup test.
     *
     * @return array
     *   The data.
     */
    public function successfulLookupDataProvider() {
        return [
            // Test data for scalar to scalar.
[
                // Source ID of the migration map.
[
                    1,
                ],
                // Destination ID of the migration map.
[
                    3,
                ],
                // Input value for the migration plugin.
1,
                // Expected output value of the migration plugin.
3,
            ],
            // Test 0 as data source ID.
[
                // Source ID of the migration map.
[
                    0,
                ],
                // Destination ID of the migration map.
[
                    3,
                ],
                // Input value for the migration plugin.
0,
                // Expected output value of the migration plugin.
3,
            ],
            // Test data for scalar to array.
[
                // Source ID of the migration map.
[
                    1,
                ],
                // Destination IDs of the migration map.
[
                    3,
                    'foo',
                ],
                // Input value for the migration plugin.
1,
                // Expected output values of the migration plugin.
[
                    3,
                    'foo',
                ],
            ],
            // Test data for array to scalar.
[
                // Source IDs of the migration map.
[
                    1,
                    3,
                ],
                // Destination ID of the migration map.
[
                    'foo',
                ],
                // Input values for the migration plugin.
[
                    1,
                    3,
                ],
                // Expected output value of the migration plugin.
'foo',
            ],
            // Test data for array to array.
[
                // Source IDs of the migration map.
[
                    1,
                    3,
                ],
                // Destination IDs of the migration map.
[
                    3,
                    'foo',
                ],
                // Input values for the migration plugin.
[
                    1,
                    3,
                ],
                // Expected output values of the migration plugin.
[
                    3,
                    'foo',
                ],
            ],
        ];
    }
    
    /**
     * Tests processing multiple source IDs.
     */
    public function testMultipleSourceIds() {
        $migration_plugin = $this->prophesize(MigrationInterface::class);
        $this->migrateLookup
            ->lookup('foobaz', [
            'id',
            6,
        ])
            ->willReturn([
            [
                2,
            ],
        ]);
        $configuration = [
            'migration' => 'foobaz',
        ];
        $migration = MigrationLookup::create($this->prepareContainer(), $configuration, '', [], $migration_plugin->reveal());
        $result = $migration->transform([
            'id',
            6,
        ], $this->migrateExecutable, $this->row, '');
        $this->assertEquals(2, $result);
    }

}