Tests\Queryr\Replicator\EntitySource\Api\ApiEntityPageIteratorTest

Complexity

Total Complexity

6

Size/Duplication

Total Lines	89
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	6

Importance

Changes

0

6 Methods

Rating	Name	Duplication	Size	Complexity
A	testIterationOverEmptyIterator()	0	5	1
A	newFakeIterator()	0	6	1
A	testWhenNoPagesAreFound_iteratorIsEmpty()	0	5	1
A	testCorrectAmountOfCallsAreMadeToTheBatchFetcher()	0	19	1
A	newFetcherMock()	0	3	1
A	batchProvider()	0	39	1

<?php

namespace Tests\Queryr\Replicator\EntitySource\Api;

use BatchingIterator\BatchingIterator;
use PHPUnit\Framework\TestCase;
use Queryr\Replicator\EntitySource\BatchingEntityPageFetcher;
use Queryr\Replicator\EntitySource\EntityPageBatchFetcher;
use Tests\Queryr\Replicator\Fixtures\FakeEntityPagesFetcher;

/**
 * @covers \Queryr\Replicator\EntitySource\BatchingEntityPageFetcher
 *
 * @licence GNU GPL v2+
 * @author Jeroen De Dauw < jeroendedauw@gmail.com >
 */
class ApiEntityPageIteratorTest extends TestCase {

	public function testIterationOverEmptyIterator() {
		$iterator = $this->newFakeIterator( [], [] );

		$this->assertSame( [], iterator_to_array( $iterator ) );
	}

	private function newFakeIterator( array $pages, array $pagesToFetch ) {
		return new BatchingIterator( new BatchingEntityPageFetcher(
			new FakeEntityPagesFetcher( $pages ),
			$pagesToFetch
		) );
	}

	public function testWhenNoPagesAreFound_iteratorIsEmpty() {
		$iterator = $this->newFakeIterator( [], [ 'Q1', 'Q2' ] );

		$this->assertSame( [], iterator_to_array( $iterator ) );
	}

	/**
	 * @dataProvider batchProvider
	 */
	public function testCorrectAmountOfCallsAreMadeToTheBatchFetcher( array $ids, $maxBatchSize, $expectedCallCount ) {
		$fetcher = $this->newFetcherMock();

		$fetcher->expects( $this->exactly( $expectedCallCount ) )
			->method( 'fetchEntityPages' )
			->will( $this->returnArgument( 0 ) );

		$iterator = new BatchingIterator( new BatchingEntityPageFetcher(
			$fetcher,

$fetcher is of type object<PHPUnit\Framework\MockObject\MockObject>, but the function expects a object<Queryr\Replicator\EntitySource\EntityPageBatchFetcher>.

			$ids
		) );

		$iterator->setMaxBatchSize( $maxBatchSize );

		$this->assertSame(
			$ids,
			iterator_to_array( $iterator )
		);
	}

	private function newFetcherMock() {
		return $this->createMock( EntityPageBatchFetcher::class );
	}

	public function batchProvider() {
		return [
			[
				[ 'Q1', 'Q2', 'Q3', 'Q4', 'Q5' ],
				5,
				1
			],

			[
				[ 'Q1', 'Q2', 'Q3', 'Q4', 'Q5' ],
				1,
				5
			],

			[
				[ 'Q1', 'Q2', 'Q3', 'Q4', 'Q5' ],
				2,
				3
			],

			[
				[ 'Q1', 'Q2', 'Q3', 'Q4', 'Q5' ],
				3,
				2
			],

			[
				[ 'Q1', 'Q2', 'Q3', 'Q4', 'Q5' ],
				10,
				1
			],

			[
				[ 'Q1', 'Q2', 'Q3', 'Q4' ],
				2,
				2
			],
		];
	}

}