eZ\Publish\Core\Persistence\Cache\Tests\AbstractCacheHandlerTest

Complexity

Total Complexity

15

Size/Duplication

Total Lines	179
Duplicated Lines	21.23 %

Coupling/Cohesion

Components	1
Dependencies	4

Importance

Changes

0

7 Methods

Rating	Name	Duplication	Size	Complexity
	getHandlerMethodName()	0	1	?
	getHandlerClassName()	0	1	?
	providerForUnCachedMethods()	0	1	?
B	testUnCachedMethods()	0	42	8
	providerForCachedLoadMethods()	0	1	?
A	testLoadMethodsCacheHit()	13	36	4
B	testLoadMethodsCacheMiss()	25	59	3

<?php

/**
 * File contains Test class.
 *
 * @copyright Copyright (C) eZ Systems AS. All rights reserved.
 * @license For full copyright and license information view LICENSE file distributed with this source code.
 */
declare(strict_types=1);

namespace eZ\Publish\Core\Persistence\Cache\Tests;

/**
 * Abstract test case for spi cache impl.
 */
abstract class AbstractCacheHandlerTest extends AbstractBaseHandlerTest
{
    abstract public function getHandlerMethodName(): string;

    abstract public function getHandlerClassName(): string;

    abstract public function providerForUnCachedMethods(): array;

    /**
     * @dataProvider providerForUnCachedMethods
     *
     * @param string $method
     * @param array $arguments
     * @param array|null $tags
     * @param string|array|null $key
     * @param mixed $returnValue
     */
    final public function testUnCachedMethods(string $method, array $arguments, array $tags = null, $key = null, $returnValue = null)
    {
        $handlerMethodName = $this->getHandlerMethodName();

        $this->loggerMock->expects($this->once())->method('logCall');
        $this->loggerMock->expects($this->never())->method('logCacheHit');
        $this->loggerMock->expects($this->never())->method('logCacheMiss');

        $innerHandler = $this->createMock($this->getHandlerClassName());
        $this->persistenceHandlerMock
            ->expects($this->once())
            ->method($handlerMethodName)
            ->will($this->returnValue($innerHandler));

        $innerHandler
            ->expects($this->once())
            ->method($method)
            ->with(...$arguments)
            ->will($this->returnValue($returnValue));

        if ($tags || $key) {
            $this->cacheMock
                ->expects(!empty($tags) ? $this->once() : $this->never())
                ->method('invalidateTags')
                ->with($tags);

            $this->cacheMock
                ->expects(!empty($key) && is_string($key) ? $this->once() : $this->never())
                ->method('deleteItem')
                ->with($key);

            $this->cacheMock
                ->expects(!empty($key) && is_array($key) ? $this->once() : $this->never())
                ->method('deleteItems')
                ->with($key);
        }

        $handler = $this->persistenceCacheHandler->$handlerMethodName();
        $actualReturnValue = call_user_func_array([$handler, $method], $arguments);

        $this->assertEquals($returnValue, $actualReturnValue);
    }

    abstract public function providerForCachedLoadMethods(): array;

    /**
     * @dataProvider providerForCachedLoadMethods
     *
     * @param string $method
     * @param array $arguments
     * @param string $key
     * @param mixed $data
     * @param bool $multi Default false, set to true if method will lookup several cache items.
     * @param array $additionalCalls Sets of additional calls being made to handlers, with 4 values (0: handler name, 1: handler class, 2: method, 3: return data)
     */
    final public function testLoadMethodsCacheHit(string $method, array $arguments, string $key, $data = null, bool $multi = false, array $additionalCalls = [])
    {
        $cacheItem = $this->getCacheItem($key, $multi ? reset($data) : $data);
        $handlerMethodName = $this->getHandlerMethodName();

        $this->loggerMock->expects($this->never())->method('logCall');

        if ($multi) {

This code seems to be duplicated across your project.

            $this->cacheMock
                ->expects($this->once())
                ->method('getItems')
                ->with([$cacheItem->getKey()])
                ->willReturn([$key => $cacheItem]);
        } else {
            $this->cacheMock
                ->expects($this->once())
                ->method('getItem')
                ->with($cacheItem->getKey())
                ->willReturn($cacheItem);
        }

        $this->persistenceHandlerMock
            ->expects($this->never())
            ->method($handlerMethodName);

        foreach ($additionalCalls as $additionalCall) {
            $this->persistenceHandlerMock
                ->expects($this->never())
                ->method($additionalCall[0]);
        }

        $handler = $this->persistenceCacheHandler->$handlerMethodName();
        $return = call_user_func_array([$handler, $method], $arguments);

        $this->assertEquals($data, $return);
    }

    /**
     * @dataProvider providerForCachedLoadMethods
     *
     * @param string $method
     * @param array $arguments
     * @param string $key
     * @param object $data
     * @param bool $multi Default false, set to true if method will lookup several cache items.
     * @param array $additionalCalls Sets of additional calls being made to handlers, with 4 values (0: handler name, 1: handler class, 2: method, 3: return data)
     */
    final public function testLoadMethodsCacheMiss(string $method, array $arguments, string $key, $data = null, bool $multi = false, array $additionalCalls = [])
    {
        $cacheItem = $this->getCacheItem($key, null);
        $handlerMethodName = $this->getHandlerMethodName();

        $this->loggerMock->expects($this->once())->method('logCall');

        if ($multi) {

This code seems to be duplicated across your project.

            $this->cacheMock
                ->expects($this->once())
                ->method('getItems')
                ->with([$cacheItem->getKey()])
                ->willReturn([$key => $cacheItem]);
        } else {
            $this->cacheMock
                ->expects($this->once())
                ->method('getItem')
                ->with($cacheItem->getKey())
                ->willReturn($cacheItem);
        }

        $innerHandlerMock = $this->createMock($this->getHandlerClassName());
        $this->persistenceHandlerMock
            ->expects($this->once())
            ->method($handlerMethodName)
            ->willReturn($innerHandlerMock);

        $innerHandlerMock
            ->expects($this->once())
            ->method($method)
            ->with(...$arguments)
            ->willReturn($data);

        foreach ($additionalCalls as $additionalCall) {

This code seems to be duplicated across your project.

            $innerHandlerMock = $this->createMock($additionalCall[1]);
            $this->persistenceHandlerMock
                ->expects($this->once())
                ->method($additionalCall[0])
                ->willReturn($innerHandlerMock);

            $innerHandlerMock
                ->expects($this->once())
                ->method($additionalCall[2])
                ->willReturn($additionalCall[3]);
        }

        $this->cacheMock
            ->expects($this->once())
            ->method('save')
            ->with($cacheItem);

        $handler = $this->persistenceCacheHandler->$handlerMethodName();
        $return = call_user_func_array([$handler, $method], $arguments);

        $this->assertEquals($data, $return);

        // Assert use of tags would probably need custom logic as internal property is [$tag => $tag] value and we don't want to know that.
        //$this->assertAttributeEquals([], 'tags', $cacheItem);
    }
}