FileCacheTest::testValuesAsIterable() - Code Metrics - Inspection of "Fix namespace, add strict_types (#2)" - yiisoft/cache-file - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( 599ef6...524477 )

by Alexander
created 2019-08-14 14:10 UTC
FileCacheTest::testValuesAsIterable() A

↳ Parent: FileCacheTest
Complexity

Conditions	1
Paths	1
Size

Total Lines	8
Code Lines	4
Duplication

Lines	0
Ratio	0 %
Importance

Changes
Metric	Value
cc	1
eloc	4
nc	1
nop	2
dl	0
loc	8
rs	10
c	0
b	0
f	0
<?php

namespace Yiisoft\Cache\File\Tests;

require_once __DIR__ . '/MockHelper.php';

use DateInterval;
use phpmock\phpunit\PHPMock;
use Psr\SimpleCache\CacheInterface;
use Psr\SimpleCache\InvalidArgumentException;
use ReflectionException;
use Yiisoft\Cache\File\FileCache;
use Yiisoft\Cache\File\MockHelper;

class FileCacheTest extends TestCase
{
    use PHPMock;

    protected const CACHE_DIRECTORY = __DIR__ . '/runtime/cache';

    protected function tearDown(): void
    {
        MockHelper::$time = null;
    }

    protected function createCacheInstance(): CacheInterface
    {
        return new FileCache(static::CACHE_DIRECTORY);
    }

    /**
     * @dataProvider dataProvider
     * @param $key
     * @param $value
     * @throws InvalidArgumentException
     */
    public function testSet($key, $value): void
    {
        $cache = $this->createCacheInstance();
        $cache->clear();

        for ($i = 0; $i < 2; $i++) {
            $this->assertTrue($cache->set($key, $value));
        }
    }

    /**
     * @dataProvider dataProvider
     * @param $key
     * @param $value
     * @throws InvalidArgumentException
     */
    public function testGet($key, $value): void
    {
        $cache = $this->createCacheInstance();
        $cache->clear();

        $cache->set($key, $value);
        $valueFromCache = $cache->get($key, 'default');

        $this->assertSameExceptObject($value, $valueFromCache);
    }

    /**
     * @dataProvider dataProvider
     * @param $key
     * @param $value
     * @throws InvalidArgumentException
     */
    public function testValueInCacheCannotBeChanged($key, $value): void
    {
        $cache = $this->createCacheInstance();
        $cache->clear();

        $cache->set($key, $value);
        $valueFromCache = $cache->get($key, 'default');

        $this->assertSameExceptObject($value, $valueFromCache);

        if (is_object($value)) {
            $originalValue = clone $value;
            $valueFromCache->test_field = 'changed';
            $value->test_field = 'changed';
            $valueFromCacheNew = $cache->get($key, 'default');
            $this->assertSameExceptObject($originalValue, $valueFromCacheNew);
        }
    }

    /**
     * @dataProvider dataProvider
     * @param $key
     * @param $value
     * @throws InvalidArgumentException
     */
    public function testHas($key, $value): void
    {
        $cache = $this->createCacheInstance();
        $cache->clear();

        $cache->set($key, $value);

        $this->assertTrue($cache->has($key));
        // check whether exists affects the value
        $this->assertSameExceptObject($value, $cache->get($key));

        $this->assertTrue($cache->has($key));
        $this->assertFalse($cache->has('not_exists'));
    }

    public function testGetNonExistent(): void
    {
        $cache = $this->createCacheInstance();
        $cache->clear();

        $this->assertNull($cache->get('non_existent_key'));
    }

    /**
     * @dataProvider dataProvider
     * @param $key
     * @param $value
     * @throws InvalidArgumentException
     */
    public function testDelete($key, $value): void
    {
        $cache = $this->createCacheInstance();
        $cache->clear();

        $cache->set($key, $value);

        $this->assertSameExceptObject($value, $cache->get($key));
        $this->assertTrue($cache->delete($key));
        $this->assertNull($cache->get($key));
    }

    /**
     * @dataProvider dataProvider
     * @param $key
     * @param $value
     * @throws InvalidArgumentException
     */
    public function testClear($key, $value): void
    public function testClear($key, /** @scrutinizer ignore-unused */ $value): void
    {
        $cache = $this->createCacheInstance();
        $cache = $this->prepare($cache);

        $this->assertTrue($cache->clear());
        $this->assertNull($cache->get($key));
    }

    /**
     * @dataProvider dataProviderSetMultiple
     * @param int|null $ttl
     * @throws InvalidArgumentException
     */
    public function testSetMultiple(?int $ttl): void
    {
        $cache = $this->createCacheInstance();
        $cache->clear();

        $data = $this->getDataProviderData();

        $cache->setMultiple($data, $ttl);

        foreach ($data as $key => $value) {
            $this->assertSameExceptObject($value, $cache->get($key));
        }
    }

    /**
     * @return array testing multiSet with and without expiry
     */
    public function dataProviderSetMultiple(): array
    {
        return [
            [null],
            [2],
        ];
    }

    public function testGetMultiple(): void
    {
        $cache = $this->createCacheInstance();
        $cache->clear();

        $data = $this->getDataProviderData();

        $cache->setMultiple($data);

        $this->assertSameExceptObject($data, $cache->getMultiple(array_keys($data)));
    }

    public function testDeleteMultiple(): void
    {
        $cache = $this->createCacheInstance();
        $cache->clear();

        $data = $this->getDataProviderData();

        $cache->setMultiple($data);

        $this->assertSameExceptObject($data, $cache->getMultiple(array_keys($data)));

        $cache->deleteMultiple(array_keys($data));

        $emptyData = array_map(static function ($v) {
        $emptyData = array_map(static function (/** @scrutinizer ignore-unused */ $v) {
            return null;
        }, $data);

        $this->assertSameExceptObject($emptyData, $cache->getMultiple(array_keys($data)));
    }

    public function testZeroAndNegativeTtl(): void
    {
        $cache = $this->createCacheInstance();
        $cache->clear();
        $cache->setMultiple([
            'a' => 1,
            'b' => 2,
        ]);

        $this->assertTrue($cache->has('a'));
        $this->assertTrue($cache->has('b'));

        $cache->set('a', 11, -1);

        $this->assertFalse($cache->has('a'));

        $cache->set('b', 22, 0);

        $this->assertFalse($cache->has('b'));
    }

    /**
     * @dataProvider dataProviderNormalizeTtl
     * @param mixed $ttl
     * @param mixed $expectedResult
     * @throws ReflectionException
     */
    public function testNormalizeTtl($ttl, $expectedResult): void
    {
        $cache = new FileCache(static::CACHE_DIRECTORY);
        $this->assertSameExceptObject($expectedResult, $this->invokeMethod($cache, 'normalizeTtl', [$ttl]));
    }

    /**
     * Data provider for {@see testNormalizeTtl()}
     * @return array test data
     *
     * @throws \Exception
     */
    public function dataProviderNormalizeTtl(): array
    {
        return [
            [123, 123],
            ['123', 123],
            [null, null],
            [0, 0],
            [new DateInterval('PT6H8M'), 6 * 3600 + 8 * 60],
            [new DateInterval('P2Y4D'), 2 * 365 * 24 * 3600 + 4 * 24 * 3600],
        ];
    }

    /**
     * @dataProvider ttlToExpirationProvider
     * @param mixed $ttl
     * @param mixed $expected
     * @throws ReflectionException
     */
    public function testTtlToExpiration($ttl, $expected): void
    {
        if ($expected === 'calculate_expiration') {
            MockHelper::$time = \time();
            $expected = MockHelper::$time + $ttl;
        }
        if ($expected === 'calculate_max_expiration') {
            MockHelper::$time = \time();
            $expected = MockHelper::$time + 31536000;
        }
        $cache = new FileCache(static::CACHE_DIRECTORY);
        $this->assertSameExceptObject($expected, $this->invokeMethod($cache, 'ttlToExpiration', [$ttl]));
    }

    public function ttlToExpirationProvider(): array
    {
        return [
            [3, 'calculate_expiration'],
            [null, 'calculate_max_expiration'],
            [-5, -1],
        ];
    }

    /**
     * @dataProvider iterableProvider
     * @param array $array
     * @param iterable $iterable
     * @throws InvalidArgumentException
     */
    public function testValuesAsIterable(array $array, iterable $iterable): void
    {
        $cache = $this->createCacheInstance();
        $cache->clear();

        $cache->setMultiple($iterable);

        $this->assertSameExceptObject($array, $cache->getMultiple(array_keys($array)));
    }

    public function iterableProvider(): array
    {
        return [
            'array' => [
                ['a' => 1, 'b' => 2,],
                ['a' => 1, 'b' => 2,],
            ],
            'ArrayIterator' => [
                ['a' => 1, 'b' => 2,],
                new \ArrayIterator(['a' => 1, 'b' => 2,]),
            ],
            'IteratorAggregate' => [
                ['a' => 1, 'b' => 2,],
                new class() implements \IteratorAggregate
                {
                    public function getIterator()
                    {
                        return new \ArrayIterator(['a' => 1, 'b' => 2,]);
                    }
                }
            ],
            'generator' => [
                ['a' => 1, 'b' => 2,],
                (static function () {
                    yield 'a' => 1;
                    yield 'b' => 2;
                })()
            ]
        ];
    }

    public function testExpire(): void
    {
        $cache = $this->createCacheInstance();
        $cache->clear();

        MockHelper::$time = \time();
        $this->assertTrue($cache->set('expire_test', 'expire_test', 2));
        MockHelper::$time++;
        $this->assertEquals('expire_test', $cache->get('expire_test'));
        MockHelper::$time++;
        $this->assertNull($cache->get('expire_test'));
    }

    /**
     * We have to on separate process because of PHPMock not being able to mock a function that
     * was already called.
     * @runInSeparateProcess
     */
    public function testCacheRenewalOnDifferentOwnership(): void
    {
        if (!function_exists('posix_geteuid')) {
            $this->markTestSkipped('Can not test without posix extension installed.');
        }

        $cache = $this->createCacheInstance();
        $cache->clear();

        $cacheValue = uniqid('value_', false);
        $cacheKey = uniqid('key_', false);

        MockHelper::$time = \time();
        $this->assertTrue($cache->set($cacheKey, $cacheValue, 2));
        $this->assertSame($cacheValue, $cache->get($cacheKey));

        // Override fileowner method so it always returns something not equal to the current user
        $notCurrentEuid = posix_geteuid() + 15;
        $this->getFunctionMock('Yiisoft\Cache\File', 'fileowner')->expects($this->any())->willReturn($notCurrentEuid);
        $this->getFunctionMock('Yiisoft\Cache\File', 'unlink')->expects($this->once());

        $this->assertTrue($cache->set($cacheKey, uniqid('value_2_', false), 2), 'Cannot rebuild cache on different file ownership');
    }

    public function testSetWithDateIntervalTtl(): void
    {
        $cache = $this->createCacheInstance();
        $cache->clear();

        $cache->set('a', 1, new DateInterval('PT1H'));
        $this->assertSameExceptObject(1, $cache->get('a'));

        $cache->setMultiple(['b' => 2]);
        $this->assertSameExceptObject(['b' => 2], $cache->getMultiple(['b']));
    }

    public function testCacheFileSuffix(): void
    {
        /** @var FileCache $cache */
        $cache = $this->createCacheInstance();
        $cache->clear();
        $cache->setCacheFileSuffix('.test');

        $cache->set('a', 1);
        $this->assertSameExceptObject(1, $cache->get('a'));

        $cacheFile = $this->invokeMethod($cache, 'getCacheFile', ['a']);

        $this->assertEquals('.test', substr($cacheFile, -5));
    }

    public function testDirectoryLevel(): void
    {
        /** @var FileCache $cache */
        $cache = $this->createCacheInstance();
        $cache->clear();
        $cache->setDirectoryLevel(0);

        $cache->set('a', 1);
        $this->assertSameExceptObject(1, $cache->get('a'));

        $cacheFile = $this->invokeMethod($cache, 'getCacheFile', ['a']);

        $this->assertEquals(__DIR__ . '/runtime/cache/a.bin', $cacheFile);
    }

    public function testFileMode(): void
    {
        $cache = new FileCache('/tmp/test_file_cache');
        $cache->clear();
        $cache->setFileMode(0755);

        $cache->set('a', 1);
        $this->assertSameExceptObject(1, $cache->get('a'));

        $cacheFile = $this->invokeMethod($cache, 'getCacheFile', ['a']);

        $permissions = substr(sprintf('%o', fileperms($cacheFile)), -4);

        $this->assertEquals('0755', $permissions);
    }

    public function testDirMode(): void
    {
        $cache = new FileCache('/tmp/test_file_cache');
        $cache->clear();
        $cache->setDirMode(0755);

        $cache->set('a', 1);
        $this->assertSameExceptObject(1, $cache->get('a'));

        $cacheFile = $this->invokeMethod($cache, 'getCacheFile', ['a']);

        $permissions = substr(sprintf('%o', fileperms(dirname($cacheFile))), -4);

        $this->assertEquals('0755', $permissions);
    }

    public function testGcProbability(): void
    {
        /** @var FileCache $cache */
        $cache = $this->createCacheInstance();
        $cache->clear();
        $cache->setGcProbability(1000000);

        $key = 'gc_probability_test';

        MockHelper::$time = \time();

        $cache->set($key, 1, 1);

        $this->assertSameExceptObject(1, $cache->get($key));

        $cacheFile = $this->invokeMethod($cache, 'getCacheFile', [$key]);

        $this->assertFileExists($cacheFile);

        MockHelper::$time++;
        MockHelper::$time++;

        $cache->set('b', 2);

        $this->assertFileNotExists($cacheFile);
    }
}

yiisoft / cache-file

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FileCacheTest::testValuesAsIterable() A

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