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<?php
/*
* This file is part of php-cache organization.
*
* (c) 2015-2015 Aaron Scherer <aequasi@gmail.com>, Tobias Nyholm <tobias.nyholm@gmail.com>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
namespace Cache\IntegrationTests;
use PHPUnit\Framework\TestCase;
use Psr\SimpleCache\CacheInterface;
abstract class SimpleCacheTest extends TestCase
{
/**
* @type array with functionName => reason.
*/
protected $skippedTests = [];
/**
* @type CacheInterface
*/
private $cache;
/**
* @return CacheInterface that is used in the tests
*/
abstract public function createSimpleCache();
protected function setUp()
{
$this->cache = $this->createSimpleCache();
}
protected function tearDown()
{
if ($this->cache !== null) {
$this->cache->clear();
}
}
/**
* Data provider for invalid keys.
*
* @return array
*/
public static function invalidKeys()
{
return [
[''],
[true],
[false],
[null],
[2],
[2.5],
['{str'],
['rand{'],
['rand{str'],
['rand}str'],
['rand(str'],
['rand)str'],
['rand/str'],
['rand\\str'],
['rand@str'],
['rand:str'],
[new \stdClass()],
[['array']],
];
}
/**
* @return array
*/
public static function invalidTtl()
{
return [
[''],
[true],
[false],
['abc'],
[2.5],
[' 1'], // can be casted to a int
['12foo'], // can be casted to a int
['025'], // can be interpreted as hex
[new \stdClass()],
[['array']],
];
}
/**
* Data provider for valid keys.
*
* @return array
*/
public static function validKeys()
{
return [
['AbC19_.'],
['1234567890123456789012345678901234567890123456789012345678901234'],
];
}
/**
* Data provider for valid data to store.
*
* @return array
*/
public static function validData()
{
return [
['AbC19_.'],
[4711],
[47.11],
[true],
[null],
[['key' => 'value']],
[new \stdClass()],
];
}
public function testSet()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$result = $this->cache->set('key', 'value');
$this->assertTrue($result, 'set() must return true if success');
$this->assertEquals('value', $this->cache->get('key'));
}
public function testSetTtl()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$result = $this->cache->set('key1', 'value', 1);
$this->assertTrue($result, 'set() must return true if success');
$this->assertEquals('value', $this->cache->get('key1'));
sleep(2);
$this->assertNull($this->cache->get('key1'), 'Value must expire after ttl.');
$this->cache->set('key2', 'value', new \DateInterval('PT1S'));
$this->assertEquals('value', $this->cache->get('key2'));
sleep(2);
$this->assertNull($this->cache->get('key2'), 'Value must expire after ttl.');
}
public function testSetExpiredTtl()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->cache->set('key0', 'value');
$this->cache->set('key0', 'value', 0);
$this->assertNull($this->cache->get('key0'));
$this->assertFalse($this->cache->has('key0'));
$this->cache->set('key1', 'value', -1);
$this->assertNull($this->cache->get('key1'));
$this->assertFalse($this->cache->has('key1'));
}
public function testGet()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->assertNull($this->cache->get('key'));
$this->assertEquals('foo', $this->cache->get('key', 'foo'));
$this->cache->set('key', 'value');
$this->assertEquals('value', $this->cache->get('key', 'foo'));
}
public function testDelete()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->assertTrue($this->cache->delete('key'), 'Deleting a value that does not exist should return true');
$this->cache->set('key', 'value');
$this->assertTrue($this->cache->delete('key'), 'Delete must return true on success');
$this->assertNull($this->cache->get('key'), 'Values must be deleted on delete()');
}
public function testClear()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->assertTrue($this->cache->clear(), 'Clearing an empty cache should return true');
$this->cache->set('key', 'value');
$this->assertTrue($this->cache->clear(), 'Delete must return true on success');
$this->assertNull($this->cache->get('key'), 'Values must be deleted on clear()');
}
public function testSetMultiple()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$result = $this->cache->setMultiple(['key0' => 'value0', 'key1' => 'value1']);
$this->assertTrue($result, 'setMultiple() must return true if success');
$this->assertEquals('value0', $this->cache->get('key0'));
$this->assertEquals('value1', $this->cache->get('key1'));
$result = $this->cache->setMultiple(['0' => 'value0']);
$this->assertTrue($result, 'setMultiple() must return true if success');
$this->assertEquals('value0', $this->cache->get('0'));
}
public function testSetMultipleTtl()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->cache->setMultiple(['key2' => 'value2', 'key3' => 'value3'], 1);
$this->assertEquals('value2', $this->cache->get('key2'));
$this->assertEquals('value3', $this->cache->get('key3'));
sleep(2);
$this->assertNull($this->cache->get('key2'), 'Value must expire after ttl.');
$this->assertNull($this->cache->get('key3'), 'Value must expire after ttl.');
$this->cache->setMultiple(['key4' => 'value4'], new \DateInterval('PT1S'));
$this->assertEquals('value4', $this->cache->get('key4'));
sleep(2);
$this->assertNull($this->cache->get('key4'), 'Value must expire after ttl.');
}
public function testSetMultipleExpiredTtl()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->cache->setMultiple(['key0' => 'value0', 'key1' => 'value1'], 0);
$this->assertNull($this->cache->get('key0'));
$this->assertNull($this->cache->get('key1'));
}
public function testSetMultipleWithGenerator()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$gen = function () {
yield 'key0' => 'value0';
yield 'key1' => 'value1';
};
$this->cache->setMultiple($gen());
$this->assertEquals('value0', $this->cache->get('key0'));
$this->assertEquals('value1', $this->cache->get('key1'));
}
public function testGetMultiple()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$result = $this->cache->getMultiple(['key0', 'key1']);
$keys = [];
foreach ($result as $i => $r) {
$keys[] = $i;
$this->assertNull($r);
}
sort($keys);
$this->assertSame(['key0', 'key1'], $keys);
$this->cache->set('key3', 'value');
$result = $this->cache->getMultiple(['key2', 'key3', 'key4'], 'foo');
$keys = [];
foreach ($result as $key => $r) {
$keys[] = $key;
if ($key === 'key3') {
$this->assertEquals('value', $r);
} else {
$this->assertEquals('foo', $r);
}
}
sort($keys);
$this->assertSame(['key2', 'key3', 'key4'], $keys);
}
public function testGetMultipleWithGenerator()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$gen = function () {
yield 1 => 'key0';
yield 1 => 'key1';
};
$this->cache->set('key0', 'value0');
$result = $this->cache->getMultiple($gen());
$keys = [];
foreach ($result as $key => $r) {
$keys[] = $key;
if ($key === 'key0') {
$this->assertEquals('value0', $r);
} elseif ($key === 'key1') {
$this->assertNull($r);
} else {
$this->assertFalse(true, 'This should not happend');
}
}
sort($keys);
$this->assertSame(['key0', 'key1'], $keys);
$this->assertEquals('value0', $this->cache->get('key0'));
$this->assertNull($this->cache->get('key1'));
}
public function testDeleteMultiple()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->assertTrue($this->cache->deleteMultiple([]), 'Deleting a empty array should return true');
$this->assertTrue($this->cache->deleteMultiple(['key']), 'Deleting a value that does not exist should return true');
$this->cache->set('key0', 'value0');
$this->cache->set('key1', 'value1');
$this->assertTrue($this->cache->deleteMultiple(['key0', 'key1']), 'Delete must return true on success');
$this->assertNull($this->cache->get('key0'), 'Values must be deleted on deleteMultiple()');
$this->assertNull($this->cache->get('key1'), 'Values must be deleted on deleteMultiple()');
}
public function testDeleteMultipleGenerator()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$gen = function () {
yield 1 => 'key0';
yield 1 => 'key1';
};
$this->cache->set('key0', 'value0');
$this->assertTrue($this->cache->deleteMultiple($gen()), 'Deleting a generator should return true');
$this->assertNull($this->cache->get('key0'), 'Values must be deleted on deleteMultiple()');
$this->assertNull($this->cache->get('key1'), 'Values must be deleted on deleteMultiple()');
}
public function testHas()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->assertFalse($this->cache->has('key0'));
$this->cache->set('key0', 'value0');
$this->assertTrue($this->cache->has('key0'));
}
/**
* @expectedException \Psr\SimpleCache\InvalidArgumentException
* @dataProvider invalidKeys
*/
public function testGetInvalidKeys($key)
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->cache->get($key);
}
/**
* @expectedException \Psr\SimpleCache\InvalidArgumentException
* @dataProvider invalidKeys
*/
public function testGetMultipleInvalidKeys($key)
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$result = $this->cache->getMultiple(['key1', $key, 'key2']);
}
/**
* @expectedException \Psr\SimpleCache\InvalidArgumentException
*/
public function testGetMultipleNoIterable()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$result = $this->cache->getMultiple('key');
}
/**
* @expectedException \Psr\SimpleCache\InvalidArgumentException
* @dataProvider invalidKeys
*/
public function testSetInvalidKeys($key)
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->cache->set($key, 'foobar');
}
/**
* @expectedException \Psr\SimpleCache\InvalidArgumentException
* @dataProvider invalidKeys
*/
public function testSetMultipleInvalidKeys($key)
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
if (is_int($key)) {
$this->markTestSkipped('As keys, strings are always casted to ints so they should be accepted');
}
$values = function () use ($key) {
yield 'key1' => 'foo';
yield $key => 'bar';
yield 'key2' => 'baz';
};
$this->cache->setMultiple($values());
}
/**
* @expectedException \Psr\SimpleCache\InvalidArgumentException
*/
public function testSetMultipleNoIterable()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->cache->setMultiple('key');
}
/**
* @expectedException \Psr\SimpleCache\InvalidArgumentException
* @dataProvider invalidKeys
*/
public function testHasInvalidKeys($key)
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->cache->has($key);
}
/**
* @expectedException \Psr\SimpleCache\InvalidArgumentException
* @dataProvider invalidKeys
*/
public function testDeleteInvalidKeys($key)
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->cache->delete($key);
}
/**
* @expectedException \Psr\SimpleCache\InvalidArgumentException
* @dataProvider invalidKeys
*/
public function testDeleteMultipleInvalidKeys($key)
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->cache->deleteMultiple(['key1', $key, 'key2']);
}
/**
* @expectedException \Psr\SimpleCache\InvalidArgumentException
*/
public function testDeleteMultipleNoIterable()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->cache->deleteMultiple('key');
}
/**
* @expectedException \Psr\SimpleCache\InvalidArgumentException
* @dataProvider invalidTtl
*/
public function testSetInvalidTtl($ttl)
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->cache->set('key', 'value', $ttl);
}
/**
* @expectedException \Psr\SimpleCache\InvalidArgumentException
* @dataProvider invalidTtl
*/
public function testSetMultipleInvalidTtl($ttl)
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->cache->setMultiple(['key' => 'value'], $ttl);
}
public function testNullOverwrite()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->cache->set('key', 5);
$this->cache->set('key', null);
$this->assertNull($this->cache->get('key'), 'Setting null to a key must overwrite previous value');
}
public function testDataTypeString()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->cache->set('key', '5');
$result = $this->cache->get('key');
$this->assertTrue('5' === $result, 'Wrong data type. If we store a string we must get an string back.');
$this->assertTrue(is_string($result), 'Wrong data type. If we store a string we must get an string back.');
}
public function testDataTypeInteger()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->cache->set('key', 5);
$result = $this->cache->get('key');
$this->assertTrue(5 === $result, 'Wrong data type. If we store an int we must get an int back.');
$this->assertTrue(is_int($result), 'Wrong data type. If we store an int we must get an int back.');
}
public function testDataTypeFloat()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$float = 1.23456789;
$this->cache->set('key', $float);
$result = $this->cache->get('key');
$this->assertTrue(is_float($result), 'Wrong data type. If we store float we must get an float back.');
$this->assertEquals($float, $result);
}
public function testDataTypeBoolean()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->cache->set('key', false);
$result = $this->cache->get('key');
$this->assertTrue(is_bool($result), 'Wrong data type. If we store boolean we must get an boolean back.');
$this->assertFalse($result);
$this->assertTrue($this->cache->has('key'), 'has() should return true when true are stored. ');
}
public function testDataTypeArray()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$array = ['a' => 'foo', 2 => 'bar'];
$this->cache->set('key', $array);
$result = $this->cache->get('key');
$this->assertTrue(is_array($result), 'Wrong data type. If we store array we must get an array back.');
$this->assertEquals($array, $result);
}
public function testDataTypeObject()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$object = new \stdClass();
$object->a = 'foo';
$this->cache->set('key', $object);
$result = $this->cache->get('key');
$this->assertTrue(is_object($result), 'Wrong data type. If we store object we must get an object back.');
$this->assertEquals($object, $result);
}
/**
* @dataProvider validKeys
*/
public function testSetValidKeys($key)
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->cache->set($key, 'foobar');
$this->assertEquals('foobar', $this->cache->get($key));
}
/**
* @dataProvider validKeys
*/
public function testSetMultipleValidKeys($key)
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->cache->setMultiple([$key => 'foobar']);
$result = $this->cache->getMultiple([$key]);
$keys = [];
foreach ($result as $i => $r) {
$keys[] = $i;
$this->assertEquals($key, $i);
$this->assertEquals('foobar', $r);
}
$this->assertSame([$key], $keys);
}
/**
* @dataProvider validData
*/
public function testSetValidData($data)
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->cache->set('key', $data);
$this->assertEquals($data, $this->cache->get('key'));
}
/**
* @dataProvider validData
*/
public function testSetMultipleValidData($data)
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$this->cache->setMultiple(['key' => $data]);
$result = $this->cache->getMultiple(['key']);
$keys = [];
foreach ($result as $i => $r) {
$keys[] = $i;
$this->assertEquals($data, $r);
}
$this->assertSame(['key'], $keys);
}
public function testObjectAsDefaultValue()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$obj = new \stdClass();
$obj->foo = 'value';
$this->assertEquals($obj, $this->cache->get('key', $obj));
}
public function testObjectDoesNotChangeInCache()
{
if (isset($this->skippedTests[__FUNCTION__])) {
$this->markTestSkipped($this->skippedTests[__FUNCTION__]);
}
$obj = new \stdClass();
$obj->foo = 'value';
$this->cache->set('key', $obj);
$obj->foo = 'changed';
$cacheObject = $this->cache->get('key');
$this->assertEquals('value', $cacheObject->foo, 'Object in cache should not have their values changed.');
}
}
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