<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/

namespace Magento\Framework\App\Test\Unit\Cache;

use Magento\Framework\App\Cache\InMemoryState;
use PHPUnit\Framework\TestCase;

/**
* InMemory Cache State manager
*/
class InMemoryStateTest extends TestCase
{
/** @var InMemoryState */
private $state;

protected function setUp(): void
{
$this->state = new InMemoryState();
}

/** @test */
public function allCachesAreDisabledByDefault()
{
$this->assertSame(
[false, false],
[$this->state->isEnabled('cache_type_one'), $this->state->isEnabled('cache_type_two')]
);
}

/** @test */
public function enablesOnlySpecificCacheType()
{
$this->state->setEnabled('cache_type_two', true);

$this->assertSame(
[
false,
true,
false
],
[
$this->state->isEnabled('cache_type_one'),
$this->state->isEnabled('cache_type_two'),
$this->state->isEnabled('cache_type_three')
]
);
}

/** @test */
public function allowsToSpecifyCacheTypeConfiguration()
{
$state = $this->state->withPersistedState(
[
'cache_type_one' => true,
'cache_type_three' => true
]
);

$this->assertSame(
[
true,
false,
true
],
[
$state->isEnabled('cache_type_one'),
$state->isEnabled('cache_type_two'),
$state->isEnabled('cache_type_three')
]
);
}

/** @test */
public function mergesPersistentStateInTheFinalObject()
{
$state = $this->state
->withPersistedState(
[
'key2' => true,
'key3' => false
]
)
->withPersistedState(
[
'key1' => false,
'key4' => true,
]
);

$this->assertEquals(
new InMemoryState(
[
'key1' => false,
'key2' => true,
'key3' => false,
'key4' => true
]
),
$state
);
}

/** @test */
public function runtimeValuesAreAreNotPreservedWhenPersistedStateIsModified()
{
$state = $this->state
->withPersistedState(
[
'key1' => true,
'key2' => false
]
);

$state->setEnabled('key1', false);

$this->assertEquals(
new InMemoryState(
[
'key1' => true,
'key2' => false
]
),
$state->withPersistedState([])
);
}

/** @test */
public function persistingStoresRuntimeValuesPersistedState()
{
$state = $this->state
->withPersistedState(
[
'key1' => true,
'key2' => false,
'key3' => false
]
);

$state->setEnabled('key2', true);
$state->persist();

$this->assertEquals(
new InMemoryState(
[
'key1' => true,
'key2' => true,
'key3' => false
]
),
$state
);
}
}