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<?php

namespace Tests;

use CodeIgniter\Settings\Settings;

use CodeIgniter\Test\DatabaseTestTrait;

use Tests\Support\TestCase;

/**

* @internal

*/

final class HelperTest extends TestCase

{

use DatabaseTestTrait;

protected function setUp(): void

{

parent::setUp();

helper(['setting']);

}

public function testReturnsServiceByDefault()

{

$this->assertInstanceOf(Settings::class, setting());

}

public function testThrowsExceptionWithInvalidField()

{

$this->expectException('InvalidArgumentException');

$this->expectExceptionMessage('$key must contain both the class and field name, i.e. Foo.bar');

setting('Foobar');

}

public function testSetsNull()

{

setting('Foo.bam', null);

$this->assertNull(service('settings')->get('Foo.bam'));

$this->assertNull(setting('Foo.bam'));

}

public function testReturnsValueDotArray()

{

service('settings')->set('Foo.bar', 'baz');

$this->assertSame('baz', setting('Foo.bar'));

}

public function testSettingValueDotArray()

{

service('settings')->set('Foo.bar', 'baz');

setting('Foo.bar', false);

$this->assertFalse(service('settings')->get('Foo.bar'));

$this->assertFalse(setting('Foo.bar'));

}

}