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psalm/tests/ImplementationRequirementTest.php

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<?php
namespace Psalm\Tests;
class ImplementationRequirementTest extends TestCase
{
use Traits\ValidCodeAnalysisTestTrait;
use Traits\InvalidCodeAnalysisTestTrait;
public function setUp(): void
{
parent::setUp();
$this->addFile(
'base.php',
'<?php
namespace ImplementationRequirements\Base;
interface A { }
interface B { }
'
);
$this->addFile(
'trait.php',
'<?php
namespace ImplementationRequirements\Trait;
use ImplementationRequirements\Base\A as MyAliasedInterfaceA;
use ImplementationRequirements\Base\B as MyAliasedInterfaceB;
/**
* @psalm-require-implements MyAliasedInterfaceA
* @psalm-require-implements MyAliasedInterfaceB
*/
trait ImposesImplementationRequirements { }
'
);
}
public function providerValidCodeParse(): iterable
{
return [
'implementsAllRequirements' => [
'<?php
use ImplementationRequirements\Base\A;
use ImplementationRequirements\Base\B;
use ImplementationRequirements\Trait\ImposesImplementationRequirements;
class Valid implements A, B {
use ImposesImplementationRequirements;
}
'
]
];
}
public function providerInvalidCodeParse(): iterable
{
return [
'doesNotImplementAnything' => [
'<?php
use ImplementationRequirements\Trait\ImposesImplementationRequirements;
class Invalid {
use ImposesImplementationRequirements;
}
',
'error_message' => 'requires using class to implement'
],
'onlyImplementsOneRequirement' => [
'<?php
use ImplementationRequirements\Trait\ImposesImplementationRequirements;
use ImplementationRequirements\Base\A;
class Invalid implements A {
use ImposesImplementationRequirements;
}
',
'error_message' => 'requires using class to implement'
]
];
}
}