Psalm test
Static testing tool for psalm plugins.
Installation
$ composer require --dev klimick/psalm-test
$ vendor/bin/psalm-plugin enable klimick/psalm-test
Usage
At the moment you can use two methods for static asserts:
seePsalmIssue: Checks that a code block from thehaveCodehave specific issue.seeReturnType: Verifies a return type from thehaveCodeblock.
Usage example below:
<?php
namespace Klimick\Decode\Test\Static;
use Klimick\PsalmTest\PsalmTest;
use Klimick\PsalmTest\StaticTestCase;
use Klimick\PsalmTest\StaticType\StaticTypes as t;
final class ExampleTest extends PsalmTest
{
public function __invoke(): void
{
StaticTestCase::describe('See InvalidScalarArgument issue')
->haveCode(function() {
$plus = fn(int $a, int $b): int => $a + $b;
$plus(10, 10.00);
})
->seePsalmIssue(
type: 'InvalidScalarArgument',
message: 'Argument 2 expects int, float(10) provided',
);
StaticTestCase::describe('See return type (invariant type compare)')
->haveCode(function() {
return [
'twenty' => 10 + 10,
'message' => 'Hello world!'
];
})
->seeReturnType(
is: t::shape([
'twenty' => t::literal(20),
'message' => t::literal('Hello world!'),
]),
);
StaticTestCase::describe('See return type (covariant type compare)')
->haveCode(function() {
return [
'twenty' => 10 + 10,
'message' => 'Hello world!'
];
})
->seeReturnType(
is: t::shape([
'twenty' => t::int(),
'message' => t::string(),
]),
invariant: false,
);
}
}
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