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psalm/tests/Traits/ValidCodeAnalysisTestTrait.php

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<?php
namespace Psalm\Tests\Traits;
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use function is_int;
use const PHP_VERSION;
use Psalm\Config;
use Psalm\Context;
use function strlen;
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use function strpos;
use function substr;
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use function version_compare;
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trait ValidCodeAnalysisTestTrait
{
/**
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* @return iterable<string,array{string,assertions?:array<string,string>,error_levels?:string[]}>
*/
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abstract public function providerValidCodeParse();
/**
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* @dataProvider providerValidCodeParse
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*
* @param string $code
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* @param array<string, string> $assertions
* @param array<string|int, string> $error_levels
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*
* @small
*
* @return void
*/
public function testValidCode(
$code,
$assertions = [],
$error_levels = [],
string $php_version = '7.3'
) {
$test_name = $this->getTestName();
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if (strpos($test_name, 'PHP73-') !== false) {
if (version_compare(PHP_VERSION, '7.3.0', '<')) {
$this->markTestSkipped('Test case requires PHP 7.3.');
return;
}
} elseif (strpos($test_name, 'PHP71-') !== false) {
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if (version_compare(PHP_VERSION, '7.1.0', '<')) {
$this->markTestSkipped('Test case requires PHP 7.1.');
return;
}
} elseif (strpos($test_name, 'SKIPPED-') !== false) {
$this->markTestSkipped('Skipped due to a bug.');
}
foreach ($error_levels as $error_level_key => $error_level) {
if (is_int($error_level_key)) {
$issue_name = $error_level;
$error_level = Config::REPORT_SUPPRESS;
} else {
$issue_name = $error_level_key;
}
Config::getInstance()->setCustomErrorLevel($issue_name, $error_level);
}
$context = new Context();
$this->project_analyzer->setPhpVersion($php_version);
$file_path = self::$src_dir_path . 'somefile.php';
$this->addFile($file_path, $code);
$this->analyzeFile($file_path, $context);
$actual_vars = [];
foreach ($assertions as $var => $_) {
$exact = false;
if ($var && strpos($var, '===') === strlen($var) - 3) {
$var = substr($var, 0, -3);
$exact = true;
}
if (isset($context->vars_in_scope[$var])) {
if ($exact) {
$actual_vars[$var . '==='] = $context->vars_in_scope[$var]->getId();
} else {
$actual_vars[$var] = (string)$context->vars_in_scope[$var];
}
}
}
$this->assertSame($assertions, $actual_vars);
}
}