mirror of
https://github.com/danog/psalm.git
synced 2024-12-11 16:59:45 +01:00
475 lines
16 KiB
PHP
475 lines
16 KiB
PHP
<?php
|
||
|
||
namespace Psalm\Tests;
|
||
|
||
use DOMAttr;
|
||
use DOMDocument;
|
||
use DOMXPath;
|
||
use PHPUnit\Framework\Constraint\Constraint;
|
||
use Psalm\Config;
|
||
use Psalm\Config\IssueHandler;
|
||
use Psalm\Context;
|
||
use Psalm\DocComment;
|
||
use Psalm\Exception\CodeException;
|
||
use Psalm\Internal\Analyzer\ProjectAnalyzer;
|
||
use Psalm\Internal\Provider\FakeFileProvider;
|
||
use Psalm\Internal\Provider\Providers;
|
||
use Psalm\Internal\RuntimeCaches;
|
||
use Psalm\Issue\UnusedBaselineEntry;
|
||
use Psalm\Tests\Internal\Provider\FakeParserCacheProvider;
|
||
use UnexpectedValueException;
|
||
|
||
use function array_diff;
|
||
use function array_filter;
|
||
use function array_keys;
|
||
use function array_map;
|
||
use function array_shift;
|
||
use function count;
|
||
use function dirname;
|
||
use function explode;
|
||
use function file;
|
||
use function file_exists;
|
||
use function file_get_contents;
|
||
use function glob;
|
||
use function implode;
|
||
use function in_array;
|
||
use function preg_match;
|
||
use function preg_quote;
|
||
use function scandir;
|
||
use function sort;
|
||
use function str_replace;
|
||
use function strlen;
|
||
use function strpos;
|
||
use function substr;
|
||
use function trim;
|
||
use function usort;
|
||
use function var_export;
|
||
|
||
use const DIRECTORY_SEPARATOR;
|
||
use const FILE_IGNORE_NEW_LINES;
|
||
use const FILE_SKIP_EMPTY_LINES;
|
||
use const LIBXML_NONET;
|
||
|
||
class DocumentationTest extends TestCase
|
||
{
|
||
/**
|
||
* a list of all files containing annotation documentation
|
||
*/
|
||
private const ANNOTATION_DOCS = [
|
||
'docs/annotating_code/supported_annotations.md',
|
||
'docs/annotating_code/templated_annotations.md',
|
||
'docs/annotating_code/adding_assertions.md',
|
||
'docs/security_analysis/annotations.md',
|
||
];
|
||
|
||
/**
|
||
* annotations that we don’t want documented
|
||
*/
|
||
private const INTENTIONALLY_UNDOCUMENTED_ANNOTATIONS = [
|
||
'@psalm-self-out', // Not documented as it's a legacy alias of @psalm-this-out
|
||
'@psalm-variadic',
|
||
];
|
||
|
||
/**
|
||
* These should be documented
|
||
*/
|
||
private const WALL_OF_SHAME = [
|
||
'@psalm-assert-untainted',
|
||
'@psalm-flow',
|
||
'@psalm-generator-return',
|
||
'@psalm-override-method-visibility',
|
||
'@psalm-override-property-visibility',
|
||
'@psalm-scope-this',
|
||
'@psalm-seal-methods',
|
||
'@psalm-stub-override',
|
||
];
|
||
|
||
protected ProjectAnalyzer $project_analyzer;
|
||
|
||
private static string $docContents = '';
|
||
|
||
/**
|
||
* @return array<string, array<int, string>>
|
||
*/
|
||
private static function getCodeBlocksFromDocs(): array
|
||
{
|
||
$issues_dir = dirname(__DIR__) . DIRECTORY_SEPARATOR . 'docs' . DIRECTORY_SEPARATOR . 'running_psalm' . DIRECTORY_SEPARATOR . 'issues';
|
||
|
||
if (!file_exists($issues_dir)) {
|
||
throw new UnexpectedValueException('docs not found');
|
||
}
|
||
|
||
$issue_code = [];
|
||
|
||
foreach (glob($issues_dir . '/*.md') as $file_path) {
|
||
$file_contents = file_get_contents($file_path);
|
||
|
||
$file_lines = explode("\n", $file_contents);
|
||
|
||
$current_issue = str_replace('# ', '', array_shift($file_lines));
|
||
|
||
for ($i = 0, $j = count($file_lines); $i < $j; ++$i) {
|
||
$current_line = $file_lines[$i];
|
||
|
||
if (substr($current_line, 0, 6) === '```php' && $current_issue) {
|
||
$current_block = '';
|
||
++$i;
|
||
|
||
do {
|
||
$current_block .= $file_lines[$i] . "\n";
|
||
++$i;
|
||
} while (substr($file_lines[$i], 0, 3) !== '```' && $i < $j);
|
||
|
||
$issue_code[$current_issue][] = trim($current_block);
|
||
|
||
continue 2;
|
||
}
|
||
}
|
||
}
|
||
|
||
return $issue_code;
|
||
}
|
||
|
||
public function setUp(): void
|
||
{
|
||
RuntimeCaches::clearAll();
|
||
|
||
$this->file_provider = new FakeFileProvider();
|
||
|
||
$this->project_analyzer = new ProjectAnalyzer(
|
||
new TestConfig(),
|
||
new Providers(
|
||
$this->file_provider,
|
||
new FakeParserCacheProvider(),
|
||
),
|
||
);
|
||
|
||
$this->project_analyzer->setPhpVersion('8.0', 'tests');
|
||
}
|
||
|
||
public function testAllIssuesCoveredInConfigSchema(): void
|
||
{
|
||
$all_issues = IssueHandler::getAllIssueTypes();
|
||
$all_issues[] = 'PluginIssue'; // not an ordinary issue
|
||
sort($all_issues);
|
||
|
||
$schema = new DOMDocument();
|
||
$schema->load(__DIR__ . '/../config.xsd', LIBXML_NONET);
|
||
|
||
$xpath = new DOMXPath($schema);
|
||
$xpath->registerNamespace('xs', 'http://www.w3.org/2001/XMLSchema');
|
||
|
||
/** @var iterable<mixed, DOMAttr> $handlers */
|
||
$handlers = $xpath->query('//xs:complexType[@name="IssueHandlersType"]/xs:choice/xs:element/@name');
|
||
$handler_types = [];
|
||
foreach ($handlers as $handler) {
|
||
$handler_types[] = $handler->value;
|
||
}
|
||
sort($handler_types);
|
||
|
||
$this->assertSame(implode("\n", $all_issues), implode("\n", $handler_types));
|
||
}
|
||
|
||
public function testAllIssuesCovered(): void
|
||
{
|
||
$all_issues = IssueHandler::getAllIssueTypes();
|
||
$all_issues[] = 'ParseError';
|
||
$all_issues[] = 'PluginIssue';
|
||
|
||
sort($all_issues);
|
||
|
||
$code_blocks = self::getCodeBlocksFromDocs();
|
||
|
||
// these cannot have code
|
||
$code_blocks['UnrecognizedExpression'] = true;
|
||
$code_blocks['UnrecognizedStatement'] = true;
|
||
$code_blocks['PluginIssue'] = true;
|
||
$code_blocks['TaintedInput'] = true;
|
||
$code_blocks['TaintedCustom'] = true;
|
||
$code_blocks['ComplexFunction'] = true;
|
||
$code_blocks['ComplexMethod'] = true;
|
||
$code_blocks['ConfigIssue'] = true;
|
||
|
||
$documented_issues = array_keys($code_blocks);
|
||
sort($documented_issues);
|
||
|
||
$this->assertSame(implode("\n", $all_issues), implode("\n", $documented_issues));
|
||
}
|
||
|
||
/**
|
||
* @dataProvider providerInvalidCodeParse
|
||
* @small
|
||
* @param array<string> $ignored_issues
|
||
*/
|
||
public function testInvalidCode(string $code, string $error_message, array $ignored_issues = [], bool $check_references = false, string $php_version = '8.0'): void
|
||
{
|
||
if (strpos($this->getTestName(), 'SKIPPED-') !== false) {
|
||
$this->markTestSkipped();
|
||
}
|
||
|
||
$this->project_analyzer->setPhpVersion($php_version, 'tests');
|
||
|
||
if ($check_references) {
|
||
$this->project_analyzer->getCodebase()->reportUnusedCode();
|
||
$this->project_analyzer->trackUnusedSuppressions();
|
||
}
|
||
|
||
$is_taint_test = strpos($error_message, 'Tainted') !== false;
|
||
|
||
$is_array_offset_test = strpos($error_message, 'ArrayOffset') && strpos($error_message, 'PossiblyUndefined') !== false;
|
||
|
||
$this->project_analyzer->getConfig()->ensure_array_string_offsets_exist = $is_array_offset_test;
|
||
$this->project_analyzer->getConfig()->ensure_array_int_offsets_exist = $is_array_offset_test;
|
||
|
||
foreach ($ignored_issues as $error_level) {
|
||
$this->project_analyzer->getCodebase()->config->setCustomErrorLevel($error_level, Config::REPORT_SUPPRESS);
|
||
}
|
||
|
||
$this->expectException(CodeException::class);
|
||
$this->expectExceptionMessageMatches('/\b' . preg_quote($error_message, '/') . '\b/');
|
||
|
||
$codebase = $this->project_analyzer->getCodebase();
|
||
$codebase->config->visitPreloadedStubFiles($codebase);
|
||
|
||
$file_path = self::$src_dir_path . 'somefile.php';
|
||
|
||
$this->addFile($file_path, $code);
|
||
|
||
if ($is_taint_test) {
|
||
$this->project_analyzer->trackTaintedInputs();
|
||
}
|
||
|
||
$this->analyzeFile($file_path, new Context());
|
||
|
||
if ($check_references) {
|
||
$this->project_analyzer->consolidateAnalyzedData();
|
||
}
|
||
}
|
||
|
||
/**
|
||
* @return array<string,array{string,string,string[],bool,string}>
|
||
*/
|
||
public function providerInvalidCodeParse(): array
|
||
{
|
||
$invalid_code_data = [];
|
||
|
||
foreach (self::getCodeBlocksFromDocs() as $issue_name => $blocks) {
|
||
$php_version = '8.0';
|
||
$ignored_issues = [];
|
||
switch ($issue_name) {
|
||
case 'InvalidStringClass':
|
||
case 'MissingThrowsDocblock':
|
||
case 'PluginClass':
|
||
case 'RedundantIdentityWithTrue':
|
||
case 'TraitMethodSignatureMismatch':
|
||
case 'UncaughtThrowInGlobalScope':
|
||
case UnusedBaselineEntry::getIssueType():
|
||
continue 2;
|
||
|
||
/** @todo reinstate this test when the issue is restored */
|
||
case 'MethodSignatureMustProvideReturnType':
|
||
continue 2;
|
||
|
||
case 'InvalidFalsableReturnType':
|
||
$ignored_issues = ['FalsableReturnStatement'];
|
||
break;
|
||
|
||
case 'InvalidNullableReturnType':
|
||
$ignored_issues = ['NullableReturnStatement'];
|
||
break;
|
||
|
||
case 'InvalidReturnType':
|
||
$ignored_issues = ['InvalidReturnStatement'];
|
||
break;
|
||
|
||
case 'MixedInferredReturnType':
|
||
$ignored_issues = ['MixedReturnStatement'];
|
||
break;
|
||
|
||
case 'MixedStringOffsetAssignment':
|
||
$ignored_issues = ['MixedAssignment'];
|
||
break;
|
||
|
||
case 'ParadoxicalCondition':
|
||
$ignored_issues = ['MissingParamType'];
|
||
break;
|
||
|
||
case 'UnusedClass':
|
||
case 'UnusedMethod':
|
||
$ignored_issues = ['UnusedVariable'];
|
||
break;
|
||
|
||
case 'AmbiguousConstantInheritance':
|
||
case 'DeprecatedConstant':
|
||
case 'DuplicateEnumCase':
|
||
case 'DuplicateEnumCaseValue':
|
||
case 'InvalidEnumBackingType':
|
||
case 'InvalidEnumCaseValue':
|
||
case 'InvalidEnumMethod':
|
||
case 'NoEnumProperties':
|
||
case 'OverriddenFinalConstant':
|
||
case 'InvalidInterfaceImplementation':
|
||
$php_version = '8.1';
|
||
break;
|
||
}
|
||
|
||
$invalid_code_data[$issue_name] = [
|
||
$blocks[0],
|
||
$issue_name,
|
||
$ignored_issues,
|
||
strpos($issue_name, 'Unused') !== false
|
||
|| strpos($issue_name, 'Unevaluated') !== false
|
||
|| strpos($issue_name, 'Unnecessary') !== false,
|
||
$php_version,
|
||
];
|
||
}
|
||
|
||
return $invalid_code_data;
|
||
}
|
||
|
||
public function testShortcodesAreUnique(): void
|
||
{
|
||
$all_issues = IssueHandler::getAllIssueTypes();
|
||
$all_shortcodes = [];
|
||
|
||
foreach ($all_issues as $issue_type) {
|
||
/** @var class-string $issue_class */
|
||
$issue_class = '\\Psalm\\Issue\\' . $issue_type;
|
||
/** @var int $shortcode */
|
||
$shortcode = $issue_class::SHORTCODE;
|
||
$all_shortcodes[$shortcode][] = $issue_type;
|
||
}
|
||
|
||
$duplicate_shortcodes = array_filter(
|
||
$all_shortcodes,
|
||
fn($issues): bool => count($issues) > 1
|
||
);
|
||
|
||
$this->assertEquals(
|
||
[],
|
||
$duplicate_shortcodes,
|
||
"Duplicate shortcodes found: \n" . var_export($duplicate_shortcodes, true),
|
||
);
|
||
}
|
||
|
||
/** @dataProvider knownAnnotations */
|
||
public function testAllAnnotationsAreDocumented(string $annotation): void
|
||
{
|
||
if ('' === self::$docContents) {
|
||
foreach (self::ANNOTATION_DOCS as $file) {
|
||
self::$docContents .= file_get_contents(__DIR__ . '/../' . $file);
|
||
}
|
||
}
|
||
|
||
$this->assertThat(
|
||
self::$docContents,
|
||
$this->conciseExpected($this->stringContains('@psalm-' . $annotation)),
|
||
"'@psalm-$annotation' is not present in the docs",
|
||
);
|
||
}
|
||
|
||
/** @return iterable<string, array{string}> */
|
||
public function knownAnnotations(): iterable
|
||
{
|
||
foreach (DocComment::PSALM_ANNOTATIONS as $annotation) {
|
||
if (in_array('@psalm-' . $annotation, self::INTENTIONALLY_UNDOCUMENTED_ANNOTATIONS, true)) {
|
||
continue;
|
||
}
|
||
|
||
if (in_array('@psalm-' . $annotation, self::WALL_OF_SHAME, true)) {
|
||
continue;
|
||
}
|
||
|
||
yield $annotation => [$annotation];
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Creates a constraint wrapper that displays the expected value in a concise form
|
||
*/
|
||
public function conciseExpected(Constraint $inner): Constraint
|
||
{
|
||
return new class ($inner) extends Constraint
|
||
{
|
||
private Constraint $inner;
|
||
|
||
public function __construct(Constraint $inner)
|
||
{
|
||
$this->inner = $inner;
|
||
}
|
||
|
||
public function toString(): string
|
||
{
|
||
return $this->inner->toString();
|
||
}
|
||
|
||
/**
|
||
* @param mixed $other
|
||
*/
|
||
protected function matches($other): bool
|
||
{
|
||
return $this->inner->matches($other);
|
||
}
|
||
|
||
/**
|
||
* @param mixed $other
|
||
*/
|
||
protected function failureDescription($other): string
|
||
{
|
||
return $this->exporter()->shortenedExport($other) . ' ' . $this->toString();
|
||
}
|
||
};
|
||
}
|
||
|
||
/**
|
||
* Tests that issues.md contains the expected links to issue documentation.
|
||
* issues.md can be generated automatically with bin/generate_documentation_issues_list.php.
|
||
*/
|
||
public function testIssuesIndex(): void
|
||
{
|
||
$docs_dir = dirname(__DIR__) . DIRECTORY_SEPARATOR . "docs" . DIRECTORY_SEPARATOR . "running_psalm" . DIRECTORY_SEPARATOR;
|
||
$issues_index = "{$docs_dir}issues.md";
|
||
$issues_dir = "{$docs_dir}issues";
|
||
|
||
if (!file_exists($issues_dir)) {
|
||
throw new UnexpectedValueException("Issues documentation not found");
|
||
}
|
||
|
||
if (!file_exists($issues_index)) {
|
||
throw new UnexpectedValueException("Issues index not found");
|
||
}
|
||
|
||
$issues_index_contents = file($issues_index, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
|
||
if ($issues_index_contents === false) {
|
||
throw new UnexpectedValueException("Issues index returned false");
|
||
}
|
||
array_shift($issues_index_contents); // Remove title
|
||
|
||
$issues_index_list = array_map(function (string $issues_line) {
|
||
preg_match('/^ - \[([^\]]*)\]\(issues\/\1\.md\)$/', $issues_line, $matches);
|
||
$this->assertCount(2, $matches, "Invalid format in issues index: $issues_line");
|
||
return $matches[1];
|
||
}, $issues_index_contents);
|
||
|
||
$issue_files = array_filter(array_map(function (string $issue_file) {
|
||
if ($issue_file === "." || $issue_file === "..") {
|
||
return false;
|
||
}
|
||
$this->assertStringEndsWith(".md", $issue_file, "Invalid file in issues documentation: $issue_file");
|
||
return substr($issue_file, 0, strlen($issue_file) - 3);
|
||
}, scandir($issues_dir)));
|
||
|
||
$unlisted_issues = array_diff($issue_files, $issues_index_list);
|
||
$this->assertEmpty($unlisted_issues, "Issue documentation missing from issues.md: " . implode(", ", $unlisted_issues));
|
||
|
||
$missing_documentation = array_diff($issues_index_list, $issue_files);
|
||
$this->assertEmpty($missing_documentation, "issues.md has link to non-existent documentation for: " . implode(", ", $missing_documentation));
|
||
|
||
$sorted = $issues_index_list;
|
||
usort($sorted, "strcasecmp");
|
||
for ($i = 0; $i < count($sorted); ++$i) {
|
||
$this->assertEquals($sorted[$i], $issues_index_list[$i], "issues.md out of order, expected {$sorted[$i]} before {$issues_index_list[$i]}");
|
||
}
|
||
}
|
||
}
|