mirror of
https://github.com/danog/psalm.git
synced 2024-11-30 04:39:00 +01:00
498 lines
16 KiB
PHP
498 lines
16 KiB
PHP
<?php
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namespace Psalm\Tests\LanguageServer;
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use LanguageServerProtocol\Position;
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use Psalm\Context;
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use Psalm\Internal\Analyzer\FileAnalyzer;
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use Psalm\Internal\Analyzer\ProjectAnalyzer;
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use Psalm\Internal\Provider\Providers;
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use Psalm\Tests\Internal\Provider;
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use Psalm\Tests\TestConfig;
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class SymbolLookupTest extends \Psalm\Tests\TestCase
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{
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public function setUp() : void
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{
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parent::setUp();
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$this->file_provider = new \Psalm\Tests\Internal\Provider\FakeFileProvider();
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$config = new TestConfig();
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$providers = new Providers(
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$this->file_provider,
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new \Psalm\Tests\Internal\Provider\ParserInstanceCacheProvider(),
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null,
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null,
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new Provider\FakeFileReferenceCacheProvider(),
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new \Psalm\Tests\Internal\Provider\ProjectCacheProvider()
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);
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$this->project_analyzer = new ProjectAnalyzer(
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$config,
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$providers
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);
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$this->project_analyzer->setPhpVersion('7.3');
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$this->project_analyzer->getCodebase()->store_node_types = true;
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}
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public function testSimpleSymbolLookup(): void
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{
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$this->addFile(
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'somefile.php',
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'<?php
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namespace B;
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class A {
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/** @var int|null */
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protected $a;
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const BANANA = "🍌";
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public function foo() : void {
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$a = 1;
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echo $a;
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}
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}
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function bar() : int {
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return 5;
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}
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function baz(int $a) : int {
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return $a;
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}
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function qux(int $a, int $b) : int {
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return $a + $b;
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}'
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);
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new FileAnalyzer($this->project_analyzer, 'somefile.php', 'somefile.php');
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$codebase = $this->project_analyzer->getCodebase();
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$this->analyzeFile('somefile.php', new Context());
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$this->assertSame('<?php public function foo() : void', $codebase->getSymbolInformation('somefile.php', 'B\A::foo()'));
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$this->assertSame('<?php protected int|null $a', $codebase->getSymbolInformation('somefile.php', 'B\A::$a'));
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$this->assertSame('<?php function B\bar() : int', $codebase->getSymbolInformation('somefile.php', 'B\bar()'));
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$this->assertSame('<?php BANANA', $codebase->getSymbolInformation('somefile.php', 'B\A::BANANA'));
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$this->assertSame("<?php function B\baz(\n int \$a\n) : int", $codebase->getSymbolInformation('somefile.php', 'B\baz()'));
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$this->assertSame("<?php function B\qux(\n int \$a,\n int \$b\n) : int", $codebase->getSymbolInformation('somefile.php', 'B\qux()'));
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}
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public function testSimpleSymbolLocation(): void
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{
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$this->addFile(
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'somefile.php',
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'<?php
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namespace B;
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class A {
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/** @var int|null */
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protected $a;
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const BANANA = "nana";
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public function foo() : void {
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$a = 1;
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echo $a;
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}
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}
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function bar() : int {
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return 5;
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}'
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);
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new FileAnalyzer($this->project_analyzer, 'somefile.php', 'somefile.php');
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$codebase = $this->project_analyzer->getCodebase();
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$this->analyzeFile('somefile.php', new Context());
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$method_symbol_location = $codebase->getSymbolLocation('somefile.php', 'B\A::foo()');
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$this->assertNotNull($method_symbol_location);
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$this->assertSame(10, $method_symbol_location->getLineNumber());
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$this->assertSame(37, $method_symbol_location->getColumn());
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$property_symbol_location = $codebase->getSymbolLocation('somefile.php', 'B\A::$a');
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$this->assertNotNull($property_symbol_location);
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$this->assertSame(6, $property_symbol_location->getLineNumber());
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$this->assertSame(31, $property_symbol_location->getColumn());
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$constant_symbol_location = $codebase->getSymbolLocation('somefile.php', 'B\A::BANANA');
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$this->assertNotNull($constant_symbol_location);
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$this->assertSame(8, $constant_symbol_location->getLineNumber());
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$this->assertSame(27, $constant_symbol_location->getColumn());
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$function_symbol_location = $codebase->getSymbolLocation('somefile.php', 'B\bar()');
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$this->assertNotNull($function_symbol_location);
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$this->assertSame(16, $function_symbol_location->getLineNumber());
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$this->assertSame(26, $function_symbol_location->getColumn());
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$function_symbol_location = $codebase->getSymbolLocation('somefile.php', '257-259');
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$this->assertNotNull($function_symbol_location);
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$this->assertSame(11, $function_symbol_location->getLineNumber());
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$this->assertSame(25, $function_symbol_location->getColumn());
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}
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public function testSymbolLookupAfterAlteration(): void
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{
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$codebase = $this->project_analyzer->getCodebase();
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$config = $codebase->config;
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$config->throw_exception = false;
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$this->addFile(
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'somefile.php',
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'<?php
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namespace B;
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class A {
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/** @var int|null */
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protected $a;
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public function foo() : voi {
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$a = 1;
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$b = $this->a;
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$c = $b;
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echo $a;
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}
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public function bar() : void {
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$a = 2;
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echo $a;
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}
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}'
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);
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$codebase->file_provider->openFile('somefile.php');
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$codebase->scanFiles();
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$this->analyzeFile('somefile.php', new Context());
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$codebase->addTemporaryFileChanges(
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'somefile.php',
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'<?php
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namespace B;
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class A {
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/** @var int|null */
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protected $a;
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public function foo() : void {
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$a = 1;
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$b = $this->a;
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$c = $b;
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echo $a;
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}
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public function bar() : void {
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$a = 2;
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echo $a;
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}
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}'
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);
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$codebase->reloadFiles($this->project_analyzer, ['somefile.php']);
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$codebase->analyzer->analyzeFiles($this->project_analyzer, 1, false);
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$symbol_at_position = $codebase->getReferenceAtPosition('somefile.php', new Position(10, 30));
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$this->assertNotNull($symbol_at_position);
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$this->assertSame('245-246:int|null', $symbol_at_position[0]);
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$symbol_at_position = $codebase->getReferenceAtPosition('somefile.php', new Position(12, 30));
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$this->assertNotNull($symbol_at_position);
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$this->assertSame('213-214:int(1)', $symbol_at_position[0]);
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$symbol_at_position = $codebase->getReferenceAtPosition('somefile.php', new Position(17, 30));
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$this->assertNotNull($symbol_at_position);
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$this->assertSame('425-426:int(2)', $symbol_at_position[0]);
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}
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public function testGetSymbolPositionMissingArg(): void
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{
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$codebase = $this->project_analyzer->getCodebase();
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$config = $codebase->config;
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$config->throw_exception = false;
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$this->addFile(
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'somefile.php',
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'<?php
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namespace B;
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class A {
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public function foo(int $i) : string {
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return "hello";
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}
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public function bar() : void {
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$this->foo();
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}
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}'
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);
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$codebase->file_provider->openFile('somefile.php');
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$codebase->scanFiles();
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$this->analyzeFile('somefile.php', new Context());
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$symbol_at_position = $codebase->getReferenceAtPosition('somefile.php', new Position(9, 33));
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$this->assertNotNull($symbol_at_position);
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$this->assertSame('B\A::foo()', $symbol_at_position[0]);
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}
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public function testGetSymbolPositionNullableArg(): void
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{
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$codebase = $this->project_analyzer->getCodebase();
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$config = $codebase->config;
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$config->throw_exception = false;
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$this->addFile(
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'somefile.php',
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'<?php
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namespace B;
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class AClass {
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}
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function B( ?AClass $class ) {
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}'
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);
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$codebase->file_provider->openFile('somefile.php');
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$codebase->scanFiles();
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$this->analyzeFile('somefile.php', new Context());
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$symbol_at_position = $codebase->getReferenceAtPosition('somefile.php', new Position(4, 33));
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$this->assertNotNull($symbol_at_position);
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$this->assertSame('B\AClass', $symbol_at_position[0]);
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}
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public function testGetSymbolPositionMethodWrongReturnType(): void
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{
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$codebase = $this->project_analyzer->getCodebase();
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$config = $codebase->config;
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$config->throw_exception = false;
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$this->addFile(
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'somefile.php',
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'<?php
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namespace B;
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class AClass {
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/**
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* @return Some
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*/
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protected function get_command() : AClass {
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}
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}
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'
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);
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$codebase->file_provider->openFile('somefile.php');
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$codebase->scanFiles();
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$this->analyzeFile('somefile.php', new Context());
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$symbol_at_position = $codebase->getReferenceAtPosition('somefile.php', new Position(6, 60));
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$this->assertNotNull($symbol_at_position);
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$this->assertSame('B\AClass', $symbol_at_position[0]);
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}
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public function testGetSymbolPositionUseStatement(): void
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{
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$codebase = $this->project_analyzer->getCodebase();
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$config = $codebase->config;
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$config->throw_exception = false;
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$this->addFile(
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'somefile.php',
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'<?php
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namespace B;
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use StreamWrapper;
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'
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);
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$codebase->file_provider->openFile('somefile.php');
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$codebase->scanFiles();
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$this->analyzeFile('somefile.php', new Context());
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$symbol_at_position = $codebase->getReferenceAtPosition('somefile.php', new Position(2, 25));
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$this->assertNotNull($symbol_at_position);
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$this->assertSame('StreamWrapper', $symbol_at_position[0]);
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}
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public function testGetSymbolPositionRange(): void
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{
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$codebase = $this->project_analyzer->getCodebase();
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$config = $codebase->config;
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$config->throw_exception = false;
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$this->addFile(
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'somefile.php',
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'<?php
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namespace B;
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function foo() : string {
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}
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$active_symbol = foo();'
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);
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$codebase->file_provider->openFile('somefile.php');
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$codebase->scanFiles();
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$this->analyzeFile('somefile.php', new Context());
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// This is focusing the $active_symbol variable, the LSP Range that is
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// returned should also point to the same variable (that's where hover popovers will show)
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$symbol_at_position = $codebase->getReferenceAtPosition('somefile.php', new Position(6, 26));
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$this->assertNotNull($symbol_at_position);
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$this->assertSame(16, $symbol_at_position[1]->start->character);
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$this->assertSame(30, $symbol_at_position[1]->end->character);
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}
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public function testGetTypeInDocblock(): void
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{
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$codebase = $this->project_analyzer->getCodebase();
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$config = $codebase->config;
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$config->throw_exception = false;
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$this->addFile(
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'somefile.php',
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'<?php
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namespace B;
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class A {
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/** @var \Exception|null */
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public $prop;
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}'
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);
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$codebase->file_provider->openFile('somefile.php');
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$codebase->scanFiles();
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$this->analyzeFile('somefile.php', new Context());
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$symbol_at_position = $codebase->getReferenceAtPosition('somefile.php', new Position(4, 35));
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$this->assertNotNull($symbol_at_position);
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$this->assertSame('Exception', $symbol_at_position[0]);
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}
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/**
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* @return array<int, array{0: Position, 1: ?string, 2: ?int, 3: ?int}>
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*/
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public function providerGetSignatureHelp(): array
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{
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return [
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[new Position(5, 34), null, null, null],
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[new Position(5, 35), 'B\A::foo', 0, 2],
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[new Position(5, 36), null, null, null],
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[new Position(6, 34), null, null, null],
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[new Position(6, 35), 'B\A::foo', 0, 2],
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[new Position(6, 40), 'B\A::foo', 0, 2],
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[new Position(6, 41), 'B\A::foo', 1, 2],
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[new Position(6, 47), 'B\A::foo', 1, 2],
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[new Position(6, 48), null, null, null],
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[new Position(7, 40), 'B\A::foo', 0, 2],
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[new Position(7, 41), 'B\A::foo', 1, 2],
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[new Position(7, 42), 'B\A::foo', 1, 2],
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[new Position(8, 40), 'B\A::foo', 0, 2],
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[new Position(8, 46), 'B\A::bar', 0, 1],
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[new Position(8, 47), 'B\A::foo', 0, 2],
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[new Position(10, 40), 'B\A::staticfoo', 0, 1],
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// [new Position(12, 28), 'B\foo', 0, 1],
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[new Position(14, 30), 'B\A::__construct', 0, 0],
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[new Position(16, 31), 'strlen', 0, 1],
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];
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}
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/**
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* @dataProvider providerGetSignatureHelp
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*/
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public function testGetSignatureHelp(
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Position $position,
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?string $expected_symbol,
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?int $expected_argument_number,
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?int $expected_param_count
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): void {
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$codebase = $this->project_analyzer->getCodebase();
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$config = $codebase->config;
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$config->throw_exception = false;
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$this->addFile(
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'somefile.php',
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'<?php
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namespace B;
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class A {
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public function foo(string $a, array $b) {
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$this->foo();
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$this->foo("Foo", "Bar");
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$this->foo("Foo", );
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$this->foo($this->bar());
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self::staticFoo();
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foo();
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new A();
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strlen();
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}
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public function bar(string $a) {}
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public static function staticFoo(string $a) {}
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public function __construct() {}
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}
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function foo(string $a) {
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}'
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);
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$codebase->file_provider->openFile('somefile.php');
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$codebase->scanFiles();
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$this->analyzeFile('somefile.php', new Context());
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$reference_location = $codebase->getFunctionArgumentAtPosition('somefile.php', $position);
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if ($expected_symbol !== null) {
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$this->assertNotNull($reference_location);
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[$symbol, $argument_number] = $reference_location;
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$this->assertSame($expected_symbol, $symbol);
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$this->assertSame($expected_argument_number, $argument_number);
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$symbol_information = $codebase->getSignatureInformation($reference_location[0]);
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if ($expected_param_count === null) {
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$this->assertNull($symbol_information);
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} else {
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$this->assertNotNull($symbol_information);
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$this->assertNotNull($symbol_information->parameters);
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$this->assertCount($expected_param_count, $symbol_information->parameters);
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}
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} else {
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$this->assertNull($reference_location);
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}
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}
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}
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