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psalm/tests/LanguageServer/SymbolLookupTest.php

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<?php
namespace Psalm\Tests\LanguageServer;
use LanguageServerProtocol\Position;
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use Psalm\Context;
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use Psalm\Internal\Analyzer\FileAnalyzer;
use Psalm\Internal\Analyzer\ProjectAnalyzer;
use Psalm\Internal\Provider\Providers;
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use Psalm\Tests\Internal\Provider;
use Psalm\Tests\TestConfig;
class SymbolLookupTest extends \Psalm\Tests\TestCase
{
/**
* @return void
*/
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public function setUp() : void
{
parent::setUp();
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FileAnalyzer::clearCache();
$this->file_provider = new \Psalm\Tests\Internal\Provider\FakeFileProvider();
$config = new TestConfig();
$providers = new Providers(
$this->file_provider,
new \Psalm\Tests\Internal\Provider\ParserInstanceCacheProvider(),
null,
null,
new Provider\FakeFileReferenceCacheProvider()
);
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$this->project_analyzer = new ProjectAnalyzer(
$config,
$providers,
false,
true,
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ProjectAnalyzer::TYPE_CONSOLE,
1,
false
);
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$this->project_analyzer->setPhpVersion('7.3');
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$this->project_analyzer->getCodebase()->store_node_types = true;
}
/**
* @return void
*/
public function testSimpleSymbolLookup()
{
$this->addFile(
'somefile.php',
'<?php
namespace B;
class A {
/** @var int|null */
protected $a;
const BANANA = "🍌";
public function foo() : void {
$a = 1;
echo $a;
}
}
function bar() : int {
return 5;
}'
);
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new FileAnalyzer($this->project_analyzer, 'somefile.php', 'somefile.php');
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$codebase = $this->project_analyzer->getCodebase();
$this->analyzeFile('somefile.php', new Context());
$this->assertSame('<?php public function foo() : void', $codebase->getSymbolInformation('somefile.php', 'B\A::foo()'));
$this->assertSame('<?php protected int|null $a', $codebase->getSymbolInformation('somefile.php', 'B\A::$a'));
$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'));
}
/**
* @return void
*/
public function testSimpleSymbolLocation()
{
$this->addFile(
'somefile.php',
'<?php
namespace B;
class A {
/** @var int|null */
protected $a;
const BANANA = "🍌";
public function foo() : void {}
}
function bar() : int {
return 5;
}'
);
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new FileAnalyzer($this->project_analyzer, 'somefile.php', 'somefile.php');
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$codebase = $this->project_analyzer->getCodebase();
$this->analyzeFile('somefile.php', new Context());
$method_symbol_location = $codebase->getSymbolLocation('somefile.php', 'B\A::foo()');
$this->assertNotNull($method_symbol_location);
$this->assertSame(10, $method_symbol_location->getLineNumber());
$this->assertSame(37, $method_symbol_location->getColumn());
$property_symbol_location = $codebase->getSymbolLocation('somefile.php', 'B\A::$a');
$this->assertNotNull($property_symbol_location);
$this->assertSame(6, $property_symbol_location->getLineNumber());
$this->assertSame(31, $property_symbol_location->getColumn());
$constant_symbol_location = $codebase->getSymbolLocation('somefile.php', 'B\A::BANANA');
$this->assertNotNull($constant_symbol_location);
$this->assertSame(8, $constant_symbol_location->getLineNumber());
$this->assertSame(27, $constant_symbol_location->getColumn());
$function_symbol_location = $codebase->getSymbolLocation('somefile.php', 'B\bar()');
$this->assertNotNull($function_symbol_location);
$this->assertSame(13, $function_symbol_location->getLineNumber());
$this->assertSame(26, $function_symbol_location->getColumn());
}
/**
* @return void
*/
public function testSymbolLookupAfterAlteration()
{
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$codebase = $this->project_analyzer->getCodebase();
$config = $codebase->config;
$config->throw_exception = false;
$this->addFile(
'somefile.php',
'<?php
namespace B;
class A {
/** @var int|null */
protected $a;
public function foo() : voi {
$a = 1;
$b = $this->a;
$c = $b;
echo $a;
}
public function bar() : void {
$a = 2;
echo $a;
}
}'
);
$codebase->file_provider->openFile('somefile.php');
$codebase->scanFiles();
$this->analyzeFile('somefile.php', new Context());
$codebase->addTemporaryFileChanges(
'somefile.php',
'<?php
namespace B;
class A {
/** @var int|null */
protected $a;
public function foo() : void {
$a = 1;
$b = $this->a;
$c = $b;
echo $a;
}
public function bar() : void {
$a = 2;
echo $a;
}
}'
);
$codebase->reloadFiles($this->project_analyzer, ['somefile.php']);
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$codebase->analyzer->analyzeFiles($this->project_analyzer, 1, false);
$symbol_at_position = $codebase->getReferenceAtPosition('somefile.php', new Position(10, 30));
$this->assertNotNull($symbol_at_position);
$this->assertSame('type: int|null', $symbol_at_position[0]);
$symbol_at_position = $codebase->getReferenceAtPosition('somefile.php', new Position(12, 30));
$this->assertNotNull($symbol_at_position);
$this->assertSame('type: int', $symbol_at_position[0]);
$symbol_at_position = $codebase->getReferenceAtPosition('somefile.php', new Position(17, 30));
$this->assertNotNull($symbol_at_position);
$this->assertSame('type: int', $symbol_at_position[0]);
}
}