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Remove file map cache when re-analyzing files (#5084)

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* Remove file map cache when re-analyzing files

When the project is re-analyzed under the single thread condition (not using a process pool), the filemaps are not cleared before re-analyzing files. This means that file maps only get appended to. If you delete the contents of a file via the LSP, the file map will still be populated with all the old values for example.

In doing this I had to write a few more tests to check my assumptions too, so adding those additional tests.

* Rename test

* Formatting

* Formatting again!
This commit is contained in:
Joe Hoyle 2021-01-22 16:05:28 -05:00 committed by Daniil Gentili
parent 6c0b2f8cb9
commit c837535c9d
Signed by: danog
GPG Key ID: 8C1BE3B34B230CA7
4 changed files with 151 additions and 0 deletions
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5
src/Psalm/Internal/Codebase/Analyzer.php
View File

@ -576,6 +576,11 @@ class Analyzer
$i = 0;
foreach ($this->files_to_analyze as $file_path => $_) {
// Remove all current maps for the file, so new analysis doesn't
// only append to existing data.
unset($this->reference_map[$file_path]);
unset($this->type_map[$file_path]);
unset($this->argument_map[$file_path]);
$analysis_worker($i, $file_path);
++$i;

36
tests/FileUpdates/AnalyzedMethodTest.php
View File

@ -1318,4 +1318,40 @@ class AnalyzedMethodTest extends \Psalm\Tests\TestCase
],
];
}
public function testFileMapsUpdated(): void
{
$codebase = $this->project_analyzer->getCodebase();
$config = $codebase->config;
$config->throw_exception = false;
$this->file_provider->registerFile('somefile.php', '
<?php
function foo() : void {
}
foo();
');
$codebase->addFilesToAnalyze(['somefile.php' => 'somefile.php']);
$codebase->scanFiles();
$codebase->analyzer->analyzeFiles($this->project_analyzer, 1, false);
$maps = $codebase->analyzer->getMapsForFile('somefile.php');
$this->assertNotEmpty($maps[0]);
$this->file_provider->setOpenContents('somefile.php', '');
$codebase->reloadFiles($this->project_analyzer, ['somefile.php']);
$codebase->analyzer->analyzeFiles($this->project_analyzer, 1, false);
$updated_maps = $codebase->analyzer->getMapsForFile('somefile.php');
$this->assertSame([], $updated_maps[0]);
$this->assertSame([], $updated_maps[1]);
$this->assertSame([], $updated_maps[2]);
}
}

7
tests/Internal/Provider/FakeFileProvider.php
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@ -40,6 +40,13 @@ class FakeFileProvider extends \Psalm\Internal\Provider\FileProvider
$this->fake_files[$file_path] = $file_contents;
}
public function setOpenContents(string $file_path, string $file_contents): void
{
if (isset($this->fake_files[strtolower($file_path)])) {
$this->fake_files[strtolower($file_path)] = $file_contents;
}
}
public function getModifiedTime(string $file_path): int
{
if (isset($this->fake_file_times[$file_path])) {

103
tests/LanguageServer/FileMapTest.php Normal file
View File

@ -0,0 +1,103 @@
<?php
namespace Psalm\Tests\LanguageServer;
use LanguageServerProtocol\Position;
use Psalm\Context;
use Psalm\Internal\Analyzer\ProjectAnalyzer;
use Psalm\Internal\Provider\Providers;
use Psalm\Tests\Internal\Provider;
use Psalm\Tests\TestConfig;
class FileMapTest extends \Psalm\Tests\TestCase
{
public function setUp() : void
{
parent::setUp();
$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(),
new \Psalm\Tests\Internal\Provider\ProjectCacheProvider()
);
$this->project_analyzer = new ProjectAnalyzer(
$config,
$providers
);
$this->project_analyzer->setPhpVersion('7.3');
$this->project_analyzer->getCodebase()->store_node_types = true;
}
public function testMapIsUpdatedOnReloadFiles(): void
{
$codebase = $this->project_analyzer->getCodebase();
$config = $codebase->config;
$config->throw_exception = false;
$this->addFile(
'somefile.php',
'<?php
class A {
function __construct( string $var ) {
}
}
$a = new A( "foo" );'
);
$codebase->file_provider->openFile('somefile.php');
$codebase->scanFiles();
$this->analyzeFile('somefile.php', new Context());
[ $type_map ] = $codebase->analyzer->getMapsForFile('somefile.php');
$this->assertTrue(!empty($type_map));
$codebase->file_provider->setOpenContents('somefile.php', '');
$codebase->reloadFiles($this->project_analyzer, ['somefile.php']);
[ $type_map ] = $codebase->analyzer->getMapsForFile('somefile.php');
$this->assertSame([], $type_map);
}
public function testGetTypeMap(): void
{
$codebase = $this->project_analyzer->getCodebase();
$config = $codebase->config;
$config->throw_exception = false;
$this->addFile(
'somefile.php',
'<?php
class A {
function __construct( string $var ) {
}
}
$a = new A( "foo" );'
);
$codebase->file_provider->openFile('somefile.php');
$codebase->scanFiles();
$this->analyzeFile('somefile.php', new Context());
[ $type_map ] = $codebase->analyzer->getMapsForFile('somefile.php');
$this->assertSame(
[
155 => [
156,
'A',
],
146 => [
148,
'146-147:A',
],
],
$type_map
);
}
}