Merge pull request #3977 from greg0ire/psalm-6

Psalm 6

composer.json

@@ -42,9 +42,10 @@
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         "nikic/php-parser": "^4.4",
         "phpstan/phpstan": "^0.12",
-        "phpunit/phpunit": "^8.4.1",
+        "phpunit/phpunit": "^8.5.5",
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         "symfony/console": "^2.0.5|^3.0|^4.0|^5.0",
-        "vimeo/psalm": "^3.11"
+        "vimeo/psalm": "^3.11.4"
     },
     "suggest": {
         "symfony/console": "For helpful console commands such as SQL execution and import of files."

composer.lock

@@ -4,7 +4,7 @@
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         "This file is @generated automatically"
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@@ -158,16 +158,16 @@
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@@ -180,7 +180,7 @@
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                 "phpunit/phpunit": "^6.0.9 | ^7",
                 "react/promise": "^2",
-                "vimeo/psalm": "^3.9@dev"
+                "vimeo/psalm": "^3.11@dev"
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             "extra": {
@@ -232,7 +232,7 @@
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-            "time": "2020-04-04T15:05:26+00:00"
+            "time": "2020-04-30T04:54:50+00:00"
         },
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@@ -683,25 +683,30 @@
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+            "version": "v2019.3",
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-                "phpunit/phpunit": "7.1.4"
+                "phpunit/phpunit": "^7"
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+            "autoload": {
+                "files": [
+                    "PhpStormStubsMap.php"
+                ]
+            },
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             "license": [
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@@ -718,7 +723,7 @@
                 "stubs",
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-            "time": "2019-03-25T16:59:23+00:00"
+            "time": "2019-12-05T16:56:26+00:00"
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@@ -770,16 +775,16 @@
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+            "version": "v2.1.0",
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@@ -812,7 +817,7 @@
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             "description": "Map nested JSON structures onto PHP classes",
-            "time": "2020-03-04T17:23:33+00:00"
+            "time": "2020-04-16T18:48:43+00:00"
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@@ -1069,24 +1074,21 @@
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@@ -1117,44 +1119,42 @@
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-            "time": "2018-08-07T13:53:10+00:00"
+            "time": "2020-04-27T09:25:28+00:00"
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-            "version": "4.3.2",
+            "version": "5.1.0",
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                 "url": "https://github.com/phpDocumentor/ReflectionDocBlock.git",
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-                "phpdocumentor/type-resolver": "~0.4 || ^1.0.0",
-                "webmozart/assert": "^1.0"
+                "ext-filter": "^7.1",
+                "php": "^7.2",
+                "phpdocumentor/reflection-common": "^2.0",
+                "phpdocumentor/type-resolver": "^1.0",
+                "webmozart/assert": "^1"
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             "require-dev": {
-                "doctrine/instantiator": "^1.0.5",
-                "mockery/mockery": "^1.0",
-                "phpunit/phpunit": "^6.4"
+                "doctrine/instantiator": "^1",
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@@ -1165,33 +1165,36 @@
                 {
                     "name": "Mike van Riel",
                     "email": "me@mikevanriel.com"
+                },
+                {
+                    "name": "Jaap van Otterdijk",
+                    "email": "account@ijaap.nl"
                 }
             ],
             "description": "With this component, a library can provide support for annotations via DocBlocks or otherwise retrieve information that is embedded in a DocBlock.",
-            "time": "2019-09-12T14:27:41+00:00"
+            "time": "2020-02-22T12:28:44+00:00"
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-            "version": "1.0.1",
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+                "php": "^7.2",
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             "require-dev": {
-                "ext-tokenizer": "^7.1",
-                "mockery/mockery": "~1",
-                "phpunit/phpunit": "^7.0"
+                "ext-tokenizer": "^7.2",
+                "mockery/mockery": "~1"
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@@ -1215,7 +1218,7 @@
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             "description": "A PSR-5 based resolver of Class names, Types and Structural Element Names",
-            "time": "2019-08-22T18:11:29+00:00"
+            "time": "2020-02-18T18:59:58+00:00"
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@@ -1622,16 +1625,16 @@
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-            "version": "8.4.1",
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@@ -1675,7 +1678,7 @@
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@@ -1701,7 +1704,68 @@
                 "testing",
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-            "time": "2019-10-07T12:57:41+00:00"
+            "funding": [
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+                    "url": "https://phpunit.de/donate.html",
+                    "type": "custom"
+                },
+                {
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+                    "type": "github"
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+            "time": "2020-05-22T13:51:52+00:00"
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+            "version": "0.10.0",
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+                "php": "^7.1.3",
+                "phpunit/phpunit": "^7.5 || ^8.0 || ^9.0",
+                "vimeo/psalm": "^3.6.2 || dev-master"
+            },
+            "require-dev": {
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+                "squizlabs/php_codesniffer": "^3.3.1",
+                "weirdan/codeception-psalm-module": "^0.4.0"
+            },
+            "type": "psalm-plugin",
+            "extra": {
+                "psalm": {
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+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Psalm\\PhpUnitPlugin\\": "src"
+                }
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+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
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+            "authors": [
+                {
+                    "name": "Matt Brown",
+                    "email": "github@muglug.com"
+                }
+            ],
+            "description": "Psalm plugin for PHPUnit",
+            "time": "2020-04-05T22:49:26+00:00"
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@@ -1754,16 +1818,16 @@
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-            "version": "1.1.2",
+            "version": "1.1.3",
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@@ -1797,7 +1861,7 @@
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-            "time": "2019-11-01T11:05:21+00:00"
+            "time": "2020-03-23T09:12:05+00:00"
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@@ -2656,16 +2720,16 @@
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-            "version": "v1.12.0",
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@@ -2677,7 +2741,7 @@
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@@ -2710,7 +2774,21 @@
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+            "funding": [
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@@ -2929,16 +3007,16 @@
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@@ -3000,8 +3078,7 @@
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-                    "Psalm\\": "src/Psalm"
+                    "Psalm\\": "src/Psalm/"
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@@ -3023,35 +3100,33 @@
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-            "time": "2020-04-13T12:47:11+00:00"
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+            "conflict": {
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@@ -3073,7 +3148,7 @@
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-            "time": "2019-08-24T08:43:50+00:00"
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lib/Doctrine/DBAL/Connection.php

@@ -1034,9 +1034,9 @@ class Connection implements DriverConnection
      *
      * This method supports PDO binding types as well as DBAL mapping types.
      *
-     * @param string         $query  The SQL query.
-     * @param mixed[]        $params The query parameters.
-     * @param int[]|string[] $types  The parameter types.
+     * @param string                 $query  The SQL query.
+     * @param array<mixed>           $params The query parameters.
+     * @param array<int|string|null> $types  The parameter types.
      *
      * @return int The number of affected rows.
      *

lib/Doctrine/DBAL/Driver/DrizzlePDOMySql/Driver.php

@@ -33,6 +33,8 @@ class Driver extends \Doctrine\DBAL\Driver\PDOMySql\Driver
 
     /**
      * {@inheritdoc}
+     *
+     * @return DrizzlePlatform
      */
     public function getDatabasePlatform()
     {
@@ -41,6 +43,8 @@ class Driver extends \Doctrine\DBAL\Driver\PDOMySql\Driver
 
     /**
      * {@inheritdoc}
+     *
+     * @return DrizzleSchemaManager
      */
     public function getSchemaManager(\Doctrine\DBAL\Connection $conn)
     {

lib/Doctrine/DBAL/Driver/Mysqli/MysqliConnection.php

@@ -200,6 +200,8 @@ class MysqliConnection implements Connection, PingableConnection, ServerInfoAwar
 
     /**
      * {@inheritdoc}
+     *
+     * @return int
      */
     public function errorCode()
     {
@@ -208,6 +210,8 @@ class MysqliConnection implements Connection, PingableConnection, ServerInfoAwar
 
     /**
      * {@inheritdoc}
+     *
+     * @return string
      */
     public function errorInfo()
     {

lib/Doctrine/DBAL/Driver/Mysqli/MysqliStatement.php

@@ -401,6 +401,8 @@ class MysqliStatement implements IteratorAggregate, Statement
 
     /**
      * {@inheritdoc}
+     *
+     * @return string
      */
     public function errorInfo()
     {

lib/Doctrine/DBAL/Driver/OCI8/OCI8Connection.php

@@ -148,6 +148,8 @@ class OCI8Connection implements Connection, ServerInfoAwareConnection
 
     /**
      * {@inheritdoc}
+     *
+     * @return int|false
      */
     public function lastInsertId($name = null)
     {

lib/Doctrine/DBAL/Driver/PDOConnection.php

@@ -56,12 +56,15 @@ class PDOConnection extends PDO implements Connection, ServerInfoAwareConnection
      * @param string          $prepareString
      * @param array<int, int> $driverOptions
      *
-     * @return Statement
+     * @return \PDOStatement
      */
     public function prepare($prepareString, $driverOptions = [])
     {
         try {
-            return parent::prepare($prepareString, $driverOptions);
+            $statement = parent::prepare($prepareString, $driverOptions);
+            assert($statement instanceof \PDOStatement);
+
+            return $statement;
         } catch (\PDOException $exception) {
             throw new PDOException($exception);
         }
@@ -69,6 +72,8 @@ class PDOConnection extends PDO implements Connection, ServerInfoAwareConnection
 
     /**
      * {@inheritdoc}
+     *
+     * @return \PDOStatement
      */
     public function query()
     {

lib/Doctrine/DBAL/DriverManager.php

@@ -115,11 +115,15 @@ final class DriverManager
      * <b>driverClass</b>:
      * The driver class to use.
      *
-     * @param mixed[]            $params       The parameters.
-     * @param Configuration|null $config       The configuration to use.
-     * @param EventManager|null  $eventManager The event manager to use.
+     * @param  array{wrapperClass?: class-string<T>} $params
+     * @param Configuration|null                    $config       The configuration to use.
+     * @param EventManager|null                     $eventManager The event manager to use.
      *
      * @throws DBALException
+     *
+     * @phpstan-param mixed[] $params
+     * @psalm-return ($params is array{wrapperClass:mixed} ? T : Connection)
+     * @template T of Connection
      */
     public static function getConnection(
         array $params,

lib/Doctrine/DBAL/Logging/SQLLogger.php

@@ -10,9 +10,9 @@ interface SQLLogger
     /**
      * Logs a SQL statement somewhere.
      *
-     * @param string              $sql    The SQL to be executed.
-     * @param mixed[]|null        $params The SQL parameters.
-     * @param int[]|string[]|null $types  The SQL parameter types.
+     * @param string                 $sql    The SQL to be executed.
+     * @param mixed[]|null           $params The SQL parameters.
+     * @param array<int|string|null> $types  The SQL parameter types.
      *
      * @return void
      */

lib/Doctrine/DBAL/Platforms/AbstractPlatform.php

@@ -2816,8 +2816,8 @@ abstract class AbstractPlatform
     }
 
     /**
-     * @param string      $table
-     * @param string|null $database
+     * @param string $table
+     * @param string $database
      *
      * @return string
      *

lib/Doctrine/DBAL/Portability/Connection.php

@@ -108,6 +108,8 @@ class Connection extends \Doctrine\DBAL\Connection
 
     /**
      * {@inheritdoc}
+     *
+     * @return Statement
      */
     public function prepare($statement)
     {

lib/Doctrine/DBAL/SQLParserUtils.php

@@ -118,9 +118,9 @@ class SQLParserUtils
     /**
      * For a positional query this method can rewrite the sql statement with regard to array parameters.
      *
-     * @param string         $query  The SQL query to execute.
-     * @param mixed[]        $params The parameters to bind to the query.
-     * @param int[]|string[] $types  The types the previous parameters are in.
+     * @param string                 $query  The SQL query to execute.
+     * @param mixed[]                $params The parameters to bind to the query.
+     * @param array<string|int|null> $types  The types the previous parameters are in.
      *
      * @return mixed[]
      *

phpstan.neon.dist

@@ -83,3 +83,15 @@ parameters:
 
         # Needs Generics
         - '~Method Doctrine\\DBAL\\Schema\\SchemaDiff::getNewTablesSortedByDependencies\(\) should return array<Doctrine\\DBAL\\Schema\\Table> but returns array<object>.~'
+
+        # Caused by phpdoc annotations intended for Psalm
+        -
+            message: '~Unable to resolve the template type T in call to method static method Doctrine\\DBAL\\DriverManager::getConnection\(\)~'
+            paths:
+                - %currentWorkingDirectory%/lib/Doctrine/DBAL/Id/TableGenerator.php
+                - %currentWorkingDirectory%/lib/Doctrine/DBAL/Schema/SqliteSchemaManager.php
+
+        -
+            message: '~Method Doctrine\\DBAL\\Driver\\PDOSqlsrv\\Connection\:\:lastInsertId\(\) should return string but returns string\|false\|null\.~'
+            paths:
+                - %currentWorkingDirectory%/lib/Doctrine/DBAL/Driver/PDOSqlsrv/Connection.php

psalm.xml

 <?xml version="1.0"?>
 <psalm
     totallyTyped="false"
-    errorLevel="7"
+    errorLevel="6"
     resolveFromConfigFile="true"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xmlns="https://getpsalm.org/schema/config"

tests/Doctrine/Tests/DBAL/Cache/QueryCacheProfileTest.php

@@ -21,7 +21,7 @@ class QueryCacheProfileTest extends DbalTestCase
     /** @var int[] */
     private $params = [666];
 
-    /** @var string[] */
+    /** @var int[] */
     private $types = [ParameterType::INTEGER];
 
     /** @var string[] */

tests/Doctrine/Tests/DBAL/ConnectionTest.php

@@ -22,7 +22,6 @@ use Doctrine\DBAL\Logging\DebugStack;
 use Doctrine\DBAL\Logging\EchoSQLLogger;
 use Doctrine\DBAL\ParameterType;
 use Doctrine\DBAL\Platforms\AbstractPlatform;
-use Doctrine\DBAL\VersionAwarePlatformDriver;
 use Doctrine\Tests\DbalTestCase;
 use Exception;
 use PHPUnit\Framework\MockObject\MockObject;
@@ -145,9 +144,7 @@ class ConnectionTest extends DbalTestCase
 
     public function testConnectDispatchEvent() : void
     {
-        $listenerMock = $this->getMockBuilder($this->getMockClass('ConnectDispatchEventListener'))
-            ->addMethods(['postConnect'])
-            ->getMock();
+        $listenerMock = $this->createMock(ConnectDispatchEventListener::class);
         $listenerMock->expects($this->once())->method('postConnect');
 
         $eventManager = new EventManager();
@@ -762,7 +759,7 @@ class ConnectionTest extends DbalTestCase
      */
     public function testPlatformDetectionIsTriggerOnlyOnceOnRetrievingPlatform() : void
     {
-        $driverMock = $this->createMock([Driver::class, VersionAwarePlatformDriver::class]);
+        $driverMock = $this->createMock(FutureVersionAwarePlatformDriver::class);
 
         $driverConnectionMock = $this->createMock(ServerInfoAwareConnection::class);
 
@@ -883,7 +880,7 @@ class ConnectionTest extends DbalTestCase
      */
     public function testRethrowsOriginalExceptionOnDeterminingPlatformWhenConnectingToNonExistentDatabase() : void
     {
-        $driverMock = $this->createMock([Driver::class, VersionAwarePlatformDriver::class]);
+        $driverMock = $this->createMock(FutureVersionAwarePlatformDriver::class);
 
         $connection        = new Connection(['dbname' => 'foo'], $driverMock);
         $originalException = new Exception('Original exception');
@@ -949,3 +946,8 @@ class ConnectionTest extends DbalTestCase
         $connection->executeCacheQuery($query, [], [], $queryCacheProfile);
     }
 }
+
+interface ConnectDispatchEventListener
+{
+    public function postConnect() : void;
+}

tests/Doctrine/Tests/DBAL/Driver/AbstractDriverTest.php

@@ -28,6 +28,7 @@ use Doctrine\DBAL\Platforms\AbstractPlatform;
 use Doctrine\DBAL\Schema\AbstractSchemaManager;
 use Doctrine\DBAL\VersionAwarePlatformDriver;
 use Doctrine\Tests\DbalTestCase;
+use PHPUnit\Framework\MockObject\MockObject;
 use ReflectionProperty;
 use function array_merge;
 use function get_class;
@@ -198,11 +199,12 @@ abstract class AbstractDriverTest extends DbalTestCase
      */
     abstract protected function createSchemaManager(Connection $connection) : AbstractSchemaManager;
 
+    /**
+     * @return Connection&MockObject
+     */
     protected function getConnectionMock() : Connection
     {
-        return $this->getMockBuilder(Connection::class)
-            ->disableOriginalConstructor()
-            ->getMock();
+        return $this->createMock(Connection::class);
     }
 
     /**
@@ -214,7 +216,7 @@ abstract class AbstractDriverTest extends DbalTestCase
     }
 
     /**
-     * @return mixed[][]
+     * @return iterable<mixed[]>
      */
     public static function exceptionConversionProvider() : iterable
     {

tests/Doctrine/Tests/DBAL/Driver/StatementIteratorTest.php

@@ -43,6 +43,8 @@ class StatementIteratorTest extends DbalTestCase
     }
 
     /**
+     * @param class-string<Statement> $class
+     *
      * @dataProvider statementProvider()
      */
     public function testStatementIterationCallsFetchOncePerStep(string $class) : void
@@ -80,7 +82,7 @@ class StatementIteratorTest extends DbalTestCase
     }
 
     /**
-     * @return string[][]
+     * @return iterable<array{0: class-string<Statement>}>
      */
     public static function statementProvider() : iterable
     {

tests/Doctrine/Tests/DBAL/DriverManagerTest.php

@@ -107,6 +107,7 @@ class DriverManagerTest extends DbalTestCase
 
     /**
      * @requires extension pdo_sqlite
+     * @psalm-suppress InvalidArgument
      */
     public function testInvalidWrapperClass() : void
     {
@@ -242,7 +243,7 @@ class DriverManagerTest extends DbalTestCase
     }
 
     /**
-     * @return array<string, array<int, mixed>>
+     * @return array<string, list<mixed>>
      */
     public function databaseUrls() : iterable
     {
@@ -341,7 +342,7 @@ class DriverManagerTest extends DbalTestCase
                 ],
             ],
             'query params from URL are used as extra params' => [
-                'url' => 'mysql://foo:bar@localhost/dbname?charset=UTF-8',
+                'mysql://foo:bar@localhost/dbname?charset=UTF-8',
                 ['charset' => 'UTF-8'],
             ],
             'simple URL with fallthrough scheme not defined in map' => [

tests/Doctrine/Tests/DBAL/Functional/Driver/SQLSrv/StatementTest.php

@@ -27,7 +27,7 @@ class StatementTest extends DbalFunctionalTestCase
     public function testFailureToPrepareResultsInException() : void
     {
         // use the driver connection directly to avoid having exception wrapped
-        $stmt = $this->connection->getWrappedConnection()->prepare(null);
+        $stmt = $this->connection->getWrappedConnection()->prepare('');
 
         // it's impossible to prepare the statement without bound variables for SQL Server,
         // so the preparation happens before the first execution when variables are already in place

tests/Doctrine/Tests/DBAL/Functional/ResultCacheTest.php

@@ -21,7 +21,7 @@ use const CASE_LOWER;
  */
 class ResultCacheTest extends DbalFunctionalTestCase
 {
-    /** @var array<int, array<int, int|string>> */
+    /** @var list<array{test_int: int, test_string: string}> */
     private $expectedResult = [['test_int' => 100, 'test_string' => 'foo'], ['test_int' => 200, 'test_string' => 'bar'], ['test_int' => 300, 'test_string' => 'baz']];
 
     /** @var DebugStack */
@@ -195,7 +195,7 @@ class ResultCacheTest extends DbalFunctionalTestCase
     }
 
     /**
-     * @param array<int, array<int, int|string>> $expectedResult
+     * @param array<int, array<int, int|string>>|list<int> $expectedResult
      */
     private function assertCacheNonCacheSelectSameFetchModeAreEqual(array $expectedResult, int $fetchMode) : void
     {

tests/Doctrine/Tests/DBAL/Functional/Schema/PostgreSqlSchemaManagerTest.php

@@ -7,6 +7,7 @@ use Doctrine\DBAL\Platforms\PostgreSQL94Platform;
 use Doctrine\DBAL\Schema;
 use Doctrine\DBAL\Schema\Comparator;
 use Doctrine\DBAL\Schema\ForeignKeyConstraint;
+use Doctrine\DBAL\Schema\PostgreSqlSchemaManager;
 use Doctrine\DBAL\Schema\Table;
 use Doctrine\DBAL\Schema\TableDiff;
 use Doctrine\DBAL\Types\BlobType;
@@ -20,6 +21,9 @@ use function strtolower;
 
 class PostgreSqlSchemaManagerTest extends SchemaManagerFunctionalTestCase
 {
+    /** @var PostgreSqlSchemaManager */
+    protected $schemaManager;
+
     protected function tearDown() : void
     {
         parent::tearDown();
@@ -28,7 +32,7 @@ class PostgreSqlSchemaManagerTest extends SchemaManagerFunctionalTestCase
             return;
         }
 
-        $this->connection->getConfiguration()->setFilterSchemaAssetsExpression(null);
+        $this->connection->getConfiguration()->setSchemaAssetsFilter(null);
     }
 
     /**

tests/Doctrine/Tests/DBAL/Functional/Schema/SchemaManagerFunctionalTestCase.php

@@ -60,7 +60,7 @@ abstract class SchemaManagerFunctionalTestCase extends DbalFunctionalTestCase
         $e         = explode('\\', $class);
         $testClass = end($e);
 
-        return strtolower(str_replace('SchemaManagerTest', null, $testClass));
+        return strtolower(str_replace('SchemaManagerTest', '', $testClass));
     }
 
     protected function setUp() : void
@@ -369,10 +369,7 @@ abstract class SchemaManagerFunctionalTestCase extends DbalFunctionalTestCase
 
         $this->schemaManager->dropAndCreateTable($table);
 
-        $listenerMock = $this->getMockBuilder($this->getMockClass('ListTableColumnsDispatchEventListener'))
-            ->addMethods(['onSchemaColumnDefinition'])
-            ->getMock();
-
+        $listenerMock = $this->createMock(ListTableColumnsDispatchEventListener::class);
         $listenerMock
             ->expects($this->exactly(7))
             ->method('onSchemaColumnDefinition');
@@ -397,9 +394,7 @@ abstract class SchemaManagerFunctionalTestCase extends DbalFunctionalTestCase
 
         $this->schemaManager->dropAndCreateTable($table);
 
-        $listenerMock = $this->getMockBuilder($this->getMockClass('ListTableIndexesDispatchEventListener'))
-            ->addMethods(['onSchemaIndexDefinition'])
-            ->getMock();
+        $listenerMock = $this->createMock(ListTableIndexesDispatchEventListener::class);
         $listenerMock
             ->expects($this->exactly(3))
             ->method('onSchemaIndexDefinition');
@@ -1653,3 +1648,13 @@ abstract class SchemaManagerFunctionalTestCase extends DbalFunctionalTestCase
         }
     }
 }
+
+interface ListTableColumnsDispatchEventListener
+{
+    public function onSchemaColumnDefinition() : void;
+}
+
+interface ListTableIndexesDispatchEventListener
+{
+    public function onSchemaIndexDefinition() : void;
+}

tests/Doctrine/Tests/DBAL/Functional/Schema/SqliteSchemaManagerTest.php

@@ -98,7 +98,7 @@ EOS
             new Schema\ForeignKeyConstraint(
                 ['log'],
                 'log',
-                [null],
+                [''],
                 'FK_3',
                 ['onUpdate' => 'SET NULL', 'onDelete' => 'NO ACTION', 'deferrable' => false, 'deferred' => false]
             ),

tests/Doctrine/Tests/DBAL/Functional/WriteTest.php

@@ -7,6 +7,7 @@ use Doctrine\DBAL\Driver\DriverException;
 use Doctrine\DBAL\ParameterType;
 use Doctrine\DBAL\Schema\Sequence;
 use Doctrine\DBAL\Schema\Table;
+use Doctrine\DBAL\Statement;
 use Doctrine\DBAL\Types\Type;
 use Doctrine\Tests\DbalFunctionalTestCase;
 use Throwable;
@@ -94,6 +95,7 @@ class WriteTest extends DbalFunctionalTestCase
         $sql  = 'INSERT INTO write_table (test_int, test_string) VALUES (?, ?)';
         $stmt = $this->connection->prepare($sql);
 
+        self::assertInstanceOf(Statement::class, $stmt);
         $stmt->bindValue(1, 1, Type::getType('integer'));
         $stmt->bindValue(2, 'foo', Type::getType('string'));
         $stmt->execute();
@@ -106,6 +108,7 @@ class WriteTest extends DbalFunctionalTestCase
         $sql  = 'INSERT INTO write_table (test_int, test_string) VALUES (?, ?)';
         $stmt = $this->connection->prepare($sql);
 
+        self::assertInstanceOf(Statement::class, $stmt);
         $stmt->bindValue(1, 1, 'integer');
         $stmt->bindValue(2, 'foo', 'string');
         $stmt->execute();

tests/Doctrine/Tests/DBAL/FutureVersionAwarePlatformDriver.php

+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Tests\DBAL;
+
+use Doctrine\DBAL\Driver;
+use Doctrine\DBAL\VersionAwarePlatformDriver;
+
+/**
+ * Remove me in 3.0.x
+ */
+interface FutureVersionAwarePlatformDriver extends VersionAwarePlatformDriver, Driver
+{
+}

tests/Doctrine/Tests/DBAL/Platforms/AbstractPlatformTestCase.php

@@ -372,9 +372,7 @@ abstract class AbstractPlatformTestCase extends DbalTestCase
 
     public function testGetCreateTableSqlDispatchEvent() : void
     {
-        $listenerMock = $this->getMockBuilder($this->getMockClass('GetCreateTableSqlDispatchEvenListener'))
-            ->addMethods(['onSchemaCreateTable', 'onSchemaCreateTableColumn'])
-            ->getMock();
+        $listenerMock = $this->createMock(GetCreateTableSqlDispatchEventListener::class);
         $listenerMock
             ->expects($this->once())
             ->method('onSchemaCreateTable');
@@ -396,9 +394,7 @@ abstract class AbstractPlatformTestCase extends DbalTestCase
 
     public function testGetDropTableSqlDispatchEvent() : void
     {
-        $listenerMock = $this->getMockBuilder($this->getMockClass('GetDropTableSqlDispatchEventListener'))
-            ->addMethods(['onSchemaDropTable'])
-            ->getMock();
+        $listenerMock = $this->createMock(GetDropTableSqlDispatchEventListener::class);
         $listenerMock
             ->expects($this->once())
             ->method('onSchemaDropTable');
@@ -413,17 +409,7 @@ abstract class AbstractPlatformTestCase extends DbalTestCase
 
     public function testGetAlterTableSqlDispatchEvent() : void
     {
-        $events = [
-            'onSchemaAlterTable',
-            'onSchemaAlterTableAddColumn',
-            'onSchemaAlterTableRemoveColumn',
-            'onSchemaAlterTableChangeColumn',
-            'onSchemaAlterTableRenameColumn',
-        ];
-
-        $listenerMock = $this->getMockBuilder($this->getMockClass('GetAlterTableSqlDispatchEvenListener'))
-            ->addMethods($events)
-            ->getMock();
+        $listenerMock = $this->createMock(GetAlterTableSqlDispatchEventListener::class);
         $listenerMock
             ->expects($this->once())
             ->method('onSchemaAlterTable');
@@ -1532,3 +1518,28 @@ abstract class AbstractPlatformTestCase extends DbalTestCase
         );
     }
 }
+
+interface GetCreateTableSqlDispatchEventListener
+{
+    public function onSchemaCreateTable() : void;
+
+    public function onSchemaCreateTableColumn() : void;
+}
+
+interface GetAlterTableSqlDispatchEventListener
+{
+    public function onSchemaAlterTable() : void;
+
+    public function onSchemaAlterTableAddColumn() : void;
+
+    public function onSchemaAlterTableRemoveColumn() : void;
+
+    public function onSchemaAlterTableChangeColumn() : void;
+
+    public function onSchemaAlterTableRenameColumn() : void;
+}
+
+interface GetDropTableSqlDispatchEventListener
+{
+    public function onSchemaDropTable() : void;
+}

tests/Doctrine/Tests/DBAL/Platforms/AbstractPostgreSqlPlatformTestCase.php

@@ -2,6 +2,8 @@
 
 namespace Doctrine\Tests\DBAL\Platforms;
 
+use Doctrine\DBAL\Platforms\AbstractPlatform;
+use Doctrine\DBAL\Platforms\PostgreSqlPlatform;
 use Doctrine\DBAL\Schema\Column;
 use Doctrine\DBAL\Schema\ColumnDiff;
 use Doctrine\DBAL\Schema\Comparator;
@@ -16,6 +18,14 @@ use function sprintf;
 
 abstract class AbstractPostgreSqlPlatformTestCase extends AbstractPlatformTestCase
 {
+    /** @var PostgreSqlPlatform */
+    protected $platform;
+
+    /**
+     * @return PostgreSqlPlatform
+     */
+    abstract public function createPlatform() : AbstractPlatform;
+
     public function getGenerateTableSql() : string
     {
         return 'CREATE TABLE test (id SERIAL NOT NULL, test VARCHAR(255) DEFAULT NULL, PRIMARY KEY(id))';

tests/Doctrine/Tests/DBAL/Platforms/AbstractSQLServerPlatformTestCase.php

@@ -3,6 +3,7 @@
 namespace Doctrine\Tests\DBAL\Platforms;
 
 use Doctrine\DBAL\DBALException;
+use Doctrine\DBAL\Platforms\SQLServerPlatform;
 use Doctrine\DBAL\Schema\Column;
 use Doctrine\DBAL\Schema\ColumnDiff;
 use Doctrine\DBAL\Schema\Index;
@@ -14,6 +15,9 @@ use function sprintf;
 
 abstract class AbstractSQLServerPlatformTestCase extends AbstractPlatformTestCase
 {
+    /** @var SQLServerPlatform */
+    protected $platform;
+
     public function getGenerateTableSql() : string
     {
         return 'CREATE TABLE test (id INT IDENTITY NOT NULL, test NVARCHAR(255), PRIMARY KEY (id))';

tests/Doctrine/Tests/DBAL/Platforms/OraclePlatformTest.php

@@ -22,6 +22,9 @@ use function uniqid;
 
 class OraclePlatformTest extends AbstractPlatformTestCase
 {
+    /** @var OraclePlatform */
+    protected $platform;
+
     /**
      * @return mixed[][]
      */
@@ -76,6 +79,9 @@ class OraclePlatformTest extends AbstractPlatformTestCase
         $platform->assertValidIdentifier($identifier);
     }
 
+    /**
+     * @return OraclePlatform
+     */
     public function createPlatform() : AbstractPlatform
     {
         return new OraclePlatform();

tests/Doctrine/Tests/DBAL/Platforms/PostgreSQL92PlatformTest.php

@@ -8,6 +8,14 @@ use Doctrine\DBAL\Types\Types;
 
 class PostgreSQL92PlatformTest extends AbstractPostgreSqlPlatformTestCase
 {
+    /** @var PostgreSQL92Platform */
+    protected $platform;
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return PostgreSQL92Platform
+     */
     public function createPlatform() : AbstractPlatform
     {
         return new PostgreSQL92Platform();

tests/Doctrine/Tests/DBAL/Platforms/SQLAnywhere12PlatformTest.php

@@ -52,7 +52,7 @@ class SQLAnywhere12PlatformTest extends SQLAnywhere11PlatformTest
         );
         self::assertEquals(
             'SELECT sequence_name, increment_by, start_with, min_value FROM SYS.SYSSEQUENCE',
-            $this->platform->getListSequencesSQL(null)
+            $this->platform->getListSequencesSQL('')
         );
     }
 

tests/Doctrine/Tests/DBAL/Platforms/SQLAnywherePlatformTest.php

@@ -348,14 +348,14 @@ class SQLAnywherePlatformTest extends AbstractPlatformTestCase
         self::assertEquals(
             'CONSTRAINT pk PRIMARY KEY CLUSTERED (a, b)',
             $this->platform->getPrimaryKeyDeclarationSQL(
-                new Index(null, ['a', 'b'], true, true, ['clustered']),
+                new Index('', ['a', 'b'], true, true, ['clustered']),
                 'pk'
             )
         );
         self::assertEquals(
             'PRIMARY KEY (a, b)',
             $this->platform->getPrimaryKeyDeclarationSQL(
-                new Index(null, ['a', 'b'], true, true)
+                new Index('', ['a', 'b'], true, true)
             )
         );
     }
@@ -391,12 +391,12 @@ class SQLAnywherePlatformTest extends AbstractPlatformTestCase
             'CONSTRAINT unique_constraint UNIQUE CLUSTERED (a, b)',
             $this->platform->getUniqueConstraintDeclarationSQL(
                 'unique_constraint',
-                new Index(null, ['a', 'b'], true, false, ['clustered'])
+                new Index('', ['a', 'b'], true, false, ['clustered'])
             )
         );
         self::assertEquals(
             'UNIQUE (a, b)',
-            $this->platform->getUniqueConstraintDeclarationSQL(null, new Index(null, ['a', 'b'], true, false))
+            $this->platform->getUniqueConstraintDeclarationSQL('', new Index('', ['a', 'b'], true, false))
         );
     }
 
@@ -517,6 +517,9 @@ class SQLAnywherePlatformTest extends AbstractPlatformTestCase
         ));
     }
 
+    /**
+     * @psalm-suppress InvalidArgument
+     */
     public function testCannotGenerateDropIndexSQLWithInvalidIndexParameter() : void
     {
         $this->expectException(InvalidArgumentException::class);
@@ -524,6 +527,9 @@ class SQLAnywherePlatformTest extends AbstractPlatformTestCase
         $this->platform->getDropIndexSQL(['index'], 'table');
     }
 
+    /**
+     * @psalm-suppress InvalidArgument
+     */
     public function testCannotGenerateDropIndexSQLWithInvalidTableParameter() : void
     {
         $this->expectException(InvalidArgumentException::class);
@@ -596,7 +602,7 @@ class SQLAnywherePlatformTest extends AbstractPlatformTestCase
         self::assertEquals(
             "REVERSE(SUBSTR(REVERSE(SUBSTR(column, PATINDEX('%[^' + c + ']%', column))), PATINDEX('%[^' + c + ']%', " .
             "REVERSE(SUBSTR(column, PATINDEX('%[^' + c + ']%', column))))))",
-            $this->platform->getTrimExpression('column', null, 'c')
+            $this->platform->getTrimExpression('column', TrimMode::UNSPECIFIED, 'c')
         );
         self::assertEquals(
             "REVERSE(SUBSTR(REVERSE(SUBSTR(column, PATINDEX('%[^' + c + ']%', column))), PATINDEX('%[^' + c + ']%', " .

tests/Doctrine/Tests/DBAL/Platforms/SqlitePlatformTest.php

@@ -13,6 +13,12 @@ use Doctrine\DBAL\Types\Type;
 
 class SqlitePlatformTest extends AbstractPlatformTestCase
 {
+    /** @var SqlitePlatform */
+    protected $platform;
+
+    /**
+     * @return SqlitePlatform
+     */
     public function createPlatform() : AbstractPlatform
     {
         return new SqlitePlatform();

tests/Doctrine/Tests/DBAL/Schema/ComparatorTest.php

@@ -872,6 +872,7 @@ class ComparatorTest extends TestCase
 
     /**
      * @group DBAL-106
+     * @psalm-suppress NullArgument
      */
     public function testDiffDecimalWithNullPrecision() : void
     {

tests/Doctrine/Tests/DBAL/Schema/MySqlSchemaManagerTest.php

@@ -10,6 +10,7 @@ use Doctrine\DBAL\Platforms\MySqlPlatform;
 use Doctrine\DBAL\Schema\AbstractSchemaManager;
 use Doctrine\DBAL\Schema\ForeignKeyConstraint;
 use Doctrine\DBAL\Schema\MySqlSchemaManager;
+use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
 use function array_map;
 
@@ -18,7 +19,7 @@ class MySqlSchemaManagerTest extends TestCase
     /** @var AbstractSchemaManager */
     private $manager;
 
-    /** @var Connection */
+    /** @var Connection&MockObject */
     private $conn;
 
     protected function setUp() : void

tests/Doctrine/Tests/DBAL/Sharding/SQLAzure/SQLAzureShardManagerTest.php

@@ -5,6 +5,7 @@ namespace Doctrine\Tests\DBAL\Sharding\SQLAzure;
 use Doctrine\DBAL\Connection;
 use Doctrine\DBAL\Sharding\ShardingException;
 use Doctrine\DBAL\Sharding\SQLAzure\SQLAzureShardManager;
+use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
 
 class SQLAzureShardManagerTest extends TestCase
@@ -81,6 +82,8 @@ class SQLAzureShardManagerTest extends TestCase
 
     /**
      * @param mixed[] $params
+     *
+     * @return Connection&MockObject
      */
     private function createConnection(array $params) : Connection
     {

tests/Doctrine/Tests/DBAL/StatementTest.php

@@ -14,16 +14,17 @@ use Doctrine\DBAL\Statement;
 use Doctrine\Tests\DbalTestCase;
 use Exception;
 use PDOStatement;
+use PHPUnit\Framework\MockObject\MockObject;
 
 class StatementTest extends DbalTestCase
 {
-    /** @var Connection */
+    /** @var Connection&MockObject */
     private $conn;
 
-    /** @var Configuration */
+    /** @var Configuration&MockObject */
     private $configuration;
 
-    /** @var PDOStatement */
+    /** @var PDOStatement&MockObject */
     private $pdoStatement;
 
     protected function setUp() : void

tests/Doctrine/Tests/DBAL/Tools/Console/RunSqlCommandTest.php

@@ -6,6 +6,7 @@ use Doctrine\DBAL\Connection;
 use Doctrine\DBAL\Tools\Console\Command\RunSqlCommand;
 use Doctrine\DBAL\Tools\Console\ConsoleRunner;
 use LogicException;
+use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
 use RuntimeException;
 use Symfony\Component\Console\Application;
@@ -18,7 +19,7 @@ class RunSqlCommandTest extends TestCase
     /** @var RunSqlCommand */
     private $command;
 
-    /** @var Connection */
+    /** @var Connection&MockObject */
     private $connectionMock;
 
     protected function setUp() : void

tests/Doctrine/Tests/DBAL/Types/TypeTest.php

@@ -19,7 +19,7 @@ class TypeTest extends TestCase
     }
 
     /**
-     * @return string[][]
+     * @return iterable<string[]>
      */
     public function defaultTypesProvider() : iterable
     {
@@ -28,7 +28,10 @@ class TypeTest extends TestCase
                 continue;
             }
 
-            yield [$constant->getValue()];
+            $constantValue = $constant->getValue();
+            self::assertIsString($constantValue);
+
+            yield [$constantValue];
         }
     }
 }

tests/Doctrine/Tests/DbalPerformanceTestListener.php

@@ -16,7 +16,7 @@ class DbalPerformanceTestListener implements TestListener
 {
     use TestListenerDefaultImplementation;
 
-    /** @var string[][] */
+    /** @var array<string, array<string, float>> */
     private $timings = [];
 
     public function endTest(Test $test, float $time) : void