From 8c31bd27e43a3122ab0b01e24b9d256a22e5496d Mon Sep 17 00:00:00 2001
From: TomasVotruba <tomas.vot@gmail.com>
Date: Mon, 27 Jul 2020 15:40:30 +0200
Subject: [PATCH] [CodeQuality] Add case class name fix

---
 config/set/code-quality.php                   |   3 +
 docs/rector_rules_overview.md                 |  28 +++-
 rector-ci.php                                 |   3 +
 .../FixClassCaseSensitivityNameRector.php     | 143 ++++++++++++++++++
 .../FixClassCaseSensitivityNameRectorTest.php |  34 +++++
 .../Fixture/fixture.php.inc                   |  31 ++++
 .../Fixture/namespace_and_constants.php.inc   |  31 ++++
 .../Fixture/param_type.php.inc                |  31 ++++
 .../Fixture/skip_self_parent.php.inc          |  11 ++
 .../Fixture/skip_short_import.php.inc         |  13 ++
 .../Source/MissCaseTypedClass.php             |  13 ++
 11 files changed, 339 insertions(+), 2 deletions(-)
 create mode 100644 rules/code-quality/src/Rector/Name/FixClassCaseSensitivityNameRector.php
 create mode 100644 rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/FixClassCaseSensitivityNameRectorTest.php
 create mode 100644 rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Fixture/fixture.php.inc
 create mode 100644 rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Fixture/namespace_and_constants.php.inc
 create mode 100644 rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Fixture/param_type.php.inc
 create mode 100644 rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Fixture/skip_self_parent.php.inc
 create mode 100644 rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Fixture/skip_short_import.php.inc
 create mode 100644 rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Source/MissCaseTypedClass.php

diff --git a/config/set/code-quality.php b/config/set/code-quality.php
index 801275953d4..0cdbe1eff09 100644
--- a/config/set/code-quality.php
+++ b/config/set/code-quality.php
@@ -53,6 +53,7 @@ use Rector\CodeQuality\Rector\If_\SimplifyIfNotNullReturnRector;
 use Rector\CodeQuality\Rector\If_\SimplifyIfReturnBoolRector;
 use Rector\CodeQuality\Rector\Include_\AbsolutizeRequireAndIncludePathRector;
 use Rector\CodeQuality\Rector\LogicalAnd\AndAssignsToSeparateLinesRector;
+use Rector\CodeQuality\Rector\Name\FixClassCaseSensitivityNameRector;
 use Rector\CodeQuality\Rector\NotEqual\CommonNotEqualRector;
 use Rector\CodeQuality\Rector\Return_\SimplifyUselessVariableRector;
 use Rector\CodeQuality\Rector\Ternary\ArrayKeyExistsTernaryThenValueToCoalescingRector;
@@ -214,4 +215,6 @@ return static function (ContainerConfigurator $containerConfigurator): void {
     $services->set(LogicalToBooleanRector::class);
 
     $services->set(VarToPublicPropertyRector::class);
+
+    $services->set(FixClassCaseSensitivityNameRector::class);
 };
diff --git a/docs/rector_rules_overview.md b/docs/rector_rules_overview.md
index de98d35aa22..70035b3c43e 100644
--- a/docs/rector_rules_overview.md
+++ b/docs/rector_rules_overview.md
@@ -1,4 +1,4 @@
-# All 536 Rectors Overview
+# All 537 Rectors Overview
 
 - [Projects](#projects)
 - [General](#general)
@@ -9,7 +9,7 @@
 - [Architecture](#architecture) (4)
 - [Autodiscovery](#autodiscovery) (4)
 - [CakePHP](#cakephp) (6)
-- [CodeQuality](#codequality) (57)
+- [CodeQuality](#codequality) (58)
 - [CodingStyle](#codingstyle) (36)
 - [DeadCode](#deadcode) (40)
 - [Decomplex](#decomplex) (1)
@@ -814,6 +814,30 @@ Make if conditions more explicit
 
 <br><br>
 
+### `FixClassCaseSensitivityNameRector`
+
+- class: [`Rector\CodeQuality\Rector\Name\FixClassCaseSensitivityNameRector`](/../master/rules/code-quality/src/Rector/Name/FixClassCaseSensitivityNameRector.php)
+- [test fixtures](/../master/rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Fixture)
+
+Change miss-typed case sensitivity name to correct one
+
+```diff
+ final class SomeClass
+ {
+     public function run()
+     {
+-        $anotherClass = new anotherclass;
++        $anotherClass = new AnotherClass;
+     }
+ }
+
+ final class AnotherClass
+ {
+ }
+```
+
+<br><br>
+
 ### `ForRepeatedCountToOwnVariableRector`
 
 - class: [`Rector\CodeQuality\Rector\For_\ForRepeatedCountToOwnVariableRector`](/../master/rules/code-quality/src/Rector/For_/ForRepeatedCountToOwnVariableRector.php)
diff --git a/rector-ci.php b/rector-ci.php
index 113fd6a096b..9184ce1d423 100644
--- a/rector-ci.php
+++ b/rector-ci.php
@@ -9,6 +9,7 @@ use Rector\Core\Configuration\Option;
 use Rector\DeadCode\Rector\ClassConst\RemoveUnusedClassConstantRector;
 use Rector\Php55\Rector\String_\StringClassNameToClassConstantRector;
 use Rector\Set\ValueObject\SetList;
+use Rector\SymfonyPhpConfig\Rector\Closure\AddEmptyLineBetweenCallsInPhpConfigRector;
 use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
 
 return static function (ContainerConfigurator $containerConfigurator): void {
@@ -19,6 +20,8 @@ return static function (ContainerConfigurator $containerConfigurator): void {
             TestCase::class => ['provideData', 'provideData*', 'dataProvider', 'dataProvider*'],
         ]);
 
+    $services->set(AddEmptyLineBetweenCallsInPhpConfigRector::class);
+
     $parameters = $containerConfigurator->parameters();
 
     $parameters->set(Option::SETS, [
diff --git a/rules/code-quality/src/Rector/Name/FixClassCaseSensitivityNameRector.php b/rules/code-quality/src/Rector/Name/FixClassCaseSensitivityNameRector.php
new file mode 100644
index 00000000000..26639b42519
--- /dev/null
+++ b/rules/code-quality/src/Rector/Name/FixClassCaseSensitivityNameRector.php
@@ -0,0 +1,143 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\CodeQuality\Rector\Name;
+
+use PhpParser\Node;
+use PhpParser\Node\Name;
+use PhpParser\Node\Name\FullyQualified;
+use PhpParser\Node\Param;
+use PhpParser\Node\Stmt\UseUse;
+use PHPStan\Reflection\ReflectionProvider;
+use Rector\Core\Rector\AbstractRector;
+use Rector\Core\RectorDefinition\CodeSample;
+use Rector\Core\RectorDefinition\RectorDefinition;
+use Rector\NodeTypeResolver\Node\AttributeKey;
+
+/**
+ * Mostly mimics source from
+ * @see https://github.com/phpstan/phpstan-src/blob/master/src/Rules/ClassCaseSensitivityCheck.php
+ *
+ * @see \Rector\CodeQuality\Tests\Rector\Name\FixClassCaseSensitivityNameRector\FixClassCaseSensitivityNameRectorTest
+ */
+final class FixClassCaseSensitivityNameRector extends AbstractRector
+{
+    /**
+     * @var ReflectionProvider
+     */
+    private $reflectionProvider;
+
+    public function __construct(ReflectionProvider $reflectionProvider)
+    {
+        $this->reflectionProvider = $reflectionProvider;
+    }
+
+    public function getDefinition(): RectorDefinition
+    {
+        return new RectorDefinition('Change miss-typed case sensitivity name to correct one', [
+            new CodeSample(
+                <<<'PHP'
+final class SomeClass
+{
+    public function run()
+    {
+        $anotherClass = new anotherclass;
+    }
+}
+
+final class AnotherClass
+{
+}
+PHP
+,
+                <<<'PHP'
+final class SomeClass
+{
+    public function run()
+    {
+        $anotherClass = new AnotherClass;
+    }
+}
+
+final class AnotherClass
+{
+}
+PHP
+
+            ),
+        ]);
+    }
+
+    /**
+     * @return string[]
+     */
+    public function getNodeTypes(): array
+    {
+        return [Name::class];
+    }
+
+    /**
+     * @param Name $node
+     */
+    public function refactor(Node $node): ?Node
+    {
+        $fullyQualifiedName = $this->resolveFullyQualifiedName($node);
+        if ($fullyQualifiedName === null) {
+            return null;
+        }
+
+        if (! $this->reflectionProvider->hasClass($fullyQualifiedName)) {
+            return null;
+        }
+
+        $classReflection = $this->reflectionProvider->getClass($fullyQualifiedName);
+        if ($classReflection->isBuiltin()) {
+            // skip built-in classes
+            return null;
+        }
+
+        $realClassName = $classReflection->getName();
+        if (strtolower($realClassName) !== strtolower($fullyQualifiedName)) {
+            // skip class alias
+            return null;
+        }
+
+        if ($realClassName === $fullyQualifiedName) {
+            return null;
+        }
+
+        $parent = $node->getAttribute(AttributeKey::PARENT_NODE);
+
+        // do not FQN use imports
+        if ($parent instanceof UseUse) {
+            return new Name($realClassName);
+        }
+
+        return new FullyQualified($realClassName);
+    }
+
+    private function resolveFullyQualifiedName(Name $name): string
+    {
+        $parent = $name->getAttribute(AttributeKey::PARENT_NODE);
+        // for some reason, Param gets already corrected name
+        if (! $parent instanceof Param) {
+            return $this->getName($name);
+        }
+
+        /** @var Name|null $originalName */
+        $originalName = $name->getAttribute(AttributeKey::ORIGINAL_NAME);
+        if ($originalName === null) {
+            return $this->getName($name);
+        }
+
+        // replace parts from the old one
+        $originalReversedParts = array_reverse($originalName->parts);
+        $resolvedReversedParts = array_reverse($name->parts);
+
+        $mergedReversedParts = $originalReversedParts + $resolvedReversedParts;
+        $mergedParts = array_reverse($mergedReversedParts);
+
+        return implode('\\', $mergedParts);
+    }
+}
diff --git a/rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/FixClassCaseSensitivityNameRectorTest.php b/rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/FixClassCaseSensitivityNameRectorTest.php
new file mode 100644
index 00000000000..7fc260ac24b
--- /dev/null
+++ b/rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/FixClassCaseSensitivityNameRectorTest.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\CodeQuality\Tests\Rector\Name\FixClassCaseSensitivityNameRector;
+
+use Iterator;
+use Rector\CodeQuality\Rector\Name\FixClassCaseSensitivityNameRector;
+use Rector\Core\Testing\PHPUnit\AbstractRectorTestCase;
+use Symplify\SmartFileSystem\SmartFileInfo;
+
+final class FixClassCaseSensitivityNameRectorTest extends AbstractRectorTestCase
+{
+    /**
+     * @dataProvider provideData()
+     */
+    public function test(SmartFileInfo $fileInfo): void
+    {
+        // for PHPStan class reflection
+        require_once __DIR__ . '/Source/MissCaseTypedClass.php';
+
+        $this->doTestFileInfo($fileInfo);
+    }
+
+    public function provideData(): Iterator
+    {
+        return $this->yieldFilesFromDirectory(__DIR__ . '/Fixture');
+    }
+
+    protected function getRectorClass(): string
+    {
+        return FixClassCaseSensitivityNameRector::class;
+    }
+}
diff --git a/rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Fixture/fixture.php.inc b/rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Fixture/fixture.php.inc
new file mode 100644
index 00000000000..acad712f40e
--- /dev/null
+++ b/rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Fixture/fixture.php.inc
@@ -0,0 +1,31 @@
+<?php
+
+namespace Rector\CodeQuality\Tests\Rector\Name\FixClassCaseSensitivityNameRector\Fixture;
+
+use Rector\CodeQuality\Tests\Rector\Name\FixClassCaseSensitivityNameRector\Source\Misscasetypedclass;
+
+final class SomeClass
+{
+    public function run()
+    {
+        $misscasetypedclass = new Misscasetypedclass();
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\CodeQuality\Tests\Rector\Name\FixClassCaseSensitivityNameRector\Fixture;
+
+use Rector\CodeQuality\Tests\Rector\Name\FixClassCaseSensitivityNameRector\Source\MissCaseTypedClass;
+
+final class SomeClass
+{
+    public function run()
+    {
+        $misscasetypedclass = new \Rector\CodeQuality\Tests\Rector\Name\FixClassCaseSensitivityNameRector\Source\MissCaseTypedClass();
+    }
+}
+
+?>
diff --git a/rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Fixture/namespace_and_constants.php.inc b/rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Fixture/namespace_and_constants.php.inc
new file mode 100644
index 00000000000..6cfc044552f
--- /dev/null
+++ b/rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Fixture/namespace_and_constants.php.inc
@@ -0,0 +1,31 @@
+<?php
+
+namespace Rector\CodeQuality\Tests\Rector\Name\FixClassCaseSensitivityNameRector\Fixture;
+
+use Rector\CodeQuality\Tests\Rector\Name\FixClassCaseSensitivityNameRector\Source\MissCaseTypedClass;
+
+final class NamespaceAndConstant
+{
+    public function run()
+    {
+        $fatherSon = MissCaseTypedClass::SOME_CONST;
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\CodeQuality\Tests\Rector\Name\FixClassCaseSensitivityNameRector\Fixture;
+
+use Rector\CodeQuality\Tests\Rector\Name\FixClassCaseSensitivityNameRector\Source\MissCaseTypedClass;
+
+final class NamespaceAndConstant
+{
+    public function run()
+    {
+        $fatherSon = MissCaseTypedClass::SOME_CONST;
+    }
+}
+
+?>
diff --git a/rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Fixture/param_type.php.inc b/rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Fixture/param_type.php.inc
new file mode 100644
index 00000000000..7c43bf34a22
--- /dev/null
+++ b/rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Fixture/param_type.php.inc
@@ -0,0 +1,31 @@
+<?php
+
+namespace Rector\CodeQuality\Tests\Rector\Name\FixClassCaseSensitivityNameRector\Fixture;
+
+use Rector\CodeQuality\Tests\Rector\Name\FixClassCaseSensitivityNameRector\Source\MissCaseTypedClass;
+
+final class ParamType
+{
+    public function run(misscasetypedclass $misscasetypedclass)
+    {
+        return $misscasetypedclass;
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\CodeQuality\Tests\Rector\Name\FixClassCaseSensitivityNameRector\Fixture;
+
+use Rector\CodeQuality\Tests\Rector\Name\FixClassCaseSensitivityNameRector\Source\MissCaseTypedClass;
+
+final class ParamType
+{
+    public function run(\Rector\CodeQuality\Tests\Rector\Name\FixClassCaseSensitivityNameRector\Source\MissCaseTypedClass $misscasetypedclass)
+    {
+        return $misscasetypedclass;
+    }
+}
+
+?>
diff --git a/rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Fixture/skip_self_parent.php.inc b/rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Fixture/skip_self_parent.php.inc
new file mode 100644
index 00000000000..fa83443dcc3
--- /dev/null
+++ b/rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Fixture/skip_self_parent.php.inc
@@ -0,0 +1,11 @@
+<?php
+
+namespace Rector\CodeQuality\Tests\Rector\Name\FixClassCaseSensitivityNameRector\Fixture;
+
+final class SkipSelfParent
+{
+    public function run()
+    {
+        $fatherSon = new self();
+    }
+}
diff --git a/rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Fixture/skip_short_import.php.inc b/rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Fixture/skip_short_import.php.inc
new file mode 100644
index 00000000000..d80fd9c7969
--- /dev/null
+++ b/rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Fixture/skip_short_import.php.inc
@@ -0,0 +1,13 @@
+<?php
+
+namespace Rector\CodeQuality\Tests\Rector\Name\FixClassCaseSensitivityNameRector\Fixture;
+
+use Rector;
+
+final class SkipShortImport
+{
+    public function run()
+    {
+        $misscasetypedclass = new Rector\CodeQuality\Tests\Rector\Name\FixClassCaseSensitivityNameRector\Source\MissCaseTypedClass();
+    }
+}
diff --git a/rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Source/MissCaseTypedClass.php b/rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Source/MissCaseTypedClass.php
new file mode 100644
index 00000000000..5c41d94ba4a
--- /dev/null
+++ b/rules/code-quality/tests/Rector/Name/FixClassCaseSensitivityNameRector/Source/MissCaseTypedClass.php
@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\CodeQuality\Tests\Rector\Name\FixClassCaseSensitivityNameRector\Source;
+
+final class MissCaseTypedClass
+{
+    /**
+     * @var string
+     */
+    public const SOME_CONST = 'some_constant';
+}