[rule] add duplicated scenario names

README.md

@@ -108,6 +108,24 @@ This rule spots definitions that are no longer needed, so you can  remove them.
 
 <br>
 
+### 4. Find duplicate scenario names (`duplicate-scenario-names`)
+
+In Behat, each scenario should have a unique name to ensure clarity and avoid confusion during test execution and later debugging. This rule identifies scenarios that share the same name within your feature files:
+
+```yaml
+Feature: User Authentication
+
+    Scenario: User logs in successfully
+        When the user enters valid credentials
+        Then login should be successful
+
+    Scenario: User logs in successfully
+        When the user enters invalid credentials
+        Then an error message should be displayed
+```
+
+<br>
+
 *Protip*: Add this command to your CI, to get instant feedback of any changes in every pull-request.
 
 That's it!

src/Analyzer/DuplicatedScenarioNamesAnalyzer.php

@@ -0,0 +1,39 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Behastan\Analyzer;
+
+use Entropy\Attributes\RelatedTest;
+use Entropy\Utils\Regex;
+use Rector\Behastan\Tests\Analyzer\DuplicatedScenarioNamesAnalyzer\DuplicatedScenarioNamesAnalyzerTest;
+use Symfony\Component\Finder\SplFileInfo;
+
+#[RelatedTest(DuplicatedScenarioNamesAnalyzerTest::class)]
+final class DuplicatedScenarioNamesAnalyzer
+{
+    private const string SCENARIO_NAME_REGEX = '#\s+Scenario:\s+(?<name>.*?)\n#';
+
+    /**
+     * @param SplFileInfo[] $featureFiles
+     * @return array<string, string[]>
+     */
+    public function analyze(array $featureFiles): array
+    {
+        $scenarioNamesToFiles = [];
+
+        foreach ($featureFiles as $featureFile) {
+            // match Scenario: "<name>"
+            $matches = Regex::matchAll($featureFile->getContents(), self::SCENARIO_NAME_REGEX);
+
+            foreach ($matches as $match) {
+                $scenarioName = $match['name'];
+                $scenarioNamesToFiles[$scenarioName][] = $featureFile->getRealPath();
+            }
+        }
+
+        return array_filter($scenarioNamesToFiles, function (array $files): bool {
+            return count($files) > 1;
+        });
+    }
+}

src/Analyzer/UnusedDefinitionsAnalyzer.php

@@ -28,12 +28,11 @@ public function __construct(
     }
 
     /**
-     * @param SplFileInfo[] $contextFiles
      * @param SplFileInfo[] $featureFiles
      *
      * @return AbstractPattern[]
      */
-    public function analyse(array $contextFiles, array $featureFiles, PatternCollection $patternCollection): array
+    public function analyse(array $featureFiles, PatternCollection $patternCollection): array
     {
         foreach ($featureFiles as $featureFile) {
             Assert::endsWith($featureFile->getFilename(), '.feature');

src/Command/AnalyzeCommand.php

@@ -43,8 +43,9 @@ public function run(?string $projectDirectory = null, array $skip = []): int
         $contextFileInfos = BehatMetafilesFinder::findContextFiles([$projectDirectory]);
         if ($contextFileInfos === []) {
             $this->outputPrinter->redBackground(sprintf(
-                'No *.Context files found in "%s". Please provide correct directory',
-                $projectDirectory
+                'No *.Context files found in "%s".%sPlease provide correct directory',
+                $projectDirectory,
+                PHP_EOL
             ));
 
             return ExitCode::ERROR;
@@ -53,8 +54,9 @@ public function run(?string $projectDirectory = null, array $skip = []): int
         $featureFileInfos = BehatMetafilesFinder::findFeatureFiles([$projectDirectory]);
         if ($featureFileInfos === []) {
             $this->outputPrinter->redBackground(sprintf(
-                'No *.feature files found in "%s". Please provide correct directory',
-                $projectDirectory
+                'No *.feature files found in "%s".%sPlease provide correct directory',
+                $projectDirectory,
+                PHP_EOL
             ));
 
             return ExitCode::ERROR;
@@ -79,7 +81,7 @@ public function run(?string $projectDirectory = null, array $skip = []): int
         /** @var RuleError[] $allRuleErrors */
         $allRuleErrors = [];
         foreach ($this->rulesRegistry->all() as $rule) {
-            if ($skip !== [] && in_array($rule->getIdentifier(), $skip, true)) {
+            if (in_array($rule->getIdentifier(), $skip, true)) {
                 $this->outputPrinter->writeln(sprintf('<fg=cyan>Skipping "%s" rule</>', $rule->getIdentifier()));
                 $this->outputPrinter->newLine();
                 continue;

src/Enum/RuleIdentifier.php

@@ -8,6 +8,8 @@ final class RuleIdentifier
 {
     public const string DUPLICATED_CONTENTS = 'duplicated-contents';
 
+    public const string DUPLICATED_SCENARIO_NAMES = 'duplicated-scenario-names';
+
     public const string DUPLICATED_PATTERNS = 'duplicated-patterns';
 
     public const string UNUSED_DEFINITIONS = 'unused-definitions';

src/Rule/DuplicatedScenarioNamesRule.php

@@ -0,0 +1,53 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Behastan\Rule;
+
+use Rector\Behastan\Analyzer\DuplicatedScenarioNamesAnalyzer;
+use Rector\Behastan\Contract\RuleInterface;
+use Rector\Behastan\Enum\RuleIdentifier;
+use Rector\Behastan\ValueObject\PatternCollection;
+use Rector\Behastan\ValueObject\RuleError;
+use Symfony\Component\Finder\SplFileInfo;
+
+final readonly class DuplicatedScenarioNamesRule implements RuleInterface
+{
+    public function __construct(
+        private DuplicatedScenarioNamesAnalyzer $duplicatedScenarioNamesAnalyzer
+    ) {
+    }
+
+    /**
+     * @param SplFileInfo[] $contextFiles
+     * @param SplFileInfo[] $featureFiles
+     *
+     * @return RuleError[]
+     */
+    public function process(
+        array $contextFiles,
+        array $featureFiles,
+        PatternCollection $patternCollection,
+        string $projectDirectory
+    ): array {
+        $scenarioNamesToFiles = $this->duplicatedScenarioNamesAnalyzer->analyze($featureFiles);
+
+        $ruleErrors = [];
+        foreach ($scenarioNamesToFiles as $scenarioName => $files) {
+            // it can be used multiple times in single file
+            $uniqueFiles = array_unique($files);
+            $uniqueCount = count($uniqueFiles);
+
+            $errorMessage = sprintf('Scenario name "%s" is duplicated %d-times', $scenarioName, $uniqueCount);
+
+            $ruleErrors[] = new RuleError($errorMessage, $uniqueFiles, $this->getIdentifier());
+        }
+
+        return $ruleErrors;
+    }
+
+    public function getIdentifier(): string
+    {
+        return RuleIdentifier::DUPLICATED_SCENARIO_NAMES;
+    }
+}

src/Rule/UnusedContextDefinitionsRule.php

@@ -29,7 +29,7 @@ public function process(
         PatternCollection $patternCollection,
         string $projectDirectory
     ): array {
-        $unusedPatterns = $this->unusedDefinitionsAnalyzer->analyse($contextFiles, $featureFiles, $patternCollection);
+        $unusedPatterns = $this->unusedDefinitionsAnalyzer->analyse($featureFiles, $patternCollection);
 
         $ruleErrors = [];
 

src/RulesRegistry.php

@@ -17,7 +17,7 @@ public function __construct(
     ) {
         Assert::allObject($rules);
         Assert::allIsInstanceOf($rules, RuleInterface::class);
-        Assert::greaterThan(count($rules), 2);
+        Assert::greaterThan(count($rules), 3);
     }
 
     /**

tests/Analyzer/DuplicatedScenarioNamesAnalyzer/DuplicatedScenarioNamesAnalyzerTest.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Behastan\Tests\Analyzer\DuplicatedScenarioNamesAnalyzer;
+
+use Rector\Behastan\Analyzer\DuplicatedScenarioNamesAnalyzer;
+use Rector\Behastan\Finder\BehatMetafilesFinder;
+use Rector\Behastan\Tests\AbstractTestCase;
+
+final class DuplicatedScenarioNamesAnalyzerTest extends AbstractTestCase
+{
+    private DuplicatedScenarioNamesAnalyzer $duplicatedScenarioNamesAnalyzer;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $this->duplicatedScenarioNamesAnalyzer = $this->make(DuplicatedScenarioNamesAnalyzer::class);
+    }
+
+    public function test(): void
+    {
+        $featureFiles = BehatMetafilesFinder::findFeatureFiles([__DIR__ . '/Fixture']);
+        $this->assertCount(2, $featureFiles);
+
+        $duplicatedScenarioNamesToFiles = $this->duplicatedScenarioNamesAnalyzer->analyze($featureFiles);
+
+        $this->assertCount(1, $duplicatedScenarioNamesToFiles);
+        $this->assertArrayHasKey('Same scenario name', $duplicatedScenarioNamesToFiles);
+
+        $givenFiles = $duplicatedScenarioNamesToFiles['Same scenario name'];
+
+        $this->assertSame([__DIR__ . '/Fixture/some.feature', __DIR__ . '/Fixture/another.feature'], $givenFiles);
+    }
+}

tests/Analyzer/DuplicatedScenarioNamesAnalyzer/Fixture/another.feature

@@ -0,0 +1,3 @@
+Feature: Some feature
+
+    Scenario: Same scenario name

tests/Analyzer/DuplicatedScenarioNamesAnalyzer/Fixture/some.feature

@@ -0,0 +1,3 @@
+Feature: Another feature
+
+    Scenario: Same scenario name

tests/Analyzer/UnusedDefinitionsAnalyzer/UnusedDefinitionsAnalyzerTest.php

@@ -34,11 +34,7 @@ public function testEverythingUsed(): void
 
         $patternCollection = $this->definitionPatternsExtractor->extract($contextFiles);
 
-        $unusedDefinitions = $this->unusedDefinitionsAnalyzer->analyse(
-            $contextFiles,
-            $featureFiles,
-            $patternCollection
-        );
+        $unusedDefinitions = $this->unusedDefinitionsAnalyzer->analyse($featureFiles, $patternCollection);
 
         $this->assertCount(0, $unusedDefinitions);
     }
@@ -53,7 +49,7 @@ public function testFoundPattern(): void
 
         $patternCollection = $this->definitionPatternsExtractor->extract($contextFiles);
 
-        $unusedPatterns = $this->unusedDefinitionsAnalyzer->analyse($contextFiles, $featureFiles, $patternCollection);
+        $unusedPatterns = $this->unusedDefinitionsAnalyzer->analyse($featureFiles, $patternCollection);
 
         $this->assertCount(1, $unusedPatterns);
         $this->assertContainsOnlyInstancesOf(AbstractPattern::class, $unusedPatterns);