trailing_comma_in_multiline following PER-CS2.0 spec

Author: realodix

src/Config.php

@@ -47,7 +47,7 @@ public static function create($ruleSet = null)
     {
         if (! $ruleSet instanceof RuleSetInterface && ! is_string($ruleSet) && $ruleSet !== null) {
             throw new \InvalidArgumentException(
-                'Ruleset must be of type Relax RuleSetInterface, string or null'
+                'Ruleset must be of type Relax RuleSetInterface, string or null',
             );
         }
 

src/RuleSet/Sets/Relax.php

@@ -71,6 +71,7 @@ public function mainRules(): array
                 ],
             ],
             'space_after_semicolon' => ['remove_in_empty_for_expressions' => true],
+            'trailing_comma_in_multiline' => ['after_heredoc' => true, 'elements' => ['arguments', 'arrays', 'match', 'parameters']],
             'unary_operator_spaces' => ['only_dec_inc' => true],
             'whitespace_after_comma_in_array' => ['ensure_single_space' => true],
             'phpdoc_align' => ['tags' => ['method', 'param', 'property', 'throws', 'type', 'var']],

tests/Fixtures/Ruleset/relax_actual.php

@@ -234,9 +234,9 @@ public function control_structure__no_useless_else()
     public function control_structure__switch_case_semicolon_to_colon()
     {
         switch (true) {
-            case 1;
+            case 1:
                 break;
-            default;
+            default:
                 break;
         }
     }
@@ -710,6 +710,41 @@ public function array_notation__whitespace_after_comma_in_array()
         $sample = [1,2, 3,  4,    5];
     }
 
+    public function control_structure__trailing_comma_in_multiline()
+    {
+        // array
+        [
+            1,
+            2
+        ];
+
+        // arguments
+        foo(
+            1,
+            2
+        );
+
+        // parameters
+        bar(
+            1,
+            2
+        );
+
+        // match
+        match (true) {
+            1 => '1',
+            2 => '2'
+        };
+
+        // after_heredoc
+        [
+            'foo',
+            <<<'EOD'
+                bar
+            EOD
+        ];
+    }
+
     public function function_notation__function_declaration()
     {
         // closure_fn_spacing

tests/Fixtures/Ruleset/relax_expected.php

@@ -22,7 +22,7 @@ class relax_actual extends Config
     public function __invoke(array $type_declaration_spaces) {}
 
     public function __construct(
-        ?RuleSetInterface $ruleSet
+        ?RuleSetInterface $ruleSet,
     ) {}
 
     /**
@@ -648,7 +648,7 @@ public function whitespace__no_extra_blank_lines_2()
 
         // parenthesis_brace_block
         $foo = is_string(
-            'foo'
+            'foo',
         );
 
         // square_brace_block
@@ -688,6 +688,41 @@ public function array_notation__whitespace_after_comma_in_array()
         $sample = [1, 2, 3, 4, 5];
     }
 
+    public function control_structure__trailing_comma_in_multiline()
+    {
+        // array
+        [
+            1,
+            2,
+        ];
+
+        // arguments
+        foo(
+            1,
+            2,
+        );
+
+        // parameters
+        bar(
+            1,
+            2,
+        );
+
+        // match
+        match (true) {
+            1 => '1',
+            2 => '2',
+        };
+
+        // after_heredoc
+        [
+            'foo',
+            <<<'EOD'
+                bar
+            EOD,
+        ];
+    }
+
     public function function_notation__function_declaration()
     {
         // closure_fn_spacing
@@ -709,19 +744,19 @@ function sample($a = 10,
         function sample2(
             $a = 10,
             $b = 20,
-            $c = 30
+            $c = 30,
         ) {}
         sample2(
             1,
-            2
+            2,
         );
 
         // 'after_heredoc' => true
         sample(
             <<<'EOD'
         foo
         EOD,
-            'bar'
+            'bar',
         );
 
         // Default value

tests/Integration/IntegrationTestCase.php

@@ -53,7 +53,7 @@ protected function runFixer(string $name): bool
         $config = "tests/Integration/Config/config_{$name}.php";
         $result = $application->run(
             new StringInput("fix --config={$config} --quiet"),
-            new \Symfony\Component\Console\Output\BufferedOutput
+            new \Symfony\Component\Console\Output\BufferedOutput,
         );
 
         return $result === 0;

tests/Unit/ConfigTest.php

@@ -19,7 +19,7 @@ public function testSetRuleset(): void
         $localRules = ['foo' => 'bar'];
         $this->assertSame(
             count($ruleset->rules()) + count($localRules),
-            count($config->setRules($localRules)->getRules())
+            count($config->setRules($localRules)->getRules()),
         );
     }
 
@@ -34,7 +34,7 @@ public function testSetRulesetWithStringInput(): void
         $localRules = ['foo' => 'bar'];
         $this->assertSame(
             count($ruleset->rules()) + count($localRules),
-            count($config->setRules($localRules)->getRules())
+            count($config->setRules($localRules)->getRules()),
         );
     }
 
@@ -54,8 +54,8 @@ public function testAddLocalRules(): void
             count($rules1) + count($rules2),
             count(
                 Config::create(new RuleSetFile)
-                    ->setRules($rules2)->getRules()
-            )
+                    ->setRules($rules2)->getRules(),
+            ),
         );
     }
 

tests/Unit/ValidRulesTest.php

@@ -42,7 +42,7 @@ public function testThatThereIsNoDeprecatedFixerInRuleSet($setName, $ruleName):
         $this->assertNotInstanceOf(
             \PhpCsFixer\Fixer\DeprecatedFixerInterface::class,
             $fixer,
-            \sprintf('RuleSet "%s" contains deprecated rule "%s".', $setName, $ruleName)
+            \sprintf('RuleSet "%s" contains deprecated rule "%s".', $setName, $ruleName),
         );
     }