Set complexity attribute on the <metrics> element under <project>

Author: sebastianbergmann

src/Node/AbstractNode.php

@@ -178,6 +178,24 @@ public function numberOfTestedFunctionsAndMethods(): int
         return $this->numberOfTestedFunctions() + $this->numberOfTestedMethods();
     }
 
+    /**
+     * @return non-negative-int
+     */
+    public function cyclomaticComplexity(): int
+    {
+        $ccn = 0;
+
+        foreach ($this->classesAndTraits() as $classLike) {
+            $ccn += $classLike['ccn'];
+        }
+
+        foreach ($this->functions() as $function) {
+            $ccn += $function['ccn'];
+        }
+
+        return $ccn;
+    }
+
     /**
      * @return array<string, ProcessedClassType>
      */

src/Report/Clover.php

@@ -206,6 +206,7 @@ public function process(CodeCoverage $coverage, ?string $target = null, ?string
         $xmlMetrics->setAttribute('classes', (string) $report->numberOfClassesAndTraits());
         $xmlMetrics->setAttribute('methods', (string) $report->numberOfMethods());
         $xmlMetrics->setAttribute('coveredmethods', (string) $report->numberOfTestedMethods());
+        $xmlMetrics->setAttribute('complexity', (string) $report->cyclomaticComplexity());
         $xmlMetrics->setAttribute('conditionals', (string) $report->numberOfExecutableBranches());
         $xmlMetrics->setAttribute('coveredconditionals', (string) $report->numberOfExecutedBranches());
         $xmlMetrics->setAttribute('statements', (string) $report->numberOfExecutableLines());

tests/_files/BankAccount-clover-line.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <coverage clover="%s" generated="%i">
   <project timestamp="%i" name="BankAccount">
-    <metrics files="1" loc="35" ncloc="35" classes="1" methods="4" coveredmethods="3" conditionals="0" coveredconditionals="0" statements="8" coveredstatements="5" elements="12" coveredelements="8"/>
+    <metrics files="1" loc="35" ncloc="35" classes="1" methods="4" coveredmethods="3" complexity="5" conditionals="0" coveredconditionals="0" statements="8" coveredstatements="5" elements="12" coveredelements="8"/>
     <package name="global">
       <file name="BankAccount.php" path="%s%eBankAccount.php">
         <metrics loc="35" ncloc="35" classes="1" methods="4" coveredmethods="3" conditionals="0" coveredconditionals="0" statements="8" coveredstatements="5" elements="12" coveredelements="8"/>

tests/_files/BankAccount-clover-path.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <coverage clover="%s" generated="%i">
   <project timestamp="%i" name="BankAccount">
-    <metrics files="1" loc="35" ncloc="35" classes="1" methods="4" coveredmethods="3" conditionals="7" coveredconditionals="3" statements="8" coveredstatements="5" elements="19" coveredelements="11"/>
+    <metrics files="1" loc="35" ncloc="35" classes="1" methods="4" coveredmethods="3" complexity="5" conditionals="7" coveredconditionals="3" statements="8" coveredstatements="5" elements="19" coveredelements="11"/>
     <package name="global">
       <file name="BankAccount.php" path="%s%eBankAccount.php">
         <metrics loc="35" ncloc="35" classes="1" methods="4" coveredmethods="3" conditionals="7" coveredconditionals="3" statements="8" coveredstatements="5" elements="19" coveredelements="11"/>

tests/_files/class-with-anonymous-function-clover.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <coverage clover="%s" generated="%i">
   <project timestamp="%i">
-    <metrics files="1" loc="20" ncloc="19" classes="1" methods="1" coveredmethods="1" conditionals="0" coveredconditionals="0" statements="8" coveredstatements="8" elements="9" coveredelements="9"/>
+    <metrics files="1" loc="20" ncloc="19" classes="1" methods="1" coveredmethods="1" complexity="1" conditionals="0" coveredconditionals="0" statements="8" coveredstatements="8" elements="9" coveredelements="9"/>
     <package name="global">
       <file name="source_with_class_and_anonymous_function.php" path="%s%esource_with_class_and_anonymous_function.php">
         <metrics loc="20" ncloc="19" classes="1" methods="1" coveredmethods="1" conditionals="0" coveredconditionals="0" statements="8" coveredstatements="8" elements="9" coveredelements="9"/>

tests/_files/ignored-lines-clover.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <coverage clover="%s" generated="%i">
   <project timestamp="%i">
-    <metrics files="1" loc="43" ncloc="32" classes="0" methods="0" coveredmethods="0" conditionals="0" coveredconditionals="0" statements="1" coveredstatements="1" elements="1" coveredelements="1"/>
+    <metrics files="1" loc="43" ncloc="32" classes="0" methods="0" coveredmethods="0" complexity="3" conditionals="0" coveredconditionals="0" statements="1" coveredstatements="1" elements="1" coveredelements="1"/>
     <package name="global">
       <file name="source_with_ignore.php" path="%s%esource_with_ignore.php">
         <metrics loc="43" ncloc="32" classes="0" methods="0" coveredmethods="0" conditionals="0" coveredconditionals="0" statements="1" coveredstatements="1" elements="1" coveredelements="1"/>