pdepend - allow using coverage report for more precise stats

Closes #124

Author: zdenekdrahos

.phpqa.yml

@@ -24,6 +24,9 @@ php-cs-fixer:
 phpmd:
     standard: app/phpmd.xml
 
+pdepend:
+    coverageReport: build/coverage-clover.xml
+
 phpcpd:
     minLines: 5
     minTokens: 70

README.md

@@ -229,6 +229,7 @@ Tool | Settings | Default Value | Your value
 [phpmetrics.git](https://github.com/EdgedesignCZ/phpqa/pull/122) | phpmetrics v2 analyses based on Git History   | `null` | Boolean value or path to git binary
 [phpmetrics.junit](https://github.com/EdgedesignCZ/phpqa/pull/125) | phpmetrics v2 evaluates metrics according to JUnit logs | `null` | Path to JUnit xml
 [phpmetrics.composer](https://github.com/EdgedesignCZ/phpqa/pull/123) | phpmetrics v2 analyzes composer dependencies | `null` | Path to composer.json when the file is not included in `analyzedDirs`
+[pdepend.coverageReport](https://github.com/EdgedesignCZ/phpqa/pull/124) | Load Clover style CodeCoverage report | `null` | Path to report produced by PHPUnit's `--coverage-clover` option
 [phpmd](http://phpmd.org/documentation/creating-a-ruleset.html) | Ruleset | [Edgedesign's standard](/app/phpmd.xml) | Path to ruleset
 [phpcpd](https://github.com/sebastianbergmann/phpcpd/blob/de9056615da6c1230f3294384055fa7d722c38fa/src/CLI/Command.php#L136) | Minimum number of lines/tokens for copy-paste detection | 5 lines, 70 tokens |
 [phpstan](https://github.com/phpstan/phpstan#configuration) | Level, config file | Level 0, `%currentWorkingDirectory%/phpstan.neon` | Take a look at [phpqa config in tests/.travis](/tests/.travis/) |

src/Tools/Analyzer/Pdepend.php

@@ -12,15 +12,20 @@ class Pdepend extends \Edge\QA\Tools\Tool
 
     public function __invoke()
     {
-        return array(
+        $args = array(
             'jdepend-xml' => $this->options->toFile('pdepend-jdepend.xml'),
             'summary-xml' => $this->options->toFile('pdepend-summary.xml'),
             'dependency-xml' => $this->options->toFile('pdepend-dependencies.xml'),
             'jdepend-chart' => $this->options->toFile('pdepend-jdepend.svg'),
             'overview-pyramid' => $this->options->toFile('pdepend-pyramid.svg'),
             'suffix' => $this->config->csv('extensions'),
-            $this->options->ignore->pdepend(),
-            $this->options->getAnalyzedDirs(',')
+            $this->options->ignore->pdepend()
         );
+        $coverageReport = $this->config->value('pdepend.coverageReport');
+        if ($coverageReport) {
+            $args['coverage-report'] = $coverageReport;
+        }
+        $args[] = $this->options->getAnalyzedDirs(',');
+        return $args;
     }
 }

tests/Config/ConfigTest.php

@@ -33,6 +33,7 @@ public function testLoadDefaultConfig()
         assertThat($config->value('phpmetrics.junit'), is(nullValue()));
         assertThat($config->value('phpmetrics.composer'), is(nullValue()));
         assertThat($config->value('phpmetrics.git'), identicalTo(false));
+        assertThat($config->value('pdepend.coverageReport'), is(nullValue()));
     }
 
     public function testBuildAbsolutePath()