ScenarioBranchingFileLoader - Code Metrics - Inspection of "Moved variant branching to Gherkin loading phase" - ciandt-dev/behat-placeholders-extension - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 04d873...1e92a2 )

by Bruno

created 2017-03-26 14:59 UTC

ScenarioBranchingFileLoader A

↳ Parent: Project

Complexity

Total Complexity

Size/Duplication

Total Lines	92
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	7

Importance

Changes

Metric	Value
wmc	9
lcom	1
cbo	7
dl	0
loc	92
rs	10
c	0
b	0
f	0

4 Methods

Rating	Name	Size	Complexity
A	parseFeature()	9	1
A	branchFeatureVariants()	20	2
A	getBranchedScenario()	15	2
B	branchScenarioVariants()	27	4

<?php

namespace Ciandt\Behat\PlaceholdersExtension\Gherkin;

use Behat\Gherkin\Cache\CacheInterface;
use Behat\Gherkin\Loader\GherkinFileLoader;
use Behat\Gherkin\Node\FeatureNode;
use Behat\Gherkin\Node\OutlineNode;
use Behat\Gherkin\Node\ScenarioInterface;
use Behat\Gherkin\Node\ScenarioNode;
use Behat\Gherkin\Parser;
use Ciandt\Behat\PlaceholdersExtension\Utils\PlaceholderUtils;
use phpDocumentor\Reflection\Types\Boolean;

/**
 * Gherkin *.feature files loader.
 * Modified to branch Scenarios per variant.
 *
 * @author Bruno Wowk <[email protected]>
 */
class ScenarioBranchingFileLoader extends GherkinFileLoader
{
   
    /**
     * Parses feature at provided absolute path.
     *
     * @param string $path Feature path
     *
     * @return FeatureNode
     */
    protected function parseFeature($path)
    {
        $filename = $this->findRelativePath($path);
        $content = file_get_contents($path);
        $feature = $this->parser->parse($content, $filename);
        $feature = $this->branchFeatureVariants($feature);
/** @return stdClass|null */
function mayReturnNull() { }

function doesNotAcceptNull(stdClass $x) { }

// With potential error.
function withoutCheck() {
    $x = mayReturnNull();
    doesNotAcceptNull($x); // Potential error here.
}

// Safe - Alternative 1
function withCheck1() {
    $x = mayReturnNull();
    if ( ! $x instanceof stdClass) {
        throw new \LogicException('$x must be defined.');
    }
    doesNotAcceptNull($x);
}

// Safe - Alternative 2
function withCheck2() {
    $x = mayReturnNull();
    if ($x instanceof stdClass) {
        doesNotAcceptNull($x);
    }
}
                
        return $feature;
    }
    
    /**
     * Branches Scenarios/Outlines with variant tags for each variant.
     *
     * @param FeatureNode $feature Parsed feature
     *
     * @return FeatureNode
     */
    private function branchFeatureVariants(FeatureNode $feature)
    {
        $scenarios = array();
        
        foreach ($feature->getScenarios() as $scenario) {
            $scenarios = array_merge($scenarios, $this->getBranchedScenario($scenario, $feature));
        }

        return new FeatureNode(
            $feature->getTitle(),
            $feature->getDescription(),
            $feature->getTags(),
            $feature->getBackground(),
            $scenarios,
            $feature->getKeyword(),
            $feature->getLanguage(),
            $feature->getFile(),
            $feature->getLine()
        );
    }
    
    private function getBranchedScenario(ScenarioInterface $scenarioLike, FeatureNode $feature)
    {
        $scenarioTags = $scenarioLike->getTags();
        $featureTags = $feature->getTags();
        $tags = array_merge($scenarioTags, $featureTags);
        
        $variants = PlaceholderUtils::filterVariantTags($tags, false);
        
        if (count($variants) <= 1) {
            return array($scenarioLike);
        } else {
            return $this->branchScenarioVariants($scenarioLike, $variants);
        }
        
    }
    
    private function branchScenarioVariants(ScenarioInterface $scenarioLike, $variants)
    {
        $scenarios = array();
        $nonVariantTags = PlaceholderUtils::filterVariantTags($scenarioLike->getTags(), true);
        foreach ($variants as $variant) {
            $tags = array_merge($nonVariantTags, array($variant));
            if ($scenarioLike instanceof ScenarioNode) {
                $scenarios[] = new ScenarioNode(
                    $scenarioLike->getTitle(),
                    $tags,
                    $scenarioLike->getSteps(),
                    $scenarioLike->getKeyword(),
                    $scenarioLike->getLine()
                );
            } elseif ($scenarioLike instanceof OutlineNode) {
                $scenarios[] = new OutlineNode(
                    $scenarioLike->getTitle(),
                    $tags,
                    $scenarioLike->getSteps(),
                    $scenarioLike->getExampleTable(),
                    $scenarioLike->getKeyword(),
                    $scenarioLike->getLine()
                );
            }
        }
        return $scenarios;
    }
}


1			<?php
2
3			namespace Ciandt\Behat\PlaceholdersExtension\Gherkin;
4
5			use Behat\Gherkin\Cache\CacheInterface;
6			use Behat\Gherkin\Loader\GherkinFileLoader;
7			use Behat\Gherkin\Node\FeatureNode;
8			use Behat\Gherkin\Node\OutlineNode;
9			use Behat\Gherkin\Node\ScenarioInterface;
10			use Behat\Gherkin\Node\ScenarioNode;
11			use Behat\Gherkin\Parser;
12			use Ciandt\Behat\PlaceholdersExtension\Utils\PlaceholderUtils;
13			use phpDocumentor\Reflection\Types\Boolean;
14
15			/**
16			* Gherkin *.feature files loader.
17			* Modified to branch Scenarios per variant.
18			*
19			* @author Bruno Wowk <[email protected]>
20			*/
21			class ScenarioBranchingFileLoader extends GherkinFileLoader
22			{
23
24			/**
25			* Parses feature at provided absolute path.
26			*
27			* @param string $path Feature path
28			*
29			* @return FeatureNode
30			*/
31			protected function parseFeature($path)
32			{
33			$filename = $this->findRelativePath($path);
34			$content = file_get_contents($path);
35			$feature = $this->parser->parse($content, $filename);
36			$feature = $this->branchFeatureVariants($feature);
			0 ignored issues – show Bug introduced 2017-03-26 15:02 UTC by Report Bug Copy Issue Report It seems like `$feature` can be `null`; however, `branchFeatureVariants()` does not accept `null`, maybe add an additional type check? Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: /** @return stdClass\|null */ function mayReturnNull() { } function doesNotAcceptNull(stdClass $x) { } // With potential error. function withoutCheck() { $x = mayReturnNull(); doesNotAcceptNull($x); // Potential error here. } // Safe - Alternative 1 function withCheck1() { $x = mayReturnNull(); if ( ! $x instanceof stdClass) { throw new \LogicException('$x must be defined.'); } doesNotAcceptNull($x); } // Safe - Alternative 2 function withCheck2() { $x = mayReturnNull(); if ($x instanceof stdClass) { doesNotAcceptNull($x); } } Loading history...
37
38			return $feature;
39			}
40
41			/**
42			* Branches Scenarios/Outlines with variant tags for each variant.
43			*
44			* @param FeatureNode $feature Parsed feature
45			*
46			* @return FeatureNode
47			*/
48			private function branchFeatureVariants(FeatureNode $feature)
49			{
50			$scenarios = array();
51
52			foreach ($feature->getScenarios() as $scenario) {
53			$scenarios = array_merge($scenarios, $this->getBranchedScenario($scenario, $feature));
54			}
55
56			return new FeatureNode(
57			$feature->getTitle(),
58			$feature->getDescription(),
59			$feature->getTags(),
60			$feature->getBackground(),
61			$scenarios,
62			$feature->getKeyword(),
63			$feature->getLanguage(),
64			$feature->getFile(),
65			$feature->getLine()
66			);
67			}
68
69			private function getBranchedScenario(ScenarioInterface $scenarioLike, FeatureNode $feature)
70			{
71			$scenarioTags = $scenarioLike->getTags();
72			$featureTags = $feature->getTags();
73			$tags = array_merge($scenarioTags, $featureTags);
74
75			$variants = PlaceholderUtils::filterVariantTags($tags, false);
76
77			if (count($variants) <= 1) {
78			return array($scenarioLike);
79			} else {
80			return $this->branchScenarioVariants($scenarioLike, $variants);
81			}
82
83			}
84
85			private function branchScenarioVariants(ScenarioInterface $scenarioLike, $variants)
86			{
87			$scenarios = array();
88			$nonVariantTags = PlaceholderUtils::filterVariantTags($scenarioLike->getTags(), true);
89			foreach ($variants as $variant) {
90			$tags = array_merge($nonVariantTags, array($variant));
91			if ($scenarioLike instanceof ScenarioNode) {
92			$scenarios[] = new ScenarioNode(
93			$scenarioLike->getTitle(),
94			$tags,
95			$scenarioLike->getSteps(),
96			$scenarioLike->getKeyword(),
97			$scenarioLike->getLine()
98			);
99			} elseif ($scenarioLike instanceof OutlineNode) {
100			$scenarios[] = new OutlineNode(
101			$scenarioLike->getTitle(),
102			$tags,
103			$scenarioLike->getSteps(),
104			$scenarioLike->getExampleTable(),
105			$scenarioLike->getKeyword(),
106			$scenarioLike->getLine()
107			);
108			}
109			}
110			return $scenarios;
111			}
112			}
113

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Push — master ( 04d873...1e92a2 )

ScenarioBranchingFileLoader A

Complexity

Size/Duplication

Coupling/Cohesion

Importance

4 Methods

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