Update CS and static files.

Author: drupol

.gitattributes

@@ -0,0 +1,10 @@
+/spec export-ignore
+.editorconfig export-ignore
+.gitattributes export-ignore
+.gitignore export-ignore
+.scrutinizer.yml export-ignore
+.travis.yml export-ignore
+phpunit.xml.dist export-ignore
+infection.json.dist export-ignore
+grumphp.yml.dist export-ignore
+phpspec.yml.dist export-ignore

.github/settings.yml

@@ -0,0 +1,49 @@
+# https://github.com/probot/settings
+
+branches:
+    - name: master
+      protection:
+          enforce_admins: false
+          required_pull_request_reviews:
+              dismiss_stale_reviews: true
+              require_code_owner_reviews: true
+              required_approving_review_count: 1
+          required_status_checks:
+              contexts:
+                  -  "Grumphp"
+              strict: false
+          restrictions: null
+
+labels:
+    - name: bug
+      color: ee0701
+
+    - name: dependencies
+      color: 0366d6
+
+    - name: enhancement
+      color: 0e8a16
+
+    - name: question
+      color: cc317c
+
+    - name: security
+      color: ee0701
+
+    - name: stale
+      color: eeeeee
+
+repository:
+    allow_merge_commit: true
+    allow_rebase_merge: false
+    allow_squash_merge: false
+    default_branch: master
+    description: "An implementation of tree data structure"
+    topics: tree,data structure,binary tree
+    has_downloads: true
+    has_issues: true
+    has_pages: false
+    has_projects: false
+    has_wiki: false
+    name: phptree
+    private: false

.github/workflows/continuous-integration.yml

@@ -0,0 +1,48 @@
+# https://help.github.com/en/categories/automating-your-workflow-with-github-actions
+
+on:
+  - pull_request
+  - push
+
+name: "Continuous Integration"
+
+jobs:
+  grumphp:
+    name: "Grumphp"
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        php-binary:
+          - php7.1
+          - php7.2
+          - php7.3
+
+        dependencies:
+          - lowest
+          - highest
+
+    steps:
+      - name: "Checkout"
+        uses: actions/checkout@master
+        with:
+            fetch-depth: 1
+
+      - name: "Composer install"
+        run: ${{ matrix.php-binary }} $(which composer) install --no-interaction --no-progress --no-suggest
+
+      - name: "Composer install lowest dependencies"
+        if: matrix.dependencies == 'lowest'
+        run: ${{ matrix.php-binary }} $(which composer) update --no-interaction --no-progress --no-suggest --prefer-lowest
+
+      - name: "Install Graphviz"
+        run: sudo apt-get install graphviz
+
+      - name: "Run Grumphp"
+        run: ${{ matrix.php-binary }} vendor/bin/grumphp run
+        env:
+            STRYKER_DASHBOARD_API_KEY: ${{ secrets.STRYKER_DASHBOARD_API_KEY }}
+
+      - name: "Scrutinizer"
+        run: wget https://scrutinizer-ci.com/ocular.phar && php ocular.phar code-coverage:upload --format=php-clover build/logs/clover.xml

.travis.yml

@@ -1,7 +1,7 @@
 [![Latest Stable Version](https://img.shields.io/packagist/v/drupol/phptree.svg?style=flat-square)](https://packagist.org/packages/drupol/phptree)
  [![GitHub stars](https://img.shields.io/github/stars/drupol/phptree.svg?style=flat-square)](https://packagist.org/packages/drupol/phptree)
  [![Total Downloads](https://img.shields.io/packagist/dt/drupol/phptree.svg?style=flat-square)](https://packagist.org/packages/drupol/phptree)
- [![Build Status](https://img.shields.io/travis/drupol/phptree/master.svg?style=flat-square)](https://travis-ci.org/drupol/phptree)
+ [![GitHub Workflow Status](https://img.shields.io/github/workflow/status/drupol/phptree/Continuous%20Integration?style=flat-square)](https://github.com/drupol/phptree/actions)
  [![Scrutinizer code quality](https://img.shields.io/scrutinizer/quality/g/drupol/phptree/master.svg?style=flat-square)](https://scrutinizer-ci.com/g/drupol/phptree/?branch=master)
  [![Code Coverage](https://img.shields.io/scrutinizer/coverage/g/drupol/phptree/master.svg?style=flat-square)](https://scrutinizer-ci.com/g/drupol/phptree/?branch=master)
  [![Mutation testing badge](https://badge.stryker-mutator.io/github.com/drupol/phptree/master)](https://stryker-mutator.github.io)
@@ -40,8 +40,6 @@ Modifier:
 
 ## Documentation
 
-API documentation is automatically generated with [APIGen](https://github.com/ApiGen/ApiGen) and available at [this address](https://not-a-number.io/phptree/).
-
 Blog post: [https://not-a-number.io/2018/phptree-a-fast-tree-implementation](https://not-a-number.io/2018/phptree-a-fast-tree-implementation)
 
 ## Requirements
@@ -105,7 +103,7 @@ Launcher::open($imagePath);
 
 ## Code quality, tests and benchmarks
 
-Every time changes are introduced into the library, [Travis CI](https://travis-ci.org/drupol/phptree/builds) run the tests and the benchmarks.
+Every time changes are introduced into the library, [Github](https://github.com/drupol/phptree/actions) run the tests and the benchmarks.
 
 The library has tests written with [PHPSpec](http://www.phpspec.net/).
 Feel free to check them out in the `spec` directory. Run `composer phpspec` to trigger the tests.

README.md

@@ -19,16 +19,16 @@
         "php": ">= 7.1"
     },
     "require-dev": {
-        "drupol/launcher": "^2.2",
-        "drupol/php-conventions": "^1",
+        "drupol/launcher": "^2.2.2",
+        "drupol/php-conventions": "^1.6.7",
         "drupol/phpspec-annotation": "^1",
-        "drupol/phpspec-code-coverage": "^4 || ^5",
+        "friends-of-phpspec/phpspec-code-coverage": "^4 || ^5",
         "graphp/graphviz": "^0.2",
-        "infection/infection": "^0.13",
-        "phpbench/phpbench": "^0.16",
-        "phpspec/phpspec": "^4 || ^5",
+        "infection/infection": "^0.13.6",
+        "phpbench/phpbench": "^0.16.10",
+        "phpspec/phpspec": "^5 || ^6 || ^7",
         "phptaskman/changelog": "^1.0",
-        "scrutinizer/ocular": "^1"
+        "sebastian/comparator": "^3"
     },
     "config": {
         "sort-packages": true

apigen.yml

@@ -14,6 +14,5 @@
             "branch": "master"
         }
     },
-    "testFramework":"phpspec",
-    "tmpDir": "build"
+    "testFramework":"phpspec"
 }

composer.json

@@ -7,6 +7,7 @@
 use drupol\phptree\Exporter\SimpleArray;
 use drupol\phptree\Node\Node;
 use drupol\phptree\Node\ValueNode;
+use InvalidArgumentException;
 use PhpSpec\ObjectBehavior;
 
 class SimpleArraySpec extends ObjectBehavior
@@ -87,7 +88,7 @@ public function it_can_throw_an_error_when_tree_is_not_a_valuenode(): void
         $tree->add(...array_values($nodes));
 
         $this
-            ->shouldThrow(\InvalidArgumentException::class)
+            ->shouldThrow(InvalidArgumentException::class)
             ->during('export', [$tree]);
     }
 

infection.json.dist

@@ -7,6 +7,7 @@
 use drupol\phptree\Importer\Text;
 use drupol\phptree\Node\ValueNode;
 use drupol\phptree\Node\ValueNodeInterface;
+use InvalidArgumentException;
 use PhpSpec\ObjectBehavior;
 
 class TextSpec extends ObjectBehavior
@@ -50,7 +51,7 @@ public function it_can_throw_an_error_when_cannot_import(): void
         $string = 'invalid string';
 
         $this
-            ->shouldThrow(\InvalidArgumentException::class)
+            ->shouldThrow(InvalidArgumentException::class)
             ->during('import', [$string]);
     }
 

spec/drupol/phptree/Exporter/SimpleArraySpec.php

@@ -4,6 +4,7 @@
 
 namespace spec\drupol\phptree\Node;
 
+use ArrayObject;
 use drupol\phptree\Node\AttributeNode;
 use PhpSpec\ObjectBehavior;
 
@@ -15,7 +16,7 @@ public function it_can_set_and_get_the_attributes(): void
             'foo' => 'bar',
         ];
 
-        $attributes = new \ArrayObject($attributes);
+        $attributes = new ArrayObject($attributes);
 
         $this
             ->setAttributes($attributes)

spec/drupol/phptree/Importer/TextSpec.php

@@ -10,6 +10,7 @@
 use drupol\phptree\Traverser\BreadthFirst;
 use drupol\phptree\Traverser\PreOrder;
 use drupol\phptree\Traverser\TraverserInterface;
+use Exception;
 
 class NaryNodeSpec extends NodeObjectBehavior
 {
@@ -62,7 +63,7 @@ public function it_can_have_children(): void
         $this->degree()->shouldReturn(2);
         $this->count()->shouldReturn(4);
 
-        $this->shouldThrow(\Exception::class)
+        $this->shouldThrow(Exception::class)
             ->during('add', [new Node()]);
     }
 
@@ -74,7 +75,7 @@ public function it_can_throw_an_error_when_capacity_is_invalid(): void
             ->capacity()
             ->shouldBeNull();
 
-        $this->shouldThrow(\Exception::class)
+        $this->shouldThrow(Exception::class)
             ->during('add', [new NaryNode()]);
     }
 

spec/drupol/phptree/Node/AttributeNodeSpec.php

@@ -4,9 +4,12 @@
 
 namespace spec\drupol\phptree\Node;
 
+use ArrayIterator;
 use drupol\phptree\Node\Node;
 use drupol\phptree\Node\NodeInterface;
 use drupol\phptree\Node\ValueNode;
+use Generator;
+use InvalidArgumentException;
 
 class NodeSpec extends NodeObjectBehavior
 {
@@ -101,7 +104,7 @@ public function it_can_delete(): void
             ->shouldReturn(null);
 
         $this
-            ->shouldThrow(\InvalidArgumentException::class)
+            ->shouldThrow(InvalidArgumentException::class)
             ->during('delete', [$this]);
     }
 
@@ -123,7 +126,7 @@ public function it_can_get_its_ancestors(): void
     {
         $this
             ->getAncestors()
-            ->shouldYield(new \ArrayIterator([]));
+            ->shouldYield(new ArrayIterator([]));
 
         $root = new Node();
         $level1 = new Node($root);
@@ -133,26 +136,26 @@ public function it_can_get_its_ancestors(): void
 
         $this
             ->getAncestors()
-            ->shouldYield(new \ArrayIterator([$level2, $level1, $root]));
+            ->shouldYield(new ArrayIterator([$level2, $level1, $root]));
     }
 
     public function it_can_get_its_children(): void
     {
         $this
             ->children()
-            ->shouldBeAnInstanceOf(\Generator::class);
+            ->shouldBeAnInstanceOf(Generator::class);
 
         $this
             ->children()
-            ->shouldYield(new \ArrayIterator([]));
+            ->shouldYield(new ArrayIterator([]));
 
         $node = new Node();
 
         $this
             ->add($node)
             ->add($node)
             ->children()
-            ->shouldYield(new \ArrayIterator([$node, $node]));
+            ->shouldYield(new ArrayIterator([$node, $node]));
     }
 
     public function it_can_get_its_depth(): void
@@ -220,7 +223,7 @@ public function it_can_get_its_sibblings(): void
     {
         $this
             ->getSibblings()
-            ->shouldYield(new \ArrayIterator([]));
+            ->shouldYield(new ArrayIterator([]));
 
         $node1 = new Node();
         $node2 = new Node();
@@ -230,7 +233,7 @@ public function it_can_get_its_sibblings(): void
 
         $this
             ->getSibblings()
-            ->shouldYield(new \ArrayIterator([$node2, $node3]));
+            ->shouldYield(new ArrayIterator([$node2, $node3]));
     }
 
     public function it_can_get_the_size(): void
@@ -297,12 +300,12 @@ public function it_can_use_withChildren(): void
         $this
             ->withChildren($child)
             ->children()
-            ->shouldYield(new \ArrayIterator([$child]));
+            ->shouldYield(new ArrayIterator([$child]));
 
         $this
             ->withChildren()
             ->children()
-            ->shouldYield(new \ArrayIterator([]));
+            ->shouldYield(new ArrayIterator([]));
     }
 
     public function it_has_a_degree(): void