Maintenance: PHPStan updates and coverage

.editorconfig

@@ -0,0 +1,8 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = space

.github/workflows/tests.yml

@@ -59,4 +59,9 @@ jobs:
         run: composer install --prefer-dist --no-progress
 
       - name: PHPUnit
-        run: composer phpunit
+        run: composer phpunit:coverage
+
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}

.gitignore

@@ -1,3 +1,4 @@
 .DS_Store
 /vendor
 .phpunit.result.cache
+coverage.xml

README.md

@@ -2,7 +2,7 @@
 
 > A collection class for working with arrays
 
-[![tests](https://github.com/jjgrainger/Collection/actions/workflows/tests.yml/badge.svg)](https://github.com/jjgrainger/Collection/actions/workflows/tests.yml) [![Latest Stable Version](https://badgen.net/github/release/jjgrainger/Collection/stable)](https://packagist.org/packages/jjgrainger/collection) [![Total Downloads](https://badgen.net/packagist/dt/jjgrainger/Collection)](https://packagist.org/packages/jjgrainger/collection) [![License](https://badgen.net/github/license/jjgrainger/Collection)](https://packagist.org/packages/jjgrainger/collection)
+[![tests](https://github.com/jjgrainger/Collection/actions/workflows/tests.yml/badge.svg)](https://github.com/jjgrainger/Collection/actions/workflows/tests.yml) [![codecov](https://codecov.io/gh/jjgrainger/Collection/graph/badge.svg?token=XMLzVOcLHB)](https://codecov.io/gh/jjgrainger/Collection) [![Latest Stable Version](https://badgen.net/github/release/jjgrainger/Collection/stable)](https://packagist.org/packages/jjgrainger/collection) [![Total Downloads](https://badgen.net/packagist/dt/jjgrainger/Collection)](https://packagist.org/packages/jjgrainger/collection) [![License](https://badgen.net/github/license/jjgrainger/Collection)](https://packagist.org/packages/jjgrainger/collection)
 
 ## Principles
 

composer.json

@@ -25,7 +25,9 @@
     },
     "scripts": {
         "phpcs": "./vendor/bin/phpcs --standard=psr2 src",
+        "phpcbf": "./vendor/bin/phpcbf --standard=psr2 src",
         "phpunit": "./vendor/bin/phpunit",
+        "phpunit:coverage": "./vendor/bin/phpunit --configuration phpunit.xml --coverage-clover=coverage.xml",
         "phpstan": "phpstan analyse src"
     }
 }

phpstan.neon.dist

@@ -1,5 +1,5 @@
 parameters:
-    level: 0
+    level: 5
     paths:
         - src
     ignoreErrors:

phpunit.xml

@@ -1,11 +1,18 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit bootstrap="vendor/autoload.php"
-         colors="true"
-         verbose="true"
-         stopOnFailure="false">
+<phpunit
+    bootstrap="vendor/autoload.php"
+    colors="true"
+    stopOnFailure="false"
+>
     <testsuites>
-        <testsuite name="Test suite">
+        <testsuite name="Collection Test Suite">
             <directory>tests</directory>
         </testsuite>
     </testsuites>
+
+    <source>
+        <include>
+            <directory suffix=".php">./src</directory>
+        </include>
+    </source>
 </phpunit>