Add phpunit tests

.gitignore

@@ -2,3 +2,4 @@ tmp/
 vendor/
 node_modules/
 .vscode
+tests/.phpunit.result.cache

Sentry.php

@@ -1,5 +1,12 @@
 <?php
 
+/**
+ * Sentry, a Matomo plugin by Digitalist Open Tech
+ *
+ * @link https://github.com/digitalist-se/MatomoPlugin-Sentry
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ */
+
 namespace Piwik\Plugins\Sentry;
 
 use Piwik\Config;

SystemSettings.php

@@ -1,5 +1,12 @@
 <?php
 
+/**
+ * Sentry, a Matomo plugin by Digitalist Open Tech
+ *
+ * @link https://github.com/digitalist-se/MatomoPlugin-Sentry
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ */
+
 namespace Piwik\Plugins\Sentry;
 
 use Piwik\Settings\Setting;
@@ -200,4 +207,4 @@ function (FieldConfig $field) {
             }
         );
     }
-}
+}

TESTS.md

@@ -28,3 +28,32 @@ Run PHP CodeSniffer
 vendor/bin/phpcs --ignore=*/vendor/*,*/node_modules/*,*.js  --standard=PSR2 .
 vendor/bin/phpcs --ignore=*/vendor/*,*/node_modules/*,*.js  --standard=PSR12 .
 ```
+
+## PHPUnit
+
+Go to plugins/Sentry
+
+```bash
+composer install
+````
+
+Got to Matomo web root folder (normally `/var/www/html`).
+
+Set up test environment:
+
+```bash
+./console development:enable
+./console config:set --section=tests --key=http_host --value=web
+./console config:set --section=tests --key=request_uri --value=/
+./console config:set --section=database_tests --key=host --value=db
+./console config:set --section=database_tests --key=username --value=root
+./console config:set --section=database_tests --key=password --value=root
+./console config:set --section=database_tests --key=dbname --value=matomo_test
+./console config:set --section=database_tests --key=tables_prefix --value=""
+```
+
+Run tests:
+
+```bash
+/var/www/html/plugins/Sentry/vendor/bin/phpunit -c plugins/Sentry/tests/phpunit.xml
+```

composer.json

@@ -6,12 +6,16 @@
         "monolog/monolog": "~1.11"
     },
     "require-dev": {
+        "phpunit/phpunit": "9.6.4",
+        "dealerdirect/phpcodesniffer-composer-installer": "^1.0",
+        "pheromone/phpcs-security-audit": "^2.0",
+        "php-webdriver/webdriver": "^1.15",
+        "squizlabs/php_codesniffer": "^3.7",
         "phpstan/phpstan": "^1.10",
         "phpstan/phpstan-deprecation-rules": "^1.1",
-        "phpunit/phpunit": "^10.4",
-        "squizlabs/php_codesniffer": "^3.7",
-        "pheromone/phpcs-security-audit": "^2.0",
-        "slevomat/coding-standard": "^8.14"
+        "slevomat/coding-standard": "^8.8",
+        "spaze/phpstan-disallowed-calls": "^2.12",
+        "psr/container": "1.1.2"
     },
     "config": {
         "allow-plugins": {