Fix PHPStan errors (#158)

* Fix PHPStan errors

* Fix blackbox exporter tests

Author: LKaemmerling

.github/workflows/blackbox.yml

@@ -29,13 +29,13 @@ jobs:
         run: composer install --prefer-dist --no-interaction --no-suggest
 
       - name: Compose Blackbox environment
-        run: docker-compose up -d
+        run: docker compose up -d
       - name: Run Blackbox with APC
-        run: docker-compose run phpunit env ADAPTER=apc vendor/bin/phpunit tests/Test/
+        run: docker compose run phpunit env ADAPTER=apc vendor/bin/phpunit tests/Test/
       - name: Run Blackbox with APCng
-        run: docker-compose run phpunit env ADAPTER=apcng vendor/bin/phpunit tests/Test/
+        run: docker compose run phpunit env ADAPTER=apcng vendor/bin/phpunit tests/Test/
       - name: Run Blackbox with Redis
-        run: docker-compose run phpunit env ADAPTER=redis vendor/bin/phpunit tests/Test/
+        run: docker compose run phpunit env ADAPTER=redis vendor/bin/phpunit tests/Test/
 
 
 

tests/Test/Prometheus/AbstractCounterTest.php

@@ -196,7 +196,6 @@ public function isShouldAcceptAnySequenceOfBasicLatinCharactersForLabelValues($v
         self::assertContainsOnlyInstancesOf(MetricFamilySamples::class, $metrics);
 
         $metric = reset($metrics);
-        self::assertInstanceOf(MetricFamilySamples::class, $metric);
         $samples = $metric->getSamples();
         self::assertContainsOnlyInstancesOf(Sample::class, $samples);
 

tests/Test/Prometheus/AbstractGaugeTest.php

@@ -330,7 +330,6 @@ public function isShouldAcceptAnySequenceOfBasicLatinCharactersForLabelValues($v
         self::assertContainsOnlyInstancesOf(MetricFamilySamples::class, $metrics);
 
         $metric = reset($metrics);
-        self::assertInstanceOf(MetricFamilySamples::class, $metric);
         $samples = $metric->getSamples();
         self::assertContainsOnlyInstancesOf(Sample::class, $samples);
 

tests/Test/Prometheus/AbstractHistogramTest.php

@@ -484,7 +484,6 @@ public function isShouldAcceptAnySequenceOfBasicLatinCharactersForLabelValues($v
         self::assertContainsOnlyInstancesOf(MetricFamilySamples::class, $metrics);
 
         $metric = reset($metrics);
-        self::assertInstanceOf(MetricFamilySamples::class, $metric);
         $samples = $metric->getSamples();
         self::assertContainsOnlyInstancesOf(Sample::class, $samples);
 

tests/Test/Prometheus/AbstractSummaryTest.php

@@ -580,7 +580,6 @@ public function isShouldAcceptAnySequenceOfBasicLatinCharactersForLabelValues($v
         self::assertContainsOnlyInstancesOf(MetricFamilySamples::class, $metrics);
 
         $metric = reset($metrics);
-        self::assertInstanceOf(MetricFamilySamples::class, $metric);
         $samples = $metric->getSamples();
         self::assertContainsOnlyInstancesOf(Sample::class, $samples);