Remove unnecessary code for NProcFinder (#93)

src/Finder/NProcFinder.php

@@ -13,10 +13,7 @@
 
 namespace Fidry\CpuCoreCounter\Finder;
 
-use function filter_var;
-use function is_int;
 use function sprintf;
-use const FILTER_VALIDATE_INT;
 
 /**
  * The number of (logical) cores.
@@ -51,14 +48,4 @@ protected function getCommand(): string
     {
         return 'nproc'.($this->all ? ' --all' : '').' 2>&1';
     }
-
-    /**
-     * @return positive-int|null
-     */
-    public static function countCpuCores(string $nproc): ?int
-    {
-        $cpuCount = filter_var($nproc, FILTER_VALIDATE_INT);
-
-        return is_int($cpuCount) && $cpuCount > 0 ? $cpuCount : null;
-    }
 }

tests/Finder/NProcFinderTest.php

@@ -55,7 +55,7 @@ public static function finderProvider(): iterable
     }
 
     /**
-     * @dataProvider nprocProvider
+     * @dataProvider \Fidry\CpuCoreCounter\Test\Finder\ProcOpenBasedFinderTestCase::processResultProvider
      */
     public function test_it_can_count_the_number_of_cpu_cores(
         string $nproc,
@@ -65,50 +65,4 @@ public function test_it_can_count_the_number_of_cpu_cores(
 
         self::assertSame($expected, $actual);
     }
-
-    public static function nprocProvider(): iterable
-    {
-        yield 'empty' => [
-            <<<'EOF'
-
-EOF
-            ,
-            null,
-        ];
-
-        yield 'whitespace' => [
-            <<<'EOF'
-
-EOF
-            ,
-            null,
-        ];
-
-        // $ docker run  --tty --rm --platform linux/amd64 alpine:3.14 nproc --all
-        yield 'example from an alpine Docker image' => [
-            <<<'EOF'
-3
-
-EOF
-            ,
-            3,
-        ];
-        yield 'example with extra spaces' => [
-            <<<'EOF'
- 3 
-
-EOF
-            ,
-            3,
-        ];
-
-        yield 'no processor' => [
-            <<<'EOF'
-0
-
-EOF
-            ,
-            null,
-        ];
-    }
 }