Use getPhpBinary() helper

Author: clue

tests/AbstractProcessTest.php

@@ -67,7 +67,7 @@ public function testGetTermSignalWhenRunning($process)
 
     public function testProcessWithDefaultCwdAndEnv()
     {
-        $cmd = $this->cmd('echo getcwd(), PHP_EOL, count($_SERVER), PHP_EOL;');
+        $cmd = $this->getPhpBinary() . ' -r ' . escapeshellarg('echo getcwd(), PHP_EOL, count($_SERVER), PHP_EOL;');
 
         $loop = $this->createLoop();
         $process = new Process($cmd);
@@ -95,7 +95,7 @@ public function testProcessWithDefaultCwdAndEnv()
 
     public function testProcessWithCwd()
     {
-        $cmd = $this->cmd('echo getcwd(), PHP_EOL;');
+        $cmd = $this->getPhpBinary() . ' -r ' . escapeshellarg('echo getcwd(), PHP_EOL;');
 
         $loop = $this->createLoop();
         $process = new Process($cmd, '/');
@@ -120,7 +120,7 @@ public function testProcessWithEnv()
             $this->markTestSkipped('Cannot execute PHP processes with custom environments on Travis CI.');
         }
 
-        $cmd = $this->cmd('echo getenv("foo"), PHP_EOL;');
+        $cmd = $this->getPhpBinary() . ' -r ' . escapeshellarg('echo getenv("foo"), PHP_EOL;');
 
         $loop = $this->createLoop();
         $process = new Process($cmd, null, array('foo' => 'bar'));
@@ -327,8 +327,8 @@ public function assertSoon(\Closure $callback, $timeout = 20000, $interval = 200
         }
     }
 
-    private function cmd($code)
+    private function getPhpBinary()
     {
-        return (defined('PHP_BINARY') ? PHP_BINARY : 'php') . ' -r ' . escapeshellarg($code);
+        return defined('PHP_BINARY') ? PHP_BINARY : 'php';
     }
 }