Provide is-active and is-enabled

Author: icanhazstring

src/Unit/AbstractUnit.php

@@ -129,4 +129,42 @@ public function enable(bool $raise = false): bool
     {
         return $this->execute(__FUNCTION__, $raise);
     }
+
+    /**
+     * @inheritdoc
+     */
+    public function isActive(bool $raise = false): bool
+    {
+        $process = $this->processBuilder
+            ->setArguments(['is-active', $this->getName()])
+            ->getProcess();
+
+        $process->run();
+
+        if (!$process->isSuccessful() && $raise) {
+            $exceptionCall = CommandFailedException::class . '::from' . ucfirst($this->type);
+            throw call_user_func_array($exceptionCall, [$this->getName(), 'is-active']);
+        }
+
+        return trim($process->getOutput()) === 'active';
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function isEnabled(bool $raise = false): bool
+    {
+        $process = $this->processBuilder
+            ->setArguments(['is-enabled', $this->getName()])
+            ->getProcess();
+
+        $process->run();
+
+        if (!$process->isSuccessful() && $raise) {
+            $exceptionCall = CommandFailedException::class . '::from' . ucfirst($this->type);
+            throw call_user_func_array($exceptionCall, [$this->getName(), 'is-enabled']);
+        }
+
+        return trim($process->getOutput()) === 'enabled';
+    }
 }

src/Unit/UnitInterface.php

@@ -34,6 +34,7 @@ public function getInstanceName(): ?string;
      * Start command
      *
      * @param bool $raise Raise exception on failure instead of process result
+     *
      * @return bool
      */
     public function start(bool $raise = false): bool;
@@ -42,6 +43,7 @@ public function start(bool $raise = false): bool;
      * Stop command
      *
      * @param bool $raise Raise exception on failure instead of process result
+     *
      * @return bool
      */
     public function stop(bool $raise = false): bool;
@@ -50,6 +52,7 @@ public function stop(bool $raise = false): bool;
      * Disable command
      *
      * @param bool $raise Raise exception on failure instead of process result
+     *
      * @return bool
      */
     public function disable(bool $raise = false): bool;
@@ -58,6 +61,7 @@ public function disable(bool $raise = false): bool;
      * Reload command
      *
      * @param bool $raise Raise exception on failure instead of process result
+     *
      * @return bool
      */
     public function reload(bool $raise = false): bool;
@@ -66,6 +70,7 @@ public function reload(bool $raise = false): bool;
      * Restart command
      *
      * @param bool $raise Raise exception on failure instead of process result
+     *
      * @return bool
      */
     public function restart(bool $raise = false): bool;
@@ -74,7 +79,26 @@ public function restart(bool $raise = false): bool;
      * Enable command
      *
      * @param bool $raise Raise exception on failure instead of process result
+     *
      * @return bool
      */
     public function enable(bool $raise = false): bool;
+
+    /**
+     * Check whether unit is active
+     *
+     * @param bool $raise Raise exception on failure instead of process result
+     *
+     * @return bool
+     */
+    public function isActive(bool $raise = false): bool;
+
+    /**
+     * Check whether unit is enabled
+     *
+     * @param bool $raise Raise exception on failure instead of process result
+     *
+     * @return bool
+     */
+    public function isEnabled(bool $raise = false): bool;
 }

tests/Unit/UnitTest.php

@@ -10,11 +10,11 @@
 
 class UnitTest extends TestCase
 {
-    protected function getSystemCtlMock(bool $processState = true): SystemCtl
+    protected function getSystemCtlMock(bool $processState = true, string $processOutput = ''): SystemCtl
     {
         $process = $this->getMockBuilder(Process::class)
             ->disableOriginalConstructor()
-            ->setMethods(['isSuccessful'])
+            ->setMethods(['isSuccessful', 'getOutput'])
             ->getMock();
 
         $processBuilder = $this->getMockBuilder(ProcessBuilder::class)
@@ -31,6 +31,7 @@ protected function getSystemCtlMock(bool $processState = true): SystemCtl
 
         $systemctl->method('getProcessBuilder')->willReturn($processBuilder);
         $process->method('isSuccessful')->willReturn($processState);
+        $process->method('getOutput')->willReturn($processOutput);
 
         return $systemctl;
     }
@@ -67,4 +68,30 @@ public function testProcessShouldReturnExitCode()
         $this->assertFalse($service->restart());
         $this->assertFalse($service->reload());
     }
+
+    public function testIsEnabled()
+    {
+        $systemctl = $this->getSystemCtlMock(true, 'enabled');
+        $service = $systemctl->getService('TestService');
+
+        $this->assertTrue($service->isEnabled());
+
+        $systemctl = $this->getSystemCtlMock(true, 'disabled');
+        $service = $systemctl->getService('TestService');
+
+        $this->assertFalse($service->isEnabled());
+    }
+
+    public function testIsActive()
+    {
+        $systemctl = $this->getSystemCtlMock(true, 'active');
+        $service = $systemctl->getService('TestService');
+
+        $this->assertTrue($service->isActive());
+
+        $systemctl = $this->getSystemCtlMock(true, 'inactive');
+        $service = $systemctl->getService('TestService');
+
+        $this->assertFalse($service->isActive());
+    }
 }