public function MonitoringSystemMemoryPluginTest::testSystemMemorySensorPlugin in Monitoring 8

Tests the system memory sensor plugin.

File

tests/src/Kernel/MonitoringSystemMemoryPluginTest.php, line 15

Class

MonitoringSystemMemoryPluginTest

Kernel tests for system memory sensor plugin.

Namespace

Drupal\Tests\monitoring\Kernel

Code

public function testSystemMemorySensorPlugin() {

  // Sets data that will represent the memory information.
  $data = "MemTotal:  20000 kB\nMemAvailable:  10000 kB";
  \Drupal::state()
    ->set('monitoring.test_meminfo', $data);
  $sensor_manager = monitoring_sensor_manager();
  $sensor_config = $sensor_manager
    ->getSensorConfigByName('system_memory');
  $sensor_config
    ->set('status', TRUE);
  $sensor_config
    ->save();

  // Run sensor and assert message and verbose output.
  $sensor_result = $this
    ->runSensor('system_memory');
  $this
    ->assertTrue($sensor_result
    ->isOk());
  $this
    ->assertEquals($sensor_result
    ->getMessage(), '50 % free memory');
  $this
    ->assertEquals($sensor_result
    ->getVerboseOutput()['memory_info']['#rows'][0]['type'], 'MemTotal');
  $this
    ->assertEquals($sensor_result
    ->getVerboseOutput()['memory_info']['#rows'][0]['memory'], '20000 kB');

  // Sets incorrect data that should trigger an error message to the sensor.
  $data = 'No memory information provided.';
  \Drupal::state()
    ->set('monitoring.test_meminfo', $data);
  $sensor_result = $this
    ->runSensor('system_memory');
  $this
    ->assertTrue($sensor_result
    ->isCritical());
  $this
    ->assertEquals($sensor_result
    ->getMessage(), 'This sensor is not supported by your system. It is based on memory information from /proc/meminfo, only provided by UNIX-like systems.');

  // Sets NULL data that should trigger an error message to the sensor.
  \Drupal::state()
    ->set('monitoring.test_meminfo', '');
  $sensor_result = $this
    ->runSensor('system_memory');
  $this
    ->assertTrue($sensor_result
    ->isCritical());
  $this
    ->assertEquals($sensor_result
    ->getMessage(), 'This sensor is not supported by your system. It is based on memory information from /proc/meminfo, only provided by UNIX-like systems.');
  $this
    ->assertNull($sensor_result
    ->getVerboseOutput());
}