- Adds unit tests for Cron Trigger class

lib/Config/Initializer.php

@@ -192,8 +192,11 @@ class Initializer {
   }
 
   function setupCronTrigger() {
-    $cron_trigger = new CronTrigger();
-    $cron_trigger->init();
+    // setup cron trigger only outside of cli environment
+    if(php_sapi_name() !== 'cli') {
+      $cron_trigger = new CronTrigger();
+      $cron_trigger->init();
+    }
   }
 
   function setupImages() {

lib/Cron/CronTrigger.php

@@ -20,8 +20,6 @@ class CronTrigger {
 
   function init() {
     try {
-      // configure cron trigger only outside of cli environment
-      if(php_sapi_name() === 'cli') return;
       $trigger_class = __NAMESPACE__ . '\Triggers\\' . $this->current_method;
       return (class_exists($trigger_class)) ?
         $trigger_class::run() :

tests/unit/Cron/CronTriggerMockMethod.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace MailPoet\Cron\Triggers;
+
+class MockMethod {
+  static function run() {
+    return true;
+  }
+}

tests/unit/Cron/CronTriggerMockMethodWithException.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace MailPoet\Cron\Triggers;
+
+class MockMethodWithException {
+  static function run() {
+    throw new \Exception('Exception thrown');
+  }
+}

tests/unit/Cron/CronTriggerTest.php

@@ -0,0 +1,61 @@
+<?php
+
+use MailPoet\Cron\CronTrigger;
+use MailPoet\Models\Setting;
+
+require_once('CronTriggerMockMethod.php');
+require_once('CronTriggerMockMethodWithException.php');
+
+class CronTriggerTest extends MailPoetTest {
+  function _before() {
+    $this->cron_trigger = new CronTrigger();
+  }
+
+  function testItCanDefineConstants() {
+    expect(CronTrigger::DEFAULT_METHOD)->equals('WordPress');
+    expect(CronTrigger::SETTING_NAME)->equals('cron_trigger');
+    expect(CronTrigger::$available_methods)->equals(
+      array(
+        'mailpoet' => 'MailPoet',
+        'wordpress' => 'WordPress'
+      )
+    );
+  }
+
+  function testItCanConstruct() {
+    expect($this->cron_trigger->current_method)
+      ->equals(CronTrigger::DEFAULT_METHOD);
+  }
+
+  function testItCanGetCurrentMethod() {
+    Setting::setValue(CronTrigger::SETTING_NAME, array('method' => 'MockMethod'));
+    expect($this->cron_trigger->getCurrentMethod())->equals('MockMethod');
+  }
+
+  function testItCanReturnAvailableMethods() {
+    expect($this->cron_trigger->getAvailableMethods())
+      ->equals(CronTrigger::$available_methods);
+  }
+
+  function testItCanInitializeCronTriggerMethod() {
+    $cron_trigger = $this->cron_trigger;
+    $cron_trigger->current_method = 'MockMethod';
+    expect($cron_trigger->init())->true();
+  }
+
+  function testItReturnsFalseWhenItCantInitializeCronTriggerMethod() {
+    $cron_trigger = $this->cron_trigger;
+    $cron_trigger->current_method = 'MockInvalidMethod';
+    expect($cron_trigger->init())->false();
+  }
+
+  function testItIgnoresExceptionsThrownFromCronTriggerMethods() {
+    $cron_trigger = $this->cron_trigger;
+    $cron_trigger->current_method = 'MockMethodWithException';
+    expect($cron_trigger->init())->null();
+  }
+
+  function _after() {
+    ORM::raw_execute('TRUNCATE ' . Setting::$_table);
+  }
+}