Add tests [MAILPOET-3157]

tests/integration/Config/EnvTest.php

@@ -3,6 +3,7 @@
 namespace MailPoet\Test\Config;
 
 use MailPoet\Config\Env;
+use MailPoet\WP\Functions as WPFunctions;
 
 class EnvTest extends \MailPoetTest {
   public $version;
@@ -88,6 +89,18 @@ class EnvTest extends \MailPoetTest {
     expect(Env::getDbTimezoneOffset('-5.5'))->equals("-05:30");
   }
 
+  public function testItCanSetCachePathWithAFilter() {
+    $newCachePath = '/tmp/';
+    WPFunctions::get()->addFilter('mailpoet_template_cache_path', function () use ($newCachePath) {
+      return $newCachePath;
+    });
+    Env::init('file', '1.0.0', DB_HOST, DB_USER, DB_PASSWORD, DB_NAME);
+    expect(Env::$cachePath)->equals($newCachePath);
+    WPFunctions::get()->removeAllFilters('mailpoet_template_cache_path');
+    Env::init('file', '1.0.0', DB_HOST, DB_USER, DB_PASSWORD, DB_NAME);
+    expect(Env::$cachePath)->equals(Env::$tempPath . '/cache');
+  }
+
   public function _after() {
     // Restore the original environment
     Env::init($this->file, $this->version, DB_HOST, DB_USER, DB_PASSWORD, DB_NAME);

tests/integration/Config/RendererFactoryTest.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace MailPoet\Config;
+
+use MailPoet\WP\Functions as WPFunctions;
+
+class RendererFactoryTest extends \MailPoetTest {
+  public function testItCanEnableAndDisableCachingWithAFilter() {
+    $rendererFactory = new RendererFactory();
+    WPFunctions::get()->addFilter('mailpoet_template_cache_enabled', function () {
+      return true;
+    });
+    $renderer = $rendererFactory->getRenderer();
+    $result = $renderer->detectCache();
+    expect($result)->notEmpty();
+
+    $rendererFactory = new RendererFactory();
+    WPFunctions::get()->addFilter('mailpoet_template_cache_enabled', function () {
+      return false;
+    });
+    $renderer = $rendererFactory->getRenderer();
+    $result = $renderer->detectCache();
+    expect($result)->equals(false);
+  }
+}