From d3e2cbd140c14bb4fec57f974310e7dad6f28794 Mon Sep 17 00:00:00 2001
From: Seamus Lee <seamuslee001@gmail.com>
Date: Sun, 27 Oct 2019 14:02:40 +1100
Subject: [PATCH] [NFC] Add in debugging to try and resolve E2E Cache
 intermitant test failures

---
 .../phpunit/E2E/Cache/ArrayDecoratorTest.php  | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/tests/phpunit/E2E/Cache/ArrayDecoratorTest.php b/tests/phpunit/E2E/Cache/ArrayDecoratorTest.php
index 1dec75a00c..ae77d54a28 100644
--- a/tests/phpunit/E2E/Cache/ArrayDecoratorTest.php
+++ b/tests/phpunit/E2E/Cache/ArrayDecoratorTest.php
@@ -80,4 +80,26 @@ class E2E_Cache_ArrayDecoratorTest extends E2E_Cache_CacheTestCase {
     $this->assertEquals('dfl-1', $this->a->get('foo', 'dfl-1'));
   }
 
+  public function testSetTtl() {
+    if (isset($this->skippedTests[__FUNCTION__])) {
+      $this->markTestSkipped($this->skippedTests[__FUNCTION__]);
+    }
+    $result = $this->cache->set('key1', 'value', 1);
+    $this->assertTrue($result, 'set() must return true if success');
+    $this->assertEquals('value', $this->cache->get('key1'));
+    sleep(2);
+    $this->assertNull($this->cache->get('key1'), 'Value must expire after ttl.');
+
+    $this->cache->set('key2', 'value', new \DateInterval('PT1S'));
+    $key2Value = $this->cache->get('key2');
+    if ($key2Value !== 'value') {
+      // dump out contents of cache.
+      var_dump($this->cache);
+      print_r(date('u') . 'Current UNIX timestamp');
+    }
+    $this->assertEquals('value', $key2Value);
+    sleep(2);
+    $this->assertNull($this->cache->get('key2'), 'Value must expire after ttl.');
+  }
+
 }
-- 
2.25.1