From e3aa0ff63a348668a63f2c90a5df7f276f3c4c54 Mon Sep 17 00:00:00 2001
From: UndefinedOffset <echipman@webbuildersgroup.com>
Date: Wed, 3 Jul 2019 10:32:41 -0300
Subject: [PATCH] Added unit tests for config condition if PHP extension is
 loaded

---
 .../php/Core/Manifest/ConfigManifestTest.php  | 17 +++++++++++
 .../mysite/_config/extloadedrules.yml         | 28 +++++++++++++++++++
 2 files changed, 45 insertions(+)
 create mode 100644 tests/php/Core/Manifest/fixtures/configmanifest/mysite/_config/extloadedrules.yml

diff --git a/tests/php/Core/Manifest/ConfigManifestTest.php b/tests/php/Core/Manifest/ConfigManifestTest.php
index d12e54883..b6fda78dd 100644
--- a/tests/php/Core/Manifest/ConfigManifestTest.php
+++ b/tests/php/Core/Manifest/ConfigManifestTest.php
@@ -225,4 +225,21 @@ class ConfigManifestTest extends SapphireTest
             'Fragment is included if both blocks succeed.'
         );
     }
+    
+    public function testExtensionLoaded()
+    {
+        $config = $this->getConfigFixtureValue('ExtensionLoaded');
+
+        $this->assertEquals(
+            'Yes',
+            @$config['SessionExtLoaded'],
+            'Only rule correctly detects loaded PHP extension'
+        );
+
+        $this->assertEquals(
+            'No',
+            @$config['DummyExtLoaded'],
+            'Except rule correctly detects not-loaded PHP extension'
+        );
+    }
 }
diff --git a/tests/php/Core/Manifest/fixtures/configmanifest/mysite/_config/extloadedrules.yml b/tests/php/Core/Manifest/fixtures/configmanifest/mysite/_config/extloadedrules.yml
new file mode 100644
index 000000000..67f6620ef
--- /dev/null
+++ b/tests/php/Core/Manifest/fixtures/configmanifest/mysite/_config/extloadedrules.yml
@@ -0,0 +1,28 @@
+---
+Only:
+  extensionloaded: "session"
+---
+SilverStripe\Core\Tests\Manifest\ConfigManifestTest:
+  ExtensionLoaded:
+    SessionExtLoaded: Yes
+---
+Only:
+  extensionloaded: "silverstripe_ext"
+---
+SilverStripe\Core\Tests\Manifest\ConfigManifestTest:
+  ExtensionLoaded:
+    DummyExtLoaded: Yes
+---
+Except:
+  extensionloaded: "session"
+---
+SilverStripe\Core\Tests\Manifest\ConfigManifestTest:
+  ExtensionLoaded:
+    SessionExtLoaded: No
+---
+Except:
+  extensionloaded: "silverstripe_ext"
+---
+SilverStripe\Core\Tests\Manifest\ConfigManifestTest:
+  ExtensionLoaded:
+    DummyExtLoaded: No