Fix warnings when upgrading from legacy SebSauvage version

Fixes #1040

3 files changed, 18 insertions, 3 deletions

diff --git a/application/config/ConfigPhp.php b/application/config/ConfigPhp.php
index 2f66e8e0..8add8bcd 100644
--- a/application/config/ConfigPhp.php
+++ b/application/config/ConfigPhp.php
@@ -83,10 +83,10 @@ class ConfigPhp implements ConfigIO
 
         $out = array();
         foreach (self::$ROOT_KEYS as $key) {
-            $out[$key] = $GLOBALS[$key];
+            $out[$key] = isset($GLOBALS[$key]) ? $GLOBALS[$key] : '';
         }
-        $out['config'] = $GLOBALS['config'];
-        $out['plugins'] = !empty($GLOBALS['plugins']) ? $GLOBALS['plugins'] : array();
+        $out['config'] = isset($GLOBALS['config']) ? $GLOBALS['config'] : [];
+        $out['plugins'] = isset($GLOBALS['plugins']) ? $GLOBALS['plugins'] : [];
         return $out;
     }
 
diff --git a/tests/config/ConfigPhpTest.php b/tests/config/ConfigPhpTest.php
index abfbb305..be23eea1 100644
--- a/tests/config/ConfigPhpTest.php
+++ b/tests/config/ConfigPhpTest.php
@@ -37,6 +37,20 @@ class ConfigPhpTest extends \PHPUnit_Framework_TestCase
     }
 
     /**
+     * Read an empty existent config file -> array with blank default values.
+     */
+    public function testReadEmpty()
+    {
+        $dataFile = 'tests/utils/config/emptyConfigPhp.php';
+        $conf = $this->configIO->read($dataFile);
+        $this->assertEmpty($conf['login']);
+        $this->assertEmpty($conf['title']);
+        $this->assertEmpty($conf['titleLink']);
+        $this->assertEmpty($conf['config']);
+        $this->assertEmpty($conf['plugins']);
+    }
+
+    /**
      * Write a new config file.
      */
     public function testWriteNew()
diff --git a/tests/utils/config/emptyConfigPhp.php b/tests/utils/config/emptyConfigPhp.php
new file mode 100644
index 00000000..b3d9bbc7
--- /dev/null
+++ b/tests/utils/config/emptyConfigPhp.php
@@ -0,0 +1 @@
+<?php