Fixed #2 : Added assumeCfgVar()

MehrAlsNix · May 23, 2015 · 86cc4ad · 86cc4ad
1 parent 41a43c7
commit 86cc4ad
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Showing 3 changed files with 32 additions and 0 deletions.
diff --git a/src/Assumptions.php b/src/Assumptions.php
@@ -119,3 +119,15 @@ function assumeFreeDiskSpace(...$args)
         call_user_func_array(['MehrAlsNix\Assumptions\Assume', 'assumeFreeDiskSpace'], $args);
     }
 }
+
+if (!function_exists('assumeCfgVar')) {
+    /**
+     * Make an assumption and throw
+     * {@link MehrAlsNix\Assumptions\AssumptionViolatedException} if it fails.
+     * @param ...$args
+     */
+    function assumeCfgVar(...$args)
+    {
+        call_user_func_array(['MehrAlsNix\Assumptions\Assume', 'assumeCfgVar'], $args);
+    }
+}
diff --git a/src/Extensions/System.php b/src/Extensions/System.php
@@ -62,4 +62,13 @@ public static function assumeFreeDiskSpace($directory, $available = null,  $mess
             assumeThat(disk_free_space($directory), is(greaterThanOrEqualTo($available)), $message);
         }
     }
+
+    /**
+     * @param string $name
+     * @param string $message
+     */
+    public static function assumeCfgVar($name,  $message = '')
+    {
+        assumeThat(get_cfg_var($name), is(not(false)), $message);
+    }
 }
diff --git a/tests/AssumeTest.php b/tests/AssumeTest.php
@@ -123,4 +123,15 @@ public function assumeFreeDiskSpace()
         assumeFreeDiskSpace(__DIR__);
         assumeFreeDiskSpace(__DIR__, 9999999999999999.0, 'No free disc space.');
     }
+
+    /**
+     * @test
+     * @expectedException \MehrAlsNix\Assumptions\AssumptionViolatedException
+     * @expectedExceptionMessage Not found in php.ini
+     */
+    public function assumeCfgVar()
+    {
+        assumeCfgVar('memory_limit');
+        assumeCfgVar('does_not_exist', 'Not found in php.ini');
+    }
 }