add tests for exec and url_encode

Author: lovasoa

tests/index.rs

@@ -83,6 +83,7 @@ pub fn test_config() -> AppConfig {
         "database_url": "{}",
         "database_connection_retries": 2,
         "database_connection_acquire_timeout_seconds": 1,
+        "allow_exec": true,
         "listen_on": "111.111.111.111:1"
     }}"#,
         db_url

tests/test_exec.sql

@@ -0,0 +1 @@
+select 'text' as component, sqlpage.exec('echo', $thisisnull, 'It', 'works', '!') as contents;

tests/test_url_encode.sql

@@ -0,0 +1,6 @@
+select 'text' as component, 
+    CASE sqlpage.url_encode('/')
+        WHEN '%2F' THEN 'It works !'
+        ELSE 'It failed !'
+    END
+    AS contents;