add nested transactions (mysql >= 5.5 only)

2012-09-18 19:08:37 -07:00
parent c62fc187ee
commit d40bc57dde
4 changed files with 148 additions and 5 deletions
--- a/simpletest/TransactionTest_55.php
+++ b/simpletest/TransactionTest_55.php
@@ -0,0 +1,63 @@
+<?
+class TransactionTest_55 extends SimpleTest {
+  function test_1_transactions() {
+    DB::$nested_transactions = true;
+    
+    $depth = DB::startTransaction();
+      $this->assert($depth === 1);
+      DB::query("UPDATE accounts SET age=%i WHERE username=%s", 700, 'Abe');
+      
+      $depth = DB::startTransaction();
+        $this->assert($depth === 2);
+        DB::query("UPDATE accounts SET age=%i WHERE username=%s", 800, 'Abe');
+        
+        $depth = DB::startTransaction();
+          $this->assert($depth === 3);
+          DB::query("UPDATE accounts SET age=%i WHERE username=%s", 500, 'Abe');
+        $depth = DB::commit();
+        
+        $this->assert($depth === 2);
+        
+        $age = DB::queryFirstField("SELECT age FROM accounts WHERE username=%s", 'Abe');
+        $this->assert($age == 500);
+        
+      $depth = DB::rollback();
+      $this->assert($depth === 1);
+      
+      $age = DB::queryFirstField("SELECT age FROM accounts WHERE username=%s", 'Abe');
+      $this->assert($age == 700);
+    
+    $depth = DB::commit();
+    $this->assert($depth === 0);
+    
+    $age = DB::queryFirstField("SELECT age FROM accounts WHERE username=%s", 'Abe');
+    $this->assert($age == 700);
+    
+    
+    DB::$nested_transactions = false;
+  }
+  
+  function test_2_transactions() {
+    DB::$nested_transactions = true;
+    
+    DB::query("UPDATE accounts SET age=%i WHERE username=%s", 600, 'Abe');
+    
+    DB::startTransaction();
+    DB::query("UPDATE accounts SET age=%i WHERE username=%s", 700, 'Abe');
+    DB::startTransaction();
+    DB::query("UPDATE accounts SET age=%i WHERE username=%s", 800, 'Abe');
+    DB::rollback();
+    
+    $age = DB::queryFirstField("SELECT age FROM accounts WHERE username=%s", 'Abe');
+    $this->assert($age == 700);
+    
+    DB::rollback();
+    
+    $age = DB::queryFirstField("SELECT age FROM accounts WHERE username=%s", 'Abe');
+    $this->assert($age == 600);
+    
+    DB::$nested_transactions = false;
+  }
+  
+}
+?>