fix minor db bugs, add preliminary unit testing

simpletest/test.php

@@ -0,0 +1,60 @@
+#!/usr/bin/php
+<?
+class SimpleTest {
+  protected function assert($boolean) {
+    if (! $boolean) $this->fail();
+  }
+
+  protected function fail($msg = '') {
+    echo "FAILURE! $msg\n";
+    debug_print_backtrace();
+    die;
+  }
+  
+  public static function __listfiles($dir, $regex, $type='files', $rec = false) {
+    $A = array();
+    
+    if (! $dir_handler = @opendir($dir)) return $A;
+    
+    while (false !== ($filename = @readdir($dir_handler))) {
+      if ($filename == '.' || $filename == '..') continue;
+      if ($rec && is_dir("$dir/$filename")) $A = array_merge($A, File::listfiles("$dir/$filename", $regex, $type, true));
+      
+      if (! preg_match($regex, $filename)) continue;
+      if ($type == 'files' && ! is_file("$dir/$filename")) continue;
+      if ($type == 'dirs' && ! is_dir("$dir/$filename")) continue;
+      if ($type == 'symlinks' && ! is_link("$dir/$filename")) continue;
+      
+      $A[] = "$dir/$filename";
+    }
+    return $A;
+  }
+
+  
+
+}
+
+$files = SimpleTest::__listfiles(__DIR__, '/^.*php$/i');
+
+$classes_to_test = array();
+foreach ($files as $fullpath) {
+  $filename = basename($fullpath);
+  if ($fullpath == __FILE__) continue;
+  
+  require_once($fullpath);
+  $classes_to_test[] = str_replace('.php', '', $filename);
+}
+
+foreach ($classes_to_test as $class) {
+  $object = new $class();
+  
+  foreach (get_class_methods($object) as $method) {
+    if (substr($method, 0, 2) == '__') continue;
+    echo "Running $class::$method..\n";
+    $object->$method();
+  }
+}
+
+
+
+?>