(NFC) CRM-21223 - DAOTest - Add null-ish test-cases for composeQuery

The behavior of `CRM_Core_DAO::executeQuery()` and `::composeQuery()` is
inconsistent with respect to handling NULL values.  This revision adds a
unit-test covering the quirky behaviors.

diff --git a/tests/phpunit/CRM/Core/DAOTest.php b/tests/phpunit/CRM/Core/DAOTest.php
index 1a9077a34a6f2a5375d1d2c2352ff9d52e55aa60..c5cf1c199807f2d03701ecd0df0a6c4eb41cc296 100644 (file)
--- a/tests/phpunit/CRM/Core/DAOTest.php
+++ b/tests/phpunit/CRM/Core/DAOTest.php
@@ -6,6 +6,8 @@
  */
 class CRM_Core_DAOTest extends CiviUnitTestCase {
 
+  const ABORTED_SQL = "_aborted_sql_";
+
   public function testGetReferenceColumns() {
     // choose CRM_Core_DAO_Email as an arbitrary example
     $emailRefs = CRM_Core_DAO_Email::getReferenceColumns();
@@ -72,15 +74,40 @@ class CRM_Core_DAOTest extends CiviUnitTestCase {
     $cases = array();
     // $cases[] = array('Input-SQL', 'Input-Params', 'Expected-SQL');
 
+    $cases[0] = array('UPDATE civicrm_foo SET bar = %1', array(1 => array('', 'String')), 'UPDATE civicrm_foo SET bar = \'\'');
+    $cases[1] = array('UPDATE civicrm_foo SET bar = %1', array(1 => array('the text', 'String')), 'UPDATE civicrm_foo SET bar = \'the text\'');
+    $cases[2] = array('UPDATE civicrm_foo SET bar = %1', array(1 => array(NULL, 'String')), self::ABORTED_SQL);
+    $cases[3] = array('UPDATE civicrm_foo SET bar = %1', array(1 => array('null', 'String')), 'UPDATE civicrm_foo SET bar = NULL');
+
+    $cases[3] = array('UPDATE civicrm_foo SET bar = %1', array(1 => array('', 'Float')), self::ABORTED_SQL);
+    $cases[4] = array('UPDATE civicrm_foo SET bar = %1', array(1 => array('1.23', 'Float')), 'UPDATE civicrm_foo SET bar = 1.23');
+    $cases[5] = array('UPDATE civicrm_foo SET bar = %1', array(1 => array(NULL, 'Float')), self::ABORTED_SQL);
+    $cases[6] = array('UPDATE civicrm_foo SET bar = %1', array(1 => array('null', 'Float')), self::ABORTED_SQL);
+
+    $cases[11] = array('UPDATE civicrm_foo SET bar = %1', array(1 => array('', 'Money')), self::ABORTED_SQL);
+    $cases[12] = array('UPDATE civicrm_foo SET bar = %1', array(1 => array('1.23', 'Money')), 'UPDATE civicrm_foo SET bar = 1.23');
+    $cases[13] = array('UPDATE civicrm_foo SET bar = %1', array(1 => array(NULL, 'Money')), self::ABORTED_SQL);
+    $cases[14] = array('UPDATE civicrm_foo SET bar = %1', array(1 => array('null', 'Money')), self::ABORTED_SQL);
+
+    $cases[15] = array('UPDATE civicrm_foo SET bar = %1', array(1 => array('', 'Int')), self::ABORTED_SQL);
+    $cases[16] = array('UPDATE civicrm_foo SET bar = %1', array(1 => array('123', 'Int')), 'UPDATE civicrm_foo SET bar = 123');
+    $cases[17] = array('UPDATE civicrm_foo SET bar = %1', array(1 => array(NULL, 'Int')), self::ABORTED_SQL);
+    $cases[18] = array('UPDATE civicrm_foo SET bar = %1', array(1 => array('null', 'Int')), self::ABORTED_SQL);
+
+    $cases[19] = array('UPDATE civicrm_foo SET bar = %1', array(1 => array('', 'Timestamp')), 'UPDATE civicrm_foo SET bar = null');
+    $cases[20] = array('UPDATE civicrm_foo SET bar = %1', array(1 => array('20150102030405', 'Timestamp')), 'UPDATE civicrm_foo SET bar = 20150102030405');
+    $cases[21] = array('UPDATE civicrm_foo SET bar = %1', array(1 => array(NULL, 'Timestamp')), 'UPDATE civicrm_foo SET bar = null');
+    $cases[22] = array('UPDATE civicrm_foo SET bar = %1', array(1 => array('null', 'Timestamp')), self::ABORTED_SQL);
+
     // CASE: No params
-    $cases[] = array(
+    $cases[1000] = array(
       'SELECT * FROM whatever',
       array(),
       'SELECT * FROM whatever',
     );
 
     // CASE: Integer param
-    $cases[] = array(
+    $cases[1001] = array(
       'SELECT * FROM whatever WHERE id = %1',
       array(
         1 => array(10, 'Integer'),
@@ -89,7 +116,7 @@ class CRM_Core_DAOTest extends CiviUnitTestCase {
     );
 
     // CASE: String param
-    $cases[] = array(
+    $cases[1002] = array(
       'SELECT * FROM whatever WHERE name = %1',
       array(
         1 => array('Alice', 'String'),
@@ -98,7 +125,7 @@ class CRM_Core_DAOTest extends CiviUnitTestCase {
     );
 
     // CASE: Two params
-    $cases[] = array(
+    $cases[1003] = array(
       'SELECT * FROM whatever WHERE name = %1 AND title = %2',
       array(
         1 => array('Alice', 'String'),
@@ -108,7 +135,7 @@ class CRM_Core_DAOTest extends CiviUnitTestCase {
     );
 
     // CASE: Two params with special character (%1)
-    $cases[] = array(
+    $cases[1004] = array(
       'SELECT * FROM whatever WHERE name = %1 AND title = %2',
       array(
         1 => array('Alice %2', 'String'),
@@ -118,7 +145,7 @@ class CRM_Core_DAOTest extends CiviUnitTestCase {
     );
 
     // CASE: Two params with special character ($1)
-    $cases[] = array(
+    $cases[1005] = array(
       'SELECT * FROM whatever WHERE name = %1 AND title = %2',
       array(
         1 => array('Alice $1', 'String'),
@@ -137,7 +164,13 @@ class CRM_Core_DAOTest extends CiviUnitTestCase {
    * @param $expectSql
    */
   public function testComposeQuery($inputSql, $inputParams, $expectSql) {
-    $actualSql = CRM_Core_DAO::composeQuery($inputSql, $inputParams);
+    $scope = CRM_Core_TemporaryErrorScope::useException();
+    try {
+      $actualSql = CRM_Core_DAO::composeQuery($inputSql, $inputParams);
+    }
+    catch (Exception $e) {
+      $actualSql = self::ABORTED_SQL;
+    }
     $this->assertEquals($expectSql, $actualSql);
   }
 
@@ -162,6 +195,7 @@ class CRM_Core_DAOTest extends CiviUnitTestCase {
     list($inputSql, $inputParams, $expectSql) = $cases[0];
     $actualSql = CRM_Core_DAO::composeQuery($inputSql, $inputParams);
     $this->assertFalse(($expectSql == $actualSql));
+    unset($scope);
   }
 
   /**