1 files changed, 47 insertions, 0 deletions
diff --git a/tests/unit/Data/DbCommon/CommandBuilderMssqlTest.php b/tests/unit/Data/DbCommon/CommandBuilderMssqlTest.php
new file mode 100644
index 00000000..893a8ca6
--- /dev/null
+++ b/tests/unit/Data/DbCommon/CommandBuilderMssqlTest.php
@@ -0,0 +1,47 @@
+<?php
+
+Prado::using('System.Data.*');
+Prado::using('System.Data.Common.Mssql.TMssqlCommandBuilder');
+
+/**
+ * @package System.Data.DbCommon
+ */
+class CommandBuilderMssqlTest extends PHPUnit_Framework_TestCase
+{
+	protected static $sql = array(
+		'simple' => 'SELECT username, age FROM accounts',
+		'multiple' => 'select a.username, b.name from accounts a, table1 b where a.age = b.id1',
+		'ordering' => 'select a.username, b.name, a.age from accounts a, table1 b where a.age = b.id1 order by age DESC, name',
+		'index' => 'select a.username, b.name, a.age from accounts a, table1 b where a.age = b.id1 ORDER BY 1 DESC, 2 ASC',
+		//'compute' => 'SELECT username, age FROM accounts order by age compute avg(age)',
+	);
+
+	function test_limit()
+	{
+		$builder = new TMssqlCommandBuilder();
+
+		$sql = $builder->applyLimitOffset(self::$sql['simple'], 3);
+		$expect = 'SELECT TOP 3 username, age FROM accounts';
+		$this->assertEqual($expect, $sql);
+
+
+		$sql = $builder->applyLimitOffset(self::$sql['simple'], 3, 2);
+		$expect = 'SELECT * FROM (SELECT TOP 3 * FROM (SELECT TOP 5 username, age FROM accounts) as [__inner top table__] ) as [__outer top table__] ';
+		$this->assertEqual($expect, $sql);
+
+		$sql = $builder->applyLimitOffset(self::$sql['multiple'], 3, 2);
+		$expect = 'SELECT * FROM (SELECT TOP 3 * FROM (SELECT TOP 5 a.username, b.name from accounts a, table1 b where a.age = b.id1) as [__inner top table__] ) as [__outer top table__] ';
+		$this->assertEqual($sql, $expect);
+
+		$sql = $builder->applyLimitOffset(self::$sql['ordering'], 3, 2);
+		$expect = 'SELECT * FROM (SELECT TOP 3 * FROM (SELECT TOP 5 a.username, b.name, a.age from accounts a, table1 b where a.age = b.id1 order by age DESC, name) as [__inner top table__] ORDER BY age ASC, name DESC) as [__outer top table__] ORDER BY age DESC, name ASC';
+		$this->assertEqual($sql, $expect);
+
+		$sql = $builder->applyLimitOffset(self::$sql['index'], 3, 2);
+		$expect = 'SELECT * FROM (SELECT TOP 3 * FROM (SELECT TOP 5 a.username, b.name, a.age from accounts a, table1 b where a.age = b.id1 ORDER BY 1 DESC, 2 ASC) as [__inner top table__] ORDER BY 1 ASC, 2 DESC) as [__outer top table__] ORDER BY 1 DESC, 2 ASC';
+		$this->assertEqual($expect, $sql);
+
+	//	$sql = $builder->applyLimitOffset(self::$sql['compute'], 3, 2);
+	//	var_dump($sql);
+	}
+}