Add some unit tests for DB classes

tests/Framework/DB.php

@@ -9,7 +9,7 @@ class Framework_DB extends PHPUnit_Framework_TestCase
 {
 
     /**
-     * Class constructor
+     * Class constructor test
      */
     function test_class()
     {
@@ -17,4 +17,58 @@ class Framework_DB extends PHPUnit_Framework_TestCase
 
         $this->assertInstanceOf('rcube_db', $object, "Class constructor");
     }
+
+    /**
+     * Test script execution and table_prefix replacements
+     */
+    function test_exec_script()
+    {
+        $db = new rcube_db_test_wrapper('test');
+        $db->set_option('table_prefix', 'prefix_');
+
+        $script = implode("\n", array(
+            "CREATE TABLE `xxx` (test int, INDEX xxx (test));",
+            "-- test comment",
+            "ALTER TABLE `xxx` CHANGE test test int;",
+            "TRUNCATE xxx;",
+            "DROP TABLE `vvv`;",
+            "CREATE TABLE `i` (test int CONSTRAINT `iii`
+                FOREIGN KEY (`test`) REFERENCES `xxx`(`test`) ON DELETE CASCADE ON UPDATE CASCADE);",
+            "INSERT INTO xxx test = 1;",
+            "SELECT test FROM xxx;",
+        ));
+        $output = implode("\n", array(
+            "CREATE TABLE `prefix_xxx` (test int, INDEX prefix_xxx (test));",
+            "ALTER TABLE `prefix_xxx` CHANGE test test int;",
+            "TRUNCATE prefix_xxx;",
+            "DROP TABLE `prefix_vvv`;",
+            "CREATE TABLE `prefix_i` (test int CONSTRAINT `prefix_iii`
+                FOREIGN KEY (`test`) REFERENCES `prefix_xxx`(`test`) ON DELETE CASCADE ON UPDATE CASCADE);",
+            "INSERT INTO prefix_xxx test = 1;",
+            "SELECT test FROM prefix_xxx;",
+        ));
+
+        $result = $db->exec_script($script);
+        $out    = '';
+
+        foreach ($db->queries as $q) {
+            $out[] = $q[0];
+        }
+
+        $this->assertTrue($result, "Execute SQL script (result)");
+        $this->assertSame(implode("\n", $out), $output, "Execute SQL script (content)");
+    }
+}
+
+/**
+ * rcube_db wrapper to test some protected methods
+ */
+class rcube_db_test_wrapper extends rcube_db
+{
+    public $queries = array();
+
+    protected function _query($query, $offset, $numrows, $params)
+    {
+        $this->queries[] = array(trim($query), $offset, $numrows, $params);
+    }
 }

tests/Framework/DBMssql.php

@@ -0,0 +1,20 @@
+<?php
+
+/**
+ * Test class to test rcube_db_mssql class
+ *
+ * @package Tests
+ */
+class Framework_DBMssql extends PHPUnit_Framework_TestCase
+{
+
+    /**
+     * Class constructor
+     */
+    function test_class()
+    {
+        $object = new rcube_db_mssql('test');
+
+        $this->assertInstanceOf('rcube_db_mssql', $object, "Class constructor");
+    }
+}

tests/Framework/DBMysql.php

@@ -0,0 +1,20 @@
+<?php
+
+/**
+ * Test class to test rcube_db_mysql class
+ *
+ * @package Tests
+ */
+class Framework_DBMysql extends PHPUnit_Framework_TestCase
+{
+
+    /**
+     * Class constructor
+     */
+    function test_class()
+    {
+        $object = new rcube_db_mysql('test');
+
+        $this->assertInstanceOf('rcube_db_mysql', $object, "Class constructor");
+    }
+}

tests/Framework/DBPgsql.php

@@ -0,0 +1,20 @@
+<?php
+
+/**
+ * Test class to test rcube_db_pgsql class
+ *
+ * @package Tests
+ */
+class Framework_DBPgsql extends PHPUnit_Framework_TestCase
+{
+
+    /**
+     * Class constructor
+     */
+    function test_class()
+    {
+        $object = new rcube_db_pgsql('test');
+
+        $this->assertInstanceOf('rcube_db_pgsql', $object, "Class constructor");
+    }
+}

tests/Framework/DBSqlite.php

@@ -0,0 +1,20 @@
+<?php
+
+/**
+ * Test class to test rcube_db_sqlite class
+ *
+ * @package Tests
+ */
+class Framework_DBSqlite extends PHPUnit_Framework_TestCase
+{
+
+    /**
+     * Class constructor
+     */
+    function test_class()
+    {
+        $object = new rcube_db_sqlite('test');
+
+        $this->assertInstanceOf('rcube_db_sqlite', $object, "Class constructor");
+    }
+}

tests/Framework/DBSqlsrv.php

@@ -0,0 +1,20 @@
+<?php
+
+/**
+ * Test class to test rcube_db_sqlsrv class
+ *
+ * @package Tests
+ */
+class Framework_DBSqlsrv extends PHPUnit_Framework_TestCase
+{
+
+    /**
+     * Class constructor
+     */
+    function test_class()
+    {
+        $object = new rcube_db_sqlsrv('test');
+
+        $this->assertInstanceOf('rcube_db_sqlsrv', $object, "Class constructor");
+    }
+}

tests/phpunit.xml

@@ -13,6 +13,11 @@
             <file>Framework/ContentFilter.php</file>
             <file>Framework/Csv2vcard.php</file>
             <file>Framework/DB.php</file>
+            <file>Framework/DBMssql.php</file>
+            <file>Framework/DBMysql.php</file>
+            <file>Framework/DBPgsql.php</file>
+            <file>Framework/DBSqlite.php</file>
+            <file>Framework/DBSqlsrv.php</file>
             <file>Framework/Enriched.php</file>
             <file>Framework/Html.php</file>
             <file>Framework/Html2text.php</file>