Test cases for abstract class Driver.

tests/TestCase/Database/DriverTest.php

@@ -0,0 +1,255 @@
+<?php
+/**
+ * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
+ * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
+ *
+ * Licensed under The MIT License
+ * For full copyright and license information, please see the LICENSE.txt
+ * Redistributions of files must retain the above copyright notice.
+ *
+ * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
+ * @link          http://cakephp.org CakePHP(tm) Project
+ * @since         3.2.12
+ * @license       http://www.opensource.org/licenses/mit-license.php MIT License
+ */
+namespace Cake\Test\TestCase\Database;
+
+use Cake\Database\Driver;
+use Cake\Database\Query;
+use Cake\Database\QueryCompiler;
+use Cake\Database\ValueBinder;
+use Cake\TestSuite\TestCase;
+use PDO;
+
+/**
+ * Tests Driver class
+ */
+class DriverTest extends TestCase
+{
+    /**
+     * Setup.
+     */
+    public function setUp()
+    {
+        $this->driver = $this->getMockForAbstractClass(Driver::class);
+    }
+
+    /**
+     * Test if building the object throws an exception if we're not passing
+     * required config data.
+     *
+     * @expectedException \InvalidArgumentException
+     * @expectedExceptionMessage Please pass "username" instead of "login" for connecting to the database
+     * @return void
+     */
+    public function testConstructorException()
+    {
+        $arg = ['login' => 'Bear'];
+        $this->getMockForAbstractClass(Driver::class, [$arg]);
+    }
+
+    /**
+     * Test the constructor.
+     *
+     * @return void
+     */
+    public function testConstructor()
+    {
+        $arg = ['quoteIdentifiers' => true];
+        $driver = $this->getMockForAbstractClass(Driver::class, [$arg]);
+
+        $this->assertTrue($driver->autoQuoting());
+
+        $arg = ['username' => 'GummyBear'];
+        $driver = $this->getMockForAbstractClass(Driver::class, [$arg]);
+
+        $this->assertFalse($driver->autoQuoting());
+    }
+
+    /**
+     * Test supportsSavePoints().
+     *
+     * @return void
+     */
+    public function testSupportsSavePoints()
+    {
+        $result = $this->driver->supportsSavePoints();
+        $this->assertTrue($result);
+    }
+
+    /**
+     * Test supportsQuoting().
+     *
+     * @return void
+     */
+    public function testSupportsQuoting()
+    {
+        $result = $this->driver->supportsQuoting();
+        $this->assertTrue($result);
+    }
+
+    /**
+     * Test schemaValue().
+     * Uses a provider for all the different values we can pass to the method.
+     *
+     * @dataProvider schemaValueProvider
+     * @return void
+     */
+    public function testSchemaValue($input, $expected)
+    {
+        $this->driver->_connection = $this->getMockBuilder(PDO::class)
+            ->disableOriginalConstructor()
+            ->setMethods(['quote'])
+            ->getMock();
+
+        $this->driver->_connection
+            ->expects($this->any())
+            ->method('quote')
+            ->willReturn($expected);
+
+        $result = $this->driver->schemaValue($input);
+        $this->assertSame($expected, $result);
+    }
+
+    /**
+     * Test lastInsertId().
+     *
+     * @return void
+     */
+    public function testLastInsertId()
+    {
+        $connection = $this->getMockBuilder(PDO::class)
+            ->disableOriginalConstructor()
+            ->setMethods(['lastInsertId'])
+            ->getMock();
+
+        $connection
+            ->expects($this->once())
+            ->method('lastInsertId')
+            ->willReturn('all-the-bears');
+
+        $this->driver->_connection = $connection;
+        $this->assertSame('all-the-bears', $this->driver->lastInsertId());
+    }
+
+    /**
+     * Test isConnected().
+     *
+     * @return void
+     */
+    public function testIsConnected()
+    {
+        $this->driver->_connection = 'connection';
+        $this->assertTrue($this->driver->isConnected());
+
+        $this->driver->_connection = null;
+        $this->assertFalse($this->driver->isConnected());
+    }
+
+    /**
+     * test autoQuoting().
+     *
+     * @return void
+     */
+    public function testAutoQuoting()
+    {
+        $this->assertFalse($this->driver->autoQuoting());
+
+        $this->driver->autoQuoting(true);
+        $this->assertTrue($this->driver->autoQuoting());
+
+        $this->assertTrue($this->driver->autoQuoting(true));
+        $this->assertFalse($this->driver->autoQuoting(false));
+
+        $this->assertTrue($this->driver->autoQuoting('string'));
+        $this->assertFalse($this->driver->autoQuoting('0'));
+
+        $this->assertTrue($this->driver->autoQuoting(1));
+        $this->assertFalse($this->driver->autoQuoting(0));
+    }
+
+    /**
+     * Test compileQuery().
+     *
+     * @return void
+     * @group new
+     */
+    public function testCompileQuery()
+    {
+        $compiler = $this->getMockBuilder(QueryCompiler::class)
+            ->setMethods(['compile'])
+            ->getMock();
+
+        $compiler
+            ->expects($this->once())
+            ->method('compile')
+            ->willReturn(true);
+
+        $driver = $this->getMockBuilder(Driver::class)
+            ->setMethods(['newCompiler', 'queryTranslator'])
+            ->getMockForAbstractClass();
+
+        $driver
+            ->expects($this->once())
+            ->method('newCompiler')
+            ->willReturn($compiler);
+
+        $driver
+            ->expects($this->once())
+            ->method('queryTranslator')
+            ->willReturn(function ($query) {
+                return $query;
+            });
+
+        $query = $this->getMockBuilder(Query::class)
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        $result = $driver->compileQuery($query, new ValueBinder);
+
+        $this->assertInternalType('array', $result);
+        $this->assertSame($query, $result[0]);
+        $this->assertTrue($result[1]);
+    }
+
+    /**
+     * Test newCompiler().
+     *
+     * @return void
+     */
+    public function testNewCompiler()
+    {
+        $this->assertInstanceOf(QueryCompiler::class, $this->driver->newCompiler());
+    }
+
+    /**
+     * Test __destruct().
+     *
+     * @return void
+     */
+    public function testDestructor()
+    {
+        $this->driver->_connection = true;
+        $this->driver->__destruct();
+
+        $this->assertNull($this->driver->_connection);
+    }
+
+    /**
+     * Data provider for testSchemaValue().
+     *
+     * @return array
+     */
+    public function schemaValueProvider()
+    {
+        return [
+            [null, 'NULL'],
+            [false, 'FALSE'],
+            [true, 'TRUE'],
+            [1, 1],
+            ['0', '0'],
+            ['42', '42'],
+            ['string', true]
+        ];
+    }
+}