Create base classes for unit and functional tests

phpunit.xml.dist

@@ -16,6 +16,8 @@
 
     <php>
         <ini name="error_reporting" value="-1"/>
+        <env name="MONGODB_URI" value="mongodb://localhost:27017"/>
+        <env name="MONGODB_DATABASE" value="phplib_test"/>
     </php>
 
     <testsuites>

tests/FunctionalTestCase.php

+<?php
+
+namespace MongoDB\Tests;
+
+use MongoDB\Driver\Manager;
+
+abstract class FunctionalTestCase extends TestCase
+{
+    protected $manager;
+
+    public function setUp()
+    {
+        $this->manager = new Manager($this->getUri());
+    }
+}

tests/TestCase.php

+<?php
+
+namespace MongoDB\Tests;
+
+use ReflectionClass;
+
+abstract class TestCase extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * Return the test collection name.
+     *
+     * @return string
+     */
+    public function getCollectionName()
+    {
+         $class = new ReflectionClass($this);
+
+         return sprintf('%s.%s', $class->getShortName(), $this->getName(false));
+    }
+
+    /**
+     * Return the test database name.
+     *
+     * @return string
+     */
+    public function getDatabaseName()
+    {
+        return getenv('MONGODB_DATABASE') ?: 'phplib_test';
+    }
+
+    /**
+     * Return the test namespace.
+     *
+     * @return string
+     */
+    public function getNamespace()
+    {
+         return sprintf('%s.%s', $this->getDatabaseName(), $this->getCollectionName());
+    }
+
+    /**
+     * Return the connection URI.
+     *
+     * @return string
+     */
+    public function getUri()
+    {
+        return getenv('MONGODB_URI') ?: 'mongodb://localhost:27017';
+    }
+}