diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index a6d3823..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,34 +0,0 @@
-language: php
-
-sudo: false
-
-env:
-  global:
-    - COMPOSER_ROOT_VERSION=2.0.x-dev
-    - CORE_RELEASE=master
-
-matrix:
-  include:
-    - php: 5.6
-      env:
-        - PHPUNIT_TEST=1
-        - DB=PGSQL
-    - php: 5.6
-      env:
-        - PHPUNIT_TEST=1
-        - DB=MYSQL
-    - php: 5.6
-      env:
-        - PHPCS_TEST=1
-        - DB=MYSQL
-
-before_script:
- - if [[ $PHPCS_TEST ]]; then pyrus install pear/PHP_CodeSniffer; fi
- - phpenv rehash
- - git clone git://github.com/silverstripe-labs/silverstripe-travis-support.git ~/travis-support
- - php ~/travis-support/travis_setup.php --source `pwd` --target ~/builds/ss
- - cd ~/builds/ss
-
-script:
- - if [[ $PHPUNIT_TEST ]]; then vendor/bin/phpunit testsession/tests/; fi
- - if [[ $PHPCS_TEST ]]; then (cd testsession && composer run-script lint); fi
diff --git a/_config.php b/_config.php
index 7bd9a34..a372c88 100644
--- a/_config.php
+++ b/_config.php
@@ -10,21 +10,21 @@
  * This closure will run every time a Resque_Event is forked (just before it is forked, so it applies to the parent
  * and child process).
  */
-if(class_exists('Resque_Event') && class_exists('SSResqueRun')) {
-	Resque_Event::listen('beforeFork', function($data) {
-		global $databaseConfig;
+if (class_exists('Resque_Event') && class_exists('SSResqueRun')) {
+    Resque_Event::listen('beforeFork', function ($data) {
+        $databaseConfig = DB::getConfig();
 
-		// Reconnect to the database - this may connect to the old DB first, but is required because these processes
-		// are long-lived, and MySQL connections often get closed in between worker runs. We need to connect before
-		// calling {@link TestSessionEnvironment::loadFromFile()}.
-		DB::connect($databaseConfig);
+        // Reconnect to the database - this may connect to the old DB first, but is required because these processes
+        // are long-lived, and MySQL connections often get closed in between worker runs. We need to connect before
+        // calling {@link TestSessionEnvironment::loadFromFile()}.
+        DB::connect($databaseConfig);
 
-		$testEnv = TestSessionEnvironment::singleton();
+        $testEnv = TestSessionEnvironment::singleton();
 
-		if($testEnv->isRunningTests()) {
-			$testEnv->loadFromFile();
-		} else {
-			$testEnv->endTestSession();
-		}
-	});
+        if ($testEnv->isRunningTests()) {
+            $testEnv->loadFromFile();
+        } else {
+            $testEnv->endTestSession();
+        }
+    });
 }
diff --git a/src/TestSessionController.php b/src/TestSessionController.php
index 9ec1112..1f862f5 100644
--- a/src/TestSessionController.php
+++ b/src/TestSessionController.php
@@ -4,10 +4,8 @@
 
 use SilverStripe\Control\Controller;
 use SilverStripe\Control\Director;
-use SilverStripe\Control\Session;
 use SilverStripe\Control\HTTPRequest;
 use SilverStripe\Core\Injector\Injector;
-use SilverStripe\Dev\Deprecation;
 use SilverStripe\Dev\SapphireTest;
 use SilverStripe\Forms\CheckboxField;
 use SilverStripe\Forms\DatetimeField;
@@ -18,6 +16,7 @@
 use SilverStripe\Forms\HiddenField;
 use SilverStripe\Forms\TextField;
 use SilverStripe\ORM\ArrayList;
+use SilverStripe\ORM\Connect\TempDatabase;
 use SilverStripe\ORM\DB;
 use SilverStripe\ORM\FieldType\DBHTMLText;
 use SilverStripe\Security\Permission;
@@ -104,14 +103,14 @@ public function index()
      */
     public function start()
     {
-        $params = $this->request->requestVars();
+        $params = $this->getRequest()->requestVars();
 
         if (!empty($params['globalTestSession'])) {
             $id = null;
         } else {
             $generator = Injector::inst()->get(RandomGenerator::class);
             $id = substr($generator->randomToken(), 0, 10);
-            Session::set('TestSessionId', $id);
+            $this->getRequest()->getSession()->set('TestSessionId', $id);
         }
 
         // Convert datetime from form object into a single string
@@ -181,14 +180,15 @@ public function browsersessionstate($request)
             throw new LogicException('No query parameters detected');
         }
 
-        $sessionStates = (array)Session::get('_TestSessionController.BrowserSessionState');
+        $session = $this->getRequest()->getSession();
+        $sessionStates = (array)$session->get('_TestSessionController.BrowserSessionState');
 
         foreach ($newSessionStates as $k => $v) {
-            Session::set($k, $v);
+            $session->set($k, $v);
         }
 
         // Track which state we're setting so we can unset later in end()
-        Session::set('_TestSessionController.BrowserSessionState', array_merge($sessionStates, $newSessionStates));
+        $session->set('_TestSessionController.BrowserSessionState', array_merge($sessionStates, $newSessionStates));
     }
 
     public function StartForm()
@@ -316,8 +316,9 @@ public function clear()
 
         $this->extend('onBeforeClear');
 
-        if (SapphireTest::using_temp_db()) {
-            SapphireTest::empty_temp_db();
+        $tempDB = new TempDatabase();
+        if ($tempDB->isUsed()) {
+            $tempDB->clearAllData();
         }
 
         if (isset($_SESSION['_testsession_codeblocks'])) {
@@ -341,17 +342,17 @@ public function end()
         }
 
         $this->environment->endTestSession();
-        Session::clear('TestSessionId');
+        $session = Controller::curr()->getRequest()->getSession();
+        $session->clear('TestSessionId');
 
         // Clear out all PHP session states which have been set previously
-        if ($sessionStates = Session::get('_TestSessionController.BrowserSessionState')) {
+        if ($sessionStates = $session->get('_TestSessionController.BrowserSessionState')) {
             foreach ($sessionStates as $k => $v) {
-                Session::clear($k);
+                $session->clear($k);
             }
-            Session::clear('_TestSessionController');
+            $session->clear('_TestSessionController');
         }
 
-
         return $this->renderWith('TestSession_end');
     }
 
@@ -360,7 +361,8 @@ public function end()
      */
     public function isTesting()
     {
-        return SapphireTest::using_temp_db();
+        $tempDB = new TempDatabase();
+        return $tempDB->isUsed();
     }
 
     /**
@@ -394,7 +396,7 @@ protected function getDatabaseTemplates($path = null)
         $templates = array();
 
         if (!$path) {
-            $path = $this->config()->database_templates_path;
+            $path = $this->config()->get('database_templates_path');
         }
 
         // TODO Remove once we can set BASE_PATH through the config layer
diff --git a/src/TestSessionEnvironment.php b/src/TestSessionEnvironment.php
index dcf2183..c4e60ca 100644
--- a/src/TestSessionEnvironment.php
+++ b/src/TestSessionEnvironment.php
@@ -2,21 +2,21 @@
 
 namespace SilverStripe\TestSession;
 
+use Exception;
+use InvalidArgumentException;
+use LogicException;
 use SilverStripe\Control\Director;
-use SilverStripe\Control\Session;
+use SilverStripe\Control\HTTPRequest;
 use SilverStripe\Core\Config\Configurable;
 use SilverStripe\Core\Extensible;
 use SilverStripe\Core\Injector\Injectable;
 use SilverStripe\Core\Injector\Injector;
 use SilverStripe\Dev\FixtureFactory;
-use SilverStripe\Dev\SapphireTest;
-use SilverStripe\ORM\DB;
+use SilverStripe\ORM\Connect\TempDatabase;
 use SilverStripe\ORM\DatabaseAdmin;
+use SilverStripe\ORM\DB;
 use SilverStripe\ORM\FieldType\DBDatetime;
 use SilverStripe\Versioned\Versioned;
-use InvalidArgumentException;
-use LogicException;
-use Exception;
 use stdClass;
 
 /**
@@ -77,19 +77,23 @@ class TestSessionEnvironment
     public function __construct($id = null)
     {
         $this->constructExtensions();
-
         if ($id) {
             $this->id = $id;
-        } else {
-            Session::start();
+        }
+    }
+
+    public function init(HTTPRequest $request)
+    {
+        if (!$this->id) {
+            $request->getSession()->init();
             // $_SESSION != Session::get() in some execution paths, suspect Controller->pushCurrent()
             // as part of the issue, easiest resolution is to use session directly for now
-            $this->id = (isset($_SESSION['TestSessionId'])) ? $_SESSION['TestSessionId'] : null;
+            $this->id = $request->getSession()->get('TestSessionId');
         }
     }
 
     /**
-     * @return String Absolute path to the file persisting our state.
+     * @return string Absolute path to the file persisting our state.
      */
     public function getFilePath()
     {
@@ -191,7 +195,7 @@ public function applyState($state)
         $this->extend('onBeforeApplyState', $state);
 
         // back up source
-        global $databaseConfig;
+        $databaseConfig = DB::getConfig();
         $this->oldDatabaseName = $databaseConfig['database'];
 
         // Load existing state from $this->state into $state, if there is any
@@ -239,7 +243,8 @@ public function applyState($state)
 
             if (!$dbExists) {
                 // Create a new one with a randomized name
-                $dbName = SapphireTest::create_temp_db();
+                $tempDB = new TempDatabase();
+                $dbName = $tempDB->build();
 
                 $state->database = $dbName; // In case it's changed by the call to SapphireTest::create_temp_db();
 
@@ -351,9 +356,12 @@ public function loadFromFile()
 
                 $this->applyState($json);
             } catch (Exception $e) {
-                throw new \Exception("A test session appears to be in progress, but we can't retrieve the details. "
-                    . "Try removing the " . $this->getFilePath() . " file. Inner "
-                    . "error: " . $e->getMessage());
+                throw new Exception(
+                    "A test session appears to be in progress, but we can't retrieve the details.\n"
+                    . "Try removing the " . $this->getFilePath() . " file.\n"
+                    . "Inner error: " . $e->getMessage() . "\n"
+                    . "Stacktrace: " . $e->getTraceAsString()
+                );
             }
         }
     }
@@ -385,7 +393,8 @@ public function endTestSession()
     {
         $this->extend('onBeforeEndTestSession');
 
-        if (SapphireTest::using_temp_db()) {
+        $tempDB = new TempDatabase();
+        if ($tempDB->isUsed()) {
             $state = $this->getState();
             $dbConn = DB::get_schema();
             $dbExists = $dbConn->databaseExists($state->database);
@@ -396,8 +405,6 @@ public function endTestSession()
             }
             // End test session mode
             $this->resetDatabaseName();
-
-            SapphireTest::set_is_running_test(false);
         }
 
         $this->removeStateFile();
@@ -443,9 +450,9 @@ public function loadFixtureIntoDb($fixtureFile)
     public function resetDatabaseName()
     {
         if ($this->oldDatabaseName) {
-            global $databaseConfig;
-
+            $databaseConfig = DB::getConfig();
             $databaseConfig['database'] = $this->oldDatabaseName;
+            DB::setConfig($databaseConfig);
 
             $conn = DB::get_conn();
 
diff --git a/src/TestSessionRequestFilter.php b/src/TestSessionRequestFilter.php
index bbf3bb3..cda508c 100644
--- a/src/TestSessionRequestFilter.php
+++ b/src/TestSessionRequestFilter.php
@@ -2,17 +2,15 @@
 
 namespace SilverStripe\TestSession;
 
+use SilverStripe\Control\Director;
 use SilverStripe\Control\Email\Email;
 use SilverStripe\Control\Email\Mailer;
-use SilverStripe\ORM\DataModel;
-use SilverStripe\ORM\FieldType\DBDatetime;
-use SilverStripe\ORM\DB;
-use SilverStripe\Core\Injector\Injector;
-use SilverStripe\Control\Session;
-use SilverStripe\Control\Director;
-use SilverStripe\Control\RequestFilter;
 use SilverStripe\Control\HTTPRequest;
 use SilverStripe\Control\HTTPResponse;
+use SilverStripe\Control\RequestFilter;
+use SilverStripe\Core\Injector\Injector;
+use SilverStripe\ORM\DB;
+use SilverStripe\ORM\FieldType\DBDatetime;
 
 /**
  * Sets state previously initialized through {@link TestSessionController}.
@@ -29,9 +27,10 @@ public function __construct()
         $this->testSessionEnvironment = TestSessionEnvironment::singleton();
     }
 
-    public function preRequest(HTTPRequest $request, Session $session, DataModel $model)
+    public function preRequest(HTTPRequest $request)
     {
         $isRunningTests = $this->testSessionEnvironment->isRunningTests();
+        $this->testSessionEnvironment->init($request);
         if (!$isRunningTests) {
             return;
         }
@@ -59,7 +58,7 @@ public function preRequest(HTTPRequest $request, Session $session, DataModel $mo
             $file = $testState->stubfile;
             if (!Director::isLive() && $file && file_exists($file)) {
                 // Connect to the database so the included code can interact with it
-                global $databaseConfig;
+                $databaseConfig = DB::getConfig();
                 if ($databaseConfig) {
                     DB::connect($databaseConfig);
                 }
@@ -68,7 +67,7 @@ public function preRequest(HTTPRequest $request, Session $session, DataModel $mo
         }
     }
 
-    public function postRequest(HTTPRequest $request, HTTPResponse $response, DataModel $model)
+    public function postRequest(HTTPRequest $request, HTTPResponse $response)
     {
         if (!$this->testSessionEnvironment->isRunningTests()) {
             return;
@@ -76,7 +75,7 @@ public function postRequest(HTTPRequest $request, HTTPResponse $response, DataMo
 
         // Store PHP session
         $state = $this->testSessionEnvironment->getState();
-        $state->session = Session::get_all();
+        $state->session = $request->getSession()->getAll();
         $this->testSessionEnvironment->applyState($state);
     }
 }
diff --git a/tests/TestSessionStubCodeWriterTest.php b/tests/TestSessionStubCodeWriterTest.php
deleted file mode 100644
index 96acf7c..0000000
--- a/tests/TestSessionStubCodeWriterTest.php
+++ /dev/null
@@ -1,55 +0,0 @@
-<?php
-
-namespace SilverStripe\TestSession\Tests;
-
-use SilverStripe\Dev\SapphireTest;
-use SilverStripe\TestSession\TestSessionStubCodeWriter;
-
-class TestSessionStubCodeWriterTest extends SapphireTest
-{
-
-    public function tearDown()
-    {
-        parent::tearDown();
-
-        $file = TEMP_FOLDER . '/TestSessionStubCodeWriterTest-file.php';
-        if (file_exists($file)) {
-            unlink($file);
-        }
-    }
-
-    public function testWritesHeaderOnNewFile()
-    {
-        $file = TEMP_FOLDER . '/TestSessionStubCodeWriterTest-file.php';
-        $writer = new TestSessionStubCodeWriter($file);
-        $writer->write('foo();', false);
-        $this->assertFileExists($file);
-        $this->assertEquals(
-            file_get_contents($writer->getFilePath()),
-            "<?php\nfoo();\n"
-        );
-    }
-
-    public function testWritesWithAppendOnExistingFile()
-    {
-        $file = TEMP_FOLDER . '/TestSessionStubCodeWriterTest-file.php';
-        $writer = new TestSessionStubCodeWriter($file);
-        $writer->write('foo();', false);
-        $writer->write('bar();', false);
-        $this->assertFileExists($file);
-        $this->assertEquals(
-            file_get_contents($writer->getFilePath()),
-            "<?php\nfoo();\nbar();\n"
-        );
-    }
-
-    public function testReset()
-    {
-        $file = TEMP_FOLDER . '/TestSessionStubCodeWriterTest-file.php';
-        $writer = new TestSessionStubCodeWriter($file);
-        $writer->write('foo();', false);
-        $this->assertFileExists($file);
-        $writer->reset();
-        $this->assertFileNotExists($file);
-    }
-}