diff --git a/codeception.yml b/codeception.yml
new file mode 100644
index 0000000..696ddd2
--- /dev/null
+++ b/codeception.yml
@@ -0,0 +1,14 @@
+actor: Tester
+paths:
+    tests: tests
+    log: tests/_output
+    data: tests/_data
+    support: tests/_support
+    envs: tests/_envs
+settings:
+    bootstrap: _bootstrap.php
+    colors: true
+    memory_limit: 1024M
+extensions:
+    enabled:
+        - Codeception\Extension\RunFailed
diff --git a/tests/_bootstrap.php b/tests/_bootstrap.php
new file mode 100755
index 0000000..243f9c8
--- /dev/null
+++ b/tests/_bootstrap.php
@@ -0,0 +1,2 @@
+<?php
+// This is global bootstrap for autoloading
diff --git a/tests/_data/dump.sql b/tests/_data/dump.sql
new file mode 100755
index 0000000..4bc742c
--- /dev/null
+++ b/tests/_data/dump.sql
@@ -0,0 +1 @@
+/* Replace this file with actual dump of your database */
\ No newline at end of file
diff --git a/tests/_output/.gitignore b/tests/_output/.gitignore
new file mode 100755
index 0000000..c96a04f
--- /dev/null
+++ b/tests/_output/.gitignore
@@ -0,0 +1,2 @@
+*
+!.gitignore
\ No newline at end of file
diff --git a/tests/_support/AcceptanceTester.php b/tests/_support/AcceptanceTester.php
new file mode 100755
index 0000000..4c7dcbb
--- /dev/null
+++ b/tests/_support/AcceptanceTester.php
@@ -0,0 +1,26 @@
+<?php
+
+
+/**
+ * Inherited Methods
+ * @method void wantToTest($text)
+ * @method void wantTo($text)
+ * @method void execute($callable)
+ * @method void expectTo($prediction)
+ * @method void expect($prediction)
+ * @method void amGoingTo($argumentation)
+ * @method void am($role)
+ * @method void lookForwardTo($achieveValue)
+ * @method void comment($description)
+ * @method \Codeception\Lib\Friend haveFriend($name, $actorClass = NULL)
+ *
+ * @SuppressWarnings(PHPMD)
+*/
+class AcceptanceTester extends \Codeception\Actor
+{
+    use _generated\AcceptanceTesterActions;
+
+   /**
+    * Define custom actions here
+    */
+}
diff --git a/tests/_support/FunctionalTester.php b/tests/_support/FunctionalTester.php
new file mode 100755
index 0000000..7e888f8
--- /dev/null
+++ b/tests/_support/FunctionalTester.php
@@ -0,0 +1,26 @@
+<?php
+
+
+/**
+ * Inherited Methods
+ * @method void wantToTest($text)
+ * @method void wantTo($text)
+ * @method void execute($callable)
+ * @method void expectTo($prediction)
+ * @method void expect($prediction)
+ * @method void amGoingTo($argumentation)
+ * @method void am($role)
+ * @method void lookForwardTo($achieveValue)
+ * @method void comment($description)
+ * @method \Codeception\Lib\Friend haveFriend($name, $actorClass = NULL)
+ *
+ * @SuppressWarnings(PHPMD)
+*/
+class FunctionalTester extends \Codeception\Actor
+{
+    use _generated\FunctionalTesterActions;
+
+   /**
+    * Define custom actions here
+    */
+}
diff --git a/tests/_support/Helper/Acceptance.php b/tests/_support/Helper/Acceptance.php
new file mode 100755
index 0000000..65b9421
--- /dev/null
+++ b/tests/_support/Helper/Acceptance.php
@@ -0,0 +1,10 @@
+<?php
+namespace Helper;
+
+// here you can define custom actions
+// all public methods declared in helper class will be available in $I
+
+class Acceptance extends \Codeception\Module
+{
+
+}
diff --git a/tests/_support/Helper/Functional.php b/tests/_support/Helper/Functional.php
new file mode 100755
index 0000000..4183cb0
--- /dev/null
+++ b/tests/_support/Helper/Functional.php
@@ -0,0 +1,10 @@
+<?php
+namespace Helper;
+
+// here you can define custom actions
+// all public methods declared in helper class will be available in $I
+
+class Functional extends \Codeception\Module
+{
+
+}
diff --git a/tests/_support/Helper/Unit.php b/tests/_support/Helper/Unit.php
new file mode 100755
index 0000000..6064d37
--- /dev/null
+++ b/tests/_support/Helper/Unit.php
@@ -0,0 +1,10 @@
+<?php
+namespace Helper;
+
+// here you can define custom actions
+// all public methods declared in helper class will be available in $I
+
+class Unit extends \Codeception\Module
+{
+
+}
diff --git a/tests/_support/UnitTester.php b/tests/_support/UnitTester.php
new file mode 100755
index 0000000..2835357
--- /dev/null
+++ b/tests/_support/UnitTester.php
@@ -0,0 +1,26 @@
+<?php
+
+
+/**
+ * Inherited Methods
+ * @method void wantToTest($text)
+ * @method void wantTo($text)
+ * @method void execute($callable)
+ * @method void expectTo($prediction)
+ * @method void expect($prediction)
+ * @method void amGoingTo($argumentation)
+ * @method void am($role)
+ * @method void lookForwardTo($achieveValue)
+ * @method void comment($description)
+ * @method \Codeception\Lib\Friend haveFriend($name, $actorClass = NULL)
+ *
+ * @SuppressWarnings(PHPMD)
+*/
+class UnitTester extends \Codeception\Actor
+{
+    use _generated\UnitTesterActions;
+
+   /**
+    * Define custom actions here
+    */
+}
diff --git a/tests/_support/_generated/.gitignore b/tests/_support/_generated/.gitignore
new file mode 100755
index 0000000..c96a04f
--- /dev/null
+++ b/tests/_support/_generated/.gitignore
@@ -0,0 +1,2 @@
+*
+!.gitignore
\ No newline at end of file
diff --git a/tests/acceptance.suite.yml b/tests/acceptance.suite.yml
new file mode 100755
index 0000000..2269e0c
--- /dev/null
+++ b/tests/acceptance.suite.yml
@@ -0,0 +1,12 @@
+# Codeception Test Suite Configuration
+#
+# Suite for acceptance tests.
+# Perform tests in browser using the WebDriver or PhpBrowser.
+# If you need both WebDriver and PHPBrowser tests - create a separate suite.
+
+class_name: AcceptanceTester
+modules:
+    enabled:
+        - PhpBrowser:
+            url: http://localhost/myapp
+        - \Helper\Acceptance
\ No newline at end of file
diff --git a/tests/acceptance/_bootstrap.php b/tests/acceptance/_bootstrap.php
new file mode 100755
index 0000000..8a88555
--- /dev/null
+++ b/tests/acceptance/_bootstrap.php
@@ -0,0 +1,2 @@
+<?php
+// Here you can initialize variables that will be available to your tests
diff --git a/tests/functional.suite.yml b/tests/functional.suite.yml
new file mode 100755
index 0000000..bd94ce7
--- /dev/null
+++ b/tests/functional.suite.yml
@@ -0,0 +1,14 @@
+# Codeception Test Suite Configuration
+#
+# Suite for functional (integration) tests
+# Emulate web requests and make application process them
+# Include one of framework modules (Symfony2, Yii2, Laravel5) to use it
+
+class_name: FunctionalTester
+modules:
+    enabled:
+        # add framework module here
+        - \Helper\Functional
+        - Asserts
+        - Lumen:
+            cleanup: true
diff --git a/tests/functional/Trips/FlightModelCest.php b/tests/functional/Trips/FlightModelCest.php
new file mode 100755
index 0000000..61301b6
--- /dev/null
+++ b/tests/functional/Trips/FlightModelCest.php
@@ -0,0 +1,23 @@
+<?php
+namespace Trips;
+use App\Libraries\Trips\Models\Flights;
+use \FunctionalTester;
+
+class FlightModelCest
+{
+    public function _before(FunctionalTester $I)
+    {
+    }
+
+    public function _after(FunctionalTester $I)
+    {
+    }
+
+    // tests
+    public function canSave(FunctionalTester $I)
+    {
+        $trip = new Flights(['destination' => 'YUL']);
+        
+        $trip->save();
+    }
+}
diff --git a/tests/functional/Trips/TripModelCest.php b/tests/functional/Trips/TripModelCest.php
new file mode 100755
index 0000000..a2420bd
--- /dev/null
+++ b/tests/functional/Trips/TripModelCest.php
@@ -0,0 +1,35 @@
+<?php
+namespace Trips;
+use App\Libraries\Trips\Models\Flights;
+use App\Libraries\Trips\Models\Trips;
+use \FunctionalTester;
+
+class TripModelCest
+{
+    public function _before(FunctionalTester $I)
+    {
+    }
+
+    public function _after(FunctionalTester $I)
+    {
+    }
+
+    // tests
+    public function canSave(FunctionalTester $I)
+    {
+        $trip = new Trips(['name' => 'My First Trip']);
+    
+        $I->assertTrue($trip->save());
+    }
+    
+    public function canSaveFlightRelation(FunctionalTester $I)
+    {
+        $flight = $I->have(Flights::class)->first();
+        $trip = $I->have(Trips::class)->first();
+        $I->assertInstanceOf(Trips::class, $trip);
+        
+        $trip->flights()->attach($flight->id);
+        
+        $I->assertEquals($flight->id, $trip->flights()->first()->id);
+    }
+}
diff --git a/tests/functional/_bootstrap.php b/tests/functional/_bootstrap.php
new file mode 100755
index 0000000..8a88555
--- /dev/null
+++ b/tests/functional/_bootstrap.php
@@ -0,0 +1,2 @@
+<?php
+// Here you can initialize variables that will be available to your tests
diff --git a/tests/unit.suite.yml b/tests/unit.suite.yml
new file mode 100755
index 0000000..02dc9b1
--- /dev/null
+++ b/tests/unit.suite.yml
@@ -0,0 +1,9 @@
+# Codeception Test Suite Configuration
+#
+# Suite for unit (internal) tests.
+
+class_name: UnitTester
+modules:
+    enabled:
+        - Asserts
+        - \Helper\Unit
\ No newline at end of file
diff --git a/tests/unit/_bootstrap.php b/tests/unit/_bootstrap.php
new file mode 100755
index 0000000..8a88555
--- /dev/null
+++ b/tests/unit/_bootstrap.php
@@ -0,0 +1,2 @@
+<?php
+// Here you can initialize variables that will be available to your tests