From 3c489c54bf76d29aa8acf5db5933bdf6bf7a2fd0 Mon Sep 17 00:00:00 2001
From: Roman Mogilatov <roman.mogilatov@cupid.com>
Date: Thu, 12 Mar 2015 12:46:14 +0200
Subject: [PATCH] adding a little tests for provider

---
 tests/test_providers.py | 44 +++++++++++++++++++++++++++++++++++++++--
 1 file changed, 42 insertions(+), 2 deletions(-)

diff --git a/tests/test_providers.py b/tests/test_providers.py
index 8062daa4..2e7e32f4 100644
--- a/tests/test_providers.py
+++ b/tests/test_providers.py
@@ -1,3 +1,43 @@
-"""
+"""Objects providers unittests."""
 
-"""
+import unittest2 as unittest
+
+from objects.providers import Provider
+from objects.providers import ProviderDelegate
+from objects.providers import NewInstance
+from objects.providers import Singleton
+from objects.providers import Scoped
+from objects.providers import ExternalDependency
+from objects.providers import Class
+from objects.providers import Object
+from objects.providers import Function
+from objects.providers import Value
+from objects.providers import Callable
+from objects.providers import Config
+
+from objects.utils import is_provider
+
+
+class ProviderTest(unittest.TestCase):
+
+    """Provider test cases."""
+
+    def test_init(self):
+        """Test creating and initialization."""
+        self.assertIsInstance(Provider(), Provider)
+
+    def test_is_provider(self):
+        """Test `is_provider` check."""
+        self.assertTrue(is_provider(Provider()))
+
+    def test_call(self):
+        """Test call."""
+        self.assertRaises(NotImplementedError, Provider().__call__)
+
+    def test_delegate(self):
+        """Test creating of provider delegation."""
+        provider = Provider()
+        delegate = provider.delegate()
+
+        self.assertIsInstance(delegate, ProviderDelegate)
+        self.assertIs(delegate.delegated, provider)