Added tests for get_variations and search_items

Author: sergioteula

tests/test_api_get_variations.py

@@ -0,0 +1,16 @@
+import unittest
+from unittest import mock
+
+from amazon_paapi import AmazonApi, models
+from amazon_paapi.helpers import requests
+
+
+class TestGetVariations(unittest.TestCase):
+    @mock.patch.object(requests, "get_variations_response")
+    def test_get_variations(self, mocked_get_variations_response):
+        mocked_response = models.VariationsResult()
+        mocked_response.items = []
+        mocked_get_variations_response.return_value = mocked_response
+        amazon = AmazonApi("key", "secret", "tag", "ES")
+        response = amazon.get_variations("ABCDEFGHIJ")
+        self.assertTrue(isinstance(response.items, list))

tests/test_api_search_items.py

@@ -0,0 +1,16 @@
+import unittest
+from unittest import mock
+
+from amazon_paapi import AmazonApi, models
+from amazon_paapi.helpers import requests
+
+
+class TestSearchItems(unittest.TestCase):
+    @mock.patch.object(requests, "get_search_items_response")
+    def test_search_items(self, mocked_get_search_items_response):
+        mocked_response = models.SearchResult()
+        mocked_response.items = []
+        mocked_get_search_items_response.return_value = mocked_response
+        amazon = AmazonApi("key", "secret", "tag", "ES")
+        response = amazon.search_items(keywords="test")
+        self.assertTrue(isinstance(response.items, list))