test __str__ methods

Author: tamirse

tests/unit_tests/images/test_images.py

@@ -36,4 +36,6 @@ def test_images(http_client):
     assert images[0].image_type == 'ubuntu-20.04-cuda-11.0'
     assert type(images[0].details) == list
     assert images[0].details[0] == "Ubuntu 20.04"
-    assert images[0].details[1] == "CUDA 11.0"
+    assert images[0].details[1] == "CUDA 11.0"
+    assert type(images[0].__str__()) == str
+    

tests/unit_tests/instances/test_instances.py

@@ -262,6 +262,7 @@ def test_create_instance_successful(self, instances_service, endpoint):
         assert type(instance.storage) == dict
         assert responses.assert_call_count(endpoint, 1) is True
         assert responses.assert_call_count(url, 1) is True
+        assert type(instance.__str__()) == str
 
     def test_create_spot_instance_successful(self, instances_service, endpoint):
         # arrange - add response mock
@@ -421,7 +422,7 @@ def test_action_failed(self, instances_service, endpoint):
         assert excinfo.value.message == INVALID_REQUEST_MESSAGE
         assert responses.assert_call_count(url, 1) is True
 
-    def test_is_available_successful(self, instances_service, endpoint):
+    def test_is_available_successful(self, instances_service):
         # arrange - add response mock
         url = instances_service._http_client._base_url + '/instance-availability/' + INSTANCE_TYPE
         responses.add(
@@ -438,7 +439,7 @@ def test_is_available_successful(self, instances_service, endpoint):
         assert is_available is True
         assert responses.assert_call_count(url, 1) is True
 
-    def test_is_available_failed(self, instances_service, endpoint):
+    def test_is_available_failed(self, instances_service):
         # arrange - add response mock
         url = instances_service._http_client._base_url + '/instance-availability/x'
         responses.add(
@@ -455,4 +456,4 @@ def test_is_available_failed(self, instances_service, endpoint):
         # assert
         assert excinfo.value.code == INVALID_REQUEST
         assert excinfo.value.message == INVALID_REQUEST_MESSAGE
-        assert responses.assert_call_count(url, 1) is True
+        assert responses.assert_call_count(url, 1) is True

tests/unit_tests/volumes/test_volumes.py

@@ -223,6 +223,7 @@ def test_create_volume_successful(self, volumes_service, endpoint):
 
         # assert
         assert volume.id == NVME_VOL_ID
+        assert type(volume.__str__()) == str
 
     def test_create_volume_failed(self, volumes_service, endpoint):
         # arrange - add response mock