use pytest instead of nose

.gitignore

@@ -13,7 +13,6 @@ tests/.coverage
 .tox
 .coverage
 coverage.xml
-nosetests.xml
 
 # Common virtualenv names
 venv

README.rst

@@ -84,9 +84,9 @@ Running Tests
 ~~~~~~~~~~~~~
 You can run tests in all supported Python versions using ``tox``. By default,
 it will run all of the unit and functional tests, but you can also specify your own
-``nosetests`` options. Note that this requires that you have all supported
+``pytest`` options. Note that this requires that you have all supported
 versions of Python installed, otherwise you must pass ``-e`` or run the
-``nosetests`` command directly:
+``pytest`` command directly:
 
 .. code-block:: sh
 
@@ -98,7 +98,7 @@ You can also run individual tests with your default Python version:
 
 .. code-block:: sh
 
-    $ nosetests tests/unit
+    $ pytest tests/unit
 
 
 Getting Help

tests/functional/docs/test_smoke.py

@@ -10,7 +10,7 @@
 # distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
 # ANY KIND, either express or implied. See the License for the specific
 # language governing permissions and limitations under the License.
-from nose.tools import assert_true
+import pytest
 import botocore.session
 from botocore import xform_name
 from botocore.exceptions import DataNotFoundError
@@ -62,7 +62,7 @@ def test_docs_generated():
 
 def _assert_contains_lines_in_order(lines, contents):
     for line in lines:
-        assert_true(line in contents)
+        assert line in contents
         beginning = contents.find(line)
         contents = contents[(beginning + len(line)):]
 

tests/functional/test_smoke.py

@@ -10,7 +10,7 @@
 # distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
 # ANY KIND, either express or implied. See the License for the specific
 # language governing permissions and limitations under the License.
-from nose.tools import assert_true
+import pytest
 
 from boto3.session import Session
 import botocore.session
@@ -34,7 +34,7 @@ def _test_create_resource(session, service_name):
     resource = session.resource(service_name)
     # Verifying we have a "meta" attr is just an arbitrary
     # sanity check.
-    assert_true(hasattr(resource, 'meta'))
+    assert hasattr(resource, 'meta')
 
 
 def test_can_create_all_clients():
@@ -45,7 +45,7 @@ def test_can_create_all_clients():
 
 def _test_create_client(session, service_name):
     client = session.client(service_name)
-    assert_true(hasattr(client, 'meta'))
+    assert hasattr(client, 'meta')
 
 
 def test_api_versions_synced_with_botocore():

tests/unit/resources/test_collection_smoke.py

@@ -12,7 +12,7 @@
 # language governing permissions and limitations under the License.
 import botocore.session
 from botocore import xform_name
-from nose.tools import assert_false
+import pytest
 
 from boto3.session import Session
 from boto3.resources.model import ResourceModel
@@ -108,10 +108,10 @@ def _assert_collection_has_paginator_if_needed(
     # Make sure that if the operation looks paginated then there is
     # a paginator for the client to use for the collection.
     if not can_paginate_operation:
-        assert_false(
-            looks_paginated,
-            'Collection %s on resource %s of service %s uses the operation '
-            '%s, but the operation has no paginator even though it looks '
-            'paginated.' % (
-                collection_model.name, resource_name, service_name,
-                underlying_operation_name))
+        assert not\
+            looks_paginated,\
+            'Collection %s on resource %s of service %s uses the operation '\
+            '%s, but the operation has no paginator even though it looks '\
+            'paginated.' % (\
+                collection_model.name, resource_name, service_name,\
+                underlying_operation_name)