diff --git a/sqlalchemy_jsonapi/unittests/__init__.py b/sqlalchemy_jsonapi/unittests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/sqlalchemy_jsonapi/unittests/models.py b/sqlalchemy_jsonapi/unittests/models.py
new file mode 100644
index 0000000..81fa49c
--- /dev/null
+++ b/sqlalchemy_jsonapi/unittests/models.py
@@ -0,0 +1,21 @@
+"""Model file for unit testing."""
+
+from sqlalchemy import Column, String, Integer
+from sqlalchemy.ext.declarative import declarative_base
+
+from sqlalchemy_jsonapi import JSONAPI
+
+
+Base = declarative_base()
+
+
+class User(Base):
+    """Simple user model."""
+
+    __tablename__ = 'users'
+    id = Column(Integer, primary_key=True)
+    first = Column(String(50), nullable=False)
+    last = Column(String(50), nullable=False)
+
+
+serializer = JSONAPI(Base)
diff --git a/sqlalchemy_jsonapi/unittests/test_serializer_post_collection.py b/sqlalchemy_jsonapi/unittests/test_serializer_post_collection.py
new file mode 100644
index 0000000..234a128
--- /dev/null
+++ b/sqlalchemy_jsonapi/unittests/test_serializer_post_collection.py
@@ -0,0 +1,44 @@
+"""Test for serializer's post_collection."""
+
+from sqlalchemy_jsonapi.unittests.utils import testcases
+from sqlalchemy_jsonapi.unittests.models import serializer
+
+
+class PostCollection(testcases.SqlalchemyJsonapiTestCase):
+    """Tests for serializer.post_collection."""
+
+    def test_201_resource_creation(self):
+        """Create resource object succesfully."""
+        payload = {
+            'data': {
+                'type': 'users',
+                'attributes': {
+                    'first': 'Sally',
+                    'last': 'Smith'
+                }
+            }
+        }
+        response = serializer.post_collection(self.session, payload, 'users')
+
+        expected_response = {
+            'data': {
+                'attributes': {
+                    'first': 'Sally',
+                    'last': 'Smith'
+                },
+                'id': 1,
+                'relationships': {},
+                'type': 'users'
+            },
+            'included': [],
+            'jsonapi': {
+                'version': '1.0'
+            },
+            'meta': {
+                'sqlalchemy_jsonapi_version': '4.0.9'
+            }
+        }
+
+        actual = response.data
+        self.assertEqual(expected_response, actual)
+        self.assertEqual(201, response.status_code)
diff --git a/sqlalchemy_jsonapi/unittests/utils/__init__.py b/sqlalchemy_jsonapi/unittests/utils/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/sqlalchemy_jsonapi/unittests/utils/testcases.py b/sqlalchemy_jsonapi/unittests/utils/testcases.py
new file mode 100644
index 0000000..5864052
--- /dev/null
+++ b/sqlalchemy_jsonapi/unittests/utils/testcases.py
@@ -0,0 +1,24 @@
+"""Testcases for sqlalchemy_jsonapi unittests."""
+
+import unittest
+
+from sqlalchemy_jsonapi.unittests.models import Base
+from sqlalchemy.orm import sessionmaker
+from sqlalchemy import create_engine
+
+
+class SqlalchemyJsonapiTestCase(unittest.TestCase):
+    """Base test case for all tests."""
+
+    def setUp(self, *args, **kwargs):
+        """Configure sqlalchemy and session."""
+        super(SqlalchemyJsonapiTestCase, self).setUp(*args, **kwargs)
+        self.engine = create_engine('sqlite://')
+        Session = sessionmaker(bind=self.engine)
+        self.session = Session()
+        Base.metadata.create_all(self.engine)
+
+    def tearDown(self, *args, **kwargs):
+        """Reset the sqlalchemy engine."""
+        super(SqlalchemyJsonapiTestCase, self).tearDown(*args, **kwargs)
+        Base.metadata.drop_all(self.engine)