[tests] Add unit tests with pytest

.drone.yml

@@ -12,7 +12,7 @@ steps:
   image: eeacms/pylint
   commands:
   - pip install -r requirements.txt
-  - pylint *.py
+  - pylint beer/*.py tests/*.py
 
 - name: docker lint
   image: hadolint/hadolint
@@ -29,6 +29,20 @@ steps:
   commands:
   - mdl --style all --warnings .
 
+---
+kind: pipeline
+name: unit tests
+
+steps:
+- name: unit test
+  image: python:slim
+  commands:
+  - pip install -r requirements.txt
+  - python -m pytest tests
+
+depends_on:
+- lint
+
 ---
 kind: pipeline
 name: build
@@ -45,7 +59,7 @@ steps:
       from_secret: dockerhub_password
 
 depends_on:
-- lint
+- unit tests
 
 ---
 kind: pipeline

Dockerfile

@@ -1,8 +1,8 @@
 FROM python:slim
 
 RUN pip install flask
-COPY beer.py /beer.py
-COPY templates /templates
+COPY /beer/beer.py /beer.py
+COPY /beer/templates /templates
 EXPOSE 5000
 
 CMD ["python", "/beer.py"]

requirements.txt

@@ -1 +1,2 @@
 Flask
+pytest

tests/test_beer.py

@@ -0,0 +1,23 @@
+# pylint: disable=no-name-in-module, redefined-outer-name
+""" Unit tests """
+
+import pytest
+
+from beer import beer
+
+
+@pytest.fixture
+def client():
+    """ create flask app """
+
+    beer.app.config['TESTING'] = True
+    with beer.app.test_client() as client:
+        yield client
+
+
+def test_slash(client):
+    """Test wiwth no param"""
+
+    response = client.get('/')
+    assert response.status_code == 200
+    assert b'<title>beer</title>' in response.data