chore: add test-docker rule (#614)

Author: Bilal Boussayoud

Dockerfile

@@ -9,5 +9,7 @@ COPY setup.py .
 COPY requirements.txt .
 COPY README.md .
 COPY twilio ./twilio
+COPY tests ./tests
 
 RUN pip install .
+RUN pip install -r tests/requirements.txt

Makefile

@@ -1,4 +1,4 @@
-.PHONY: clean install analysis test test-install develop docs docs-install
+.PHONY: clean install analysis test test-install test-docker develop docs docs-install
 
 venv:
 	@python --version || (echo "Python is not installed, Python 3.6+"; exit 1);
@@ -10,6 +10,10 @@ install: venv
 test-install: install
 	. venv/bin/activate; pip install -r tests/requirements.txt
 
+test-docker:
+	docker build -t twilio/twilio-python .
+	docker run twilio/twilio-python pytest tests
+
 develop: venv
 	. venv/bin/activate; pip install -e . --use-mirrors
 	. venv/bin/activate; pip install -r tests/requirements.txt