Add support for testing with Docker

brainzutils/test/test_cache.py

@@ -2,11 +2,12 @@
 from brainzutils import cache
 import unittest
 import datetime
+import os
 
 
 class CacheTestCase(unittest.TestCase):
     """Testing our custom wrapper for memcached."""
-    host = "localhost"
+    host = os.environ.get("REDIS_HOST", "localhost")
     port = 6379
     namespace = "NS_TEST"
 

requirements_dev.txt

@@ -1,2 +1,2 @@
-pytest==2.9.2
-pytest-cov==2.2.1
+pytest==3.0.5
+pytest-cov==2.4.0

test/Dockerfile.py2

@@ -0,0 +1,23 @@
+FROM metabrainz/python:2.7
+
+ENV DOCKERIZE_VERSION v0.2.0
+RUN wget https://github.com/jwilder/dockerize/releases/download/$DOCKERIZE_VERSION/dockerize-linux-amd64-$DOCKERIZE_VERSION.tar.gz \
+    && tar -C /usr/local/bin -xzvf dockerize-linux-amd64-$DOCKERIZE_VERSION.tar.gz
+
+RUN mkdir /code
+WORKDIR /code
+
+# Python dependencies
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+                       build-essential \
+                       git
+COPY . /code/
+RUN pip install -r requirements.txt
+RUN pip install -r requirements_dev.txt
+
+ENV REDIS_HOST "redis"
+
+CMD dockerize -wait tcp://redis:6379 -timeout 10s \
+    py.test --junitxml=/data/test_report.xml \
+            --cov-report xml:/data/coverage.xml

test/Dockerfile.py3

@@ -0,0 +1,23 @@
+FROM metabrainz/python:3.5
+
+ENV DOCKERIZE_VERSION v0.2.0
+RUN wget https://github.com/jwilder/dockerize/releases/download/$DOCKERIZE_VERSION/dockerize-linux-amd64-$DOCKERIZE_VERSION.tar.gz \
+    && tar -C /usr/local/bin -xzvf dockerize-linux-amd64-$DOCKERIZE_VERSION.tar.gz
+
+RUN mkdir /code
+WORKDIR /code
+
+# Python dependencies
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+                       build-essential \
+                       git
+COPY . /code/
+RUN pip install -r requirements.txt
+RUN pip install -r requirements_dev.txt
+
+ENV REDIS_HOST "redis"
+
+CMD dockerize -wait tcp://redis:6379 -timeout 10s \
+    py.test --junitxml=/data/test_report.xml \
+            --cov-report xml:/data/coverage.xml

test/docker-compose.py2.yml

@@ -0,0 +1,13 @@
+# Docker Compose file for testing with Python 2
+version: "2"
+services:
+
+  test:
+    build:
+      context: ..
+      dockerfile: ./test/Dockerfile.py2
+    links:
+      - redis
+
+  redis:
+    image: redis:3.2.1

test/docker-compose.py3.yml

@@ -0,0 +1,13 @@
+# Docker Compose file for testing with Python 3
+version: "2"
+services:
+
+  test:
+    build:
+      context: ..
+      dockerfile: ./test/Dockerfile.py3
+    links:
+      - redis
+
+  redis:
+    image: redis:3.2.1