Add support for running tests in a Docker container

Dockerfile

@@ -0,0 +1,37 @@
+FROM ubuntu:trusty
+
+RUN apt-get update && apt-get install -y tar curl git
+RUN apt-get install -y make build-essential libssl-dev zlib1g-dev libbz2-dev \
+ libreadline-dev libsqlite3-dev wget curl llvm libncurses5-dev
+
+RUN git clone https://github.com/yyuu/pyenv.git /root/.pyenv \
+ && echo 'eval "$(pyenv init -)"' >> /root/.bash_profile
+
+ENV PYENV_ROOT /root/.pyenv
+ENV PATH $PYENV_ROOT/bin:/pyenv/venv/bin:$PATH
+
+RUN mkdir /pyenv
+WORKDIR /pyenv
+
+ADD .python-version .python-version
+ADD requirements.txt requirements.txt
+ADD dev-requirements.txt dev-requirements.txt
+
+RUN . ~/.bash_profile \
+ && pyenv install --skip-existing \
+ && pyenv rehash \
+ && pip install virtualenv \
+ && ([ -d venv ] || virtualenv venv) \
+ && . venv/bin/activate \
+ && pip install -r requirements.txt \
+ && pip install -r dev-requirements.txt
+
+RUN mkdir /reppy
+WORKDIR /reppy
+
+ADD . .
+
+RUN git submodule update --init --recursive
+
+CMD make test
+

Makefile

@@ -2,6 +2,10 @@
 test: reppy/robots.so
  nosetests --with-coverage tests
 
+test-docker:
+ docker build -t reppy-tests . && docker run --rm reppy-tests
+ docker rmi reppy-tests
+
 reppy/%.so: reppy/%.py* reppy/rep-cpp/src/* reppy/rep-cpp/include/* reppy/rep-cpp/deps/url-cpp/include/* reppy/rep-cpp/deps/url-cpp/src/*
  python setup.py build_ext --inplace
 

README.md

@@ -181,11 +181,18 @@ Tests may be run in `vagrant`:
 make test
 ```
 
+Alternatively, they may be run in a Docker container:
+
+```bash
+make docker-test
+```
+
 Development
 ===========
 
 Environment
 -----------
+
 To launch the `vagrant` image, we only need to
 `vagrant up` (though you may have to provide a `--provider` flag):
 
@@ -202,12 +209,25 @@ make test
 
 Running Tests
 -------------
+
+### Vagrant
+
 Tests are run with the top-level `Makefile`:
 
 ```bash
 make test
 ```
 
+### Docker
+
+To use Docker to run the tests, you only need to run `make test-docker` on your local machine:
+
+```bash
+make test-docker
+```
+
+This will build an image, run the tests in a container, then delete the container and image.
+
 PRs
 ===
 These are not all hard-and-fast rules, but in general PRs have the following expectations: