Adding Travis CI integration

Author: Christiane Ruetten

.travis.yml

@@ -0,0 +1,20 @@
+sudo: required
+os:
+  - linux
+# OS X python is currently broken due to SSL include problems
+# See
+  - osx
+dist: trusty
+
+language: generic
+
+# build dependencies
+install:
+  - pwd
+  - ls -alR
+  - bootstrap/bootstrap.sh
+  # Fix openssl / python hashlib on OS X Travis CI
+  - if which brew &>/dev/null ; then export LDFLAGS=-L/usr/local/opt/openssl/lib CPPFLAGS=-I/usr/local/opt/openssl/include PKG_CONFIG_PATH=/usr/local/opt/openssl/lib/pkgconfig ; fi
+
+# command to run tests, takes care of python dependencies
+script: python setup.py test

README.md

@@ -1,5 +1,7 @@
 # TLS Canary
 
+[![Build Status](https://travis-ci.org/mozilla/tls-canary.svg?branch=master)](https://travis-ci.org/mozilla/tls-canary)
+[![License](https://img.shields.io/badge/license-MPL2-blue.svg)](https://raw.githubusercontent.com/mozilla/tls-canary/master/LICENSE.txt)
 [![PyPI Package version](https://badge.fury.io/py/tlscanary.svg)](https://pypi.python.org/pypi/tlscanary)
 
 TLS Canary is a [TLS/SSL](https://en.wikipedia.org/wiki/Transport_Layer_Security) testing framework for the
@@ -43,9 +45,12 @@ The script may or may not work for your other favourite Debian-based distributio
 ### Dependencies for Mac users
 Assuming that your're using [Homebrew](https://brew.sh/) for package management, this should set you up:
 ```
-brew install python p7zip go openssl libffi
+brew install openssl libffi python p7zip go
 ```
 
+The script [osx_bootstrap.sh](bootstrap/osx_bootstrap.sh) provides bootstrapping for Travis CI's Mac OS X instances
+using homebrew for package management. It may work for your OS X desktop environment as well.
+
 ### Dependencies for Windows users
 Windows support targets **PowerShell 5.1** on **Windows 10**. Windows 7 and 8 are generally able to run TLS Canary,
 but expect minor unicode encoding issues in terminal logging output.

bootstrap/bootstrap.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+if which apt-get &>/dev/null
+then
+	echo "Bootstrapping for Linux / apt-get"
+	echo "sudo required"
+	sudo $(dirname "$0")/linux_bootstrap.sh
+elif which brew &>/dev/null
+then
+	echo "Bootstrapping for Mac OS X / Homebrew"
+	$(dirname "$0")/osx_bootstrap.sh
+else
+	echo "ERROR: can't provide automatic bootstrapping"
+	exit 5
+fi

bootstrap/osx_bootstrap.sh

@@ -0,0 +1,7 @@
+#/bin/bash
+
+brew ls --versions openssl || brew install openssl
+brew ls --versions libffi || brew install libffi
+brew ls --versions python || brew install python
+brew ls --versions p7zip || brew install p7zip
+brew ls --versions go || brew install go