WIP: Attempt to add Travis CI support

.travis.yml

@@ -0,0 +1,18 @@
+# Borrowed from here ( https://www.tomaz.me/2013/12/02/running-travis-ci-tests-on-arm.html ).
+
+sudo: required
+
+language: c++
+
+env:
+  - ARCH=arm
+
+script:
+  - "bash -ex .travis_scripts/test_qemu.sh"
+
+notifications:
+  email:
+    on_success: always
+    on_failure: always
+    recipients:
+      - [email protected]

.travis_scripts/test_qemu.sh

@@ -0,0 +1,74 @@
+#!/bin/bash
+# Based on a test script from avsm/ocaml repo https://github.com/avsm/ocaml
+# Borrowed from here https://www.tomaz.me/2013/12/02/running-travis-ci-tests-on-arm.html
+
+CHROOT_DIR=/tmp/arm-chroot
+MIRROR=http://archive.raspbian.org/raspbian
+VERSION=wheezy
+CHROOT_ARCH=armhf
+
+# Debian package dependencies for the host
+HOST_DEPENDENCIES="debootstrap qemu-user-static binfmt-support sbuild"
+
+# Debian package dependencies for the chrooted environment
+GUEST_DEPENDENCIES="sudo curl python python-dev git"
+
+# Command used to run the tests
+# Try to pick up libmmal.so for picamera by specifying this path.
+TEST_COMMAND="python setup.py test"
+
+function setup_arm_chroot {
+    # Host dependencies
+    sudo apt-get update -y
+    sudo apt-get install -qq -y ${HOST_DEPENDENCIES}
+
+    # Create chrooted environment
+    sudo mkdir ${CHROOT_DIR}
+    sudo debootstrap --foreign --no-check-gpg --include=fakeroot,build-essential \
+        --arch=${CHROOT_ARCH} ${VERSION} ${CHROOT_DIR} ${MIRROR}
+    sudo cp /usr/bin/qemu-arm-static ${CHROOT_DIR}/usr/bin/
+    sudo chroot ${CHROOT_DIR} ./debootstrap/debootstrap --second-stage
+    sudo sbuild-createchroot --arch=${CHROOT_ARCH} --foreign --setup-only \
+        ${VERSION} ${CHROOT_DIR} ${MIRROR}
+
+    # Create file with environment variables which will be used inside chrooted
+    # environment
+    echo "export ARCH=${ARCH}" > envvars.sh
+    echo "export TRAVIS_BUILD_DIR=${TRAVIS_BUILD_DIR}" >> envvars.sh
+    chmod a+x envvars.sh
+
+    # Install dependencies inside chroot
+    sudo chroot ${CHROOT_DIR} apt-get update -y
+    sudo chroot ${CHROOT_DIR} apt-get upgrade -y
+    sudo chroot ${CHROOT_DIR} apt-get --allow-unauthenticated install \
+        -qq -y ${GUEST_DEPENDENCIES}
+    sudo chroot ${CHROOT_DIR} bash -c 'curl https://bootstrap.pypa.io/ez_setup.py | python'
+    sudo chroot ${CHROOT_DIR} bash -c 'curl https://bootstrap.pypa.io/get-pip.py | python'
+
+    # Create build dir and copy travis build files to our chroot environment
+    sudo mkdir -p ${CHROOT_DIR}/${TRAVIS_BUILD_DIR}
+    sudo rsync -av ${TRAVIS_BUILD_DIR}/ ${CHROOT_DIR}/${TRAVIS_BUILD_DIR}/
+
+    # Indicate chroot environment has been set up
+    sudo touch ${CHROOT_DIR}/.chroot_is_done
+
+    # Call ourselves again which will cause tests to run
+    sudo chroot ${CHROOT_DIR} bash -c "cd ${TRAVIS_BUILD_DIR} && bash .travis_scripts/test_qemu.sh"
+}
+
+if [ -e "/.chroot_is_done" ]; then
+  # We are inside ARM chroot
+  echo "Running inside chrooted environment"
+else
+  if [ "${ARCH}" = "arm" ]; then
+    # ARM test run, need to set up chrooted environment first
+    echo "Setting up chrooted ARM environment"
+    setup_arm_chroot
+  fi
+fi
+
+echo "Running tests"
+echo "Environment: $(uname -a)"
+
+export LIBRARY_PATH=/opt/vc/lib
+${TEST_COMMAND}

setup.py

@@ -91,7 +91,7 @@
     packages=find_packages(exclude=["tests*"]),
     cmdclass=versioneer.get_cmdclass(),
     install_requires=["picamera >=1.0", "RPi.GPIO >=0.5.11"],
-    tests_require=["nose", "mock"],
+    tests_require=["nose", "mock", "pbr <1.7.0"],
     test_suite="nose.collector",
     zip_safe=True
 )