Update .travis.yml

.travis.yml

@@ -19,9 +19,17 @@ addons:
       - libgtk-3-dev
       - xauth
       - xvfb
+      
+dist: trusty
 
 sudo: required
+
+services:
+  - docker
+  
 before_install:
+  - echo "**** pulling Docker image"
+  - docker pull tkpapp/texlive-julia-minimal
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then pwd ; fi
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then ./test/install_wkhtmltoimage.sh ; fi
 
@@ -29,6 +37,8 @@ notifications:
   email: true
 
 script:
+  - echo "**** running Docker"
+  - docker run --env-file travis_docker_env.list -t -a STDOUT -a STDIN -a STDERR -v $PWD:/mnt tkpapp/texlive-julia-minimal /mnt/travis_docker_test_script.sh $TRAVIS_JULIA_VERSION
   - if [[ -a .git/shallow ]]; then git fetch --unshallow; fi
   - if [[ `uname` = "Linux" ]]; then TESTCMD="xvfb-run julia"; else TESTCMD="julia"; fi
   - $TESTCMD -e 'using Pkg; Pkg.build(); Pkg.test(coverage=true)'

travis_docker_env.list

@@ -0,0 +1,9 @@
+# environment variables that are passed from Travis to Docker
+DOCUMENTER_KEY
+TRAVIS_BRANCH
+TRAVIS_PULL_REQUEST
+TRAVIS_REPO_SLUG
+TRAVIS_TAG
+TRAVIS_OS_NAME
+TRAVIS_JULIA_VERSION
+JULIA_PROJECT

travis_docker_test_script.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+JULIAVER=$1                     # the first and only argument to the script is the version
+JULIABIN=/test/julia-$JULIAVER/bin/julia
+
+## install the image (when necessary)
+/test/install-julia.sh $JULIAVER
+
+cd /mnt && if [[ -a .git/shallow ]]; then git fetch --unshallow; fi
+
+# run tests
+$JULIABIN -e "import Pkg; Pkg.build(); Pkg.test(; coverage=true)"