Add travis tests

.travis.yml

@@ -0,0 +1,27 @@
+# No language: we download vim and compile it oursselves
+language: generic
+
+cache:
+  # Enable cache folder
+  bundler: true
+  directories:
+    - $HOME/docker_images
+
+before_cache:
+  # Save tagged docker images. Info at https://github.com/travis-ci/travis-ci/issues/5358#issuecomment-248915326
+  - >
+    mkdir -p $HOME/docker_images && docker images -a --filter='dangling=false' --format '{{.Repository}}:{{.Tag}} {{.ID}}'
+    | xargs -n 2 -t sh -c 'test -e $HOME/docker_images/$1.tar.gz || docker save $0 | gzip -2 > $HOME/docker_images/$1.tar.gz'
+
+before_install:
+  # Install docker
+  - n_image=$(ls -1 $HOME/docker_images/*.tar.gz | wc -l)
+  - if (( $n_image )); then ls $HOME/docker_images/*.tar.gz | xargs -I {file} sh -c "zcat {file} | docker load";
+    else docker build --tag vimwiki .;
+    fi
+
+script:
+  # Run All tests
+  - pushd test
+  - bash run_tests.sh
+  - popd

Dockerfile

@@ -14,10 +14,11 @@ WORKDIR /vader
 RUN git checkout de8a976f1eae2c2b680604205c3e8b5c8882493c
 
 # build vim and neovim versions we want to test
+# TODO uncomment nvim tag
 WORKDIR /
 RUN install_vim -tag v7.3.429 -name vim_7.3.429 -build \
                 -tag v7.4.1099 -name vim_7.4.1099 -build \
                 -tag v7.4.1546 -name vim_7.4.1546 -build \
                 -tag v8.0.0027 -name vim_8.0.0027 -build \
                 -tag v8.1.0519 -name vim_8.1.0519 -build \
-                -tag neovim:v0.3.8 -name nvim_0.3.8 -build \
+                # -tag neovim:v0.3.8 -name nvim_0.3.8 -build \