Make JS lint & test run on Travis (#2894)

* Make JS lint & test run on Travis

* Update node version required

* 6, any latest node 6

* Travis node_version

* query node & npm versions

* last attempt, use nvm directly

.travis.yml

@@ -32,6 +32,7 @@ env:
   - RUN_DOCS="false"
   - TEST_OPTIONS=""
   - RUSTFLAGS="-D warnings"
+  - TRAVIS_NODE_VERSION="6"
   # GH_TOKEN for documentation
   - secure: 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
   - KCOV_CMD="./kcov-master/tmp/usr/local/bin/kcov"
@@ -41,6 +42,7 @@ cache:
   directories:
   - $TRAVIS_BUILD_DIR/target
   - $TRAVIS_BUILD_DIR/kcov-master
+  - $TRAVIS_BUILD_DIR/js/node_modules
   - $HOME/.cargo
 
 addons:
@@ -64,9 +66,14 @@ install:
       make && make install DESTDIR=../tmp &&
       cd
     )
+  - nvm install $TRAVIS_NODE_VERSION && nvm use $TRAVIS_NODE_VERSION && ./js/scripts/install-deps.sh
 
 script:
-  - if [ "$RUN_TESTS" = "true" ]; then ./test.sh $TEST_OPTIONS --verbose; fi
+  - if [ "$RUN_TESTS" = "true" ]; then
+      ./js/scripts/lint.sh &&
+      ./js/scripts/test.sh &&
+      ./test.sh $TEST_OPTIONS --verbose;
+    fi
   - if [ "$RUN_COVERAGE" = "true" ]; then ./scripts/cov.sh "$KCOV_CMD"; fi
 
 after_success: |

js/scripts/install-deps.sh

@@ -6,6 +6,8 @@ cd ..
 
 # install deps and store the exit code
 EXITCODE=0
+node --version
+npm --version
 npm install --progress=false || EXITCODE=1
 
 # back to root