Use TEST_SUITE env var to drive specs

.travis.yml

@@ -1,26 +1,18 @@
-matrix:
-  include:
-  - name: "Node.js: 12"
-    language: node_js
-    cache: yarn
-    node_js:
-    - '12' # current stable
-    script: yarn test --runInBand
-  - name: "Ruby: 2.5.8"
-    language: ruby
-    cache: bundler
-    rvm:
-    - 2.5.8
-    addons:
-      postgresql: '10'
-    install: bin/setup
-    after_script: bin/ci/after_script
-  - name: "Ruby: 2.6.6"
-    language: ruby
-    rvm:
-    - 2.6.6
-    cache: bundler
-    addons:
-      postgresql: '10'
-    install: bin/setup
-    after_script: bin/ci/after_script
+---
+language: ruby
+rvm:
+- 2.5.8
+- 2.6.6
+node_js: 12
+cache:
+  bundler: true
+  yarn: true
+addons:
+  postgresql: '10'
+env:
+  matrix:
+  - TEST_SUITE=spec:rails
+  - TEST_SUITE=spec:javascript
+before_install: source bin/ci/before_install.sh
+install: bin/setup
+before_script: source bin/ci/before_script.sh

bin/ci/before_install.sh

@@ -0,0 +1,8 @@
+if [ "$TEST_SUITE" = "spec:javascript" ]; then
+  # Check if `nvm` is available as a command or bash function
+  type nvm
+  if [ $? -ne 0 ]; then . ~/.nvm/nvm.sh; fi
+
+  nvm install 12
+  yarn
+fi

bin/ci/before_script.sh

@@ -0,0 +1,5 @@
+# not spec, and not cross repo
+if [ "$TEST_SUITE" = "spec:javascript" ]; then
+  # make sure yarn is installed, in the right version
+  npm install -g yarn
+fi

lib/tasks_private/spec.rake

@@ -1,9 +1,19 @@
 namespace :spec do
   desc "Setup environment specs"
   task :setup => ["app:test:vmdb:setup"]
+
+  RSpec::Core::RakeTask.new(:rails => :setup) do |t|
+    EvmTestHelper.init_rspec_task(t)
+  end
+
+  desc "Run javascript tests"
+  task :javascript => :environment do
+    system('yarn test --runInBand')
+    exit $?.exitstatus
+  end
 end
 
-desc "Run all specs"
-RSpec::Core::RakeTask.new(:spec => 'app:test:spec_deps') do |t|
-  EvmTestHelper.init_rspec_task(t)
+task :spec do
+  test_suite = ENV["TEST_SUITE"] || "spec:rails"
+  Rake::Task[test_suite].invoke
 end