Make CircleCI build and test the Jekyll site.

Author: meiamsome

.circleci/config.yml

@@ -7,7 +7,7 @@ jobs:
   build:
     docker:
       # specify the version you desire here
-      - image: circleci/node:9
+      - image: starefossen/ruby-node:2-10
 
     steps:
       - checkout
@@ -18,3 +18,14 @@ jobs:
       - run: cd unit_testing && npm test
 
       # TODO: add caching to speed things up.
+      - run:
+          name: Jekyll deps
+          command: bundle install
+
+      - run:
+          name: Build
+          command: bundle exec jekyll build --verbose
+
+      - run:
+          name: Test
+          command: bundle exec htmlproofer ./_site --assume-extension --check-html --disable-external

Gemfile

@@ -1,5 +1,5 @@
 source "https://rubygems.org"
-  
+
 # Hello! This is where you manage which Jekyll version is used to run.
 # When you want to use a different version, change it below, save the
 # file and run `bundle install`. Run Jekyll with `bundle exec`, like so:
@@ -16,3 +16,6 @@ end
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
+
+# HTML Checking
+gem 'html-proofer'

_config.yml

@@ -45,7 +45,7 @@ links:
 markdown: kramdown
 
 # Exclude code for Node.js and Q_and_A
-exclude: [ 'Node', 'Q_and_A' ]
+exclude: [ 'Node', 'Q_and_A', 'unit_testing', 'node_modules' ]
 
 # Include future videos (used for 'Upcoming Streams' section).
 future: true