Take screenshots during system tests, upload to Google Cloud storage, and append to Dangerbot output

.travis.yml

@@ -33,16 +33,15 @@ install:
   - docker-compose exec web bash -c "rake db:setup"
   - docker-compose exec web bash -c "rake db:migrate"
   - docker-compose exec web bash -c "rake assets:precompile"
-  - 'if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then gem install danger danger-junit; fi'
+  - 'if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then bash -c "docker-compose exec web gem install danger danger-junit google-cloud-storage"; fi'
 
 script:
+  - docker-compose exec web bash -c 'echo "$GOOGLE_APPLICATION_CREDENTIALS_JSON" > /tmp/credentials.json' # needs to be a path to a json file, so we shuffle...
   - docker-compose exec web bash -c "CI=TRUE GENERATE_REPORT=true $TASK"
-  - | 
-    if [ $TASK != "rake test:all" ]; then
+  - if [ $TASK != "rake test:all" ]; then
       echo -e '<?xml version="1.0" encoding="UTF-8"?>' > output.xml;
       tail -n +2 -q ./test/reports/TEST*.xml >> output.xml;
     fi
-  - |
-    if [ $TRAVIS_PULL_REQUEST != "false"; then
-      danger --verbose;
+  - if [ $TRAVIS_PULL_REQUEST != "false" ]; then
+      docker-compose exec web danger --verbose;
     fi

Dangerfile

@@ -61,3 +61,20 @@ rescue => ex
   fail "There was an error with Danger bot's Junit parsing: #{ex.message}"
   message ex.inspect # view the entire error output in the log
 end
+
+# Store screenshots in Google Cloud
+require "google/cloud/storage"
+storage = Google::Cloud::Storage.new project_id: "public-lab"
+bucket  = storage.bucket "plots2-screenshots"
+Encoding.default_external = 'UTF-8'
+
+images = []
+Dir.glob('tmp/screenshots/*') do |item|
+  file = bucket.create_file item, github.pr_json["number"].to_s + "-" + images.length.to_s + ".png"
+  file.acl.public!
+  message "Uploaded #{file.name} at #{file.public_url} from #{item.inspect}"
+  images << "<h3>#{file.name}</h3><p><img src='#{file.public_url}' /></p>"
+end
+
+screenshots = "<details><summary>Screenshots :camera_flash: (click to expand)</summary>" + images.join + "</details>"
+markdown(screenshots)

Gemfile

@@ -16,6 +16,7 @@ gem 'gemoji'
 gem 'geocoder'
 gem 'geokit-rails'
 gem 'georuby', '2.0'
+gem "google-cloud-storage"
 gem 'grape'
 gem 'grape-entity'
 gem 'grape-swagger', '~> 0.32.1'

containers/docker-compose-testing.yml

@@ -27,6 +27,22 @@ services:
       - RAILS_ENV=${RAILS_ENV}
       - SECRET_KEY_BASE=${SECRET_KEY_BASE}
       - REDIS_URL=redis://redis:6379/0
+      - DANGER_GITHUB_API_TOKEN=${DANGER_GITHUB_API_TOKEN}
+      - TRAVIS_PULL_REQUEST=${TRAVIS_PULL_REQUEST}
+      - TRAVIS_REPO_SLUG=${TRAVIS_REPO_SLUG}
+      - CI=${CI}
+      - TRAVIS=${TRAVIS}
+      - CONTINUOUS_INTEGRATION=${CONTINUOUS_INTEGRATION}
+      - HAS_JOSH_K_SEAL_OF_APPROVAL=${HAS_JOSH_K_SEAL_OF_APPROVAL}
+      - GITHUB_ACTION=${GITHUB_ACTION}
+      - GITHUB_TOKEN=${GITHUB_TOKEN}
+      - GITHUB_REPOSITORY=${GITHUB_REPOSITORY}
+      - GITHUB_EVENT_PATH=${GITHUB_EVENT_PATH}
+      - GITHUB_EVENT_NAME=${GITHUB_EVENT_NAME}
+      - GOOGLE_CLOUD_KEYFILE_JSON=${GOOGLE_CLOUD_KEYFILE_JSON}
+      - GOOGLE_APPLICATION_CREDENTIALS=${GOOGLE_APPLICATION_CREDENTIALS}
+      - GOOGLE_APPLICATION_CREDENTIALS_JSON=${GOOGLE_APPLICATION_CREDENTIALS_JSON}
+      - QT_QPA_PLATFORM=${QT_QPA_PLATFORM}
     links:
       - redis
     volumes:

test/system/screenshots_test.rb

@@ -0,0 +1,17 @@
+require "application_system_test_case"
+# https://guides.rubyonrails.org/testing.html#implementing-a-system-test
+
+class ScreenshotsTest < ApplicationSystemTestCase
+  test 'front page with navbar search autocomplete' do
+    visit '/'
+
+    fill_in("searchform_input", with: "Canon")
+
+    take_screenshot # remove this later
+    # we set RAILS_SYSTEM_TESTING_SCREENSHOT to 'inline', could be 'artifact' too... see Rails API guide
+
+    assert_selector ".typeahead li", text: "Canon A1200 IR conversion at PLOTS Barnraising at LUMCON", wait: 10
+
+    take_screenshot
+  end
+end