Merge knapsack reports and upload them to external server

.gitlab-ci.yml

@@ -28,6 +28,7 @@ before_script:
 stages:
 - prepare
 - test
+- post-test
 - notifications
 
 prepare:
@@ -36,7 +37,7 @@ prepare:
     USE_DB: "false"
   script:
     - bundle exec rake assets:precompile
-    - mkdir knapsack/
+    - mkdir -p knapsack/
     - echo "{}" > knapsack/rspec_report.json
     - echo "{}" > knapsack/spinach_report.json
   artifacts:
@@ -57,6 +58,22 @@ prepare:
     paths:
     - knapsack/
 
+post-tests:
+  stage: post-test
+  variables:
+    USE_DB: "false"
+  script:
+    - scripts/merge-reports knapsack/rspec_report.json knapsack/rspec_node_*.json
+    - scripts/merge-reports knapsack/spinach_report.json knapsack/spinach_node_*.json
+    - rm -f knapsack/*_node_*.json
+  cache:
+    key: "knapsack"
+    paths:
+    - knapsack/
+  artifacts:
+    paths:
+    - knapsack/
+
 .exec: &exec
   stage: test
   script:

scripts/merge-reports

@@ -0,0 +1,29 @@
+#!/usr/bin/env ruby
+
+require 'json'
+require 'yaml'
+
+main_report_file = ARGV.shift
+unless main_report_file
+  puts 'usage: merge_reports <main-report> [extra reports...]'
+  exit 1
+end
+
+puts "Loading #{main_report_file}..."
+main_report = JSON.parse(File.read(main_report_file))
+new_report = main_report.dup
+
+ARGV.each do |report_file|
+  report = JSON.parse(File.read(report_file))
+
+  # Remove existing values
+  updates = report.delete_if do |key, value|
+    main_report[key] && main_report[key] == value
+  end
+  new_report.merge!(updates)
+
+  puts "Merged #{report_file} adding #{updates.size} results."
+end
+
+File.write(main_report_file, JSON.pretty_generate(new_report))
+puts "Saved #{main_report_file}."