Add the parallel-ci script

bullet-train-co · Oct 17, 2023 · 68815f9 · 68815f9
1 parent a9656e7
commit 68815f9
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/bin/parallel-ci b/bin/parallel-ci
@@ -0,0 +1,15 @@
+#!/usr/bin/env ruby
+
+sha = ENV['GITHUB_SHA'] || `git rev-parse HEAD`
+node_total = ENV["CI_NODE_TOTAL"] || 1
+node_index = ENV["CI_NODE_INDEX"] || 0
+tests = Dir["test/**/*_test.rb"].
+  sort.
+  # Add randomization seed based on SHA of each commit
+  shuffle(random: Random.new(sha.to_i(16))).
+  select.
+  with_index do |el, i|
+    i % node_total.to_i == node_index.to_i
+  end
+
+exec "bundle exec rails test #{tests.join(" ")}"