1 files changed, 26 insertions, 5 deletions
diff --git a/Library/Homebrew/cask/cmd/brew-cask-tests.rb b/Library/Homebrew/cask/cmd/brew-cask-tests.rb
index 92ef3ddd9..7ae71020e 100755
--- a/Library/Homebrew/cask/cmd/brew-cask-tests.rb
+++ b/Library/Homebrew/cask/cmd/brew-cask-tests.rb
@@ -1,5 +1,12 @@
 require "English"
 
+def run_tests(executable, files, args = [])
+  opts = []
+  opts << "--serialize-stdout" if ENV["CI"]
+
+  system "bundle", "exec", executable, *opts, "--", *args, "--", *files
+end
+
 repo_root = Pathname(__FILE__).realpath.parent.parent
 repo_root.cd do
   ENV["HOMEBREW_NO_ANALYTICS_THIS_RUN"] = "1"
@@ -9,12 +16,26 @@ repo_root.cd do
     system "bundle", "install", "--path", "vendor/bundle"
   end
 
-  test_task = "test"
-  %w[rspec minitest coverage].each do |subtask|
-    next unless ARGV.flag?("--#{subtask}")
-    test_task = "test:#{subtask}"
+  rspec = ARGV.flag?("--rspec") || !ARGV.flag?("--minitest")
+  minitest = ARGV.flag?("--minitest") || !ARGV.flag?("--rspec")
+
+  ENV["HOMEBREW_TESTS_COVERAGE"] = "1" if ARGV.flag?("--coverage")
+
+  if rspec
+    run_tests "parallel_rspec", Dir["spec/**/*_spec.rb"], %w[
+      --format progress
+      --format ParallelTests::RSpec::RuntimeLogger
+      --out tmp/parallel_runtime_rspec.log
+    ]
+  end
+
+  if minitest
+    run_tests "parallel_test", Dir["test/**/*_test.rb"]
+  end
+
+  if ENV["CODECOV_TOKEN"]
+    system "bundle", "exec", "rake", "test:coverage:upload"
   end
 
-  system "bundle", "exec", "rake", test_task
   Homebrew.failed = !$CHILD_STATUS.success?
 end