Gather memory usage data in tests

Log memory stats after running each spec file and compile the report.

1 files changed, 22 insertions, 0 deletions

diff --git a/spec/support/helpers/test_env.rb b/spec/support/helpers/test_env.rb
index e63099d89b7..893b10ea752 100644
--- a/spec/support/helpers/test_env.rb
+++ b/spec/support/helpers/test_env.rb
@@ -2,6 +2,7 @@ require 'rspec/mocks'
 require 'toml-rb'
 
 module TestEnv
+  extend ActiveSupport::Concern
   extend self
 
   ComponentFailedToInstallError = Class.new(StandardError)
@@ -108,6 +109,12 @@ module TestEnv
     setup_forked_repo
   end
 
+  included do |config|
+    config.append_before do
+      set_current_example_group
+    end
+  end
+
   def disable_mailer
     allow_any_instance_of(NotificationService).to receive(:mailer)
       .and_return(double.as_null_object)
@@ -297,8 +304,23 @@ module TestEnv
     FileUtils.rm_rf(path)
   end
 
+  def current_example_group
+    Thread.current[:current_example_group]
+  end
+
+  # looking for a top-level `describe`
+  def topmost_example_group
+    example_group = current_example_group
+    example_group = example_group[:parent_example_group] until example_group[:parent_example_group].nil?
+    example_group
+  end
+
   private
 
+  def set_current_example_group
+    Thread.current[:current_example_group] = ::RSpec.current_example.metadata[:example_group]
+  end
+
   # These are directories that should be preserved at cleanup time
   def test_dirs
     @test_dirs ||= %w[