1 files changed, 20 insertions, 0 deletions
diff --git a/spec/support/shared_examples/lib/gitlab/experimentation_shared_examples.rb b/spec/support/shared_examples/lib/gitlab/experimentation_shared_examples.rb
new file mode 100644
index 00000000000..5baa6478225
--- /dev/null
+++ b/spec/support/shared_examples/lib/gitlab/experimentation_shared_examples.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+RSpec.shared_examples 'tracks assignment and records the subject' do |experiment, subject_type|
+  it 'tracks the assignment', :experiment do
+    expect(experiment(experiment))
+      .to track(:assignment)
+      .with_context(subject_type => subject)
+      .on_next_instance
+
+    action
+  end
+
+  it 'records the subject' do
+    stub_experiments(experiment => :candidate)
+
+    expect(Experiment).to receive(:add_subject).with(experiment.to_s, variant: :experimental, subject: subject)
+
+    action
+  end
+end