1 files changed, 16 insertions, 0 deletions
diff --git a/spec/features/projects/clusters/interchangeability_spec.rb b/spec/features/projects/clusters/interchangeability_spec.rb
new file mode 100644
index 00000000000..01f9526608f
--- /dev/null
+++ b/spec/features/projects/clusters/interchangeability_spec.rb
@@ -0,0 +1,16 @@
+require 'spec_helper'
+
+feature 'Interchangeability between KubernetesService and Platform::Kubernetes' do
+  EXCEPT_METHODS = %i[test title description help fields initialize_properties namespace namespace= api_url api_url=].freeze
+  EXCEPT_METHODS_GREP_V = %w[_touched? _changed? _was].freeze
+
+  it 'Clusters::Platform::Kubernetes covers core interfaces in KubernetesService' do
+    expected_interfaces = KubernetesService.instance_methods(false)
+    expected_interfaces = expected_interfaces - EXCEPT_METHODS
+    EXCEPT_METHODS_GREP_V.each do |g|
+      expected_interfaces = expected_interfaces.grep_v(/#{Regexp.escape(g)}\z/)
+    end
+
+    expect(expected_interfaces - Clusters::Platforms::Kubernetes.instance_methods).to be_empty
+  end
+end