1 files changed, 19 insertions, 0 deletions
diff --git a/spec/support/shared_examples/helm_generated_script.rb b/spec/support/shared_examples/helm_generated_script.rb
new file mode 100644
index 00000000000..56e86a87ab9
--- /dev/null
+++ b/spec/support/shared_examples/helm_generated_script.rb
@@ -0,0 +1,19 @@
+shared_examples 'helm commands' do
+  describe '#generate_script' do
+    let(:helm_setup) do
+      <<~EOS
+         set -eo pipefail
+         ALPINE_VERSION=$(cat /etc/alpine-release | cut -d '.' -f 1,2)
+         echo http://mirror.clarkson.edu/alpine/v$ALPINE_VERSION/main >> /etc/apk/repositories
+         echo http://mirror1.hs-esslingen.de/pub/Mirrors/alpine/v$ALPINE_VERSION/main >> /etc/apk/repositories
+         apk add -U ca-certificates openssl >/dev/null
+         wget -q -O - https://kubernetes-helm.storage.googleapis.com/helm-v2.7.0-linux-amd64.tar.gz | tar zxC /tmp >/dev/null
+         mv /tmp/linux-amd64/helm /usr/bin/
+      EOS
+    end
+
+    it 'should return appropriate command' do
+      expect(subject.generate_script).to eq(helm_setup + commands)
+    end
+  end
+end