Chainsaw tests for PGO CLI version

Author: philrhurst

testing/chainsaw/e2e/version/chainsaw-test.yaml

@@ -0,0 +1,50 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/kyverno/chainsaw/main/.schemas/json/test-chainsaw-v1alpha1.json
+apiVersion: chainsaw.kyverno.io/v1alpha1
+kind: Test
+metadata:
+  creationTimestamp: null
+  name: version
+spec:
+  steps:
+  - name: step-00
+    try:
+    - script:
+        content: |
+          contains() { bash -ceu '[[ "$1" == *"$2"* ]]' - "$@"; }
+
+          VERSION_OUTPUT=$(kubectl pgo version)
+          { contains "${VERSION_OUTPUT}" "Client Version:"; } || {
+            echo "Expected: Client Version:*"
+            echo "Actual: ${VERSION_OUTPUT}"
+            exit 1
+          }
+    - script:
+        content: |
+          contains() { bash -ceu '[[ "$1" == *"$2"* ]]' - "$@"; }
+
+          OPERATOR_VERSION=$(
+              kubectl get crd postgresclusters.postgres-operator.crunchydata.com \
+                -o go-template='{{ index .metadata.labels "app.kubernetes.io/version" }}'
+          )
+
+          VERSION_OUTPUT=$(kubectl pgo version)
+
+          { contains "${VERSION_OUTPUT}" "Operator Version: v${OPERATOR_VERSION}"; } || {
+            echo "Expected: ${OPERATOR_VERSION}"
+            echo "Actual: ${VERSION_OUTPUT}"
+            exit 1
+          }
+  - name: step-01
+    try:
+    - script:
+        content: |
+          contains() { bash -ceu '[[ "$1" == *"$2"* ]]' - "$@"; }
+
+          VERSION_OUTPUT=$(KUBECONFIG=blah kubectl pgo version --client)
+
+          { contains "${VERSION_OUTPUT}" "Client Version:"; } || {
+            echo "Expected: Client Version:*"
+            echo "Actual: ${VERSION_OUTPUT}"
+            exit 1
+          }
+