[WIP]Add new test verifying helm charts versions

pkg/tests/ossm/operator/version_test.go

@@ -0,0 +1,41 @@
+package operator
+
+import (
+	"os/exec"
+	"strings"
+	"testing"
+
+	"github.com/maistra/maistra-test-tool/pkg/util/env"
+	"github.com/maistra/maistra-test-tool/pkg/util/pod"
+	"github.com/maistra/maistra-test-tool/pkg/util/test"
+)
+
+const EXPECTED_VERSION = "v2.5" // Replace with the expected version
+
+func TestVersion(t *testing.T) {
+	test.NewTest(t).Run(func(t test.TestHelper) {
+		t.Log("Test to verify helm chart version matches expected version")
+
+		operatorPod := pod.MatchingSelector("name=istio-operator", env.GetOperatorNamespace())
+		if operatorPod == nil {
+			t.Fatalf("Failed to find istio-operator pod in namespace %s", env.GetOperatorNamespace())
+		}
+
+		cmd := exec.Command("kubectl", "exec", "deploy/istio-operator", "-n", env.GetOperatorNamespace(),
+			"--", "cat", "/usr/local/share/istio-operator/helm/", env.GetSMCPVersion().String(),
+			"/istio-control/istio-discovery/templates/deployment.yaml", "|", "grep", "maistra-version", "|", "awk", "'{print $2}'")
+
+		outputBytes, err := cmd.Output()
+		if err != nil {
+			t.Fatalf("Failed to execute command: %v", err)
+		}
+
+		output := strings.TrimSpace(string(outputBytes))
+
+		if output != EXPECTED_VERSION {
+			t.Fatalf("Version mismatch: expected %s, got %s", EXPECTED_VERSION, output)
+		}
+
+		t.Logf("Version matches expected version: %s", EXPECTED_VERSION)
+	})
+}

pkg/util/env/env.go

@@ -107,3 +107,7 @@ func GetOutputDir() string {
 func IsMetalLBInternalIPEnabled() bool {
 	return getenv("METALLB_INTERNAL_IP_ENABLED", "false") == "true"
 }
+
+func GetExpectedVersion() string {
+	return getenv("EXPECTED_VERSION", "")
+}

scripts/runtests.sh

@@ -30,6 +30,17 @@ runTestsAgainstVersion() {
         echo "ERROR: must specify version in SMCP_VERSION env var"
         exit 1
     fi
+
+    unset EXPECTED_VERSION
+
+    if [ -n "$EXPECTED_VERSIONS" ]; then 
+        for version in "${EXPECTED_VERSIONS[@]}"; do
+            if [[ "$version" == "$SMCP_VERSION"* ]]; then
+                export EXPECTED_VERSION="$version"
+                break
+            fi
+        done
+    fi
 
     echo "Output dir: $OUTPUT_DIR"
     mkdir -p "$OUTPUT_DIR"