[WIP] feat: add helm unit tests

Makefile

@@ -305,3 +305,74 @@ endef
 define gomodver
 $(shell go list -m -f '{{if .Replace}}{{.Replace.Version}}{{else}}{{.Version}}{{end}}' $(1) 2>/dev/null)
 endef
+
+##@ Helm Deployment
+
+## Helm binary to use for deploying the chart
+HELM ?= helm
+## Namespace to deploy the Helm release
+HELM_NAMESPACE ?= mcp-lifecycle-operator-system
+## Name of the Helm release
+HELM_RELEASE ?= mcp-lifecycle-operator
+## Path to the Helm chart directory
+HELM_CHART_DIR ?= dist/chart
+## Additional arguments to pass to helm commands
+HELM_EXTRA_ARGS ?=
+
+.PHONY: install-helm
+install-helm: ## Install the latest version of Helm.
+	@command -v $(HELM) >/dev/null 2>&1 || { \
+		echo "Installing Helm..." && \
+		curl -fsSL https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-4 | bash; \
+	}
+
+.PHONY: helm-deploy
+helm-deploy: install-helm ## Deploy manager to the K8s cluster via Helm. Specify an image with IMG.
+	$(HELM) upgrade --install $(HELM_RELEASE) $(HELM_CHART_DIR) \
+		--namespace $(HELM_NAMESPACE) \
+		--create-namespace \
+		--set manager.image.repository=$${IMG%:*} \
+		--set manager.image.tag=$${IMG##*:} \
+		--wait \
+		--timeout 5m \
+		$(HELM_EXTRA_ARGS)
+
+.PHONY: helm-uninstall
+helm-uninstall: ## Uninstall the Helm release from the K8s cluster.
+	$(HELM) uninstall $(HELM_RELEASE) --namespace $(HELM_NAMESPACE)
+
+.PHONY: helm-status
+helm-status: ## Show Helm release status.
+	$(HELM) status $(HELM_RELEASE) --namespace $(HELM_NAMESPACE)
+
+.PHONY: helm-history
+helm-history: ## Show Helm release history.
+	$(HELM) history $(HELM_RELEASE) --namespace $(HELM_NAMESPACE)
+
+.PHONY: helm-rollback
+helm-rollback: ## Rollback to previous Helm release.
+
+##@ Helm Testing
+
+## Helm unittest plugin version
+HELM_UNITTEST_VERSION ?= 0.6.2
+
+.PHONY: install-helm-unittest
+install-helm-unittest: install-helm ## Install helm-unittest plugin if not already installed.
+	@$(HELM) plugin list | grep -q unittest || { \
+		echo "Installing helm-unittest plugin..." && \
+		$(HELM) plugin install https://github.com/helm-unittest/helm-unittest.git --version $(HELM_UNITTEST_VERSION) --verify=false; \
+	}
+
+.PHONY: helm-test
+helm-test: install-helm-unittest ## Run helm-unittest tests for the Helm chart.
+	$(HELM) unittest $(HELM_CHART_DIR)
+
+.PHONY: helm-test-verbose
+helm-test-verbose: install-helm-unittest ## Run helm-unittest tests with verbose output.
+	$(HELM) unittest $(HELM_CHART_DIR) -d
+
+.PHONY: helm-test-debug
+helm-test-debug: install-helm-unittest ## Run helm-unittest tests with debug output and rendered templates.
+	$(HELM) unittest $(HELM_CHART_DIR) -d --debug
+	$(HELM) rollback $(HELM_RELEASE) --namespace $(HELM_NAMESPACE)

PROJECT

@@ -6,6 +6,10 @@ cliVersion: 4.11.1
 domain: x-k8s.io
 layout:
 - go.kubebuilder.io/v4
+plugins:
+  helm.kubebuilder.io/v2-alpha:
+    manifests: dist/install.yaml
+    output: dist
 projectName: mcp-lifecycle-operator
 repo: github.com/kubernetes-sigs/mcp-lifecycle-operator
 resources:

dist/chart/.helmignore

@@ -0,0 +1,25 @@
+# Patterns to ignore when building Helm packages.
+# Operating system files
+.DS_Store
+
+# Version control directories
+.git/
+.gitignore
+.bzr/
+.hg/
+.hgignore
+.svn/
+
+# Backup and temporary files
+*.swp
+*.tmp
+*.bak
+*.orig
+*~
+
+# IDE and editor-related files
+.idea/
+.vscode/
+
+# Helm chart artifacts
+dist/chart/*.tgz

dist/chart/Chart.yaml

@@ -0,0 +1,14 @@
+apiVersion: v2
+name: mcp-lifecycle-operator
+description: A Helm chart to distribute mcp-lifecycle-operator
+type: application
+
+version: 0.1.0
+appVersion: "0.1.0"
+
+keywords:
+  - kubernetes
+  - operator
+
+annotations:
+  kubebuilder.io/generated-by: kubebuilder

dist/chart/templates/NOTES.txt

@@ -0,0 +1,15 @@
+Thank you for installing {{ .Chart.Name }}.
+
+Your release is named {{ .Release.Name }}.
+
+The controller and CRDs have been installed in namespace {{ .Release.Namespace }}.
+
+To verify the installation:
+
+  kubectl get pods -n {{ .Release.Namespace }}
+  kubectl get customresourcedefinitions
+
+To learn more about the release, try:
+
+  $ helm status {{ .Release.Name }} -n {{ .Release.Namespace }}
+  $ helm get all {{ .Release.Name }} -n {{ .Release.Namespace }}

dist/chart/templates/_helpers.tpl

@@ -0,0 +1,50 @@
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "mcp-lifecycle-operator.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "mcp-lifecycle-operator.fullname" -}}
+{{- if .Values.fullnameOverride }}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- $name := default .Chart.Name .Values.nameOverride }}
+{{- if contains $name .Release.Name }}
+{{- .Release.Name | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
+{{- end }}
+{{- end }}
+{{- end }}
+
+{{/*
+Namespace for generated references.
+Always uses the Helm release namespace.
+*/}}
+{{- define "mcp-lifecycle-operator.namespaceName" -}}
+{{- .Release.Namespace }}
+{{- end }}
+
+{{/*
+Resource name with proper truncation for Kubernetes 63-character limit.
+Takes a dict with:
+  - .suffix: Resource name suffix (e.g., "metrics", "webhook")
+  - .context: Template context (root context with .Values, .Release, etc.)
+Dynamically calculates safe truncation to ensure total name length <= 63 chars.
+*/}}
+{{- define "mcp-lifecycle-operator.resourceName" -}}
+{{- $fullname := include "mcp-lifecycle-operator.fullname" .context }}
+{{- $suffix := .suffix }}
+{{- $maxLen := sub 62 (len $suffix) | int }}
+{{- if gt (len $fullname) $maxLen }}
+{{- printf "%s-%s" (trunc $maxLen $fullname | trimSuffix "-") $suffix | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- printf "%s-%s" $fullname $suffix | trunc 63 | trimSuffix "-" }}
+{{- end }}
+{{- end }}