kpt-krm-fn-tests.bats

#!/usr/bin/env bats

set -eu

: ${IMAGE:=mgoltzsche/khelm:latest}
EXAMPLE_CHART_NAMESPACE="`pwd`/example/namespace"
TMP_DIR="$(mktemp -d)"

teardown() {
	rm -rf $TMP_DIR
}

@test "kpt imperative fn should render local-chart" {
	cd example/kpt/local-chart
	rm -rf output
	mkdir output
	make fn
	[ -f ./output/output.yaml ]
	grep -q jenkins-role-binding ./output/output.yaml
}

@test "kpt imperative fn should cache chart dependency" {
	cd example/kpt/local-chart
	rm -rf output
	mkdir output
	kpt fn eval --image="$IMAGE" --fn-config=./fn-config.yaml \
		--mount "type=bind,src=$TMP_DIR,dst=/helm,rw=true" \
		--mount "type=bind,source=`pwd`/../..,target=/examples,rw=true" \
		--as-current-user output --network
	kpt fn eval --image="$IMAGE" --fn-config=./fn-config.yaml \
		--mount "type=bind,src=$TMP_DIR,dst=/helm,rw=true" \
		--mount "type=bind,source=`pwd`/../..,target=/examples,rw=true" \
		--as-current-user output --truncate-output=false --network

	[ -f ./output/output.yaml ]
	grep -q jenkins-role-binding ./output/output.yaml
	grep -qv myconfiga ./output/output.yaml
}

@test "kpt imperative fn should convert parameterized chart into kustomization" {
	cd example/kpt/chart-to-kustomization
	rm -rf output-kustomization
	make fn

	[ -f ./output-kustomization/configmap_myconfiga.yaml ]
	[ -f ./output-kustomization/configmap_myconfigb.yaml ]
	[ -f ./output-kustomization/kustomization.yaml ]
	kustomize build ./output-kustomization | grep -q ' myconfiga'
}

@test "kpt imperative fn should render remote chart" {
	cd example/kpt/remote-chart
	rm -f output-remote.yaml
	make fn

	[ -f ./output-remote.yaml ]
	grep -q cainjector ./output-remote.yaml
}

@test "kpt imperative fn should cache remote chart" {
	cd example/kpt/remote-chart
	rm -f output-remote.yaml
	kpt fn eval --as-current-user --network \
		--mount "type=bind,src=$TMP_DIR,dst=/helm,rw=true" \
		--mount "type=bind,src=$EXAMPLE_CHART_NAMESPACE,dst=/source" \
		--image="$IMAGE" \
		--fn-config=./fn-config.yaml .
	[ -f ./output-remote.yaml ]
	rm -f output-remote.yaml

	ls -la $TMP_DIR/cache/khelm
	kpt fn eval --as-current-user \
		--mount "type=bind,src=$TMP_DIR,dst=/helm,rw=true" \
		--mount "type=bind,src=$EXAMPLE_CHART_NAMESPACE,dst=/source" \
		--image="$IMAGE" \
		--fn-config=./fn-config.yaml .
	[ -f ./output-remote.yaml ]
	grep -q cainjector ./output-remote.yaml
}

@test "kpt imperative fn should map output" {
	cd example/kpt/output-mapping
	rm -f output-default.yaml output-filtered.yaml
	make fn

	[ -f ./output-default.yaml ]
	[ -f ./output-filtered.yaml ]
	grep -q cainjector ./output-default.yaml
	grep -Eq '^kind: ConfigMap$' ./output-filtered.yaml
	! grep -Eq '^kind: ConfigMap$' ./output-default.yaml
}

@test "kpt declarative fn should render built-in chart" {
	cd example/kpt/declarative
	rm -rf generated
	make render

	[ -f ./generated/kustomization.yaml ]
	[ -f ./generated/deployment_myrelease-cert-manager.yaml ]
	grep -q myrelease-cert-manager ./generated/deployment_myrelease-cert-manager.yaml
	grep -q ' namespace: "mynamespace"' ./generated/deployment_myrelease-cert-manager.yaml
}