From 7712122277a9ab1be40125bed59b8f878cc5c830 Mon Sep 17 00:00:00 2001
From: Max Goltzsche <max.goltzsche@gmail.com>
Date: Sun, 21 Jul 2024 00:10:48 +0200
Subject: [PATCH] chore: add output path mapping e2e test

---
 e2e/kpt-krm-fn-tests.bats                 | 12 ++++++++++++
 example/kpt/output-mapping/Makefile       |  4 ++++
 example/kpt/output-mapping/fn-config.yaml | 17 +++++++++++++++++
 3 files changed, 33 insertions(+)
 create mode 100644 example/kpt/output-mapping/Makefile
 create mode 100644 example/kpt/output-mapping/fn-config.yaml

diff --git a/e2e/kpt-krm-fn-tests.bats b/e2e/kpt-krm-fn-tests.bats
index db937df..06ce7d5 100755
--- a/e2e/kpt-krm-fn-tests.bats
+++ b/e2e/kpt-krm-fn-tests.bats
@@ -78,6 +78,18 @@ teardown() {
 	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
diff --git a/example/kpt/output-mapping/Makefile b/example/kpt/output-mapping/Makefile
new file mode 100644
index 0000000..961854c
--- /dev/null
+++ b/example/kpt/output-mapping/Makefile
@@ -0,0 +1,4 @@
+IMAGE ?= mgoltzsche/khelm:latest
+
+fn:
+	kpt fn eval --network --image="$(IMAGE)" --fn-config=./fn-config.yaml . --truncate-output=false
diff --git a/example/kpt/output-mapping/fn-config.yaml b/example/kpt/output-mapping/fn-config.yaml
new file mode 100644
index 0000000..f60d17a
--- /dev/null
+++ b/example/kpt/output-mapping/fn-config.yaml
@@ -0,0 +1,17 @@
+apiVersion: khelm.mgoltzsche.github.com/v2
+kind: ChartRenderer
+metadata:
+  name: remote-chart
+  annotations:
+    config.kubernetes.io/local-config: "true"
+repository: https://charts.jetstack.io
+chart: cert-manager
+version: 1.10.2
+name: myrelease
+debug: true
+outputPath: output-default.yaml
+outputPathMapping:
+- outputPath: output-filtered.yaml
+  selectors:
+  - kind: ConfigMap
+    name: myrelease-cert-manager-webhook