// Copyright 2022 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0

package krusty_test

import (
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
	kusttest_test "sigs.k8s.io/kustomize/api/testutils/kusttest"
)

func TestDuplicateKeys(t *testing.T) {
	th := kusttest_test.MakeHarness(t)
	th.WriteK(".", `
resources:
- resources.yaml
`)
	th.WriteF("resources.yaml", `
apiVersion: apps/v1
kind: Deployment
metadata:
  name: podinfo
spec:
  selector:
    matchLabels:
      app: podinfo
  template:
    spec:
      containers:
      - name: podinfod
        image: ghcr.io/stefanprodan/podinfo:5.0.3 
        command:
        - ./podinfo
        env:
        - name: PODINFO_UI_COLOR
          value: "#34577c"
        env:
          - name: PODINFO_UI_COLOR
            value: "#34577c"
`)
	m := th.Run(".", th.MakeDefaultOptions())
	_, err := m.AsYaml()
	require.Error(t, err)
	assert.Contains(t, err.Error(), "mapping key \"env\" already defined")
}