mirror of
https://github.com/kubernetes-sigs/kustomize.git
synced 2026-05-18 04:55:08 +00:00
603 lines
16 KiB
Go
603 lines
16 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package resmap_test
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import (
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"reflect"
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"testing"
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"sigs.k8s.io/kustomize/k8sdeps/kunstruct"
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"sigs.k8s.io/kustomize/pkg/gvk"
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"sigs.k8s.io/kustomize/pkg/resid"
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. "sigs.k8s.io/kustomize/pkg/resmap"
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"sigs.k8s.io/kustomize/pkg/resource"
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"sigs.k8s.io/kustomize/pkg/types"
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)
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var deploy = gvk.Gvk{Group: "apps", Version: "v1", Kind: "Deployment"}
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var statefulset = gvk.Gvk{Group: "apps", Version: "v1", Kind: "StatefulSet"}
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var rf = resource.NewFactory(
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kunstruct.NewKunstructuredFactoryImpl())
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var rmF = NewFactory(rf)
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func TestEncodeAsYaml(t *testing.T) {
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encoded := []byte(`apiVersion: v1
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kind: ConfigMap
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metadata:
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name: cm1
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---
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: cm2
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`)
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input := ResMap{
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resid.NewResId(cmap, "cm1"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "cm1",
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},
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}),
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resid.NewResId(cmap, "cm2"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "cm2",
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},
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}),
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}
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out, err := input.EncodeAsYaml()
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if !reflect.DeepEqual(out, encoded) {
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t.Fatalf("%s doesn't match expected %s", out, encoded)
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}
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}
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func TestDemandOneGvknMatchForId(t *testing.T) {
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rm1 := ResMap{
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resid.NewResIdWithPrefixNamespace(cmap, "cm1", "prefix1", "ns1"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "cm1",
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},
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}),
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resid.NewResIdWithPrefixNamespace(cmap, "cm2", "prefix1", "ns1"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "cm2",
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},
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}),
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}
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result := rm1.GetMatchingIds(
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resid.NewResIdWithPrefixNamespace(cmap, "cm2", "prefix1", "ns1").GvknEquals)
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if len(result) != 1 {
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t.Fatalf("Expected single map entry but got %v", result)
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}
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// confirm that ns and prefix are not included in match
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result = rm1.GetMatchingIds(
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resid.NewResIdWithPrefixNamespace(cmap, "cm2", "prefix", "ns").GvknEquals)
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if len(result) != 1 {
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t.Fatalf("Expected single map entry but got %v", result)
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}
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// confirm that name is matched correctly
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result = rm1.GetMatchingIds(
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resid.NewResIdWithPrefixNamespace(cmap, "cm3", "prefix1", "ns1").GvknEquals)
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if len(result) > 0 {
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t.Fatalf("Expected no map entries but got %v", result)
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}
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cmap2 := gvk.Gvk{Version: "v2", Kind: "ConfigMap"}
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// confirm that gvk is matched correctly
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result = rm1.GetMatchingIds(
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resid.NewResIdWithPrefixNamespace(cmap2, "cm2", "prefix1", "ns1").GvknEquals)
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if len(result) > 0 {
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t.Fatalf("Expected no map entries but got %v", result)
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}
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}
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func TestFilterBy(t *testing.T) {
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tests := map[string]struct {
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resMap ResMap
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filter resid.ResId
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expected ResMap
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}{
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"different namespace": {
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resMap: ResMap{resid.NewResIdWithPrefixSuffixNamespace(cmap, "config-map", "prefix", "suffix", "namespace1"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "config-map",
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},
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}),
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},
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filter: resid.NewResIdWithPrefixSuffixNamespace(cmap, "config-map", "prefix", "suffix", "namespace2"),
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expected: ResMap{},
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},
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"different prefix": {
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resMap: ResMap{resid.NewResIdWithPrefixSuffixNamespace(cmap, "config-map", "prefix1", "suffix", "namespace"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "config-map",
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},
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}),
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},
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filter: resid.NewResIdWithPrefixSuffixNamespace(cmap, "config-map", "prefix2", "suffix", "namespace"),
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expected: ResMap{},
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},
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"different suffix": {
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resMap: ResMap{resid.NewResIdWithPrefixSuffixNamespace(cmap, "config-map", "prefix", "suffix1", "namespace"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "config-map",
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},
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}),
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},
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filter: resid.NewResIdWithPrefixSuffixNamespace(cmap, "config-map", "prefix", "suffix2", "namespace"),
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expected: ResMap{},
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},
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"same namespace, same prefix": {
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resMap: ResMap{resid.NewResIdWithPrefixNamespace(cmap, "config-map1", "prefix", "namespace"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "config-map1",
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},
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}),
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},
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filter: resid.NewResIdWithPrefixNamespace(cmap, "config-map2", "prefix", "namespace"),
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expected: ResMap{resid.NewResIdWithPrefixNamespace(cmap, "config-map1", "prefix", "namespace"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "config-map1",
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},
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}),
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},
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},
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"same namespace, same suffix": {
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resMap: ResMap{resid.NewResIdWithSuffixNamespace(cmap, "config-map1", "suffix", "namespace"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "config-map1",
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},
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}),
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},
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filter: resid.NewResIdWithSuffixNamespace(cmap, "config-map2", "suffix", "namespace"),
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expected: ResMap{resid.NewResIdWithSuffixNamespace(cmap, "config-map1", "suffix", "namespace"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "config-map1",
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},
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}),
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},
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},
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"same namespace, same prefix, same suffix": {
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resMap: ResMap{resid.NewResIdWithPrefixSuffixNamespace(cmap, "config-map1", "prefix", "suffix", "namespace"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "config-map",
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},
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}),
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},
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filter: resid.NewResIdWithPrefixSuffixNamespace(cmap, "config-map2", "prefix", "suffix", "namespace"),
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expected: ResMap{resid.NewResIdWithPrefixSuffixNamespace(cmap, "config-map1", "prefix", "suffix", "namespace"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "config-map",
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},
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}),
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},
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},
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"filter by cluster-level Gvk": {
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resMap: ResMap{resid.NewResIdWithPrefixNamespace(cmap, "config-map", "prefix", "namespace"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "config-map",
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},
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}),
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},
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filter: resid.NewResId(gvk.Gvk{Kind: "ClusterRoleBinding"}, "cluster-role-binding"),
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expected: ResMap{resid.NewResIdWithPrefixNamespace(cmap, "config-map", "prefix", "namespace"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "config-map",
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},
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}),
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},
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},
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}
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for name, test := range tests {
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test := test
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t.Run(name, func(t *testing.T) {
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got := test.resMap.FilterBy(test.filter)
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if !reflect.DeepEqual(test.expected, got) {
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t.Fatalf("Expected %v but got back %v", test.expected, got)
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}
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})
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}
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}
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func TestDeepCopy(t *testing.T) {
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rm1 := ResMap{
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resid.NewResId(cmap, "cm1"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "cm1",
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},
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}),
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resid.NewResId(cmap, "cm2"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "cm2",
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},
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}),
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}
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rm2 := rm1.DeepCopy(rf)
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if &rm1 == &rm2 {
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t.Fatal("DeepCopy returned a reference to itself instead of a copy")
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}
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if !reflect.DeepEqual(rm1, rm2) {
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t.Fatalf("%v doesn't equal it's deep copy %v", rm1, rm2)
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}
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}
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func TestGetMatchingIds(t *testing.T) {
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// These ids used as map keys.
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// They must be different to avoid overwriting
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// map entries during construction.
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ids := []resid.ResId{
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resid.NewResId(
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gvk.Gvk{Kind: "vegetable"},
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"bedlam"),
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resid.NewResId(
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gvk.Gvk{Group: "g1", Version: "v1", Kind: "vegetable"},
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"domino"),
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resid.NewResIdWithPrefixNamespace(
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gvk.Gvk{Kind: "vegetable"},
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"peter", "p", "happy"),
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resid.NewResIdWithPrefixNamespace(
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gvk.Gvk{Version: "v1", Kind: "fruit"},
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"shatterstar", "p", "happy"),
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}
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m := ResMap{}
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for _, id := range ids {
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// Resources values don't matter in this test.
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m[id] = nil
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}
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if len(m) != len(ids) {
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t.Fatalf("unexpected map len %d presumably due to duplicate keys", len(m))
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}
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tests := []struct {
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name string
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matcher IdMatcher
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count int
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}{
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{
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"match everything",
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func(resid.ResId) bool { return true },
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4,
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},
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{
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"match nothing",
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func(resid.ResId) bool { return false },
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0,
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},
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{
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"name is peter",
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func(x resid.ResId) bool { return x.Name() == "peter" },
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1,
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},
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{
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"happy vegetable",
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func(x resid.ResId) bool {
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return x.Namespace() == "happy" &&
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x.Gvk().Kind == "vegetable"
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},
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1,
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},
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}
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for _, tst := range tests {
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result := m.GetMatchingIds(tst.matcher)
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if len(result) != tst.count {
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t.Fatalf("test '%s'; actual: %d, expected: %d",
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tst.name, len(result), tst.count)
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}
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}
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}
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func TestErrorIfNotEqual(t *testing.T) {
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rm1 := ResMap{
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resid.NewResId(cmap, "cm1"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "cm1",
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},
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}),
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resid.NewResId(cmap, "cm2"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "cm2",
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},
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}),
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}
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err := rm1.ErrorIfNotEqual(rm1)
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if err != nil {
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t.Fatalf("%v should equal itself %v", rm1, err)
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}
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rm2 := ResMap{
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resid.NewResId(cmap, "cm1"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "cm1",
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},
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}),
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}
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// test the different number of keys path
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err = rm1.ErrorIfNotEqual(rm2)
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if err == nil {
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t.Fatalf("%v should not equal %v %v", rm1, rm2, err)
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}
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rm3 := ResMap{
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resid.NewResId(cmap, "cm2"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "cm1",
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},
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}),
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}
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// test the different key values path
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err = rm2.ErrorIfNotEqual(rm3)
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if err == nil {
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t.Fatalf("%v should not equal %v %v", rm1, rm2, err)
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}
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rm4 := ResMap{
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resid.NewResId(cmap, "cm1"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "cm3",
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},
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}),
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}
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// test the deepcopy path
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err = rm2.ErrorIfNotEqual(rm4)
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if err == nil {
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t.Fatalf("%v should not equal %v %v", rm1, rm2, err)
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}
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}
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func TestMergeWithoutOverride(t *testing.T) {
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input1 := ResMap{
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resid.NewResId(deploy, "deploy1"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "apps/v1",
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"kind": "Deployment",
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"metadata": map[string]interface{}{
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"name": "foo-deploy1",
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},
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}),
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}
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input2 := ResMap{
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resid.NewResId(statefulset, "stateful1"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "apps/v1",
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"kind": "StatefulSet",
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"metadata": map[string]interface{}{
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"name": "bar-stateful",
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},
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}),
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}
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input := []ResMap{input1, input2}
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expected := ResMap{
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resid.NewResId(deploy, "deploy1"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "apps/v1",
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"kind": "Deployment",
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"metadata": map[string]interface{}{
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"name": "foo-deploy1",
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},
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}),
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resid.NewResId(statefulset, "stateful1"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "apps/v1",
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"kind": "StatefulSet",
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"metadata": map[string]interface{}{
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"name": "bar-stateful",
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},
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}),
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}
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merged, err := MergeWithErrorOnIdCollision(input...)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if !reflect.DeepEqual(merged, expected) {
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t.Fatalf("%#v doesn't equal expected %#v", merged, expected)
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}
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input3 := []ResMap{merged, nil}
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merged1, err := MergeWithErrorOnIdCollision(input3...)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if !reflect.DeepEqual(merged1, expected) {
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t.Fatalf("%#v doesn't equal expected %#v", merged1, expected)
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}
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input4 := []ResMap{nil, merged}
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merged2, err := MergeWithErrorOnIdCollision(input4...)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if !reflect.DeepEqual(merged2, expected) {
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t.Fatalf("%#v doesn't equal expected %#v", merged2, expected)
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}
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}
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func generateMergeFixtures(b types.GenerationBehavior) []ResMap {
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input1 := ResMap{
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resid.NewResId(cmap, "cmap"): rf.FromMapAndOption(
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map[string]interface{}{
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"apiVersion": "apps/v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
|
|
"name": "cmap",
|
|
},
|
|
"data": map[string]interface{}{
|
|
"a": "x",
|
|
"b": "y",
|
|
},
|
|
}, &types.GeneratorArgs{
|
|
Behavior: "create",
|
|
}, nil),
|
|
}
|
|
input2 := ResMap{
|
|
resid.NewResId(cmap, "cmap"): rf.FromMapAndOption(
|
|
map[string]interface{}{
|
|
"apiVersion": "apps/v1",
|
|
"kind": "ConfigMap",
|
|
"metadata": map[string]interface{}{
|
|
"name": "cmap",
|
|
},
|
|
"data": map[string]interface{}{
|
|
"a": "u",
|
|
"b": "v",
|
|
"c": "w",
|
|
},
|
|
}, &types.GeneratorArgs{
|
|
Behavior: b.String(),
|
|
}, nil),
|
|
}
|
|
return []ResMap{input1, input2}
|
|
}
|
|
|
|
func TestMergeWithOverride(t *testing.T) {
|
|
expected := ResMap{
|
|
resid.NewResId(cmap, "cmap"): rf.FromMapAndOption(
|
|
map[string]interface{}{
|
|
"apiVersion": "apps/v1",
|
|
"kind": "ConfigMap",
|
|
"metadata": map[string]interface{}{
|
|
"annotations": map[string]interface{}{},
|
|
"labels": map[string]interface{}{},
|
|
"name": "cmap",
|
|
},
|
|
"data": map[string]interface{}{
|
|
"a": "u",
|
|
"b": "v",
|
|
"c": "w",
|
|
},
|
|
}, &types.GeneratorArgs{
|
|
Behavior: "create",
|
|
}, nil),
|
|
}
|
|
merged, err := MergeWithOverride(generateMergeFixtures(types.BehaviorMerge)...)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error: %v", err)
|
|
}
|
|
if !reflect.DeepEqual(merged, expected) {
|
|
t.Fatalf("%#v doesn't equal expected %#v", merged, expected)
|
|
}
|
|
input3 := []ResMap{merged, nil}
|
|
merged1, err := MergeWithOverride(input3...)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error: %v", err)
|
|
}
|
|
if !reflect.DeepEqual(merged1, expected) {
|
|
t.Fatalf("%#v doesn't equal expected %#v", merged1, expected)
|
|
}
|
|
input4 := []ResMap{nil, merged}
|
|
merged2, err := MergeWithOverride(input4...)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error: %v", err)
|
|
}
|
|
if !reflect.DeepEqual(merged2, expected) {
|
|
t.Fatalf("%#v doesn't equal expected %#v", merged2, expected)
|
|
}
|
|
|
|
inputs := generateMergeFixtures(types.BehaviorReplace)
|
|
replaced, err := MergeWithOverride(inputs...)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error: %v", err)
|
|
}
|
|
expectedReplaced := inputs[1]
|
|
if !reflect.DeepEqual(replaced, expectedReplaced) {
|
|
t.Fatalf("%#v doesn't equal expected %#v", replaced, expectedReplaced)
|
|
}
|
|
|
|
_, err = MergeWithOverride(generateMergeFixtures(types.BehaviorUnspecified)...)
|
|
if err == nil {
|
|
t.Fatal("Merging with GenerationBehavior BehaviorUnspecified should return an error but does not")
|
|
}
|
|
}
|