Localize HelmChartInflationGenerator (#5007)

* Localize HelmChartInflationGenerator

* Add explicit inline generators test

api/internal/localizer/localizer_test.go

@@ -593,8 +593,36 @@ patches:
 }
 
 func TestLocalizePluginsInlineAndFile(t *testing.T) {
-	kustAndPlugins := map[string]string{
-		"kustomization.yaml": `apiVersion: kustomize.config.k8s.io/v1beta1
+	for _, test := range []struct {
+		name  string
+		files map[string]string
+	}{
+		{
+			name: "generators",
+			files: map[string]string{
+				"kustomization.yaml": `generators:
+- generator.yaml
+- |
+  apiVersion: builtin
+  env: second.properties
+  kind: ConfigMapGenerator
+  metadata:
+    name: inline
+`,
+				"generator.yaml": `apiVersion: builtin
+env: first.properties
+kind: ConfigMapGenerator
+metadata:
+  name: file
+`,
+				"first.properties":  "APPLE=orange",
+				"second.properties": "BANANA=pear",
+			},
+		},
+		{
+			name: "transformers",
+			files: map[string]string{
+				"kustomization.yaml": `apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 transformers:
 - |
@@ -605,16 +633,39 @@ transformers:
   path: patchSM-one.yaml
 - patch.yaml
 `,
-		"patch.yaml": `apiVersion: builtin
+				"patch.yaml": `apiVersion: builtin
 kind: PatchTransformer
 metadata:
   name: file
 path: patchSM-two.yaml
 `,
-		"patchSM-one.yaml": podConfiguration,
-		"patchSM-two.yaml": podConfiguration,
+				"patchSM-one.yaml": podConfiguration,
+				"patchSM-two.yaml": podConfiguration,
+			},
+		},
+		{
+			name: "validators",
+			files: map[string]string{
+				"kustomization.yaml": `validators:
+- |
+  apiVersion: builtin
+  kind: ReplacementTransformer
+  metadata:
+    name: inline
+  replacements:
+  - path: first.yaml
+- second.yaml
+`,
+				"first.yaml":       replacementTransformerWithPath,
+				"second.yaml":      replacementTransformerWithPath,
+				"replacement.yaml": replacements,
+			},
+		},
+	} {
+		t.Run(test.name, func(t *testing.T) {
+			checkLocalizeInTargetSuccess(t, test.files)
+		})
 	}
-	checkLocalizeInTargetSuccess(t, kustAndPlugins)
 }
 
 func TestLocalizeMultiplePluginsInEntry(t *testing.T) {
@@ -1461,6 +1512,62 @@ func TestCopyChartHomeError(t *testing.T) {
 	}
 }
 
+func TestLocalizeGeneratorsHelm(t *testing.T) {
+	files := map[string]string{
+		"kustomization.yaml": `generators:
+- default.yaml
+- explicit.yaml
+`,
+		"default.yaml": `apiVersion: builtin
+kind: HelmChartInflationGenerator
+metadata:
+  name: no-explicit-references
+name: minecraft
+releaseName: moria
+repo: https://itzg.github.io/minecraft-server-charts
+version: 3.1.3
+`,
+		"explicit.yaml": `apiVersion: builtin
+chartHome: home
+kind: HelmChartInflationGenerator
+metadata:
+  name: explicit-references
+name: mapleStory
+valuesFile: mapleValues.yaml
+`,
+		"mapleValues.yaml":             valuesFile,
+		"home/mapleStory/values.yaml":  valuesFile,
+		"charts/minecraft/values.yaml": valuesFile,
+	}
+	checkLocalizeInTargetSuccess(t, files)
+}
+
+func TestLocalizeGeneratorsNoHelm(t *testing.T) {
+	files := map[string]string{
+		"kustomization.yaml": `generators:
+- configMap.yaml
+`,
+		"configMap.yaml": `apiVersion: builtin
+kind: ConfigMapGenerator
+literals:
+- APPLE=orange
+metadata:
+  name: not-helm-shouldn't-copy-default-helm-chart-home
+`,
+		"charts/minecraft/values.yaml": valuesFile,
+	}
+	expected, actual := makeFileSystems(t, "/a", files)
+
+	err := Run("/a", "", "/dst", actual)
+	require.NoError(t, err)
+
+	addFiles(t, expected, "/dst", map[string]string{
+		"kustomization.yaml": files["kustomization.yaml"],
+		"configMap.yaml":     files["configMap.yaml"],
+	})
+	checkFSys(t, expected, actual)
+}
+
 func TestLocalizeEmpty(t *testing.T) {
 	for name, kustomization := range map[string]string{
 		"file": `configurations: