One plugin per dir.

plugin/builtin/secretgenerator/SecretGenerator_test.go

@@ -0,0 +1,65 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package main_test
+
+import (
+	"testing"
+
+	"sigs.k8s.io/kustomize/pkg/kusttest"
+	"sigs.k8s.io/kustomize/plugin"
+)
+
+func TestSecretGenerator(t *testing.T) {
+	tc := plugin.NewEnvForTest(t).Set()
+	defer tc.Reset()
+
+	tc.BuildGoPlugin(
+		"builtin", "", "SecretGenerator")
+
+	th := kusttest_test.NewKustTestPluginHarness(t, "/app")
+
+	th.WriteF("/app/a.env", `
+ROUTER_PASSWORD=admin
+`)
+	th.WriteF("/app/b.env", `
+DB_PASSWORD=iloveyou
+`)
+	th.WriteF("/app/longsecret.txt", `
+Lorem ipsum dolor sit amet,
+consectetur adipiscing elit.
+`)
+
+	rm := th.LoadAndRunGenerator(`
+apiVersion: builtin
+kind: SecretGenerator
+metadata:
+  name: exampleSecGen
+name: mySecret
+namespace: whatever
+behavior: merge
+envs:
+- a.env
+- b.env
+files:
+- obscure=longsecret.txt
+literals:
+- FRUIT=apple
+- VEGETABLE=carrot
+`)
+
+	th.AssertActualEqualsExpected(rm, `
+apiVersion: v1
+data:
+  DB_PASSWORD: aWxvdmV5b3U=
+  FRUIT: YXBwbGU=
+  ROUTER_PASSWORD: YWRtaW4=
+  VEGETABLE: Y2Fycm90
+  obscure: CkxvcmVtIGlwc3VtIGRvbG9yIHNpdCBhbWV0LApjb25zZWN0ZXR1ciBhZGlwaXNjaW5nIGVsaXQuCg==
+kind: Secret
+metadata:
+  name: mySecret
+  namespace: whatever
+type: Opaque
+`)
+}