refactor cmd/config to internal

cmd/config/internal/commands/cmdxargs_test.go

@@ -0,0 +1,117 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package commands_test
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"sigs.k8s.io/kustomize/cmd/config/internal/commands"
+)
+
+const (
+	flagsInput = `kind: ResourceList
+items:
+- apiVersion: apps/v1
+  kind: Deployment
+  spec:
+    template:
+      spec:
+        containers:
+        - name: nginx
+          image: nginx
+- apiVersion: apps/v1
+  kind: Service
+  spec: {}
+functionConfig:
+  kind: Foo
+  spec:
+    a: b
+    c: d
+    e: f
+  items:
+  - 1
+  - 3
+  - 2
+  - 4
+`
+
+	resourceInput = `apiVersion: config.kubernetes.io/v1alpha1
+kind: ResourceList
+items:
+- apiVersion: apps/v1
+  kind: Deployment
+  spec:
+    template:
+      spec:
+        containers:
+        - name: nginx
+          image: nginx
+- apiVersion: apps/v1
+  kind: Service
+  spec: {}
+functionConfig:
+  kind: Foo
+`
+
+	resourceOutput = `apiVersion: v1
+kind: List
+items:
+- apiVersion: apps/v1
+  kind: Deployment
+  spec:
+    template:
+      spec:
+        containers:
+        - name: nginx
+          image: nginx
+- apiVersion: apps/v1
+  kind: Service
+  spec: {}
+`
+)
+
+func TestXArgs_flags(t *testing.T) {
+	c := commands.GetXArgsRunner()
+	c.Command.SetIn(bytes.NewBufferString(flagsInput))
+	out := &bytes.Buffer{}
+	c.Command.SetOut(out)
+	c.Command.SetArgs([]string{"--", "echo"})
+
+	c.Args = []string{"--", "echo"}
+	if !assert.NoError(t, c.Command.Execute()) {
+		t.FailNow()
+	}
+	assert.Equal(t, `--a=b --c=d --e=f 1 3 2 4
+`, out.String())
+}
+
+func TestXArgs_input(t *testing.T) {
+	c := commands.GetXArgsRunner()
+	c.Command.SetIn(bytes.NewBufferString(resourceInput))
+	out := &bytes.Buffer{}
+	c.Command.SetOut(out)
+	c.Command.SetArgs([]string{"--", "cat"})
+
+	c.Args = []string{"--", "cat"}
+	if !assert.NoError(t, c.Command.Execute()) {
+		t.FailNow()
+	}
+	assert.Equal(t, resourceOutput, out.String())
+}
+
+func TestCmd_env(t *testing.T) {
+	c := commands.GetXArgsRunner()
+	c.Command.SetIn(bytes.NewBufferString(flagsInput))
+	out := &bytes.Buffer{}
+	c.Command.SetOut(out)
+	c.Command.SetArgs([]string{"--env-only", "--", "env"})
+
+	c.Args = []string{"--", "env"}
+	if !assert.NoError(t, c.Command.Execute()) {
+		t.FailNow()
+	}
+	assert.Contains(t, out.String(), "\nA=b\nC=d\nE=f\n")
+}