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// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package konfig
import (
"os"
"path/filepath"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"sigs.k8s.io/kustomize/api/types"
"sigs.k8s.io/kustomize/kyaml/filesys"
)
func TestDefaultAbsPluginHome_NoKustomizePluginHomeEnv(t *testing.T) {
fSys := filesys.MakeFsInMemory()
keep, isSet := os.LookupEnv(KustomizePluginHomeEnv)
if isSet {
unsetenv(t, KustomizePluginHomeEnv)
}
_, err := DefaultAbsPluginHome(fSys)
if isSet {
setenv(t, KustomizePluginHomeEnv, keep)
}
if err == nil {
t.Fatalf("expected err")
}
if !types.IsErrUnableToFind(err) {
t.Fatalf("unexpected err: %v", err)
}
for _, expectedMsg := range []string{
"unable to find plugin root - tried:",
"('<no value>'; homed in $KUSTOMIZE_PLUGIN_HOME)",
"; homed in $XDG_CONFIG_HOME)",
"/.config/kustomize/plugin'; homed in default value of $XDG_CONFIG_HOME)",
"/kustomize/plugin'; homed in home directory)",
} {
assert.Contains(t, err.Error(), expectedMsg)
}
}
func TestDefaultAbsPluginHome_EmptyKustomizePluginHomeEnv(t *testing.T) {
keep, isSet := os.LookupEnv(KustomizePluginHomeEnv)
setenv(t, KustomizePluginHomeEnv, "")
_, err := DefaultAbsPluginHome(filesys.MakeFsInMemory())
if !isSet {
unsetenv(t, KustomizePluginHomeEnv)
} else {
setenv(t, KustomizePluginHomeEnv, keep)
}
if err == nil {
t.Fatalf("expected err")
}
if !types.IsErrUnableToFind(err) {
t.Fatalf("unexpected err: %v", err)
}
assert.Contains(t, err.Error(), "('<no value>'; homed in $KUSTOMIZE_PLUGIN_HOME)")
}
func TestDefaultAbsPluginHome_WithKustomizePluginHomeEnv(t *testing.T) {
fSys := filesys.MakeFsInMemory()
keep, isSet := os.LookupEnv(KustomizePluginHomeEnv)
if !isSet {
keep = "whatever"
setenv(t, KustomizePluginHomeEnv, keep)
}
err := fSys.Mkdir(keep)
require.NoError(t, err)
h, err := DefaultAbsPluginHome(fSys)
if !isSet {
unsetenv(t, KustomizePluginHomeEnv)
}
require.NoError(t, err)
if h != keep {
t.Fatalf("unexpected config dir: %s", h)
}
}
func TestDefaultAbsPluginHomeWithXdg(t *testing.T) {
fSys := filesys.MakeFsInMemory()
keep, isSet := os.LookupEnv(XdgConfigHomeEnv)
if !isSet {
keep = "whatever"
setenv(t, XdgConfigHomeEnv, keep)
}
configDir := filepath.Join(keep, ProgramName, RelPluginHome)
err := fSys.Mkdir(configDir)
require.NoError(t, err)
h, err := DefaultAbsPluginHome(fSys)
if !isSet {
unsetenv(t, XdgConfigHomeEnv)
}
if err != nil {
t.Fatalf("unexpected err: %v", err)
}
if h != configDir {
t.Fatalf("unexpected config dir: %s", h)
}
}
func TestDefaultAbsPluginHomeNoConfig(t *testing.T) {
fSys := filesys.MakeFsInMemory()
keep, isSet := os.LookupEnv(XdgConfigHomeEnv)
if isSet {
unsetenv(t, XdgConfigHomeEnv)
}
_, err := DefaultAbsPluginHome(fSys)
if isSet {
setenv(t, XdgConfigHomeEnv, keep)
}
if err == nil {
t.Fatalf("expected err")
}
if !types.IsErrUnableToFind(err) {
t.Fatalf("unexpected err: %v", err)
}
}
func TestDefaultAbsPluginHomeEmptyXdgConfig(t *testing.T) {
keep, isSet := os.LookupEnv(XdgConfigHomeEnv)
setenv(t, XdgConfigHomeEnv, "")
if isSet {
unsetenv(t, XdgConfigHomeEnv)
}
_, err := DefaultAbsPluginHome(filesys.MakeFsInMemory())
if isSet {
setenv(t, XdgConfigHomeEnv, keep)
}
if err == nil {
t.Fatalf("expected err")
}
if !types.IsErrUnableToFind(err) {
t.Fatalf("unexpected err: %v", err)
}
assert.Contains(t, err.Error(), "('<no value>'; homed in $XDG_CONFIG_HOME)")
}
func TestDefaultAbsPluginHomeNoXdgWithDotConfig(t *testing.T) {
fSys := filesys.MakeFsInMemory()
configDir := filepath.Join(
HomeDir(), XdgConfigHomeEnvDefault, ProgramName, RelPluginHome)
err := fSys.Mkdir(configDir)
require.NoError(t, err)
keep, isSet := os.LookupEnv(XdgConfigHomeEnv)
if isSet {
unsetenv(t, XdgConfigHomeEnv)
}
s, err := DefaultAbsPluginHome(fSys)
require.NoError(t, err)
if isSet {
setenv(t, XdgConfigHomeEnv, keep)
}
if s != configDir {
t.Fatalf("unexpected config dir: %s", s)
}
}
func TestDefaultAbsPluginHomeNoXdgJustHomeDir(t *testing.T) {
fSys := filesys.MakeFsInMemory()
configDir := filepath.Join(
HomeDir(), ProgramName, RelPluginHome)
err := fSys.Mkdir(configDir)
require.NoError(t, err)
keep, isSet := os.LookupEnv(XdgConfigHomeEnv)
if isSet {
unsetenv(t, XdgConfigHomeEnv)
}
s, err := DefaultAbsPluginHome(fSys)
require.NoError(t, err)
if isSet {
setenv(t, XdgConfigHomeEnv, keep)
}
if s != configDir {
t.Fatalf("unexpected config dir: %s", s)
}
}
func setenv(t *testing.T, key, value string) {
t.Helper()
require.NoError(t, os.Setenv(key, value))
}
func unsetenv(t *testing.T, key string) {
t.Helper()
require.NoError(t, os.Unsetenv(key))
}
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