packer-cn/template/interpolate/funcs_test.go

383 lines
6.5 KiB
Go

package interpolate
import (
"os"
"path/filepath"
"strconv"
"strings"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"github.com/hashicorp/packer/version"
)
func TestFuncBuildName(t *testing.T) {
cases := []struct {
Input string
Output string
}{
{
`{{build_name}}`,
"foo",
},
}
ctx := &Context{BuildName: "foo"}
for _, tc := range cases {
i := &I{Value: tc.Input}
result, err := i.Render(ctx)
if err != nil {
t.Fatalf("Input: %s\n\nerr: %s", tc.Input, err)
}
if result != tc.Output {
t.Fatalf("Input: %s\n\nGot: %s", tc.Input, result)
}
}
}
func TestFuncBuildType(t *testing.T) {
cases := []struct {
Input string
Output string
}{
{
`{{build_type}}`,
"foo",
},
}
ctx := &Context{BuildType: "foo"}
for _, tc := range cases {
i := &I{Value: tc.Input}
result, err := i.Render(ctx)
if err != nil {
t.Fatalf("Input: %s\n\nerr: %s", tc.Input, err)
}
if result != tc.Output {
t.Fatalf("Input: %s\n\nGot: %s", tc.Input, result)
}
}
}
func TestFuncEnv(t *testing.T) {
cases := []struct {
Input string
Output string
}{
{
`{{env "PACKER_TEST_ENV"}}`,
`foo`,
},
{
`{{env "PACKER_TEST_ENV_NOPE"}}`,
``,
},
}
os.Setenv("PACKER_TEST_ENV", "foo")
defer os.Setenv("PACKER_TEST_ENV", "")
ctx := &Context{EnableEnv: true}
for _, tc := range cases {
i := &I{Value: tc.Input}
result, err := i.Render(ctx)
if err != nil {
t.Fatalf("Input: %s\n\nerr: %s", tc.Input, err)
}
if result != tc.Output {
t.Fatalf("Input: %s\n\nGot: %s", tc.Input, result)
}
}
}
func TestFuncEnv_disable(t *testing.T) {
cases := []struct {
Input string
Output string
Error bool
}{
{
`{{env "PACKER_TEST_ENV"}}`,
"",
true,
},
}
ctx := &Context{EnableEnv: false}
for _, tc := range cases {
i := &I{Value: tc.Input}
result, err := i.Render(ctx)
if (err != nil) != tc.Error {
t.Fatalf("Input: %s\n\nerr: %s", tc.Input, err)
}
if result != tc.Output {
t.Fatalf("Input: %s\n\nGot: %s", tc.Input, result)
}
}
}
func TestFuncIsotime(t *testing.T) {
ctx := &Context{}
i := &I{Value: "{{isotime}}"}
result, err := i.Render(ctx)
if err != nil {
t.Fatalf("err: %s", err)
}
val, err := time.Parse(time.RFC3339, result)
if err != nil {
t.Fatalf("err: %s", err)
}
currentTime := time.Now().UTC()
if currentTime.Sub(val) > 2*time.Second {
t.Fatalf("val: %v (current: %v)", val, currentTime)
}
}
func TestFuncStrftime(t *testing.T) {
ctx := &Context{}
i := &I{Value: "{{strftime \"%Y-%m-%dT%H:%M:%S%z\"}}"}
result, err := i.Render(ctx)
if err != nil {
t.Fatalf("err: %s", err)
}
val, err := time.Parse("2006-01-02T15:04:05-0700", result)
if err != nil {
t.Fatalf("err: %s", err)
}
currentTime := time.Now().UTC()
if currentTime.Sub(val) > 2*time.Second {
t.Fatalf("val: %v (current: %v)", val, currentTime)
}
}
func TestFuncPwd(t *testing.T) {
wd, err := os.Getwd()
if err != nil {
t.Fatalf("err: %s", err)
}
cases := []struct {
Input string
Output string
}{
{
`{{pwd}}`,
wd,
},
}
ctx := &Context{}
for _, tc := range cases {
i := &I{Value: tc.Input}
result, err := i.Render(ctx)
if err != nil {
t.Fatalf("Input: %s\n\nerr: %s", tc.Input, err)
}
if result != tc.Output {
t.Fatalf("Input: %s\n\nGot: %s", tc.Input, result)
}
}
}
func TestFuncTemplatePath(t *testing.T) {
path := "foo/bar"
expected, _ := filepath.Abs(filepath.Dir(path))
cases := []struct {
Input string
Output string
}{
{
`{{template_dir}}`,
expected,
},
}
ctx := &Context{
TemplatePath: path,
}
for _, tc := range cases {
i := &I{Value: tc.Input}
result, err := i.Render(ctx)
if err != nil {
t.Fatalf("Input: %s\n\nerr: %s", tc.Input, err)
}
if result != tc.Output {
t.Fatalf("Input: %s\n\nGot: %s", tc.Input, result)
}
}
}
func TestFuncSplit(t *testing.T) {
cases := []struct {
Input string
Output string
ErrorExpected bool
}{
{
`{{split build_name "-" 0}}`,
"foo",
false,
},
{
`{{split build_name "-" 1}}`,
"bar",
false,
},
{
`{{split build_name "-" 2}}`,
"",
true,
},
}
ctx := &Context{BuildName: "foo-bar"}
for _, tc := range cases {
i := &I{Value: tc.Input}
result, err := i.Render(ctx)
if (err == nil) == tc.ErrorExpected {
t.Fatalf("Input: %s\n\nerr: %s", tc.Input, err)
}
if result != tc.Output {
t.Fatalf("Input: %s\n\nGot: %s", tc.Input, result)
}
}
}
func TestFuncTimestamp(t *testing.T) {
expected := strconv.FormatInt(InitTime.Unix(), 10)
cases := []struct {
Input string
Output string
}{
{
`{{timestamp}}`,
expected,
},
}
ctx := &Context{}
for _, tc := range cases {
i := &I{Value: tc.Input}
result, err := i.Render(ctx)
if err != nil {
t.Fatalf("Input: %s\n\nerr: %s", tc.Input, err)
}
if result != tc.Output {
t.Fatalf("Input: %s\n\nGot: %s", tc.Input, result)
}
}
}
func TestFuncUser(t *testing.T) {
cases := []struct {
Input string
Output string
}{
{
`{{user "foo"}}`,
`foo`,
},
{
`{{user "what"}}`,
``,
},
}
ctx := &Context{
UserVariables: map[string]string{
"foo": "foo",
},
}
for _, tc := range cases {
i := &I{Value: tc.Input}
result, err := i.Render(ctx)
if err != nil {
t.Fatalf("Input: %s\n\nerr: %s", tc.Input, err)
}
if result != tc.Output {
t.Fatalf("Input: %s\n\nGot: %s", tc.Input, result)
}
}
}
func TestFuncPackerVersion(t *testing.T) {
template := `{{packer_version}}`
ctx := &Context{}
i := &I{Value: template}
result, err := i.Render(ctx)
if err != nil {
t.Fatalf("Input: %s\n\nerr: %s", template, err)
}
// Only match the X.Y.Z portion of the whole version string.
if !strings.HasPrefix(result, version.Version) {
t.Fatalf("Expected input to include: %s\n\nGot: %s",
version.Version, result)
}
}
func TestReplaceFuncs(t *testing.T) {
cases := []struct {
Input string
Output string
}{
{
`{{ "foo-bar-baz" | replace "-" "/" 1}}`,
`foo/bar-baz`,
},
{
`{{ replace "-" "/" 1 "foo-bar-baz" }}`,
`foo/bar-baz`,
},
{
`{{ "I Am Henry VIII" | replace_all " " "-" }}`,
`I-Am-Henry-VIII`,
},
{
`{{ replace_all " " "-" "I Am Henry VIII" }}`,
`I-Am-Henry-VIII`,
},
}
ctx := &Context{
UserVariables: map[string]string{
"fee": "-foo-",
},
}
for _, tc := range cases {
i := &I{Value: tc.Input}
result, err := i.Render(ctx)
if err != nil {
t.Fatalf("Input: %s\n\nerr: %s", tc.Input, err)
}
if diff := cmp.Diff(tc.Output, result); diff != "" {
t.Fatalf("Unexpected output: %s", diff)
}
}
}