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