terraform/config/interpolate_test.go

284 lines
4.8 KiB
Go

package config
import (
"reflect"
"strings"
"testing"
"github.com/hashicorp/hil"
)
func TestNewInterpolatedVariable(t *testing.T) {
cases := []struct {
Input string
Result InterpolatedVariable
Error bool
}{
{
"var.foo",
&UserVariable{
Name: "foo",
key: "var.foo",
},
false,
},
{
"module.foo.bar",
&ModuleVariable{
Name: "foo",
Field: "bar",
key: "module.foo.bar",
},
false,
},
{
"count.index",
&CountVariable{
Type: CountValueIndex,
key: "count.index",
},
false,
},
{
"count.nope",
&CountVariable{
Type: CountValueInvalid,
key: "count.nope",
},
false,
},
{
"path.module",
&PathVariable{
Type: PathValueModule,
key: "path.module",
},
false,
},
{
"self.address",
&SelfVariable{
Field: "address",
key: "self.address",
},
false,
},
{
"terraform.env",
&TerraformVariable{
Field: "env",
key: "terraform.env",
},
false,
},
}
for i, tc := range cases {
actual, err := NewInterpolatedVariable(tc.Input)
if err != nil != tc.Error {
t.Fatalf("%d. Error: %s", i, err)
}
if !reflect.DeepEqual(actual, tc.Result) {
t.Fatalf("%d bad: %#v", i, actual)
}
}
}
func TestNewResourceVariable(t *testing.T) {
v, err := NewResourceVariable("foo.bar.baz")
if err != nil {
t.Fatalf("err: %s", err)
}
if v.Mode != ManagedResourceMode {
t.Fatalf("bad: %#v", v)
}
if v.Type != "foo" {
t.Fatalf("bad: %#v", v)
}
if v.Name != "bar" {
t.Fatalf("bad: %#v", v)
}
if v.Field != "baz" {
t.Fatalf("bad: %#v", v)
}
if v.Multi {
t.Fatal("should not be multi")
}
if v.FullKey() != "foo.bar.baz" {
t.Fatalf("bad: %#v", v)
}
}
func TestNewResourceVariableData(t *testing.T) {
v, err := NewResourceVariable("data.foo.bar.baz")
if err != nil {
t.Fatalf("err: %s", err)
}
if v.Mode != DataResourceMode {
t.Fatalf("bad: %#v", v)
}
if v.Type != "foo" {
t.Fatalf("bad: %#v", v)
}
if v.Name != "bar" {
t.Fatalf("bad: %#v", v)
}
if v.Field != "baz" {
t.Fatalf("bad: %#v", v)
}
if v.Multi {
t.Fatal("should not be multi")
}
if v.FullKey() != "data.foo.bar.baz" {
t.Fatalf("bad: %#v", v)
}
}
func TestNewUserVariable(t *testing.T) {
v, err := NewUserVariable("var.bar")
if err != nil {
t.Fatalf("err: %s", err)
}
if v.Name != "bar" {
t.Fatalf("bad: %#v", v.Name)
}
if v.FullKey() != "var.bar" {
t.Fatalf("bad: %#v", v)
}
}
func TestNewUserVariable_oldMapDotIndexErr(t *testing.T) {
_, err := NewUserVariable("var.bar.baz")
if err == nil || !strings.Contains(err.Error(), "Invalid dot index") {
t.Fatalf("Expected dot index err, got: %#v", err)
}
}
func TestResourceVariable_impl(t *testing.T) {
var _ InterpolatedVariable = new(ResourceVariable)
}
func TestResourceVariable_Multi(t *testing.T) {
v, err := NewResourceVariable("foo.bar.*.baz")
if err != nil {
t.Fatalf("err: %s", err)
}
if v.Type != "foo" {
t.Fatalf("bad: %#v", v)
}
if v.Name != "bar" {
t.Fatalf("bad: %#v", v)
}
if v.Field != "baz" {
t.Fatalf("bad: %#v", v)
}
if !v.Multi {
t.Fatal("should be multi")
}
}
func TestResourceVariable_MultiIndex(t *testing.T) {
cases := []struct {
Input string
Index int
Field string
}{
{"foo.bar.*.baz", -1, "baz"},
{"foo.bar.0.baz", 0, "baz"},
{"foo.bar.5.baz", 5, "baz"},
}
for _, tc := range cases {
v, err := NewResourceVariable(tc.Input)
if err != nil {
t.Fatalf("err: %s", err)
}
if !v.Multi {
t.Fatalf("should be multi: %s", tc.Input)
}
if v.Index != tc.Index {
t.Fatalf("bad: %d\n\n%s", v.Index, tc.Input)
}
if v.Field != tc.Field {
t.Fatalf("bad: %s\n\n%s", v.Field, tc.Input)
}
}
}
func TestUserVariable_impl(t *testing.T) {
var _ InterpolatedVariable = new(UserVariable)
}
func TestDetectVariables(t *testing.T) {
cases := []struct {
Input string
Result []InterpolatedVariable
}{
{
"foo $${var.foo}",
nil,
},
{
"foo ${var.foo}",
[]InterpolatedVariable{
&UserVariable{
Name: "foo",
key: "var.foo",
},
},
},
{
"foo ${var.foo} ${var.bar}",
[]InterpolatedVariable{
&UserVariable{
Name: "foo",
key: "var.foo",
},
&UserVariable{
Name: "bar",
key: "var.bar",
},
},
},
{
`foo ${module.foo.output["key"]}`,
[]InterpolatedVariable{
&ModuleVariable{
Name: "foo",
Field: "output",
key: "module.foo.output",
},
&ModuleVariable{
Name: "foo",
Field: "output",
key: "module.foo.output",
},
},
},
}
for _, tc := range cases {
ast, err := hil.Parse(tc.Input)
if err != nil {
t.Fatalf("%s\n\nInput: %s", err, tc.Input)
}
actual, err := DetectVariables(ast)
if err != nil {
t.Fatalf("err: %s", err)
}
if !reflect.DeepEqual(actual, tc.Result) {
t.Fatalf("bad: %#v\n\nInput: %s", actual, tc.Input)
}
}
}