terraform/configs/hcl2shim/values_test.go

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package hcl2shim
import (
"fmt"
"reflect"
"testing"
"github.com/hashicorp/terraform/configs/configschema"
"github.com/zclconf/go-cty/cty"
)
func TestConfigValueFromHCL2Block(t *testing.T) {
tests := []struct {
Input cty.Value
Schema *configschema.Block
Want map[string]interface{}
}{
{
cty.ObjectVal(map[string]cty.Value{
"name": cty.StringVal("Ermintrude"),
"age": cty.NumberIntVal(19),
"address": cty.ObjectVal(map[string]cty.Value{
"street": cty.ListVal([]cty.Value{cty.StringVal("421 Shoreham Loop")}),
"city": cty.StringVal("Fridgewater"),
"state": cty.StringVal("MA"),
"zip": cty.StringVal("91037"),
}),
}),
&configschema.Block{
Attributes: map[string]*configschema.Attribute{
"name": {Type: cty.String, Optional: true},
"age": {Type: cty.Number, Optional: true},
},
BlockTypes: map[string]*configschema.NestedBlock{
"address": {
Nesting: configschema.NestingSingle,
Block: configschema.Block{
Attributes: map[string]*configschema.Attribute{
"street": {Type: cty.List(cty.String), Optional: true},
"city": {Type: cty.String, Optional: true},
"state": {Type: cty.String, Optional: true},
"zip": {Type: cty.String, Optional: true},
},
},
},
},
},
map[string]interface{}{
"name": "Ermintrude",
"age": int(19),
"address": map[string]interface{}{
"street": []interface{}{"421 Shoreham Loop"},
"city": "Fridgewater",
"state": "MA",
"zip": "91037",
},
},
},
{
cty.ObjectVal(map[string]cty.Value{
"name": cty.StringVal("Ermintrude"),
"age": cty.NumberIntVal(19),
"address": cty.NullVal(cty.Object(map[string]cty.Type{
"street": cty.List(cty.String),
"city": cty.String,
"state": cty.String,
"zip": cty.String,
})),
}),
&configschema.Block{
Attributes: map[string]*configschema.Attribute{
"name": {Type: cty.String, Optional: true},
"age": {Type: cty.Number, Optional: true},
},
BlockTypes: map[string]*configschema.NestedBlock{
"address": {
Nesting: configschema.NestingSingle,
Block: configschema.Block{
Attributes: map[string]*configschema.Attribute{
"street": {Type: cty.List(cty.String), Optional: true},
"city": {Type: cty.String, Optional: true},
"state": {Type: cty.String, Optional: true},
"zip": {Type: cty.String, Optional: true},
},
},
},
},
},
map[string]interface{}{
"name": "Ermintrude",
"age": int(19),
},
},
{
cty.ObjectVal(map[string]cty.Value{
"name": cty.StringVal("Ermintrude"),
"age": cty.NumberIntVal(19),
"address": cty.ObjectVal(map[string]cty.Value{
"street": cty.ListVal([]cty.Value{cty.StringVal("421 Shoreham Loop")}),
"city": cty.StringVal("Fridgewater"),
"state": cty.StringVal("MA"),
"zip": cty.NullVal(cty.String), // should be omitted altogether in result
}),
}),
&configschema.Block{
Attributes: map[string]*configschema.Attribute{
"name": {Type: cty.String, Optional: true},
"age": {Type: cty.Number, Optional: true},
},
BlockTypes: map[string]*configschema.NestedBlock{
"address": {
Nesting: configschema.NestingSingle,
Block: configschema.Block{
Attributes: map[string]*configschema.Attribute{
"street": {Type: cty.List(cty.String), Optional: true},
"city": {Type: cty.String, Optional: true},
"state": {Type: cty.String, Optional: true},
"zip": {Type: cty.String, Optional: true},
},
},
},
},
},
map[string]interface{}{
"name": "Ermintrude",
"age": int(19),
"address": map[string]interface{}{
"street": []interface{}{"421 Shoreham Loop"},
"city": "Fridgewater",
"state": "MA",
},
},
},
{
cty.ObjectVal(map[string]cty.Value{
"address": cty.ListVal([]cty.Value{cty.EmptyObjectVal}),
}),
&configschema.Block{
BlockTypes: map[string]*configschema.NestedBlock{
"address": {
Nesting: configschema.NestingList,
Block: configschema.Block{},
},
},
},
map[string]interface{}{
"address": []interface{}{
map[string]interface{}{},
},
},
},
{
cty.ObjectVal(map[string]cty.Value{
"address": cty.ListValEmpty(cty.EmptyObject), // should be omitted altogether in result
}),
&configschema.Block{
BlockTypes: map[string]*configschema.NestedBlock{
"address": {
Nesting: configschema.NestingList,
Block: configschema.Block{},
},
},
},
map[string]interface{}{},
},
{
cty.ObjectVal(map[string]cty.Value{
"address": cty.SetVal([]cty.Value{cty.EmptyObjectVal}),
}),
&configschema.Block{
BlockTypes: map[string]*configschema.NestedBlock{
"address": {
Nesting: configschema.NestingSet,
Block: configschema.Block{},
},
},
},
map[string]interface{}{
"address": []interface{}{
map[string]interface{}{},
},
},
},
{
cty.ObjectVal(map[string]cty.Value{
"address": cty.SetValEmpty(cty.EmptyObject),
}),
&configschema.Block{
BlockTypes: map[string]*configschema.NestedBlock{
"address": {
Nesting: configschema.NestingSet,
Block: configschema.Block{},
},
},
},
map[string]interface{}{},
},
{
cty.ObjectVal(map[string]cty.Value{
"address": cty.MapVal(map[string]cty.Value{"foo": cty.EmptyObjectVal}),
}),
&configschema.Block{
BlockTypes: map[string]*configschema.NestedBlock{
"address": {
Nesting: configschema.NestingMap,
Block: configschema.Block{},
},
},
},
map[string]interface{}{
"address": map[string]interface{}{
"foo": map[string]interface{}{},
},
},
},
{
cty.ObjectVal(map[string]cty.Value{
"address": cty.MapValEmpty(cty.EmptyObject),
}),
&configschema.Block{
BlockTypes: map[string]*configschema.NestedBlock{
"address": {
Nesting: configschema.NestingMap,
Block: configschema.Block{},
},
},
},
map[string]interface{}{},
},
{
cty.NullVal(cty.EmptyObject),
&configschema.Block{},
nil,
},
}
for _, test := range tests {
t.Run(fmt.Sprintf("%#v", test.Input), func(t *testing.T) {
got := ConfigValueFromHCL2Block(test.Input, test.Schema)
if !reflect.DeepEqual(got, test.Want) {
t.Errorf("wrong result\ninput: %#v\ngot: %#v\nwant: %#v", test.Input, got, test.Want)
}
})
}
}
func TestConfigValueFromHCL2(t *testing.T) {
tests := []struct {
Input cty.Value
Want interface{}
}{
{
cty.True,
true,
},
{
cty.False,
false,
},
{
cty.NumberIntVal(12),
int(12),
},
{
cty.NumberFloatVal(12.5),
float64(12.5),
},
{
cty.StringVal("hello world"),
"hello world",
},
{
cty.ObjectVal(map[string]cty.Value{
"name": cty.StringVal("Ermintrude"),
"age": cty.NumberIntVal(19),
"address": cty.ObjectVal(map[string]cty.Value{
"street": cty.ListVal([]cty.Value{cty.StringVal("421 Shoreham Loop")}),
"city": cty.StringVal("Fridgewater"),
"state": cty.StringVal("MA"),
"zip": cty.StringVal("91037"),
}),
}),
map[string]interface{}{
"name": "Ermintrude",
"age": int(19),
"address": map[string]interface{}{
"street": []interface{}{"421 Shoreham Loop"},
"city": "Fridgewater",
"state": "MA",
"zip": "91037",
},
},
},
{
cty.MapVal(map[string]cty.Value{
"foo": cty.StringVal("bar"),
"bar": cty.StringVal("baz"),
}),
map[string]interface{}{
"foo": "bar",
"bar": "baz",
},
},
{
cty.TupleVal([]cty.Value{
cty.StringVal("foo"),
cty.True,
}),
[]interface{}{
"foo",
true,
},
},
{
cty.NullVal(cty.String),
nil,
},
{
cty.UnknownVal(cty.String),
UnknownVariableValue,
},
}
for _, test := range tests {
t.Run(fmt.Sprintf("%#v", test.Input), func(t *testing.T) {
got := ConfigValueFromHCL2(test.Input)
if !reflect.DeepEqual(got, test.Want) {
t.Errorf("wrong result\ninput: %#v\ngot: %#v\nwant: %#v", test.Input, got, test.Want)
}
})
}
}
func TestHCL2ValueFromConfigValue(t *testing.T) {
tests := []struct {
Input interface{}
Want cty.Value
}{
{
nil,
cty.NullVal(cty.DynamicPseudoType),
},
{
UnknownVariableValue,
cty.DynamicVal,
},
{
true,
cty.True,
},
{
false,
cty.False,
},
{
int(12),
cty.NumberIntVal(12),
},
{
int(0),
cty.Zero,
},
{
float64(12.5),
cty.NumberFloatVal(12.5),
},
{
"hello world",
cty.StringVal("hello world"),
},
{
"O\u0308", // decomposed letter + diacritic
cty.StringVal("\u00D6"), // NFC-normalized on entry into cty
},
{
[]interface{}{},
cty.EmptyTupleVal,
},
{
[]interface{}(nil),
cty.EmptyTupleVal,
},
{
[]interface{}{"hello", "world"},
cty.TupleVal([]cty.Value{cty.StringVal("hello"), cty.StringVal("world")}),
},
{
map[string]interface{}{},
cty.EmptyObjectVal,
},
{
map[string]interface{}(nil),
cty.EmptyObjectVal,
},
{
map[string]interface{}{
"foo": "bar",
"bar": "baz",
},
cty.ObjectVal(map[string]cty.Value{
"foo": cty.StringVal("bar"),
"bar": cty.StringVal("baz"),
}),
},
}
for _, test := range tests {
t.Run(fmt.Sprintf("%#v", test.Input), func(t *testing.T) {
got := HCL2ValueFromConfigValue(test.Input)
if !got.RawEquals(test.Want) {
t.Errorf("wrong result\ninput: %#v\ngot: %#v\nwant: %#v", test.Input, got, test.Want)
}
})
}
}