Consul is a distributed, highly available, and data center aware solution to connect and configure applications across dynamic, distributed infrastructure.
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// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: BUSL-1.1
package protohcl
import (
"encoding/json"
"fmt"
"reflect"
"testing"
"time"
"github.com/stretchr/testify/require"
"github.com/zclconf/go-cty/cty"
"github.com/zclconf/go-cty/cty/function"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/types/known/anypb"
"github.com/hashicorp/consul/internal/protohcl/testproto"
"github.com/hashicorp/hcl/v2/hclparse"
)
func TestPrimitives(t *testing.T) {
hcl := `
double_val = 1.234
float_val = 2.345
int32_val = 536870912
int64_val = 25769803776
uint32_val = 2148532224
uint64_val = 9223372041149743104
sint32_val = 536870912
sint64_val = 25769803776
fixed32_val = 2148532224
fixed64_val = 9223372041149743104
sfixed32_val = 536870912
sfixed64_val = 25769803776
bool_val = true
string_val = "foo"
// This is base64 encoded "bar"
byte_val = "YmFy"
`
var out testproto.Primitives
err := Unmarshal([]byte(hcl), &out)
require.NoError(t, err)
require.Equal(t, out.DoubleVal, float64(1.234))
require.Equal(t, out.FloatVal, float32(2.345))
require.Equal(t, out.Int32Val, int32(536870912))
require.Equal(t, out.Int64Val, int64(25769803776))
require.Equal(t, out.Uint32Val, uint32(2148532224))
require.Equal(t, out.Uint64Val, uint64(9223372041149743104))
require.Equal(t, out.Sint32Val, int32(536870912))
require.Equal(t, out.Sint64Val, int64(25769803776))
require.Equal(t, out.Fixed32Val, uint32(2148532224))
require.Equal(t, out.Fixed64Val, uint64(9223372041149743104))
require.Equal(t, out.Sfixed32Val, int32(536870912))
require.Equal(t, out.Sfixed64Val, int64(25769803776))
require.Equal(t, out.BoolVal, true)
require.Equal(t, out.StringVal, "foo")
require.Equal(t, out.ByteVal, []byte("bar"))
}
func TestNestedAndCollections(t *testing.T) {
hcl := `
primitives {
uint32_val = 42
}
primitives_map "foo" {
uint32_val = 42
}
protocol_map = {
"foo" = "PROTOCOL_TCP"
}
primitives_list {
uint32_val = 42
}
primitives_list {
uint32_val = 56
}
int_list = [
1,
2
]
`
var out testproto.NestedAndCollections
err := Unmarshal([]byte(hcl), &out)
require.NoError(t, err)
require.NotNil(t, out.Primitives)
require.Equal(t, out.Primitives.Uint32Val, uint32(42))
require.NotNil(t, out.PrimitivesMap)
require.Equal(t, out.PrimitivesMap["foo"].Uint32Val, uint32(42))
require.NotNil(t, out.ProtocolMap)
require.Equal(t, out.ProtocolMap["foo"], testproto.Protocol_PROTOCOL_TCP)
require.Len(t, out.PrimitivesList, 2)
require.Equal(t, out.PrimitivesList[0].Uint32Val, uint32(42))
require.Equal(t, out.PrimitivesList[1].Uint32Val, uint32(56))
require.Len(t, out.IntList, 2)
require.Equal(t, out.IntList[1], int32(2))
}
func TestNestedAndCollections_AttributeSyntax(t *testing.T) {
hcl := `
primitives {
uint32_val = 42
}
primitives_map = {
"foo" = {
uint32_val = 42
}
}
protocol_map = {
"foo" = "PROTOCOL_TCP"
}
primitives_list = [
{
uint32_val = 42
},
{
uint32_val = 56
}
]
int_list = [
1,
2
]
`
var out testproto.NestedAndCollections
err := Unmarshal([]byte(hcl), &out)
require.NoError(t, err)
require.NotNil(t, out.Primitives)
require.Equal(t, out.Primitives.Uint32Val, uint32(42))
require.NotNil(t, out.PrimitivesMap)
require.Equal(t, out.PrimitivesMap["foo"].Uint32Val, uint32(42))
require.NotNil(t, out.ProtocolMap)
require.Equal(t, out.ProtocolMap["foo"], testproto.Protocol_PROTOCOL_TCP)
require.Len(t, out.PrimitivesList, 2)
require.Equal(t, out.PrimitivesList[0].Uint32Val, uint32(42))
require.Equal(t, out.PrimitivesList[1].Uint32Val, uint32(56))
require.Len(t, out.IntList, 2)
require.Equal(t, out.IntList[1], int32(2))
}
func TestPrimitiveWrappers(t *testing.T) {
hcl := `
double_val = 1.234
float_val = 2.345
int32_val = 536870912
int64_val = 25769803776
uint32_val = 2148532224
uint64_val = 9223372041149743104
bool_val = true
string_val = "foo"
// This is base64 encoded "bar"
bytes_val = "YmFy"
`
var out testproto.Wrappers
err := Unmarshal([]byte(hcl), &out)
require.NoError(t, err)
require.Equal(t, out.DoubleVal.Value, float64(1.234))
require.Equal(t, out.FloatVal.Value, float32(2.345))
require.Equal(t, out.Int32Val.Value, int32(536870912))
require.Equal(t, out.Int64Val.Value, int64(25769803776))
require.Equal(t, out.Uint32Val.Value, uint32(2148532224))
require.Equal(t, out.Uint64Val.Value, uint64(9223372041149743104))
require.Equal(t, out.BoolVal.Value, true)
require.Equal(t, out.StringVal.Value, "foo")
require.Equal(t, out.BytesVal.Value, []byte("bar"))
}
func TestNonDynamicWellKnown(t *testing.T) {
hcl := `
empty_val = {}
timestamp_val = "2023-02-27T12:34:56.789Z"
duration_val = "12s"
`
var out testproto.NonDynamicWellKnown
err := Unmarshal([]byte(hcl), &out)
require.NoError(t, err)
require.NotNil(t, out.EmptyVal)
require.NotNil(t, out.TimestampVal)
require.Equal(t, out.TimestampVal.AsTime(), time.Date(2023, 2, 27, 12, 34, 56, 789000000, time.UTC))
require.NotNil(t, out.DurationVal)
require.Equal(t, out.DurationVal.AsDuration(), time.Second*12)
}
func TestInvalidTimestamp(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
cases := map[string]struct {
hcl string
expectXDS bool
}{
"invalid": {
hcl: `
timestamp_val = "Sat Jun 12 2023 14:59:57 GMT+0200"
`,
},
"range error": {
hcl: `
timestamp_val = "2023-02-27T25:34:56.789Z"
`,
},
}
for name, tc := range cases {
tc := tc
var out testproto.NonDynamicWellKnown
t.Run(name, func(t *testing.T) {
err := Unmarshal([]byte(tc.hcl), &out)
require.Error(t, err)
require.Nil(t, out.TimestampVal)
require.ErrorContains(t, err, "error parsing timestamp")
})
}
}
func TestInvalidDuration(t *testing.T) {
hcl := `
duration_val = "abc"
`
var out testproto.NonDynamicWellKnown
err := Unmarshal([]byte(hcl), &out)
require.ErrorContains(t, err, "error parsing string duration:")
require.Nil(t, out.DurationVal)
}
func TestOneOf(t *testing.T) {
hcl1 := `
int32_val = 3
`
hcl2 := `
primitives {
int32_val = 3
}
`
hcl3 := `
int32_val = 3
primitives {
int32_val = 4
}
`
var out testproto.OneOf
err := Unmarshal([]byte(hcl1), &out)
require.NoError(t, err)
require.Equal(t, out.GetInt32Val(), int32(3))
err = Unmarshal([]byte(hcl2), &out)
require.NoError(t, err)
primitives := out.GetPrimitives()
require.NotNil(t, primitives)
require.Equal(t, primitives.Int32Val, int32(3))
err = Unmarshal([]byte(hcl3), &out)
require.Error(t, err)
}
func TestAny(t *testing.T) {
hcl := `
any_val {
type_url = "hashicorp.consul.internal.protohcl.testproto.Primitives"
uint32_val = 42
}
any_list = [
{
type_url = "hashicorp.consul.internal.protohcl.testproto.Primitives"
uint32_val = 123
},
{
type_url = "hashicorp.consul.internal.protohcl.testproto.Wrappers"
uint32_val = 321
}
]
`
var out testproto.DynamicWellKnown
err := Unmarshal([]byte(hcl), &out)
require.NoError(t, err)
require.NotNil(t, out.AnyVal)
require.Equal(t, out.AnyVal.TypeUrl, "hashicorp.consul.internal.protohcl.testproto.Primitives")
raw, err := anypb.UnmarshalNew(out.AnyVal, proto.UnmarshalOptions{})
require.NoError(t, err)
require.NotNil(t, raw)
primitives, ok := raw.(*testproto.Primitives)
require.True(t, ok)
require.Equal(t, primitives.Uint32Val, uint32(42))
}
func TestAnyTypeDynamicWellKnown(t *testing.T) {
hcl := `
any_val {
type_url = "hashicorp.consul.internal.protohcl.testproto.DynamicWellKnown"
any_val {
type_url = "hashicorp.consul.internal.protohcl.testproto.Primitives"
uint32_val = 42
}
}
`
var out testproto.DynamicWellKnown
err := Unmarshal([]byte(hcl), &out)
require.NoError(t, err)
require.NotNil(t, out.AnyVal)
require.Equal(t, out.AnyVal.TypeUrl, "hashicorp.consul.internal.protohcl.testproto.DynamicWellKnown")
raw, err := anypb.UnmarshalNew(out.AnyVal, proto.UnmarshalOptions{})
require.NoError(t, err)
require.NotNil(t, raw)
anyVal, ok := raw.(*testproto.DynamicWellKnown)
require.True(t, ok)
res, err := anypb.UnmarshalNew(anyVal.AnyVal, proto.UnmarshalOptions{})
require.NoError(t, err)
require.NotNil(t, res)
primitives, ok := res.(*testproto.Primitives)
require.True(t, ok)
require.Equal(t, primitives.Uint32Val, uint32(42))
}
func TestAnyTypeNestedAndCollections(t *testing.T) {
hcl := `
any_val {
type_url = "hashicorp.consul.internal.protohcl.testproto.NestedAndCollections"
primitives {
uint32_val = 42
}
}
`
var out testproto.DynamicWellKnown
err := Unmarshal([]byte(hcl), &out)
require.NoError(t, err)
require.NotNil(t, out.AnyVal)
require.Equal(t, out.AnyVal.TypeUrl, "hashicorp.consul.internal.protohcl.testproto.NestedAndCollections")
raw, err := anypb.UnmarshalNew(out.AnyVal, proto.UnmarshalOptions{})
require.NoError(t, err)
require.NotNil(t, raw)
nestedCollections, ok := raw.(*testproto.NestedAndCollections)
require.True(t, ok)
require.NotNil(t, nestedCollections.Primitives)
require.Equal(t, nestedCollections.Primitives.Uint32Val, uint32(42))
}
func TestAnyTypeErrors(t *testing.T) {
type testCase struct {
description string
hcl string
error string
}
testCases := []testCase{
{
description: "type_url is expected",
hcl: `
any_val {
uint32_val = 42
}
`,
error: "type_url field is required to decode Any",
},
{
description: "type_url is unknown",
hcl: `
any_val {
type_url = "hashicorp.consul.internal.protohcl.testproto.Integer"
uint32_val = 42
}
`,
error: "error looking up type information for hashicorp.consul.internal.protohcl.testproto.Integer",
},
{
description: "unknown field",
hcl: `
any_val {
type_url = "hashicorp.consul.internal.protohcl.testproto.Primitives"
int_val = 42
}
`,
error: "Unsupported argument; An argument named \"int_val\" is not expected here",
},
}
for _, tc := range testCases {
tc := tc
t.Run(tc.description, func(t *testing.T) {
t.Parallel()
var out testproto.DynamicWellKnown
err := Unmarshal([]byte(tc.hcl), &out)
require.Error(t, err)
require.Contains(t, err.Error(), tc.error)
})
}
}
func TestStruct(t *testing.T) {
hcl := `
struct_val = {
"null"= null
"bool"= true
"foo" = "bar"
"baz" = 1.234
"nested" = {
"foo" = 12,
"bar" = "something"
}
}
`
var out testproto.DynamicWellKnown
err := Unmarshal([]byte(hcl), &out)
require.NoError(t, err)
require.NotNil(t, out.StructVal)
valMap := out.StructVal.AsMap()
jsonVal, err := json.Marshal(valMap)
require.NoError(t, err)
expected := `{
"null": null,
"bool": true,
"foo": "bar",
"baz": 1.234,
"nested": {
"foo": 12,
"bar": "something"
}
}
`
require.JSONEq(t, expected, string(jsonVal))
}
func TestStructList(t *testing.T) {
hcl := `
struct_val = {
"list_int" = [
1,
2,
3,
]
"list_string": [
"abc",
"def"
]
"list_bool": [
true,
false
]
"list_maps" = [
{
"arrr" = "matey"
},
{
"hoist" = "the colors"
}
]
"list_list" = [
[
"hello",
"world",
null
]
]
}
`
var out testproto.DynamicWellKnown
err := Unmarshal([]byte(hcl), &out)
require.NoError(t, err)
require.NotNil(t, out.StructVal)
valMap := out.StructVal.AsMap()
jsonVal, err := json.Marshal(valMap)
require.NoError(t, err)
expected := `{
"list_int": [
1,
2,
3
],
"list_string": [
"abc",
"def"
],
"list_bool": [
true,
false
],
"list_maps": [
{
"arrr": "matey"
},
{
"hoist": "the colors"
}
],
"list_list": [
[
"hello",
"world",
null
]
]
}
`
require.JSONEq(t, expected, string(jsonVal))
}
func TestFunctionExecution(t *testing.T) {
hcl := `
primitives = primitive_defaults()
`
var out testproto.NestedAndCollections
var (
testType = cty.Capsule("type", reflect.TypeOf(testproto.Primitives{}))
test = function.New(&function.Spec{
Params: []function.Parameter{},
Type: function.StaticReturnType(testType),
Impl: func(args []cty.Value, _ cty.Type) (cty.Value, error) {
t := &testproto.Primitives{
StringVal: "test",
Int32Val: 10,
BoolVal: false,
}
return cty.CapsuleVal(testType, t), nil
},
})
)
err := UnmarshalOptions{
Functions: map[string]function.Function{"primitive_defaults": test},
}.Unmarshal([]byte(hcl), &out)
require.NoError(t, err)
require.NotNil(t, out.Primitives)
require.Equal(t, out.Primitives.StringVal, "test")
require.Equal(t, out.Primitives.Int32Val, int32(10))
require.Equal(t, out.Primitives.BoolVal, false)
}
func TestSkipFields(t *testing.T) {
u := UnmarshalOptions{}
hcl := `
any_val {
type_url = "hashicorp.consul.internal.protohcl.testproto.Primitives"
uint32_val = 10
}`
file, diags := hclparse.NewParser().ParseHCL([]byte(hcl), "")
require.False(t, diags.HasErrors())
decoder := u.bodyDecoder(file.Body)
decoder = decoder.SkipFields("type_url")
decoder = decoder.SkipFields("type_url", "uint32_val")
expected := map[string]struct{}{
"type_url": {},
"uint32_val": {},
}
require.Contains(t, fmt.Sprintf("%v", decoder), fmt.Sprintf("%v", expected))
}