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request_test.go
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package jsonapi
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"io"
"reflect"
"sort"
"strings"
"testing"
"time"
)
func TestUnmarshall_attrStringSlice(t *testing.T) {
out := &Book{}
tags := []string{"fiction", "sale"}
data := map[string]interface{}{
"data": map[string]interface{}{
"type": "books",
"id": "1",
"attributes": map[string]interface{}{"tags": tags},
},
}
b, err := json.Marshal(data)
if err != nil {
t.Fatal(err)
}
if err := UnmarshalPayload(bytes.NewReader(b), out); err != nil {
t.Fatal(err)
}
if e, a := len(tags), len(out.Tags); e != a {
t.Fatalf("Was expecting %d tags, got %d", e, a)
}
sort.Strings(tags)
sort.Strings(out.Tags)
for i, tag := range tags {
if e, a := tag, out.Tags[i]; e != a {
t.Fatalf("At index %d, was expecting %s got %s", i, e, a)
}
}
}
func TestUnmarshall_attrInterface(t *testing.T) {
tests := []struct {
genericData interface{}
expected reflect.Kind
}{
{
genericData: "foo",
expected: reflect.String,
},
{
genericData: true,
expected: reflect.Bool,
},
{
genericData: float64(5),
expected: reflect.Float64,
},
{
genericData: []string{"foo", "bar"},
expected: reflect.Slice,
},
{
genericData: map[string]string{
"foo": "bar",
},
expected: reflect.Map,
},
}
for _, tc := range tests {
out := &GenericInterface{}
data := map[string]interface{}{
"data": map[string]interface{}{
"type": "generic",
"id": "1",
"attributes": map[string]interface{}{
"interface": tc.genericData,
},
},
}
b, err := json.Marshal(data)
if err != nil {
t.Fatal(err)
}
if err := UnmarshalPayload(bytes.NewReader(b), out); err != nil {
t.Fatal(err)
}
if reflect.TypeOf(out.Data).Kind() != tc.expected {
t.Fatalf("Expected %v to match interface %v", out.Data, tc.expected)
}
}
}
func TestUnmarshalToStructWithPointerAttr(t *testing.T) {
out := new(WithPointer)
in := map[string]interface{}{
"name": "The name",
"is-active": true,
"int-val": 8,
"float-val": 1.1,
}
if err := UnmarshalPayload(sampleWithPointerPayload(in), out); err != nil {
t.Fatal(err)
}
if *out.Name != "The name" {
t.Fatalf("Error unmarshalling to string ptr")
}
if !*out.IsActive {
t.Fatalf("Error unmarshalling to bool ptr")
}
if *out.IntVal != 8 {
t.Fatalf("Error unmarshalling to int ptr")
}
if *out.FloatVal != 1.1 {
t.Fatalf("Error unmarshalling to float ptr")
}
}
func TestUnmarshalPayload_missingTypeFieldShouldError(t *testing.T) {
if err := UnmarshalPayload(
strings.NewReader(`{"data":{"body":"hello world"}}`),
&Post{},
); err == nil {
t.Fatalf("Expected an error but did not get one")
}
}
func TestUnmarshalPayload_ptrsAllNil(t *testing.T) {
out := new(WithPointer)
if err := UnmarshalPayload(
strings.NewReader(`{"data":{"type":"with-pointers"}}`), out); err != nil {
t.Fatalf("Error unmarshalling to Foo: %v", err)
}
if out.ID != nil {
t.Fatalf("Error unmarshalling; expected ID ptr to be nil")
}
}
func TestUnmarshalPayloadWithPointerID(t *testing.T) {
out := new(WithPointer)
attrs := map[string]interface{}{}
if err := UnmarshalPayload(sampleWithPointerPayload(attrs), out); err != nil {
t.Fatalf("Error unmarshalling to Foo")
}
// these were present in the payload -- expect val to be not nil
if out.ID == nil {
t.Fatalf("Error unmarshalling; expected ID ptr to be not nil")
}
if e, a := uint64(2), *out.ID; e != a {
t.Fatalf("Was expecting the ID to have a value of %d, got %d", e, a)
}
}
func TestUnmarshalPayloadWithPointerAttr_AbsentVal(t *testing.T) {
out := new(WithPointer)
in := map[string]interface{}{
"name": "The name",
"is-active": true,
}
if err := UnmarshalPayload(sampleWithPointerPayload(in), out); err != nil {
t.Fatalf("Error unmarshalling to Foo")
}
// these were present in the payload -- expect val to be not nil
if out.Name == nil || out.IsActive == nil {
t.Fatalf("Error unmarshalling; expected ptr to be not nil")
}
// these were absent in the payload -- expect val to be nil
if out.IntVal != nil || out.FloatVal != nil {
t.Fatalf("Error unmarshalling; expected ptr to be nil")
}
}
func TestUnmarshalToStructWithPointerAttr_BadType_bool(t *testing.T) {
out := new(WithPointer)
in := map[string]interface{}{
"name": true, // This is the wrong type.
}
expectedErrorMessage := "jsonapi: Can't unmarshal true (bool) to struct field `Name`, which is a pointer to `string`"
err := UnmarshalPayload(sampleWithPointerPayload(in), out)
if err == nil {
t.Fatalf("Expected error due to invalid type.")
}
if err.Error() != expectedErrorMessage {
t.Fatalf("Unexpected error message: %s", err.Error())
}
if _, ok := err.(ErrUnsupportedPtrType); !ok {
t.Fatalf("Unexpected error type: %s", reflect.TypeOf(err))
}
}
func TestUnmarshalToStructWithPointerAttr_BadType_MapPtr(t *testing.T) {
out := new(WithPointer)
in := map[string]interface{}{
"name": &map[string]interface{}{"a": 5}, // This is the wrong type.
}
expectedErrorMessage := "jsonapi: Can't unmarshal map[a:5] (map) to struct field `Name`, which is a pointer to `string`"
err := UnmarshalPayload(sampleWithPointerPayload(in), out)
if err == nil {
t.Fatalf("Expected error due to invalid type.")
}
if err.Error() != expectedErrorMessage {
t.Fatalf("Unexpected error message: %s", err.Error())
}
if _, ok := err.(ErrUnsupportedPtrType); !ok {
t.Fatalf("Unexpected error type: %s", reflect.TypeOf(err))
}
}
func TestUnmarshalToStructWithPointerAttr_BadType_Struct(t *testing.T) {
out := new(WithPointer)
type FooStruct struct{ A int }
in := map[string]interface{}{
"name": FooStruct{A: 5}, // This is the wrong type.
}
expectedErrorMessage := "jsonapi: Can't unmarshal map[A:5] (map) to struct field `Name`, which is a pointer to `string`"
err := UnmarshalPayload(sampleWithPointerPayload(in), out)
if err == nil {
t.Fatalf("Expected error due to invalid type.")
}
if err.Error() != expectedErrorMessage {
t.Fatalf("Unexpected error message: %s", err.Error())
}
if _, ok := err.(ErrUnsupportedPtrType); !ok {
t.Fatalf("Unexpected error type: %s", reflect.TypeOf(err))
}
}
func TestUnmarshalToStructWithPointerAttr_BadType_IntSlice(t *testing.T) {
out := new(WithPointer)
type FooStruct struct{ A, B int }
in := map[string]interface{}{
"name": []int{4, 5}, // This is the wrong type.
}
expectedErrorMessage := "jsonapi: Can't unmarshal [4 5] (slice) to struct field `Name`, which is a pointer to `string`"
err := UnmarshalPayload(sampleWithPointerPayload(in), out)
if err == nil {
t.Fatalf("Expected error due to invalid type.")
}
if err.Error() != expectedErrorMessage {
t.Fatalf("Unexpected error message: %s", err.Error())
}
if _, ok := err.(ErrUnsupportedPtrType); !ok {
t.Fatalf("Unexpected error type: %s", reflect.TypeOf(err))
}
}
func TestStringPointerField(t *testing.T) {
// Build Book payload
description := "Hello World!"
data := map[string]interface{}{
"data": map[string]interface{}{
"type": "books",
"id": "5",
"attributes": map[string]interface{}{
"author": "aren55555",
"description": description,
"isbn": "",
},
},
}
payload, err := json.Marshal(data)
if err != nil {
t.Fatal(err)
}
// Parse JSON API payload
book := new(Book)
if err := UnmarshalPayload(bytes.NewReader(payload), book); err != nil {
t.Fatal(err)
}
if book.Description == nil {
t.Fatal("Was not expecting a nil pointer for book.Description")
}
if expected, actual := description, *book.Description; expected != actual {
t.Fatalf("Was expecting descript to be `%s`, got `%s`", expected, actual)
}
}
func TestUnmarshalNullableTime(t *testing.T) {
aTime := time.Date(2016, 8, 17, 8, 27, 12, 23849, time.UTC)
out := new(WithNullableAttrs)
attrs := map[string]interface{}{
"name": "Name",
"int_time": aTime.Unix(),
"rfc3339_time": aTime.Format(time.RFC3339),
"iso8601_time": aTime.Format(iso8601TimeFormat),
}
if err := UnmarshalPayload(samplePayloadWithNullableAttrs(attrs), out); err != nil {
t.Fatal(err)
}
if out.IntTime == nil {
t.Fatal("Was not expecting a nil pointer for out.IntTime")
}
timeVal, err := out.IntTime.Get()
if err != nil {
t.Fatal(err)
}
if expected, actual := aTime, timeVal; expected.Equal(actual) {
t.Fatalf("Was expecting int_time to be `%s`, got `%s`", expected, actual)
}
timeVal, err = out.IntTime.Get()
if err != nil {
t.Fatal(err)
}
if out.RFC3339Time == nil {
t.Fatal("Was not expecting a nil pointer for out.RFC3339Time")
}
if expected, actual := aTime, timeVal; expected.Equal(actual) {
t.Fatalf("Was expecting descript to be `%s`, got `%s`", expected, actual)
}
timeVal, err = out.IntTime.Get()
if err != nil {
t.Fatal(err)
}
if out.ISO8601Time == nil {
t.Fatal("Was not expecting a nil pointer for out.ISO8601Time")
}
if expected, actual := aTime, timeVal; expected.Equal(actual) {
t.Fatalf("Was expecting descript to be `%s`, got `%s`", expected, actual)
}
}
func TestUnmarshalNullableBool(t *testing.T) {
out := new(WithNullableAttrs)
aBool := false
attrs := map[string]interface{}{
"name": "Name",
"bool": aBool,
}
if err := UnmarshalPayload(samplePayloadWithNullableAttrs(attrs), out); err != nil {
t.Fatal(err)
}
if out.Bool == nil {
t.Fatal("Was not expecting a nil pointer for out.Bool")
}
boolVal, err := out.Bool.Get()
if err != nil {
t.Fatal(err)
}
if expected, actual := aBool, boolVal; expected != actual {
t.Fatalf("Was expecting bool to be `%t`, got `%t`", expected, actual)
}
}
func TestMalformedTag(t *testing.T) {
out := new(BadModel)
err := UnmarshalPayload(samplePayload(), out)
if err == nil || err != ErrBadJSONAPIStructTag {
t.Fatalf("Did not error out with wrong number of arguments in tag")
}
}
func TestUnmarshalInvalidJSON(t *testing.T) {
in := strings.NewReader("{}")
out := new(Blog)
err := UnmarshalPayload(in, out)
if err == nil {
t.Fatalf("Did not error out the invalid JSON.")
}
}
func TestUnmarshalInvalidJSON_BadType(t *testing.T) {
var badTypeTests = []struct {
Field string
BadValue interface{}
Error error
}{ // The `Field` values here correspond to the `ModelBadTypes` jsonapi fields.
{Field: "string_field", BadValue: 0, Error: ErrUnknownFieldNumberType}, // Expected string.
{Field: "float_field", BadValue: "A string.", Error: ErrInvalidType}, // Expected float64.
{Field: "time_field", BadValue: "A string.", Error: ErrInvalidTime}, // Expected int64.
{Field: "time_ptr_field", BadValue: "A string.", Error: ErrInvalidTime}, // Expected *time / int64.
}
for _, test := range badTypeTests {
t.Run(fmt.Sprintf("Test_%s", test.Field), func(t *testing.T) {
out := new(ModelBadTypes)
in := map[string]interface{}{}
in[test.Field] = test.BadValue
expectedErrorMessage := test.Error.Error()
err := UnmarshalPayload(samplePayloadWithBadTypes(in), out)
if err == nil {
t.Fatalf("Expected error due to invalid type.")
}
if err.Error() != expectedErrorMessage {
t.Fatalf("Unexpected error message: %s", err.Error())
}
})
}
}
func TestUnmarshalSetsID(t *testing.T) {
in := samplePayloadWithID()
out := new(Blog)
if err := UnmarshalPayload(in, out); err != nil {
t.Fatal(err)
}
if out.ID != 2 {
t.Fatalf("Did not set ID on dst interface")
}
}
func TestUnmarshal_nonNumericID(t *testing.T) {
data := samplePayloadWithoutIncluded()
data["data"].(map[string]interface{})["id"] = "non-numeric-id"
payload, err := json.Marshal(data)
if err != nil {
t.Fatal(err)
}
in := bytes.NewReader(payload)
out := new(Post)
if err := UnmarshalPayload(in, out); err != ErrBadJSONAPIID {
t.Fatalf(
"Was expecting a `%s` error, got `%s`",
ErrBadJSONAPIID,
err,
)
}
}
func TestUnmarshalSetsAttrs(t *testing.T) {
out, err := unmarshalSamplePayload()
if err != nil {
t.Fatal(err)
}
if out.CreatedAt.IsZero() {
t.Fatalf("Did not parse time")
}
if out.ViewCount != 1000 {
t.Fatalf("View count not properly serialized")
}
}
func TestUnmarshal_Times(t *testing.T) {
aTime := time.Date(2016, 8, 17, 8, 27, 12, 0, time.UTC)
for _, tc := range []struct {
desc string
inputPayload *OnePayload
wantErr bool
verification func(tm *TimestampModel) error
}{
// Default:
{
desc: "default_byValue",
inputPayload: &OnePayload{
Data: &Node{
Type: "timestamps",
Attributes: map[string]interface{}{
"defaultv": aTime.Unix(),
},
},
},
verification: func(tm *TimestampModel) error {
if !tm.DefaultV.Equal(aTime) {
return errors.New("times not equal!")
}
return nil
},
},
{
desc: "default_byPointer",
inputPayload: &OnePayload{
Data: &Node{
Type: "timestamps",
Attributes: map[string]interface{}{
"defaultp": aTime.Unix(),
},
},
},
verification: func(tm *TimestampModel) error {
if !tm.DefaultP.Equal(aTime) {
return errors.New("times not equal!")
}
return nil
},
},
{
desc: "default_invalid",
inputPayload: &OnePayload{
Data: &Node{
Type: "timestamps",
Attributes: map[string]interface{}{
"defaultv": "not a timestamp!",
},
},
},
wantErr: true,
},
// ISO 8601:
{
desc: "iso8601_byValue",
inputPayload: &OnePayload{
Data: &Node{
Type: "timestamps",
Attributes: map[string]interface{}{
"iso8601v": "2016-08-17T08:27:12Z",
},
},
},
verification: func(tm *TimestampModel) error {
if !tm.ISO8601V.Equal(aTime) {
return errors.New("times not equal!")
}
return nil
},
},
{
desc: "iso8601_byPointer",
inputPayload: &OnePayload{
Data: &Node{
Type: "timestamps",
Attributes: map[string]interface{}{
"iso8601p": "2016-08-17T08:27:12Z",
},
},
},
verification: func(tm *TimestampModel) error {
if !tm.ISO8601P.Equal(aTime) {
return errors.New("times not equal!")
}
return nil
},
},
{
desc: "iso8601_invalid",
inputPayload: &OnePayload{
Data: &Node{
Type: "timestamps",
Attributes: map[string]interface{}{
"iso8601v": "not a timestamp",
},
},
},
wantErr: true,
},
// RFC 3339
{
desc: "rfc3339_byValue",
inputPayload: &OnePayload{
Data: &Node{
Type: "timestamps",
Attributes: map[string]interface{}{
"rfc3339v": "2016-08-17T08:27:12Z",
},
},
},
verification: func(tm *TimestampModel) error {
if got, want := tm.RFC3339V, aTime; got != want {
return fmt.Errorf("got %v, want %v", got, want)
}
return nil
},
},
{
desc: "rfc3339_byPointer",
inputPayload: &OnePayload{
Data: &Node{
Type: "timestamps",
Attributes: map[string]interface{}{
"rfc3339p": "2016-08-17T08:27:12Z",
},
},
},
verification: func(tm *TimestampModel) error {
if got, want := *tm.RFC3339P, aTime; got != want {
return fmt.Errorf("got %v, want %v", got, want)
}
return nil
},
},
{
desc: "rfc3339_invalid",
inputPayload: &OnePayload{
Data: &Node{
Type: "timestamps",
Attributes: map[string]interface{}{
"rfc3339v": "not a timestamp",
},
},
},
wantErr: true,
},
} {
t.Run(tc.desc, func(t *testing.T) {
// Serialize the OnePayload using the standard JSON library.
in := bytes.NewBuffer(nil)
if err := json.NewEncoder(in).Encode(tc.inputPayload); err != nil {
t.Fatal(err)
}
out := &TimestampModel{}
err := UnmarshalPayload(in, out)
if got, want := (err != nil), tc.wantErr; got != want {
t.Fatalf("UnmarshalPayload error: got %v, want %v", got, want)
}
if tc.verification != nil {
if err := tc.verification(out); err != nil {
t.Fatal(err)
}
}
})
}
}
func TestUnmarshalRelationshipsWithoutIncluded(t *testing.T) {
data, err := json.Marshal(samplePayloadWithoutIncluded())
if err != nil {
t.Fatal(err)
}
in := bytes.NewReader(data)
out := new(Post)
if err := UnmarshalPayload(in, out); err != nil {
t.Fatal(err)
}
// Verify each comment has at least an ID
for _, comment := range out.Comments {
if comment.ID == 0 {
t.Fatalf("The comment did not have an ID")
}
}
}
func TestUnmarshalRelationships(t *testing.T) {
out, err := unmarshalSamplePayload()
if err != nil {
t.Fatal(err)
}
if out.CurrentPost == nil {
t.Fatalf("Current post was not materialized")
}
if out.CurrentPost.Title != "Bas" || out.CurrentPost.Body != "Fuubar" {
t.Fatalf("Attributes were not set")
}
if len(out.Posts) != 2 {
t.Fatalf("There should have been 2 posts")
}
}
func Test_UnmarshalPayload_polymorphicRelations(t *testing.T) {
in := bytes.NewReader([]byte(`{
"data": {
"type": "blogs",
"id": "3",
"attributes": {
"title": "Hello, World"
},
"relationships": {
"hero-media": {
"data": {
"type": "videos",
"id": "1"
}
},
"media": {
"data": [
{
"type": "images",
"id": "1"
},
{
"type": "videos",
"id": "2"
}
]
}
}
},
"included": [
{
"type": "videos",
"id": "1",
"attributes": {
"captions": "It's Awesome!"
}
},
{
"type": "images",
"id": "1",
"attributes": {
"src": "/media/clear1x1.gif"
}
},
{
"type": "videos",
"id": "2",
"attributes": {
"captions": "Oh, I didn't see you there"
}
}
]
}`))
out := new(BlogPostWithPoly)
if err := UnmarshalPayload(in, out); err != nil {
t.Fatal(err)
}
if out.Title != "Hello, World" {
t.Errorf("expected Title %q but got %q", "Hello, World", out.Title)
}
if out.Hero.Image != nil {
t.Errorf("expected Hero image to be nil but got %+v", out.Hero.Image)
}
if out.Hero.Video == nil || out.Hero.Video.Captions != "It's Awesome!" {
t.Errorf("expected Hero to be the expected video relation but got %+v", out.Hero.Video)
}
// Unmarshals included records
if out.Media[0].Image == nil || out.Media[0].Image.Src != "/media/clear1x1.gif" {
t.Errorf("expected Media 0 to be the expected image relation but got %+v", out.Media[0].Image)
}
if out.Media[1].Video == nil || out.Media[1].Video.Captions != "Oh, I didn't see you there" {
t.Errorf("expected Media 1 to be the expected video relation but got %+v", out.Media[1].Video)
}
}
func Test_UnmarshalPayload_polymorphicRelations_no_choice(t *testing.T) {
type pointerToOne struct {
ID string `jsonapi:"primary,blogs"`
Title string `jsonapi:"attr,title"`
Hero *OneOfMedia `jsonapi:"polyrelation,hero-media,omitempty"`
}
in := bytes.NewReader([]byte(`{
"data": {
"type": "blogs",
"id": "3",
"attributes": {
"title": "Hello, World"
},
"relationships": {
"hero-media": {
"data": {
"type": "absolutely-not",
"id": "1",
"attributes": {
"captions": "It's Awesome!"
}
}
}
}
}
}`))
out := new(pointerToOne)
if err := UnmarshalPayload(in, out); err != nil {
t.Fatal(err)
}
if out.Title != "Hello, World" {
t.Errorf("expected Title %q but got %q", "Hello, World", out.Title)
}
if out.Hero == nil {
t.Fatal("expected Hero to not be nil")
}
if out.Hero.Image != nil || out.Hero.Video != nil {
t.Fatal("expected both Hero fields to be nil")
}
}
func Test_UnmarshalPayload_polymorphicRelations_omitted(t *testing.T) {
type pointerToOne struct {
ID string `jsonapi:"primary,blogs"`
Title string `jsonapi:"attr,title"`
Hero *OneOfMedia `jsonapi:"polyrelation,hero-media"`
}
in := bytes.NewReader([]byte(`{
"data": {
"type": "blogs",
"id": "3",
"attributes": {
"title": "Hello, World"
}
}
}`))
out := new(pointerToOne)
if err := UnmarshalPayload(in, out); err != nil {
t.Fatal(err)
}
if out.Title != "Hello, World" {
t.Errorf("expected Title %q but got %q", "Hello, World", out.Title)
}
if out.Hero != nil {
t.Fatalf("expected Hero to be nil, but got %+v", out.Hero)
}
}
func Test_UnmarshalPayload_polymorphicRelations_deprecatedRelation(t *testing.T) {
type withDeprecatedRelation struct {
ID string `jsonapi:"primary,blogs"`
Title string `jsonapi:"attr,title"`
Media *OneOfMedia `jsonapi:"polyrelation,media"`
Image *Image `jsonapi:"relation,media"` // Deprecated
}
in := bytes.NewReader([]byte(`{
"data": [{
"type": "blogs",
"id": "3",
"attributes": {
"title": "Hello, World"
},
"relationships": {
"media": {
"data": {
"type": "videos",
"id": "123"
}
}
}
}]
}`))
model := reflect.TypeOf(new(withDeprecatedRelation))
out, err := UnmarshalManyPayload(in, model)
if err != nil {
t.Fatal(err)
}
result := out[0].(*withDeprecatedRelation)
if result.Title != "Hello, World" {
t.Errorf("expected Title %q but got %q", "Hello, World", result.Title)
}
if result.Media.Video.ID != "123" {
t.Fatalf("expected Video to be \"123\", but got %+v", result.Media.Video)
}
}
func Test_choiceStructMapping(t *testing.T) {
cases := []struct {
val reflect.Type
}{
{val: reflect.TypeOf(&OneOfMedia{})},
{val: reflect.TypeOf([]*OneOfMedia{{}})},
}
for _, c := range cases {
result := choiceStructMapping(c.val)
imageField, ok := result["images"]
if !ok || imageField.FieldNum != 0 {
t.Errorf("expected \"images\" to be the first field, but got %d", imageField.FieldNum)
}
videoField, ok := result["videos"]
if !ok || videoField.FieldNum != 2 {
t.Errorf("expected \"videos\" to be the third field, but got %d", videoField.FieldNum)
}
}
}
func TestUnmarshalNullRelationship(t *testing.T) {
sample := map[string]interface{}{
"data": map[string]interface{}{
"type": "posts",
"id": "1",
"attributes": map[string]interface{}{
"body": "Hello",
"title": "World",
},
"relationships": map[string]interface{}{
"latest_comment": map[string]interface{}{
"data": nil, // empty to-one relationship
},
},
},
}
data, err := json.Marshal(sample)
if err != nil {
t.Fatal(err)
}
in := bytes.NewReader(data)
out := new(Post)
if err := UnmarshalPayload(in, out); err != nil {
t.Fatal(err)
}
if out.LatestComment != nil {
t.Fatalf("Latest Comment was not set to nil")
}
}
func TestUnmarshalNullRelationshipInSlice(t *testing.T) {
sample := map[string]interface{}{
"data": map[string]interface{}{
"type": "posts",
"id": "1",
"attributes": map[string]interface{}{
"body": "Hello",
"title": "World",
},
"relationships": map[string]interface{}{
"comments": map[string]interface{}{
"data": []interface{}{}, // empty to-many relationships
},
},
},
}
data, err := json.Marshal(sample)
if err != nil {
t.Fatal(err)
}
in := bytes.NewReader(data)
out := new(Post)
if err := UnmarshalPayload(in, out); err != nil {
t.Fatal(err)
}
if len(out.Comments) != 0 {
t.Fatalf("Wrong number of comments; Comments should be empty")
}
}
func TestUnmarshalNestedRelationships(t *testing.T) {
out, err := unmarshalSamplePayload()
if err != nil {
t.Fatal(err)
}
if out.CurrentPost == nil {
t.Fatalf("Current post was not materialized")
}
if out.CurrentPost.Comments == nil {
t.Fatalf("Did not materialize nested records, comments")
}
if len(out.CurrentPost.Comments) != 2 {
t.Fatalf("Wrong number of comments")
}
}
func TestUnmarshalRelationshipsSerializedEmbedded(t *testing.T) {