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Define error constants for JSON marshaling/unmarshaling tests

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Introduced `ErrUnmarshalFailed` and `ErrMarshalFailed` constants to standardize error messages in JSON tests. This enhances code readability and maintainability by avoiding repeated strings directly in the test cases.
This commit is contained in:
Winni Neessen 2024-09-11 10:27:55 +02:00
parent 44cc717bc3
commit 296050ca70
Signed by: wneessen
GPG key ID: 385AC9889632126E
1 changed files with 29 additions and 24 deletions
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53
niljson_test.go
View file

@ -12,6 +12,11 @@ import (
"testing" "testing"
) )
const (
ErrUnmarshalFailed = "failed to unmarshal json with nil types: %s"
ErrMarshalFailed = "failed to marshal json with nil types: %s"
)
var jsonBytes = []byte( var jsonBytes = []byte(
`{ `{
"bool": true, "bool": true,
@ -37,7 +42,7 @@ func TestVariable_UnmarshalJSON_Boolean(t *testing.T) {
var jt JSONType var jt JSONType
if err := json.Unmarshal(jsonBytes, &jt); err != nil { if err := json.Unmarshal(jsonBytes, &jt); err != nil {
t.Errorf("failed to unmarshal json with nil types: %s", err) t.Errorf(ErrUnmarshalFailed, err)
} }
if jt.Value.IsNil() { if jt.Value.IsNil() {
@ -68,7 +73,7 @@ func TestVariable_MarshalJSON_Boolean(t *testing.T) {
} }
data, err := json.Marshal(&jt) data, err := json.Marshal(&jt)
if err != nil { if err != nil {
t.Errorf("failed to marshal json with nil types: %s", err) t.Errorf(ErrMarshalFailed, err)
} }
if !bytes.Equal(data, []byte(expected)) { if !bytes.Equal(data, []byte(expected)) {
t.Errorf("expected json to be %q, got %q", expected, string(data)) t.Errorf("expected json to be %q, got %q", expected, string(data))
@ -83,7 +88,7 @@ func TestVariable_UnmarshalJSON_ByteSlice(t *testing.T) {
var jt JSONType var jt JSONType
if err := json.Unmarshal(jsonBytes, &jt); err != nil { if err := json.Unmarshal(jsonBytes, &jt); err != nil {
t.Errorf("failed to unmarshal json with nil types: %s", err) t.Errorf(ErrUnmarshalFailed, err)
} }
if jt.Value.IsNil() { if jt.Value.IsNil() {
@ -114,7 +119,7 @@ func TestVariable_MarshalJSON_ByteSlice(t *testing.T) {
} }
data, err := json.Marshal(&jt) data, err := json.Marshal(&jt)
if err != nil { if err != nil {
t.Errorf("failed to marshal json with nil types: %s", err) t.Errorf(ErrMarshalFailed, err)
} }
if !bytes.Equal(data, []byte(expected)) { if !bytes.Equal(data, []byte(expected)) {
t.Errorf("expected json to be %q, got %q", expected, string(data)) t.Errorf("expected json to be %q, got %q", expected, string(data))
@ -130,7 +135,7 @@ func TestVariable_UnmarshalJSON_Float32(t *testing.T) {
var jt JSONType var jt JSONType
if err := json.Unmarshal(jsonBytes, &jt); err != nil { if err := json.Unmarshal(jsonBytes, &jt); err != nil {
t.Errorf("failed to unmarshal json with nil types: %s", err) t.Errorf(ErrUnmarshalFailed, err)
} }
if jt.Value.IsNil() { if jt.Value.IsNil() {
@ -161,7 +166,7 @@ func TestVariable_MarshalJSON_Float32(t *testing.T) {
} }
data, err := json.Marshal(&jt) data, err := json.Marshal(&jt)
if err != nil { if err != nil {
t.Errorf("failed to marshal json with nil types: %s", err) t.Errorf(ErrMarshalFailed, err)
} }
if !bytes.Equal(data, []byte(expected)) { if !bytes.Equal(data, []byte(expected)) {
t.Errorf("expected json to be %q, got %q", expected, string(data)) t.Errorf("expected json to be %q, got %q", expected, string(data))
@ -177,7 +182,7 @@ func TestVariable_UnmarshalJSON_Float64(t *testing.T) {
var jt JSONType var jt JSONType
if err := json.Unmarshal(jsonBytes, &jt); err != nil { if err := json.Unmarshal(jsonBytes, &jt); err != nil {
t.Errorf("failed to unmarshal json with nil types: %s", err) t.Errorf(ErrUnmarshalFailed, err)
} }
if jt.Value.IsNil() { if jt.Value.IsNil() {
@ -208,7 +213,7 @@ func TestVariable_MarshalJSON_Float64(t *testing.T) {
} }
data, err := json.Marshal(&jt) data, err := json.Marshal(&jt)
if err != nil { if err != nil {
t.Errorf("failed to marshal json with nil types: %s", err) t.Errorf(ErrMarshalFailed, err)
} }
if !bytes.Equal(data, []byte(expected)) { if !bytes.Equal(data, []byte(expected)) {
t.Errorf("expected json to be %q, got %q", expected, string(data)) t.Errorf("expected json to be %q, got %q", expected, string(data))
@ -224,7 +229,7 @@ func TestVariable_UnmarshalJSON_Int(t *testing.T) {
var jt JSONType var jt JSONType
if err := json.Unmarshal(jsonBytes, &jt); err != nil { if err := json.Unmarshal(jsonBytes, &jt); err != nil {
t.Errorf("failed to unmarshal json with nil types: %s", err) t.Errorf(ErrUnmarshalFailed, err)
} }
if jt.Value.IsNil() { if jt.Value.IsNil() {
@ -255,7 +260,7 @@ func TestVariable_MarshalJSON_Int(t *testing.T) {
} }
data, err := json.Marshal(&jt) data, err := json.Marshal(&jt)
if err != nil { if err != nil {
t.Errorf("failed to marshal json with nil types: %s", err) t.Errorf(ErrMarshalFailed, err)
} }
if !bytes.Equal(data, []byte(expected)) { if !bytes.Equal(data, []byte(expected)) {
t.Errorf("expected json to be %q, got %q", expected, string(data)) t.Errorf("expected json to be %q, got %q", expected, string(data))
@ -271,7 +276,7 @@ func TestVariable_UnmarshalJSON_Int64(t *testing.T) {
var jt JSONType var jt JSONType
if err := json.Unmarshal(jsonBytes, &jt); err != nil { if err := json.Unmarshal(jsonBytes, &jt); err != nil {
t.Errorf("failed to unmarshal json with nil types: %s", err) t.Errorf(ErrUnmarshalFailed, err)
} }
if jt.Value.IsNil() { if jt.Value.IsNil() {
@ -302,7 +307,7 @@ func TestVariable_MarshalJSON_Int64(t *testing.T) {
} }
data, err := json.Marshal(&jt) data, err := json.Marshal(&jt)
if err != nil { if err != nil {
t.Errorf("failed to marshal json with nil types: %s", err) t.Errorf(ErrMarshalFailed, err)
} }
if !bytes.Equal(data, []byte(expected)) { if !bytes.Equal(data, []byte(expected)) {
t.Errorf("expected json to be %q, got %q", expected, string(data)) t.Errorf("expected json to be %q, got %q", expected, string(data))
@ -318,7 +323,7 @@ func TestVariable_UnmarshalJSON_String(t *testing.T) {
var jt JSONType var jt JSONType
if err := json.Unmarshal(jsonBytes, &jt); err != nil { if err := json.Unmarshal(jsonBytes, &jt); err != nil {
t.Errorf("failed to unmarshal json with nil types: %s", err) t.Errorf(ErrUnmarshalFailed, err)
} }
if jt.Value.IsNil() { if jt.Value.IsNil() {
@ -349,7 +354,7 @@ func TestVariable_MarshalJSON_String(t *testing.T) {
} }
data, err := json.Marshal(&jt) data, err := json.Marshal(&jt)
if err != nil { if err != nil {
t.Errorf("failed to marshal json with nil types: %s", err) t.Errorf(ErrMarshalFailed, err)
} }
if !bytes.Equal(data, []byte(expected)) { if !bytes.Equal(data, []byte(expected)) {
t.Errorf("expected json to be %q, got %q", expected, string(data)) t.Errorf("expected json to be %q, got %q", expected, string(data))
@ -365,7 +370,7 @@ func TestVariable_UnmarshalJSON_UInt(t *testing.T) {
var jt JSONType var jt JSONType
if err := json.Unmarshal(jsonBytes, &jt); err != nil { if err := json.Unmarshal(jsonBytes, &jt); err != nil {
t.Errorf("failed to unmarshal json with nil types: %s", err) t.Errorf(ErrUnmarshalFailed, err)
} }
if jt.Value.IsNil() { if jt.Value.IsNil() {
@ -396,7 +401,7 @@ func TestVariable_MarshalJSON_UInt(t *testing.T) {
} }
data, err := json.Marshal(&jt) data, err := json.Marshal(&jt)
if err != nil { if err != nil {
t.Errorf("failed to marshal json with nil types: %s", err) t.Errorf(ErrMarshalFailed, err)
} }
if !bytes.Equal(data, []byte(expected)) { if !bytes.Equal(data, []byte(expected)) {
t.Errorf("expected json to be %q, got %q", expected, string(data)) t.Errorf("expected json to be %q, got %q", expected, string(data))
@ -412,7 +417,7 @@ func TestVariable_UnmarshalJSON_UInt8(t *testing.T) {
var jt JSONType var jt JSONType
if err := json.Unmarshal(jsonBytes, &jt); err != nil { if err := json.Unmarshal(jsonBytes, &jt); err != nil {
t.Errorf("failed to unmarshal json with nil types: %s", err) t.Errorf(ErrUnmarshalFailed, err)
} }
if jt.Value.IsNil() { if jt.Value.IsNil() {
@ -443,7 +448,7 @@ func TestVariable_MarshalJSON_UInt8(t *testing.T) {
} }
data, err := json.Marshal(&jt) data, err := json.Marshal(&jt)
if err != nil { if err != nil {
t.Errorf("failed to marshal json with nil types: %s", err) t.Errorf(ErrMarshalFailed, err)
} }
if !bytes.Equal(data, []byte(expected)) { if !bytes.Equal(data, []byte(expected)) {
t.Errorf("expected json to be %q, got %q", expected, string(data)) t.Errorf("expected json to be %q, got %q", expected, string(data))
@ -459,7 +464,7 @@ func TestVariable_UnmarshalJSON_UInt16(t *testing.T) {
var jt JSONType var jt JSONType
if err := json.Unmarshal(jsonBytes, &jt); err != nil { if err := json.Unmarshal(jsonBytes, &jt); err != nil {
t.Errorf("failed to unmarshal json with nil types: %s", err) t.Errorf(ErrUnmarshalFailed, err)
} }
if jt.Value.IsNil() { if jt.Value.IsNil() {
@ -490,7 +495,7 @@ func TestVariable_MarshalJSON_UInt16(t *testing.T) {
} }
data, err := json.Marshal(&jt) data, err := json.Marshal(&jt)
if err != nil { if err != nil {
t.Errorf("failed to marshal json with nil types: %s", err) t.Errorf(ErrMarshalFailed, err)
} }
if !bytes.Equal(data, []byte(expected)) { if !bytes.Equal(data, []byte(expected)) {
t.Errorf("expected json to be %q, got %q", expected, string(data)) t.Errorf("expected json to be %q, got %q", expected, string(data))
@ -506,7 +511,7 @@ func TestVariable_UnmarshalJSON_UInt32(t *testing.T) {
var jt JSONType var jt JSONType
if err := json.Unmarshal(jsonBytes, &jt); err != nil { if err := json.Unmarshal(jsonBytes, &jt); err != nil {
t.Errorf("failed to unmarshal json with nil types: %s", err) t.Errorf(ErrUnmarshalFailed, err)
} }
if jt.Value.IsNil() { if jt.Value.IsNil() {
@ -537,7 +542,7 @@ func TestVariable_MarshalJSON_UInt32(t *testing.T) {
} }
data, err := json.Marshal(&jt) data, err := json.Marshal(&jt)
if err != nil { if err != nil {
t.Errorf("failed to marshal json with nil types: %s", err) t.Errorf(ErrMarshalFailed, err)
} }
if !bytes.Equal(data, []byte(expected)) { if !bytes.Equal(data, []byte(expected)) {
t.Errorf("expected json to be %q, got %q", expected, string(data)) t.Errorf("expected json to be %q, got %q", expected, string(data))
@ -553,7 +558,7 @@ func TestVariable_UnmarshalJSON_UInt64(t *testing.T) {
var jt JSONType var jt JSONType
if err := json.Unmarshal(jsonBytes, &jt); err != nil { if err := json.Unmarshal(jsonBytes, &jt); err != nil {
t.Errorf("failed to unmarshal json with nil types: %s", err) t.Errorf(ErrUnmarshalFailed, err)
} }
if jt.Value.IsNil() { if jt.Value.IsNil() {
@ -584,7 +589,7 @@ func TestVariable_MarshalJSON_UInt64(t *testing.T) {
} }
data, err := json.Marshal(&jt) data, err := json.Marshal(&jt)
if err != nil { if err != nil {
t.Errorf("failed to marshal json with nil types: %s", err) t.Errorf(ErrMarshalFailed, err)
} }
if !bytes.Equal(data, []byte(expected)) { if !bytes.Equal(data, []byte(expected)) {
t.Errorf("expected json to be %q, got %q", expected, string(data)) t.Errorf("expected json to be %q, got %q", expected, string(data))