go-common/vendor/google.golang.org/grpc/codes/codes_test.go
2019-04-22 18:49:16 +08:00

85 lines
2.3 KiB
Go

/*
*
* Copyright 2017 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package codes
import (
"encoding/json"
"reflect"
"testing"
cpb "google.golang.org/genproto/googleapis/rpc/code"
)
func TestUnmarshalJSON(t *testing.T) {
for s, v := range cpb.Code_value {
want := Code(v)
var got Code
if err := got.UnmarshalJSON([]byte(`"` + s + `"`)); err != nil || got != want {
t.Errorf("got.UnmarshalJSON(%q) = %v; want <nil>. got=%v; want %v", s, err, got, want)
}
}
}
func TestJSONUnmarshal(t *testing.T) {
var got []Code
want := []Code{OK, NotFound, Internal, Canceled}
in := `["OK", "NOT_FOUND", "INTERNAL", "CANCELLED"]`
err := json.Unmarshal([]byte(in), &got)
if err != nil || !reflect.DeepEqual(got, want) {
t.Fatalf("json.Unmarshal(%q, &got) = %v; want <nil>. got=%v; want %v", in, err, got, want)
}
}
func TestUnmarshalJSON_NilReceiver(t *testing.T) {
var got *Code
in := OK.String()
if err := got.UnmarshalJSON([]byte(in)); err == nil {
t.Errorf("got.UnmarshalJSON(%q) = nil; want <non-nil>. got=%v", in, got)
}
}
func TestUnmarshalJSON_UnknownInput(t *testing.T) {
var got Code
for _, in := range [][]byte{[]byte(""), []byte("xxx"), []byte("Code(17)"), nil} {
if err := got.UnmarshalJSON([]byte(in)); err == nil {
t.Errorf("got.UnmarshalJSON(%q) = nil; want <non-nil>. got=%v", in, got)
}
}
}
func TestUnmarshalJSON_MarshalUnmarshal(t *testing.T) {
for i := 0; i < _maxCode; i++ {
var cUnMarshaled Code
c := Code(i)
cJSON, err := json.Marshal(c)
if err != nil {
t.Errorf("marshalling %q failed: %v", c, err)
}
if err := json.Unmarshal(cJSON, &cUnMarshaled); err != nil {
t.Errorf("unmarshalling code failed: %s", err)
}
if c != cUnMarshaled {
t.Errorf("code is %q after marshalling/unmarshalling, expected %q", cUnMarshaled, c)
}
}
}