| // Copyright 2016 Google Inc. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package uuid |
| |
| import ( |
| "encoding/json" |
| "reflect" |
| "testing" |
| ) |
| |
| var testUUID = MustParse("f47ac10b-58cc-0372-8567-0e02b2c3d479") |
| |
| func TestJSON(t *testing.T) { |
| type S struct { |
| ID1 UUID |
| ID2 UUID |
| } |
| s1 := S{ID1: testUUID} |
| data, err := json.Marshal(&s1) |
| if err != nil { |
| t.Fatal(err) |
| } |
| var s2 S |
| if err := json.Unmarshal(data, &s2); err != nil { |
| t.Fatal(err) |
| } |
| if !reflect.DeepEqual(&s1, &s2) { |
| t.Errorf("got %#v, want %#v", s2, s1) |
| } |
| } |
| |
| func TestJSONUnmarshal(t *testing.T) { |
| type S struct { |
| ID1 UUID |
| ID2 UUID `json:"ID2,omitempty"` |
| } |
| |
| testCases := map[string]struct { |
| data []byte |
| expectedError error |
| expectedResult UUID |
| }{ |
| "success": { |
| data: []byte(`{"ID1": "f47ac10b-58cc-0372-8567-0e02b2c3d479"}`), |
| expectedError: nil, |
| expectedResult: testUUID, |
| }, |
| "zero": { |
| data: []byte(`{"ID1": "00000000-0000-0000-0000-000000000000"}`), |
| expectedError: nil, |
| expectedResult: Nil, |
| }, |
| "null": { |
| data: []byte(`{"ID1": null}`), |
| expectedError: nil, |
| expectedResult: Nil, |
| }, |
| "empty": { |
| data: []byte(`{"ID1": ""}`), |
| expectedError: invalidLengthError{len: 0}, |
| expectedResult: Nil, |
| }, |
| "omitempty": { |
| data: []byte(`{"ID2": ""}`), |
| expectedError: invalidLengthError{len: 0}, |
| expectedResult: Nil, |
| }, |
| } |
| |
| for name, tc := range testCases { |
| t.Run(name, func(t *testing.T) { |
| var s S |
| if err := json.Unmarshal(tc.data, &s); err != tc.expectedError { |
| t.Errorf("unexpected error: got %v, want %v", err, tc.expectedError) |
| } |
| if !reflect.DeepEqual(s.ID1, tc.expectedResult) { |
| t.Errorf("got %#v, want %#v", s.ID1, tc.expectedResult) |
| } |
| }) |
| } |
| } |
| |
| func BenchmarkUUID_MarshalJSON(b *testing.B) { |
| x := &struct { |
| UUID UUID `json:"uuid"` |
| }{} |
| var err error |
| x.UUID, err = Parse("f47ac10b-58cc-0372-8567-0e02b2c3d479") |
| if err != nil { |
| b.Fatal(err) |
| } |
| for i := 0; i < b.N; i++ { |
| js, err := json.Marshal(x) |
| if err != nil { |
| b.Fatalf("marshal json: %#v (%v)", js, err) |
| } |
| } |
| } |
| |
| func BenchmarkUUID_UnmarshalJSON(b *testing.B) { |
| js := []byte(`{"uuid":"f47ac10b-58cc-0372-8567-0e02b2c3d479"}`) |
| var x *struct { |
| UUID UUID `json:"uuid"` |
| } |
| for i := 0; i < b.N; i++ { |
| err := json.Unmarshal(js, &x) |
| if err != nil { |
| b.Fatalf("marshal json: %#v (%v)", js, err) |
| } |
| } |
| } |