Function TestJSONCustomReflectedEncoder

zapcore/json_encoder_test.go:229–282

(t *testing.T)

}

func TestJSONCustomReflectedEncoder(t *testing.T) {
	tests := []struct {
		name     string
		field    zapcore.Field
		expected string
	}{
		{
			name: "encode custom map object",
			field: zapcore.Field{
				Key:  "data",
				Type: zapcore.ReflectType,
				Interface: map[string]interface{}{
					"foo": "hello",
					"bar": 1111,
				},
			},
			expected: `{"data":{}}`,
		},
		{
			name: "encode nil object",
			field: zapcore.Field{
				Key:  "data",
				Type: zapcore.ReflectType,
			},
			expected: `{"data":null}`,
		},
	}

	for _, tt := range tests {
		tt := tt
		t.Run(tt.name, func(t *testing.T) {
			t.Parallel()

			enc := zapcore.NewJSONEncoder(zapcore.EncoderConfig{
				NewReflectedEncoder: func(writer io.Writer) zapcore.ReflectedEncoder {
					return &emptyReflectedEncoder{
						writer: writer,
					}
				},
			})

			buf, err := enc.EncodeEntry(zapcore.Entry{
				Level:      zapcore.DebugLevel,
				Time:       time.Now(),
				LoggerName: "logger",
				Message:    "things happened",
			}, []zapcore.Field{tt.field})
			if assert.NoError(t, err, "Unexpected JSON encoding error.") {
				assert.JSONEq(t, tt.expected, buf.String(), "Incorrect encoded JSON entry.")
			}
			buf.Free()
		})
	}
}