package dhcpd import ( "encoding/json" "testing" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" ) func TestNullBool_UnmarshalText(t *testing.T) { testCases := []struct { name string data []byte wantErrMsg string want nullBool }{{ name: "empty", data: []byte{}, wantErrMsg: "", want: nbNull, }, { name: "null", data: []byte("null"), wantErrMsg: "", want: nbNull, }, { name: "true", data: []byte("true"), wantErrMsg: "", want: nbTrue, }, { name: "false", data: []byte("false"), wantErrMsg: "", want: nbFalse, }, { name: "invalid", data: []byte("flase"), wantErrMsg: `invalid nullBool value "flase"`, want: nbNull, }} for _, tc := range testCases { t.Run(tc.name, func(t *testing.T) { var got nullBool err := got.UnmarshalJSON(tc.data) if tc.wantErrMsg == "" { assert.Nil(t, err) } else { require.NotNil(t, err) assert.Equal(t, tc.wantErrMsg, err.Error()) } assert.Equal(t, tc.want, got) }) } t.Run("json", func(t *testing.T) { want := nbTrue var got struct { A nullBool } err := json.Unmarshal([]byte(`{"A":true}`), &got) require.Nil(t, err) assert.Equal(t, want, got.A) }) }