go-opt/optional_unmarshaljson_int6...

83 lines
1.5 KiB
Go

package opt_test
import (
"testing"
"encoding/json"
"github.com/reiver/go-opt"
)
func TestOptional_UnmarshalJSON_int64(t *testing.T) {
tests := []struct{
JSON string
Expected opt.Optional[int64]
}{
{
JSON: `-255`,
Expected: opt.Something(int64(-255)),
},
{
JSON: `-1`,
Expected: opt.Something(int64(-1)),
},
{
JSON: `0`,
Expected: opt.Something(int64(0)),
},
{
JSON: `1`,
Expected: opt.Something(int64(1)),
},
{
JSON: `255`,
Expected: opt.Something(int64(255)),
},
}
for testNumber, test := range tests {
var actual opt.Optional[int64]
err := json.Unmarshal([]byte(test.JSON), &actual)
if nil != err {
t.Errorf("For test #%d, did not expect an error but actually got one.", testNumber)
t.Logf("ERROR: (%T) %s", err, err)
t.Logf("JSON: %q", test.JSON)
t.Logf("EXPECTED: %#v", test.Expected)
t.Logf("ACTUAL: %#v", actual)
continue
}
{
expected := test.Expected
if expected != actual {
t.Errorf("For test #%d, the actual value of the optional type is not what was expected.", testNumber)
t.Logf("EXPECTED: %#v", expected)
t.Logf("ACTUAL: %#v", actual)
t.Logf("JSON: %q", test.JSON)
continue
}
}
}
}
func TestOptional_UnmarshalJSON_int64_fail(t *testing.T) {
var op opt.Optional[int64]
var jason string = `false`
err := json.Unmarshal([]byte(jason), &op)
if nil == err {
t.Errorf("Expected an error but did not actually get one.")
return
}
}