go-opt/optional_unmarshaljson_stri...

126 lines
2.0 KiB
Go

package opt_test
import (
"testing"
"encoding/json"
"github.com/reiver/go-opt"
)
func TestOptional_UnmarshalJSON_string(t *testing.T) {
tests := []struct{
JSON string
Expected opt.Optional[string]
}{
{
JSON: `""`,
Expected: opt.Something(""),
},
{
JSON: `"apple"`,
Expected: opt.Something("apple"),
},
{
JSON: `"banana"`,
Expected: opt.Something("banana"),
},
{
JSON: `"cherry"`,
Expected: opt.Something("cherry"),
},
{
JSON: `"ONCE"`,
Expected: opt.Something("ONCE"),
},
{
JSON: `"TWICE"`,
Expected: opt.Something("TWICE"),
},
{
JSON: `"THRICE"`,
Expected: opt.Something("THRICE"),
},
{
JSON: `"FOURCE"`,
Expected: opt.Something("FOURCE"),
},
{
JSON: `"🙂"`,
Expected: opt.Something("🙂"),
},
{
JSON: `"😈"`,
Expected: opt.Something("😈"),
},
{
JSON: `"❤️"`,
Expected: opt.Something("❤️"),
},
{
JSON: `"٠١٢٣۴۵۶٧٨٩"`,
Expected: opt.Something("٠١٢٣۴۵۶٧٨٩"),
},
{
JSON: `"𐏑𐏓𐏕"`,
Expected: opt.Something("𐏑𐏓𐏕"),
},
}
for testNumber, test := range tests {
var actual opt.Optional[string]
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_string_fail(t *testing.T) {
var op opt.Optional[string]
var jason string = "12345"
err := json.Unmarshal([]byte(jason), &op)
if nil == err {
t.Errorf("Expected an error but did not actually get one.")
return
}
}