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package clock
import (
"bytes"
"encoding/gob"
"encoding/json"
"strings"
"testing"
)
func TestGobEncoding(t *testing.T) {
var b bytes.Buffer
encoder := gob.NewEncoder(&b)
decoder := gob.NewDecoder(&b)
cases := []Clock{
New(-1, -1, -1, -1),
New(0, 0, 0, 0),
New(12, 40, 40, 80),
New(13, 55, 0, 20),
New(16, 20, 0, 0),
New(20, 60, 59, 59),
New(24, 0, 0, 0),
New(24, 0, 0, 1),
}
for _, c := range cases {
var clock Clock
err := encoder.Encode(&c)
if err != nil {
t.Errorf("Gob(%v) encode error %v", c, err)
} else {
err = decoder.Decode(&clock)
if err != nil {
t.Errorf("Gob(%v) decode error %v", c, err)
} else if clock != c {
t.Errorf("Gob(%v) decode got %v", c, clock)
}
}
}
}
func TestJSONMarshalling(t *testing.T) {
cases := []struct {
value Clock
want string
}{
{New(-1, -1, -1, -1), `"22:58:58.999"`},
{New(0, 0, 0, 0), `"00:00:00.000"`},
{New(12, 40, 40, 80), `"12:40:40.080"`},
{New(13, 55, 0, 20), `"13:55:00.020"`},
{New(16, 20, 0, 0), `"16:20:00.000"`},
{New(20, 60, 59, 59), `"21:00:59.059"`},
{New(24, 0, 0, 0), `"24:00:00.000"`},
{New(24, 0, 0, 1), `"00:00:00.001"`},
}
for _, c := range cases {
bb, err := json.Marshal(c.value)
if err != nil {
t.Errorf("JSON(%v) marshal error %v", c, err)
} else if string(bb) != c.want {
t.Errorf("JSON(%v) == %v, want %v", c.value, string(bb), c.want)
}
}
}
func TestJSONUnmarshalling(t *testing.T) {
cases := []struct {
values []string
want Clock
}{
{[]string{`"22:58:58.999"`, `"10:58:58.999pm"`}, New(-1, -1, -1, -1)},
{[]string{`"00:00:00.000"`, `"00:00:00.000AM"`}, New(0, 0, 0, 0)},
{[]string{`"12:40:40.080"`, `"12:40:40.080PM"`}, New(12, 40, 40, 80)},
{[]string{`"13:55:00.020"`, `"01:55:00.020PM"`}, New(13, 55, 0, 20)},
{[]string{`"16:20:00.000"`, `"04:20:00.000pm"`}, New(16, 20, 0, 0)},
{[]string{`"21:00:59.059"`, `"09:00:59.059PM"`}, New(20, 60, 59, 59)},
{[]string{`"24:00:00.000"`, `"00:00:00.000am"`}, New(24, 0, 0, 0)},
{[]string{`"00:00:00.001"`, `"00:00:00.001AM"`}, New(24, 0, 0, 1)},
}
for _, c := range cases {
for _, v := range c.values {
var clock Clock
err := json.Unmarshal([]byte(v), &clock)
if err != nil {
t.Errorf("JSON(%v) unmarshal error %v", v, err)
} else if c.want.Mod24() != clock.Mod24() {
t.Errorf("JSON(%v) == %v, want %v", v, clock, c.want)
}
}
}
}
func TestBinaryMarshalling(t *testing.T) {
cases := []Clock{
New(-1, -1, -1, -1),
New(0, 0, 0, 0),
New(12, 40, 40, 80),
New(13, 55, 0, 20),
New(16, 20, 0, 0),
New(20, 60, 59, 59),
New(24, 0, 0, 0),
New(24, 0, 0, 1),
}
for _, c := range cases {
bb, err := c.MarshalBinary()
if err != nil {
t.Errorf("Binary(%v) marshal error %v", c, err)
} else {
var clock Clock
err = clock.UnmarshalBinary(bb)
if err != nil {
t.Errorf("Binary(% v) unmarshal error %v", c, err)
} else if clock.Mod24() != c.Mod24() {
t.Errorf("Binary(%v) unmarshal got %v", c, clock)
}
}
}
}
func TestBinaryUnmarshallingErrors(t *testing.T) {
var c Clock
err1 := c.UnmarshalBinary([]byte{})
if err1 == nil {
t.Errorf("unmarshal no empty data error")
}
err2 := c.UnmarshalBinary([]byte("12345"))
if err2 == nil {
t.Errorf("unmarshal no wrong length error")
}
}
func TestInvalidClockText(t *testing.T) {
cases := []struct {
value string
want string
}{
{`not-a-clock`, `clock.Clock: cannot parse not-a-clock`},
{`00:50:100.0`, `clock.Clock: cannot parse 00:50:100.0`},
{`24:00:00.0pM`, `clock.Clock: cannot parse 24:00:00.0pM: strconv.Atoi: parsing "0pM": invalid syntax`},
}
for _, c := range cases {
var clock Clock
err := clock.UnmarshalText([]byte(c.value))
if err == nil || !strings.Contains(err.Error(), c.want) {
t.Errorf("InvalidText(%v) == %v, want %v", c.value, err, c.want)
}
}
}
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