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|
package null
import (
"encoding/json"
"testing"
"time"
)
var (
timeString = "2012-12-21T21:21:21Z"
timeJSON = []byte(`"` + timeString + `"`)
nullTimeJSON = []byte(`null`)
timeValue, _ = time.Parse(time.RFC3339, timeString)
timeObject = []byte(`{"Time":"2012-12-21T21:21:21Z","Valid":true}`)
nullObject = []byte(`{"Time":"0001-01-01T00:00:00Z","Valid":false}`)
badObject = []byte(`{"hello": "world"}`)
)
func TestUnmarshalTimeJSON(t *testing.T) {
var ti Time
err := json.Unmarshal(timeJSON, &ti)
maybePanic(err)
assertTime(t, ti, "UnmarshalJSON() json")
var null Time
err = json.Unmarshal(nullTimeJSON, &null)
maybePanic(err)
assertNullTime(t, null, "null time json")
var fromObject Time
err = json.Unmarshal(timeObject, &fromObject)
maybePanic(err)
assertTime(t, fromObject, "time from object json")
var nullFromObj Time
err = json.Unmarshal(nullObject, &nullFromObj)
maybePanic(err)
assertNullTime(t, nullFromObj, "null from object json")
var invalid Time
err = invalid.UnmarshalJSON(invalidJSON)
if _, ok := err.(*json.SyntaxError); !ok {
t.Errorf("expected json.SyntaxError, not %T", err)
}
assertNullTime(t, invalid, "invalid from object json")
var bad Time
err = json.Unmarshal(badObject, &bad)
if err == nil {
t.Errorf("expected error: bad object")
}
assertNullTime(t, bad, "bad from object json")
var wrongType Time
err = json.Unmarshal(intJSON, &wrongType)
if err == nil {
t.Errorf("expected error: wrong type JSON")
}
assertNullTime(t, wrongType, "wrong type object json")
}
func TestUnmarshalTimeText(t *testing.T) {
ti := TimeFrom(timeValue)
txt, err := ti.MarshalText()
maybePanic(err)
assertJSONEquals(t, txt, timeString, "marshal text")
var unmarshal Time
err = unmarshal.UnmarshalText(txt)
maybePanic(err)
assertTime(t, unmarshal, "unmarshal text")
var null Time
err = null.UnmarshalText(nullJSON)
maybePanic(err)
assertNullTime(t, null, "unmarshal null text")
txt, err = null.MarshalText()
maybePanic(err)
assertJSONEquals(t, txt, string(nullJSON), "marshal null text")
var invalid Time
err = invalid.UnmarshalText([]byte("hello world"))
if err == nil {
t.Error("expected error")
}
assertNullTime(t, invalid, "bad string")
}
func TestMarshalTime(t *testing.T) {
ti := TimeFrom(timeValue)
data, err := json.Marshal(ti)
maybePanic(err)
assertJSONEquals(t, data, string(timeJSON), "non-empty json marshal")
ti.Valid = false
data, err = json.Marshal(ti)
maybePanic(err)
assertJSONEquals(t, data, string(nullJSON), "null json marshal")
}
func TestTimeFrom(t *testing.T) {
ti := TimeFrom(timeValue)
assertTime(t, ti, "TimeFrom() time.Time")
}
func TestTimeFromPtr(t *testing.T) {
ti := TimeFromPtr(&timeValue)
assertTime(t, ti, "TimeFromPtr() time")
null := TimeFromPtr(nil)
assertNullTime(t, null, "TimeFromPtr(nil)")
}
func TestTimeSetValid(t *testing.T) {
var ti time.Time
change := NewTime(ti, false)
assertNullTime(t, change, "SetValid()")
change.SetValid(timeValue)
assertTime(t, change, "SetValid()")
}
func TestTimePointer(t *testing.T) {
ti := TimeFrom(timeValue)
ptr := ti.Ptr()
if *ptr != timeValue {
t.Errorf("bad %s time: %#v ≠ %v\n", "pointer", ptr, timeValue)
}
var nt time.Time
null := NewTime(nt, false)
ptr = null.Ptr()
if ptr != nil {
t.Errorf("bad %s time: %#v ≠ %s\n", "nil pointer", ptr, "nil")
}
}
func TestTimeScanValue(t *testing.T) {
var ti Time
err := ti.Scan(timeValue)
maybePanic(err)
assertTime(t, ti, "scanned time")
if v, err := ti.Value(); v != timeValue || err != nil {
t.Error("bad value or err:", v, err)
}
var null Time
err = null.Scan(nil)
maybePanic(err)
assertNullTime(t, null, "scanned null")
if v, err := null.Value(); v != nil || err != nil {
t.Error("bad value or err:", v, err)
}
var wrong Time
err = wrong.Scan(int64(42))
if err == nil {
t.Error("expected error")
}
assertNullTime(t, wrong, "scanned wrong")
}
func assertTime(t *testing.T, ti Time, from string) {
if ti.Time != timeValue {
t.Errorf("bad %v time: %v ≠ %v\n", from, ti.Time, timeValue)
}
if !ti.Valid {
t.Error(from, "is invalid, but should be valid")
}
}
func assertNullTime(t *testing.T, ti Time, from string) {
if ti.Valid {
t.Error(from, "is valid, but should be invalid")
}
}
|
