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date_test.go
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date_test.go
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package pgtype_test
import (
"database/sql/driver"
"fmt"
"reflect"
"testing"
"time"
"github.com/jackc/pgtype"
"github.com/jackc/pgtype/testutil"
)
type customDate struct {
t time.Time
}
func (d customDate) Value() (driver.Value, error) {
return d.t.Format("2006-01-02"), nil
}
func (d *customDate) Scan(src interface{}) (err error) {
if src == nil {
d.t = time.Time{}
return nil
}
switch v := src.(type) {
case int64:
d.t = time.Unix(v, 0).UTC()
case float64:
d.t = time.Unix(int64(v), 0).UTC()
case string:
d.t, err = time.Parse("2006-01-02", v)
case []byte:
d.t, err = time.Parse("2006-01-02", string(v))
case time.Time:
d.t = v
default:
err = fmt.Errorf("failed to scan type '%T' into date", src)
}
return err
}
func TestDateTranscode(t *testing.T) {
testutil.TestSuccessfulTranscodeEqFunc(t, "date", []interface{}{
&pgtype.Date{Time: time.Date(1900, 1, 1, 0, 0, 0, 0, time.UTC), Status: pgtype.Present},
&pgtype.Date{Time: time.Date(1970, 1, 1, 0, 0, 0, 0, time.UTC), Status: pgtype.Present},
&pgtype.Date{Time: time.Date(1999, 12, 31, 0, 0, 0, 0, time.UTC), Status: pgtype.Present},
&pgtype.Date{Time: time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC), Status: pgtype.Present},
&pgtype.Date{Time: time.Date(2000, 1, 2, 0, 0, 0, 0, time.UTC), Status: pgtype.Present},
&pgtype.Date{Time: time.Date(2200, 1, 1, 0, 0, 0, 0, time.UTC), Status: pgtype.Present},
&pgtype.Date{Status: pgtype.Null},
&pgtype.Date{Status: pgtype.Present, InfinityModifier: pgtype.Infinity},
&pgtype.Date{Status: pgtype.Present, InfinityModifier: -pgtype.Infinity},
}, func(a, b interface{}) bool {
at := a.(pgtype.Date)
bt := b.(pgtype.Date)
return at.Time.Equal(bt.Time) && at.Status == bt.Status && at.InfinityModifier == bt.InfinityModifier
})
}
func TestDateSet(t *testing.T) {
type _time time.Time
successfulTests := []struct {
source interface{}
result pgtype.Date
}{
{source: time.Date(1900, 1, 1, 0, 0, 0, 0, time.UTC), result: pgtype.Date{Time: time.Date(1900, 1, 1, 0, 0, 0, 0, time.UTC), Status: pgtype.Present}},
{source: time.Date(1970, 1, 1, 0, 0, 0, 0, time.UTC), result: pgtype.Date{Time: time.Date(1970, 1, 1, 0, 0, 0, 0, time.UTC), Status: pgtype.Present}},
{source: time.Date(1999, 12, 31, 0, 0, 0, 0, time.UTC), result: pgtype.Date{Time: time.Date(1999, 12, 31, 0, 0, 0, 0, time.UTC), Status: pgtype.Present}},
{source: time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC), result: pgtype.Date{Time: time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC), Status: pgtype.Present}},
{source: time.Date(2000, 1, 2, 0, 0, 0, 0, time.UTC), result: pgtype.Date{Time: time.Date(2000, 1, 2, 0, 0, 0, 0, time.UTC), Status: pgtype.Present}},
{source: time.Date(2200, 1, 1, 0, 0, 0, 0, time.UTC), result: pgtype.Date{Time: time.Date(2200, 1, 1, 0, 0, 0, 0, time.UTC), Status: pgtype.Present}},
{source: _time(time.Date(1970, 1, 1, 0, 0, 0, 0, time.UTC)), result: pgtype.Date{Time: time.Date(1970, 1, 1, 0, 0, 0, 0, time.UTC), Status: pgtype.Present}},
{source: "1999-12-31", result: pgtype.Date{Time: time.Date(1999, 12, 31, 0, 0, 0, 0, time.UTC), Status: pgtype.Present}},
{source: "0001-01-01 BC", result: pgtype.Date{Time: time.Date(0000, 01, 01, 0, 0, 0, 0, time.UTC), Status: pgtype.Present}},
{source: customDate{t: time.Date(1970, 1, 1, 0, 0, 0, 0, time.UTC)}, result: pgtype.Date{Time: time.Date(1970, 1, 1, 0, 0, 0, 0, time.UTC), Status: pgtype.Present}},
}
for i, tt := range successfulTests {
var d pgtype.Date
err := d.Set(tt.source)
if err != nil {
t.Errorf("%d: %v", i, err)
}
if d != tt.result {
t.Errorf("%d: expected %v to convert to %v, but it was %v", i, tt.source, tt.result, d)
}
}
}
func TestDateAssignTo(t *testing.T) {
var tim time.Time
var ptim *time.Time
simpleTests := []struct {
src pgtype.Date
dst interface{}
expected interface{}
}{
{src: pgtype.Date{Time: time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local), Status: pgtype.Present}, dst: &tim, expected: time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local)},
{src: pgtype.Date{Time: time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local), Status: pgtype.Present}, dst: &customDate{}, expected: customDate{t: time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local)}},
{src: pgtype.Date{Time: time.Time{}, Status: pgtype.Null}, dst: &ptim, expected: ((*time.Time)(nil))},
}
for i, tt := range simpleTests {
err := tt.src.AssignTo(tt.dst)
if err != nil {
t.Errorf("%d: %v", i, err)
}
if dst := reflect.ValueOf(tt.dst).Elem().Interface(); dst != tt.expected {
t.Errorf("%d: expected %v to assign %v, but result was %v", i, tt.src, tt.expected, dst)
}
}
pointerAllocTests := []struct {
src pgtype.Date
dst interface{}
expected interface{}
}{
{src: pgtype.Date{Time: time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local), Status: pgtype.Present}, dst: &ptim, expected: time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local)},
}
for i, tt := range pointerAllocTests {
err := tt.src.AssignTo(tt.dst)
if err != nil {
t.Errorf("%d: %v", i, err)
}
if dst := reflect.ValueOf(tt.dst).Elem().Elem().Interface(); dst != tt.expected {
t.Errorf("%d: expected %v to assign %v, but result was %v", i, tt.src, tt.expected, dst)
}
}
errorTests := []struct {
src pgtype.Date
dst interface{}
}{
{src: pgtype.Date{Time: time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local), InfinityModifier: pgtype.Infinity, Status: pgtype.Present}, dst: &tim},
{src: pgtype.Date{Time: time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local), InfinityModifier: pgtype.NegativeInfinity, Status: pgtype.Present}, dst: &tim},
{src: pgtype.Date{Time: time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local), Status: pgtype.Null}, dst: &tim},
}
for i, tt := range errorTests {
err := tt.src.AssignTo(tt.dst)
if err == nil {
t.Errorf("%d: expected error but none was returned (%v -> %v)", i, tt.src, tt.dst)
}
}
}
func TestDateMarshalJSON(t *testing.T) {
successfulTests := []struct {
source pgtype.Date
result string
}{
{source: pgtype.Date{Status: pgtype.Null}, result: "null"},
{source: pgtype.Date{Time: time.Date(2012, 3, 29, 0, 0, 0, 0, time.UTC), Status: pgtype.Present}, result: "\"2012-03-29\""},
{source: pgtype.Date{Time: time.Date(2012, 3, 29, 10, 5, 45, 0, time.FixedZone("", -6*60*60)), Status: pgtype.Present}, result: "\"2012-03-29\""},
{source: pgtype.Date{Time: time.Date(2012, 3, 29, 10, 5, 45, 555*1000*1000, time.FixedZone("", -6*60*60)), Status: pgtype.Present}, result: "\"2012-03-29\""},
{source: pgtype.Date{InfinityModifier: pgtype.Infinity, Status: pgtype.Present}, result: "\"infinity\""},
{source: pgtype.Date{InfinityModifier: pgtype.NegativeInfinity, Status: pgtype.Present}, result: "\"-infinity\""},
}
for i, tt := range successfulTests {
r, err := tt.source.MarshalJSON()
if err != nil {
t.Errorf("%d: %v", i, err)
}
if string(r) != tt.result {
t.Errorf("%d: expected %v to convert to %v, but it was %v", i, tt.source, tt.result, string(r))
}
}
}
func TestDateUnmarshalJSON(t *testing.T) {
successfulTests := []struct {
source string
result pgtype.Date
}{
{source: "null", result: pgtype.Date{Status: pgtype.Null}},
{source: "\"2012-03-29\"", result: pgtype.Date{Time: time.Date(2012, 3, 29, 0, 0, 0, 0, time.UTC), Status: pgtype.Present}},
{source: "\"2012-03-29\"", result: pgtype.Date{Time: time.Date(2012, 3, 29, 10, 5, 45, 0, time.FixedZone("", -6*60*60)), Status: pgtype.Present}},
{source: "\"2012-03-29\"", result: pgtype.Date{Time: time.Date(2012, 3, 29, 10, 5, 45, 555*1000*1000, time.FixedZone("", -6*60*60)), Status: pgtype.Present}},
{source: "\"infinity\"", result: pgtype.Date{InfinityModifier: pgtype.Infinity, Status: pgtype.Present}},
{source: "\"-infinity\"", result: pgtype.Date{InfinityModifier: pgtype.NegativeInfinity, Status: pgtype.Present}},
}
for i, tt := range successfulTests {
var r pgtype.Date
err := r.UnmarshalJSON([]byte(tt.source))
if err != nil {
t.Errorf("%d: %v", i, err)
}
if r.Time.Year() != tt.result.Time.Year() || r.Time.Month() != tt.result.Time.Month() || r.Time.Day() != tt.result.Time.Day() || r.Status != tt.result.Status || r.InfinityModifier != tt.result.InfinityModifier {
t.Errorf("%d: expected %v to convert to %v, but it was %v", i, tt.source, tt.result, r)
}
}
}