blob: 0720092e215e0072baa3fea13291c7681b172817 [file] [log] [blame]
// Copyright 2016 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package civil
import (
"encoding/json"
"testing"
"time"
"github.com/google/go-cmp/cmp"
)
func TestDates(t *testing.T) {
for _, test := range []struct {
date Date
loc *time.Location
wantStr string
wantTime time.Time
}{
{
date: Date{2014, 7, 29},
loc: time.Local,
wantStr: "2014-07-29",
wantTime: time.Date(2014, time.July, 29, 0, 0, 0, 0, time.Local),
},
{
date: DateOf(time.Date(2014, 8, 20, 15, 8, 43, 1, time.Local)),
loc: time.UTC,
wantStr: "2014-08-20",
wantTime: time.Date(2014, 8, 20, 0, 0, 0, 0, time.UTC),
},
{
date: DateOf(time.Date(999, time.January, 26, 0, 0, 0, 0, time.Local)),
loc: time.UTC,
wantStr: "0999-01-26",
wantTime: time.Date(999, 1, 26, 0, 0, 0, 0, time.UTC),
},
} {
if got := test.date.String(); got != test.wantStr {
t.Errorf("%#v.String() = %q, want %q", test.date, got, test.wantStr)
}
if got := test.date.In(test.loc); !got.Equal(test.wantTime) {
t.Errorf("%#v.In(%v) = %v, want %v", test.date, test.loc, got, test.wantTime)
}
}
}
func TestDateIsValid(t *testing.T) {
for _, test := range []struct {
date Date
want bool
}{
{Date{2014, 7, 29}, true},
{Date{2000, 2, 29}, true},
{Date{10000, 12, 31}, true},
{Date{1, 1, 1}, true},
{Date{0, 1, 1}, true}, // year zero is OK
{Date{-1, 1, 1}, true}, // negative year is OK
{Date{1, 0, 1}, false},
{Date{1, 1, 0}, false},
{Date{2016, 1, 32}, false},
{Date{2016, 13, 1}, false},
{Date{1, -1, 1}, false},
{Date{1, 1, -1}, false},
} {
got := test.date.IsValid()
if got != test.want {
t.Errorf("%#v: got %t, want %t", test.date, got, test.want)
}
}
}
func TestParseDate(t *testing.T) {
for _, test := range []struct {
str string
want Date // if empty, expect an error
}{
{"2016-01-02", Date{2016, 1, 2}},
{"2016-12-31", Date{2016, 12, 31}},
{"0003-02-04", Date{3, 2, 4}},
{"999-01-26", Date{}},
{"", Date{}},
{"2016-01-02x", Date{}},
} {
got, err := ParseDate(test.str)
if got != test.want {
t.Errorf("ParseDate(%q) = %+v, want %+v", test.str, got, test.want)
}
if err != nil && test.want != (Date{}) {
t.Errorf("Unexpected error %v from ParseDate(%q)", err, test.str)
}
}
}
func TestDateArithmetic(t *testing.T) {
for _, test := range []struct {
desc string
start Date
end Date
days int
}{
{
desc: "zero days noop",
start: Date{2014, 5, 9},
end: Date{2014, 5, 9},
days: 0,
},
{
desc: "crossing a year boundary",
start: Date{2014, 12, 31},
end: Date{2015, 1, 1},
days: 1,
},
{
desc: "negative number of days",
start: Date{2015, 1, 1},
end: Date{2014, 12, 31},
days: -1,
},
{
desc: "full leap year",
start: Date{2004, 1, 1},
end: Date{2005, 1, 1},
days: 366,
},
{
desc: "full non-leap year",
start: Date{2001, 1, 1},
end: Date{2002, 1, 1},
days: 365,
},
{
desc: "crossing a leap second",
start: Date{1972, 6, 30},
end: Date{1972, 7, 1},
days: 1,
},
{
desc: "dates before the unix epoch",
start: Date{101, 1, 1},
end: Date{102, 1, 1},
days: 365,
},
} {
if got := test.start.AddDays(test.days); got != test.end {
t.Errorf("[%s] %#v.AddDays(%v) = %#v, want %#v", test.desc, test.start, test.days, got, test.end)
}
if got := test.end.DaysSince(test.start); got != test.days {
t.Errorf("[%s] %#v.Sub(%#v) = %v, want %v", test.desc, test.end, test.start, got, test.days)
}
}
}
func TestDateBefore(t *testing.T) {
for _, test := range []struct {
d1, d2 Date
want bool
}{
{Date{2016, 12, 31}, Date{2017, 1, 1}, true},
{Date{2016, 1, 1}, Date{2016, 1, 1}, false},
{Date{2016, 12, 30}, Date{2016, 12, 31}, true},
} {
if got := test.d1.Before(test.d2); got != test.want {
t.Errorf("%v.Before(%v): got %t, want %t", test.d1, test.d2, got, test.want)
}
}
}
func TestDateAfter(t *testing.T) {
for _, test := range []struct {
d1, d2 Date
want bool
}{
{Date{2016, 12, 31}, Date{2017, 1, 1}, false},
{Date{2016, 1, 1}, Date{2016, 1, 1}, false},
{Date{2016, 12, 30}, Date{2016, 12, 31}, false},
} {
if got := test.d1.After(test.d2); got != test.want {
t.Errorf("%v.After(%v): got %t, want %t", test.d1, test.d2, got, test.want)
}
}
}
func TestTimeToString(t *testing.T) {
for _, test := range []struct {
str string
time Time
roundTrip bool // ParseTime(str).String() == str?
}{
{"13:26:33", Time{13, 26, 33, 0}, true},
{"01:02:03.000023456", Time{1, 2, 3, 23456}, true},
{"00:00:00.000000001", Time{0, 0, 0, 1}, true},
{"13:26:03.1", Time{13, 26, 3, 100000000}, false},
{"13:26:33.0000003", Time{13, 26, 33, 300}, false},
} {
gotTime, err := ParseTime(test.str)
if err != nil {
t.Errorf("ParseTime(%q): got error: %v", test.str, err)
continue
}
if gotTime != test.time {
t.Errorf("ParseTime(%q) = %+v, want %+v", test.str, gotTime, test.time)
}
if test.roundTrip {
gotStr := test.time.String()
if gotStr != test.str {
t.Errorf("%#v.String() = %q, want %q", test.time, gotStr, test.str)
}
}
}
}
func TestTimeOf(t *testing.T) {
for _, test := range []struct {
time time.Time
want Time
}{
{time.Date(2014, 8, 20, 15, 8, 43, 1, time.Local), Time{15, 8, 43, 1}},
{time.Date(1, 1, 1, 0, 0, 0, 0, time.UTC), Time{0, 0, 0, 0}},
} {
if got := TimeOf(test.time); got != test.want {
t.Errorf("TimeOf(%v) = %+v, want %+v", test.time, got, test.want)
}
}
}
func TestTimeIsValid(t *testing.T) {
for _, test := range []struct {
time Time
want bool
}{
{Time{0, 0, 0, 0}, true},
{Time{23, 0, 0, 0}, true},
{Time{23, 59, 59, 999999999}, true},
{Time{24, 59, 59, 999999999}, false},
{Time{23, 60, 59, 999999999}, false},
{Time{23, 59, 60, 999999999}, false},
{Time{23, 59, 59, 1000000000}, false},
{Time{-1, 0, 0, 0}, false},
{Time{0, -1, 0, 0}, false},
{Time{0, 0, -1, 0}, false},
{Time{0, 0, 0, -1}, false},
} {
got := test.time.IsValid()
if got != test.want {
t.Errorf("%#v: got %t, want %t", test.time, got, test.want)
}
}
}
func TestDateTimeToString(t *testing.T) {
for _, test := range []struct {
str string
dateTime DateTime
roundTrip bool // ParseDateTime(str).String() == str?
}{
{"2016-03-22T13:26:33", DateTime{Date{2016, 03, 22}, Time{13, 26, 33, 0}}, true},
{"2016-03-22T13:26:33.000000600", DateTime{Date{2016, 03, 22}, Time{13, 26, 33, 600}}, true},
{"2016-03-22t13:26:33", DateTime{Date{2016, 03, 22}, Time{13, 26, 33, 0}}, false},
} {
gotDateTime, err := ParseDateTime(test.str)
if err != nil {
t.Errorf("ParseDateTime(%q): got error: %v", test.str, err)
continue
}
if gotDateTime != test.dateTime {
t.Errorf("ParseDateTime(%q) = %+v, want %+v", test.str, gotDateTime, test.dateTime)
}
if test.roundTrip {
gotStr := test.dateTime.String()
if gotStr != test.str {
t.Errorf("%#v.String() = %q, want %q", test.dateTime, gotStr, test.str)
}
}
}
}
func TestParseDateTimeErrors(t *testing.T) {
for _, str := range []string{
"",
"2016-03-22", // just a date
"13:26:33", // just a time
"2016-03-22 13:26:33", // wrong separating character
"2016-03-22T13:26:33x", // extra at end
} {
if _, err := ParseDateTime(str); err == nil {
t.Errorf("ParseDateTime(%q) succeeded, want error", str)
}
}
}
func TestDateTimeOf(t *testing.T) {
for _, test := range []struct {
time time.Time
want DateTime
}{
{time.Date(2014, 8, 20, 15, 8, 43, 1, time.Local),
DateTime{Date{2014, 8, 20}, Time{15, 8, 43, 1}}},
{time.Date(1, 1, 1, 0, 0, 0, 0, time.UTC),
DateTime{Date{1, 1, 1}, Time{0, 0, 0, 0}}},
} {
if got := DateTimeOf(test.time); got != test.want {
t.Errorf("DateTimeOf(%v) = %+v, want %+v", test.time, got, test.want)
}
}
}
func TestDateTimeIsValid(t *testing.T) {
// No need to be exhaustive here; it's just Date.IsValid && Time.IsValid.
for _, test := range []struct {
dt DateTime
want bool
}{
{DateTime{Date{2016, 3, 20}, Time{0, 0, 0, 0}}, true},
{DateTime{Date{2016, -3, 20}, Time{0, 0, 0, 0}}, false},
{DateTime{Date{2016, 3, 20}, Time{24, 0, 0, 0}}, false},
} {
got := test.dt.IsValid()
if got != test.want {
t.Errorf("%#v: got %t, want %t", test.dt, got, test.want)
}
}
}
func TestDateTimeIn(t *testing.T) {
dt := DateTime{Date{2016, 1, 2}, Time{3, 4, 5, 6}}
got := dt.In(time.UTC)
want := time.Date(2016, 1, 2, 3, 4, 5, 6, time.UTC)
if !got.Equal(want) {
t.Errorf("got %v, want %v", got, want)
}
}
func TestDateTimeBefore(t *testing.T) {
d1 := Date{2016, 12, 31}
d2 := Date{2017, 1, 1}
t1 := Time{5, 6, 7, 8}
t2 := Time{5, 6, 7, 9}
for _, test := range []struct {
dt1, dt2 DateTime
want bool
}{
{DateTime{d1, t1}, DateTime{d2, t1}, true},
{DateTime{d1, t1}, DateTime{d1, t2}, true},
{DateTime{d2, t1}, DateTime{d1, t1}, false},
{DateTime{d2, t1}, DateTime{d2, t1}, false},
} {
if got := test.dt1.Before(test.dt2); got != test.want {
t.Errorf("%v.Before(%v): got %t, want %t", test.dt1, test.dt2, got, test.want)
}
}
}
func TestDateTimeAfter(t *testing.T) {
d1 := Date{2016, 12, 31}
d2 := Date{2017, 1, 1}
t1 := Time{5, 6, 7, 8}
t2 := Time{5, 6, 7, 9}
for _, test := range []struct {
dt1, dt2 DateTime
want bool
}{
{DateTime{d1, t1}, DateTime{d2, t1}, false},
{DateTime{d1, t1}, DateTime{d1, t2}, false},
{DateTime{d2, t1}, DateTime{d1, t1}, true},
{DateTime{d2, t1}, DateTime{d2, t1}, false},
} {
if got := test.dt1.After(test.dt2); got != test.want {
t.Errorf("%v.After(%v): got %t, want %t", test.dt1, test.dt2, got, test.want)
}
}
}
func TestMarshalJSON(t *testing.T) {
for _, test := range []struct {
value interface{}
want string
}{
{Date{1987, 4, 15}, `"1987-04-15"`},
{Time{18, 54, 2, 0}, `"18:54:02"`},
{DateTime{Date{1987, 4, 15}, Time{18, 54, 2, 0}}, `"1987-04-15T18:54:02"`},
} {
bgot, err := json.Marshal(test.value)
if err != nil {
t.Fatal(err)
}
if got := string(bgot); got != test.want {
t.Errorf("%#v: got %s, want %s", test.value, got, test.want)
}
}
}
func TestUnmarshalJSON(t *testing.T) {
var d Date
var tm Time
var dt DateTime
for _, test := range []struct {
data string
ptr interface{}
want interface{}
}{
{`"1987-04-15"`, &d, &Date{1987, 4, 15}},
{`"1987-04-\u0031\u0035"`, &d, &Date{1987, 4, 15}},
{`"18:54:02"`, &tm, &Time{18, 54, 2, 0}},
{`"1987-04-15T18:54:02"`, &dt, &DateTime{Date{1987, 4, 15}, Time{18, 54, 2, 0}}},
} {
if err := json.Unmarshal([]byte(test.data), test.ptr); err != nil {
t.Fatalf("%s: %v", test.data, err)
}
if !cmp.Equal(test.ptr, test.want) {
t.Errorf("%s: got %#v, want %#v", test.data, test.ptr, test.want)
}
}
for _, bad := range []string{"", `""`, `"bad"`, `"1987-04-15x"`,
`19870415`, // a JSON number
`11987-04-15x`, // not a JSON string
} {
if json.Unmarshal([]byte(bad), &d) == nil {
t.Errorf("%q, Date: got nil, want error", bad)
}
if json.Unmarshal([]byte(bad), &tm) == nil {
t.Errorf("%q, Time: got nil, want error", bad)
}
if json.Unmarshal([]byte(bad), &dt) == nil {
t.Errorf("%q, DateTime: got nil, want error", bad)
}
}
}