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period_test.go
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package synchro
import (
"fmt"
"strings"
"testing"
"time"
"github.com/Code-Hex/synchro/iso8601"
"github.com/Code-Hex/synchro/tz"
"github.com/google/go-cmp/cmp"
)
var _ interface {
fmt.Stringer
} = (*Period[tz.UTC])(nil)
func TestNewPeriod(t *testing.T) {
t.Run("want error for from", func(t *testing.T) {
_, err := NewPeriod[tz.UTC]("unknown", "2023-09-27")
if err == nil {
t.Fatal("want error")
}
})
t.Run("want error for to", func(t *testing.T) {
_, err := NewPeriod[tz.UTC]("2023-09-27", "unknown")
if err == nil {
t.Fatal("want error")
}
})
}
func TestPeriod_Slice(t *testing.T) {
want := []Time[tz.UTC]{
New[tz.UTC](2014, 2, 5, 0, 0, 0, 0),
New[tz.UTC](2014, 2, 6, 0, 0, 0, 0),
New[tz.UTC](2014, 2, 7, 0, 0, 0, 0),
New[tz.UTC](2014, 2, 8, 0, 0, 0, 0),
}
t.Run("Time[UTC] params", func(t *testing.T) {
period, err := NewPeriod[tz.UTC](
New[tz.UTC](2014, 2, 5, 0, 0, 0, 0),
New[tz.UTC](2014, 2, 8, 0, 0, 0, 0),
)
if err != nil {
t.Fatal(err)
}
got := period.PeriodicDuration(24 * time.Hour).Slice()
if diff := cmp.Diff(want, got); diff != "" {
t.Fatalf("(-want, +got)\n%s", diff)
}
})
t.Run("time.Time params", func(t *testing.T) {
period, err := NewPeriod[tz.UTC](
time.Date(2014, 2, 5, 0, 0, 0, 0, time.UTC),
time.Date(2014, 2, 8, 0, 0, 0, 0, time.UTC),
)
if err != nil {
t.Fatal(err)
}
got := period.PeriodicDate(0, 0, 1).Slice()
if diff := cmp.Diff(want, got); diff != "" {
t.Fatalf("(-want, +got)\n%s", diff)
}
})
t.Run("string params", func(t *testing.T) {
period, err := NewPeriod[tz.UTC]("2014-02-05", "2014-02-08")
if err != nil {
t.Fatal(err)
}
got := period.PeriodicAdvance(Day(1)).Slice()
if diff := cmp.Diff(want, got); diff != "" {
t.Fatalf("(-want, +got)\n%s", diff)
}
})
t.Run("alternative string params", func(t *testing.T) {
type XString string
period, err := NewPeriod[tz.UTC](XString("2014-02-05"), XString("2014-02-08"))
if err != nil {
t.Fatal(err)
}
got := period.PeriodicDuration(24 * time.Hour).Slice()
if diff := cmp.Diff(want, got); diff != "" {
t.Fatalf("(-want, +got)\n%s", diff)
}
})
t.Run("[]byte params", func(t *testing.T) {
period, err := NewPeriod[tz.UTC]([]byte("2014-02-05"), []byte("2014-02-08"))
if err != nil {
t.Fatal(err)
}
got := period.PeriodicDate(0, 0, 1).Slice()
if diff := cmp.Diff(want, got); diff != "" {
t.Fatalf("(-want, +got)\n%s", diff)
}
})
t.Run("alternative []byte params", func(t *testing.T) {
period, err := NewPeriod[tz.UTC]([]byte("2014-02-05"), []byte("2014-02-08"))
if err != nil {
t.Fatal(err)
}
got := period.PeriodicAdvance(Day(1)).Slice()
if diff := cmp.Diff(want, got); diff != "" {
t.Fatalf("(-want, +got)\n%s", diff)
}
})
t.Run("complex params", func(t *testing.T) {
period, err := NewPeriod[tz.UTC](New[tz.UTC](2014, 2, 5, 0, 0, 0, 0), "2014-02-08")
if err != nil {
t.Fatal(err)
}
got := period.PeriodicDuration(24 * time.Hour).Slice()
if diff := cmp.Diff(want, got); diff != "" {
t.Fatalf("(-want, +got)\n%s", diff)
}
})
}
func TestPeriod_PeriodicISO(t *testing.T) {
cases := []struct {
duration string
from string
to string
want []Time[tz.UTC]
}{
{
duration: "P1Y",
from: "2018-08-16",
to: "2020-10-31",
want: []Time[tz.UTC]{
New[tz.UTC](2018, 8, 16, 0, 0, 0, 0),
New[tz.UTC](2019, 8, 16, 0, 0, 0, 0),
New[tz.UTC](2020, 8, 16, 0, 0, 0, 0),
},
},
{
duration: "P1M",
from: "2018-08-16",
to: "2018-10-31",
want: []Time[tz.UTC]{
New[tz.UTC](2018, 8, 16, 0, 0, 0, 0),
New[tz.UTC](2018, 9, 16, 0, 0, 0, 0),
New[tz.UTC](2018, 10, 16, 0, 0, 0, 0),
},
},
{
duration: "P3W",
from: "2018-08-16",
to: "2018-11-16",
want: []Time[tz.UTC]{
New[tz.UTC](2018, 8, 16, 0, 0, 0, 0),
New[tz.UTC](2018, 9, 6, 0, 0, 0, 0),
New[tz.UTC](2018, 9, 27, 0, 0, 0, 0),
New[tz.UTC](2018, 10, 18, 0, 0, 0, 0),
New[tz.UTC](2018, 11, 8, 0, 0, 0, 0),
},
},
{
duration: "P7D",
from: "2018-08-01",
to: "2018-08-31",
want: []Time[tz.UTC]{
New[tz.UTC](2018, 8, 1, 0, 0, 0, 0),
New[tz.UTC](2018, 8, 8, 0, 0, 0, 0),
New[tz.UTC](2018, 8, 15, 0, 0, 0, 0),
New[tz.UTC](2018, 8, 22, 0, 0, 0, 0),
New[tz.UTC](2018, 8, 29, 0, 0, 0, 0),
},
},
{
duration: "P1Y2M3W4D",
from: "2018-08-01",
to: "2020-08-31",
want: []Time[tz.UTC]{
New[tz.UTC](2018, 8, 1, 0, 0, 0, 0),
New[tz.UTC](2019, 10, 1+21+4, 0, 0, 0, 0),
},
},
{
duration: "PT24H",
from: "2018-08-01",
to: "2018-08-05",
want: []Time[tz.UTC]{
New[tz.UTC](2018, 8, 1, 0, 0, 0, 0),
New[tz.UTC](2018, 8, 2, 0, 0, 0, 0),
New[tz.UTC](2018, 8, 3, 0, 0, 0, 0),
New[tz.UTC](2018, 8, 4, 0, 0, 0, 0),
New[tz.UTC](2018, 8, 5, 0, 0, 0, 0),
},
},
{
duration: "-P1Y",
from: "2020-10-31",
to: "2018-08-16",
want: []Time[tz.UTC]{
New[tz.UTC](2020, 10, 31, 0, 0, 0, 0),
New[tz.UTC](2019, 10, 31, 0, 0, 0, 0),
New[tz.UTC](2018, 10, 31, 0, 0, 0, 0),
},
},
{
duration: "-PT24H",
from: "2018-08-05",
to: "2018-08-01",
want: []Time[tz.UTC]{
New[tz.UTC](2018, 8, 5, 0, 0, 0, 0),
New[tz.UTC](2018, 8, 4, 0, 0, 0, 0),
New[tz.UTC](2018, 8, 3, 0, 0, 0, 0),
New[tz.UTC](2018, 8, 2, 0, 0, 0, 0),
New[tz.UTC](2018, 8, 1, 0, 0, 0, 0),
},
},
{
duration: "-P1DT1S",
from: "2018-08-05T00:00:00",
to: "2018-08-01T00:00:00",
want: []Time[tz.UTC]{
New[tz.UTC](2018, 8, 5, 0, 0, 0, 0),
New[tz.UTC](2018, 8, 3, 23, 59, 59, 0),
New[tz.UTC](2018, 8, 2, 23, 59, 58, 0),
New[tz.UTC](2018, 8, 1, 23, 59, 57, 0),
},
},
}
for _, tc := range cases {
tc := tc
t.Run(tc.duration, func(t *testing.T) {
period, err := NewPeriod[tz.UTC](tc.from, tc.to)
if err != nil {
t.Fatal(err)
}
iter, err := period.PeriodicISODuration(tc.duration)
if err != nil {
t.Fatal(err)
}
got := iter.Slice()
if diff := cmp.Diff(tc.want, got); diff != "" {
t.Fatalf("(-want, +got)\n%s", diff)
}
})
}
t.Run("invalid parse duration", func(t *testing.T) {
period, err := NewPeriod[tz.UTC]("2023-08-16", "2023-08-17")
if err != nil {
t.Fatal(err)
}
_, err = period.PeriodicISODuration("unknown")
if err == nil {
t.Fatal("want error")
}
if _, ok := err.(*iso8601.UnexpectedTokenError); !ok {
t.Fatalf("unexpected error: %v", err)
}
})
t.Run("invalid zero duration", func(t *testing.T) {
period, err := NewPeriod[tz.UTC]("2023-08-16", "2023-08-17")
if err != nil {
t.Fatal(err)
}
t.Run("positive", func(t *testing.T) {
duration := "P0D"
_, err = period.PeriodicISODuration(duration)
if err == nil {
t.Fatal("want error")
}
if !strings.Contains(err.Error(), duration) {
t.Fatalf("want contains %q in %q", duration, err)
}
})
t.Run("negative", func(t *testing.T) {
duration := "-PT0S"
_, err = period.PeriodicISODuration(duration)
if err == nil {
t.Fatal("want error")
}
if !strings.Contains(err.Error(), duration) {
t.Fatalf("want contains %q in %q", duration, err)
}
})
})
}
func TestPeriod_Contains(t *testing.T) {
cases := []struct {
name string
t Time[tz.UTC]
from string
to string
want int
}{
{
name: "2018-08-16 is included between 2018-08-15 and 2018-08-17",
t: New[tz.UTC](2018, 8, 16, 0, 0, 0, 0),
from: "2018-08-15",
to: "2018-08-17",
want: 1,
},
{
name: "2018-12-30 is included between 2018-12-28 and 2019-01-01",
t: New[tz.UTC](2018, 12, 30, 0, 0, 0, 0),
from: "2018-12-28",
to: "2019-01-01",
want: 1,
},
{
name: "2018-08-15 is the same as from",
t: New[tz.UTC](2018, 8, 15, 0, 0, 0, 0),
from: "2018-08-15",
to: "2018-08-17",
want: 0,
},
{
name: "2018-08-17 is the same as from",
t: New[tz.UTC](2018, 8, 17, 0, 0, 0, 0),
from: "2018-08-15",
to: "2018-08-17",
want: 0,
},
{
name: "2018-08-18 is not included between 2018-08-15 and 2018-08-17",
t: New[tz.UTC](2018, 8, 18, 0, 0, 0, 0),
from: "2018-08-15",
to: "2018-08-17",
want: -1,
},
{
name: "2018-08-14 is not included between 2018-08-15 and 2018-08-17",
t: New[tz.UTC](2018, 8, 14, 0, 0, 0, 0),
from: "2018-08-15",
to: "2018-08-17",
want: -1,
},
}
for _, tc := range cases {
tc := tc
t.Run(tc.name, func(t *testing.T) {
period, err := NewPeriod[tz.UTC](tc.from, tc.to)
if err != nil {
t.Fatal(err)
}
got := period.Contains(tc.t)
if diff := cmp.Diff(tc.want, got); diff != "" {
t.Fatalf("(-want, +got)\n%s", diff)
}
})
}
}
func TestPeriod_From(t *testing.T) {
want := New[tz.UTC](2018, 8, 14, 0, 0, 0, 0)
period, err := NewPeriod[tz.UTC]("2018-08-14", "2018-08-16")
if err != nil {
t.Fatal(err)
}
got := period.From()
if diff := cmp.Diff(want, got); diff != "" {
t.Fatalf("(-want, +got)\n%s", diff)
}
}
func TestPeriod_To(t *testing.T) {
want := New[tz.UTC](2018, 8, 16, 0, 0, 0, 0)
period, err := NewPeriod[tz.UTC]("2018-08-14", "2018-08-16")
if err != nil {
t.Fatal(err)
}
got := period.To()
if diff := cmp.Diff(want, got); diff != "" {
t.Fatalf("(-want, +got)\n%s", diff)
}
}