chore: add same date tests

models/user_test.go

@@ -0,0 +1,19 @@
+package models
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+	"time"
+)
+
+func TestUser_TZ(t *testing.T) {
+	sut1, sut2 := &User{Location: ""}, &User{Location: "America/Los_Angeles"}
+	pst, _ := time.LoadLocation("America/Los_Angeles")
+	_, offset := time.Now().Zone()
+
+	assert.Equal(t, time.Local, sut1.TZ())
+	assert.Equal(t, pst, sut2.TZ())
+
+	assert.InDelta(t, time.Duration(offset*int(time.Second)), sut1.TZOffset(), float64(1*time.Second))
+	assert.InDelta(t, time.Duration(-7*int(time.Hour)), sut2.TZOffset(), float64(1*time.Second))
+}

utils/date.go

@@ -66,6 +66,7 @@ func WithOffset(date time.Time, tz *time.Location) time.Time {
 	return time.Date(dateTz.Year(), dateTz.Month(), dateTz.Day(), dateTz.Hour(), dateTz.Minute(), dateTz.Second(), dateTz.Nanosecond(), dateTz.Location()).In(tz)
 }
 
+// SplitRangeByDays creates a slice of intervals between from and to, each of which is at max of 24 hours length and has its split at midnight
 func SplitRangeByDays(from time.Time, to time.Time) [][]time.Time {
 	intervals := make([][]time.Time, 0)
 

utils/date_test.go

@@ -1,11 +1,26 @@
 package utils
 
 import (
+	"github.com/muety/wakapi/config"
 	"github.com/stretchr/testify/assert"
 	"testing"
 	"time"
 )
 
+var (
+	tzLocal *time.Location
+	tzUtc   *time.Location
+	tzCet   *time.Location
+	tzPst   *time.Location
+)
+
+func init() {
+	tzLocal = time.Local
+	tzUtc, _ = time.LoadLocation("UTC")
+	tzCet, _ = time.LoadLocation("Europe/Berlin")
+	tzPst, _ = time.LoadLocation("America/Los_Angeles")
+}
+
 func TestDate_Ceil(t *testing.T) {
 	tests := []struct {
 		in  string
@@ -28,3 +43,84 @@ func TestDate_Ceil(t *testing.T) {
 		assert.Equal(t, outDate, out)
 	}
 }
+
+func TestDate_StartOfDay(t *testing.T) {
+	d1, _ := time.ParseInLocation(config.SimpleDateTimeFormat, "2021-04-25 20:25:00", tzLocal)
+	d2, _ := time.ParseInLocation(config.SimpleDateTimeFormat, "2021-04-25 20:25:00", tzUtc)
+	d3, _ := time.ParseInLocation(config.SimpleDateTimeFormat, "2021-04-25 20:25:00", tzPst)
+	d4, _ := time.ParseInLocation(config.SimpleDateTimeFormat, "2021-04-25 20:25:00", tzCet)
+
+	t1, _ := time.ParseInLocation(config.SimpleDateTimeFormat, "2021-04-25 00:00:00", tzLocal)
+	t2, _ := time.ParseInLocation(config.SimpleDateTimeFormat, "2021-04-25 00:00:00", tzUtc)
+	t3, _ := time.ParseInLocation(config.SimpleDateTimeFormat, "2021-04-25 00:00:00", tzPst)
+	t4, _ := time.ParseInLocation(config.SimpleDateTimeFormat, "2021-04-25 00:00:00", tzCet)
+
+	assert.Equal(t, t1, StartOfDay(d1))
+	assert.Equal(t, t2, StartOfDay(d2))
+	assert.Equal(t, t3, StartOfDay(d3))
+	assert.Equal(t, t4, StartOfDay(d4))
+
+	assert.Equal(t, tzLocal, StartOfDay(d1).Location())
+	assert.Equal(t, tzUtc, StartOfDay(d2).Location())
+	assert.Equal(t, tzPst, StartOfDay(d3).Location())
+	assert.Equal(t, tzCet, StartOfDay(d4).Location())
+}
+
+func TestDate_StartOfWeek(t *testing.T) {
+	d1, _ := time.ParseInLocation(config.SimpleDateTimeFormat, "2021-04-25 20:25:00", tzLocal)
+	d2, _ := time.ParseInLocation(config.SimpleDateTimeFormat, "2021-04-25 20:25:00", tzUtc)
+	d3, _ := time.ParseInLocation(config.SimpleDateTimeFormat, "2021-04-25 20:25:00", tzPst)
+	d4, _ := time.ParseInLocation(config.SimpleDateTimeFormat, "2021-04-25 20:25:00", tzCet)
+
+	t1, _ := time.ParseInLocation(config.SimpleDateTimeFormat, "2021-04-19 00:00:00", tzLocal)
+	t2, _ := time.ParseInLocation(config.SimpleDateTimeFormat, "2021-04-19 00:00:00", tzUtc)
+	t3, _ := time.ParseInLocation(config.SimpleDateTimeFormat, "2021-04-19 00:00:00", tzPst)
+	t4, _ := time.ParseInLocation(config.SimpleDateTimeFormat, "2021-04-19 00:00:00", tzCet)
+
+	assert.Equal(t, t1, StartOfWeek(d1))
+	assert.Equal(t, t2, StartOfWeek(d2))
+	assert.Equal(t, t3, StartOfWeek(d3))
+	assert.Equal(t, t4, StartOfWeek(d4))
+
+	assert.Equal(t, tzLocal, StartOfWeek(d1).Location())
+	assert.Equal(t, tzUtc, StartOfWeek(d2).Location())
+	assert.Equal(t, tzPst, StartOfWeek(d3).Location())
+	assert.Equal(t, tzCet, StartOfWeek(d4).Location())
+}
+
+func TestDate_SplitRangeByDays(t *testing.T) {
+	df1, _ := time.Parse(config.SimpleDateTimeFormat, "2021-04-25 20:25:00")
+	dt1, _ := time.Parse(config.SimpleDateTimeFormat, "2021-04-28 06:45:00")
+	df2 := df1
+	dt2 := CeilDate(df1)
+	df3 := df1
+	dt3 := df1.Add(10 * time.Second)
+	df4 := df1
+	dt4 := df4
+
+	result1 := SplitRangeByDays(df1, dt1)
+	result2 := SplitRangeByDays(df2, dt2)
+	result3 := SplitRangeByDays(df3, dt3)
+	result4 := SplitRangeByDays(df4, dt4)
+
+	assert.Len(t, result1, 4)
+	assert.Len(t, result1[0], 2)
+	assert.Equal(t, result1[0][0], df1)
+	assert.Equal(t, result1[3][1], dt1)
+	assert.Equal(t, result1[1][0].Hour()+result1[1][0].Minute()+result1[1][0].Second(), 0)
+	assert.Equal(t, result1[2][0].Hour()+result1[2][0].Minute()+result1[2][0].Second(), 0)
+	assert.Equal(t, result1[3][0].Hour()+result1[3][0].Minute()+result1[3][0].Second(), 0)
+	assert.Equal(t, result1[1][0], result1[0][1])
+	assert.Equal(t, result1[2][0], result1[1][1])
+	assert.Equal(t, result1[3][0], result1[2][1])
+
+	assert.Len(t, result2, 1)
+	assert.Equal(t, result2[0][0], df2)
+	assert.Equal(t, result2[0][1], dt2)
+
+	assert.Len(t, result3, 1)
+	assert.Equal(t, result3[0][0], df3)
+	assert.Equal(t, result3[0][1], dt3)
+
+	assert.Len(t, result4, 0)
+}