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daterange_test.go
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daterange_test.go
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package daterange
import (
"testing"
"time"
)
func TestNew(t *testing.T) {
t.Run("Begin date is greater than end date", func(t *testing.T) {
t1 := time.Date(2024, 1, 1, 10, 10, 10, 10, time.UTC)
t2 := time.Date(2024, 3, 1, 10, 10, 10, 10, time.UTC)
_, err := New(t1, t2)
if err != nil {
t.Errorf("Failed: %s", err)
}
})
t.Run("Begin date is equal to end date", func(t *testing.T) {
t1 := time.Date(2024, 1, 1, 10, 10, 10, 10, time.UTC)
t2 := time.Date(2024, 1, 1, 10, 10, 10, 10, time.UTC)
// t2 := time.Date(2024, 3, 1, 10, 10, 10, 10, time.UTC)
_, err := New(t1, t2)
if err != nil {
t.Errorf("Failed: %s", err)
}
})
t.Run("Begin date shouldn't be greater than end date", func(t *testing.T) {
t1 := time.Date(2024, 1, 1, 10, 10, 10, 10, time.UTC)
t2 := time.Date(2023, 1, 1, 10, 10, 10, 10, time.UTC)
// t2 := time.Date(2024, 3, 1, 10, 10, 10, 10, time.UTC)
_, err := New(t1, t2)
if err == nil {
t.Errorf("Failed: %s", err)
}
})
}
func TestIn(t *testing.T) {
t.Run("Date in interval should be included", func(t *testing.T) {
t1 := time.Date(2024, 1, 1, 10, 10, 10, 10, time.UTC)
t2 := time.Date(2024, 3, 1, 10, 10, 10, 10, time.UTC)
checkDate := time.Date(2024, 1, 5, 10, 10, 10, 10, time.UTC)
dr, _ := New(t1, t2)
if !dr.In(checkDate) {
t.Errorf("Not in the inverval: %s", checkDate)
}
})
}
func TestEntries(t *testing.T) {
t.Run("The same begin and end dates should have one entry", func(t *testing.T) {
t1 := time.Date(2024, 1, 1, 10, 10, 10, 10, time.UTC)
t2 := time.Date(2024, 1, 1, 10, 10, 10, 10, time.UTC)
dr, _ := New(t1, t2)
entries := dr.Entries()
if len(entries) != 1 || entries[0] != time.Date(2024, 1, 1, 0, 0, 0, 0, time.UTC) {
t.Error("Entries does not contain one item")
}
})
t.Run("The same begin and end dates should have one entry", func(t *testing.T) {
t1 := time.Date(2024, 1, 1, 10, 10, 10, 10, time.UTC)
t2 := time.Date(2024, 1, 15, 22, 12, 15, 10, time.UTC)
dr, _ := New(t1, t2)
entries := dr.Entries()
accurateEntries := 15
if len(entries) != accurateEntries {
t.Errorf("Entries does not contain %d item", accurateEntries)
}
})
}
func TestCount(t *testing.T) {
t.Run("Count should return corrent number of items", func(t *testing.T) {
t1 := time.Date(2024, 1, 1, 10, 10, 10, 10, time.UTC)
t2 := time.Date(2025, 1, 15, 22, 12, 15, 10, time.UTC)
dr, _ := New(t1, t2)
items := dr.Count()
accurateItems := 366 + 15
if items != accurateItems {
t.Errorf("Entries should contain %d item but contains %d items", accurateItems, items)
}
})
}
func TestEql(t *testing.T) {
t.Run("Two ranges with the same begin and end dates should be the same", func(t *testing.T) {
t1 := time.Date(2024, 1, 1, 10, 10, 10, 10, time.UTC)
t2 := time.Date(2025, 1, 15, 22, 12, 15, 10, time.UTC)
dr, _ := New(t1, t2)
anotherT1 := time.Date(2024, 1, 1, 10, 12, 30, 22, time.UTC)
anotherT2 := time.Date(2025, 1, 15, 20, 00, 1, 2, time.UTC)
anotherDr, _ := New(anotherT1, anotherT2)
if !dr.Eql(*anotherDr) {
t.Error("Date should be the same")
}
})
t.Run("Two ranges with the same begin but different end dates shouldn't be the same", func(t *testing.T) {
t1 := time.Date(2024, 1, 1, 10, 12, 30, 22, time.UTC)
t2 := time.Date(2025, 1, 15, 22, 12, 15, 10, time.UTC)
dr, _ := New(t1, t2)
anotherT1 := time.Date(2024, 1, 1, 10, 12, 30, 22, time.UTC)
anotherT2 := time.Date(2025, 1, 14, 20, 00, 1, 2, time.UTC)
anotherDr, _ := New(anotherT1, anotherT2)
if dr.Eql(*anotherDr) {
t.Error("Date shouldn't be the same")
}
})
t.Run("Two ranges with the same end but different begin dates shouldn't be the same", func(t *testing.T) {
t1 := time.Date(2024, 1, 1, 10, 10, 10, 10, time.UTC)
t2 := time.Date(2025, 1, 15, 22, 12, 15, 10, time.UTC)
dr, _ := New(t1, t2)
anotherT1 := time.Date(2024, 1, 2, 10, 12, 30, 22, time.UTC)
anotherT2 := time.Date(2025, 1, 15, 22, 12, 15, 10, time.UTC)
anotherDr, _ := New(anotherT1, anotherT2)
if dr.Eql(*anotherDr) {
t.Error("Date shouldn't be the same")
}
})
}
func TestBegin(t *testing.T) {
t.Run("Begin date should be equal to the first date of range", func(t *testing.T) {
t1 := time.Date(2024, 9, 28, 10, 10, 10, 10, time.UTC)
t2 := time.Date(2025, 1, 15, 22, 12, 15, 10, time.UTC)
begin := time.Date(2024, 9, 28, 0, 0, 0, 0, time.UTC)
dr, _ := New(t1, t2)
if dr.Begin() != begin {
t.Errorf("Begin is %s but should be %s\n", dr.Begin(), begin)
}
})
}
func TestEnd(t *testing.T) {
t.Run("End date should be equal to the last date of range", func(t *testing.T) {
t1 := time.Date(2024, 9, 28, 10, 10, 10, 10, time.UTC)
t2 := time.Date(2025, 1, 15, 22, 12, 15, 10, time.UTC)
end := time.Date(2025, 1, 15, 0, 0, 0, 0, time.UTC)
dr, _ := New(t1, t2)
if dr.End() != end {
t.Errorf("End is %s but should be %s\n", dr.End(), end)
}
})
}
func TestFirst(t *testing.T) {
t.Run("First(n) should return first n items", func(t *testing.T) {
t1 := time.Date(2024, 1, 1, 10, 10, 10, 10, time.UTC)
t2 := time.Date(2025, 1, 15, 22, 12, 15, 10, time.UTC)
dr, _ := New(t1, t2)
items := dr.First(3)
datesToReturn := [...]time.Time{
time.Date(2024, 1, 1, 0, 0, 0, 0, time.UTC),
time.Date(2024, 1, 2, 0, 0, 0, 0, time.UTC),
time.Date(2024, 1, 3, 0, 0, 0, 0, time.UTC),
}
for i, date := range datesToReturn {
if date != items[i] {
t.Errorf("Date should be %s but is %s", date, items[i])
}
}
})
t.Run("First(0) should return an empty slice", func(t *testing.T) {
t1 := time.Date(2024, 1, 1, 10, 10, 10, 10, time.UTC)
t2 := time.Date(2025, 1, 15, 22, 12, 15, 10, time.UTC)
dr, _ := New(t1, t2)
items := dr.First(0)
if len(items) > 0 {
t.Errorf("Number of items should be 0 but is %d", len(items))
}
})
}
func TestLast(t *testing.T) {
t.Run("Last(n) should return last n items", func(t *testing.T) {
t1 := time.Date(2024, 1, 1, 10, 10, 10, 10, time.UTC)
t2 := time.Date(2025, 1, 15, 22, 12, 15, 10, time.UTC)
dr, _ := New(t1, t2)
items := dr.Last(3)
datesToReturn := [...]time.Time{
time.Date(2025, 1, 13, 0, 0, 0, 0, time.UTC),
time.Date(2025, 1, 14, 0, 0, 0, 0, time.UTC),
time.Date(2025, 1, 15, 0, 0, 0, 0, time.UTC),
}
for i, date := range datesToReturn {
if date != items[i] {
t.Errorf("Date should be %s but is %s", date, items[i])
}
}
})
t.Run("Last(0) should return an empty slice", func(t *testing.T) {
t1 := time.Date(2024, 1, 1, 10, 10, 10, 10, time.UTC)
t2 := time.Date(2025, 1, 15, 22, 12, 15, 10, time.UTC)
dr, _ := New(t1, t2)
items := dr.Last(0)
if len(items) > 0 {
t.Errorf("Number of items should be 0 but is %d", len(items))
}
})
}
func TestCover(t *testing.T) {
testData := []struct {
description string
anotherBeginDate time.Time
anotherEndDate time.Time
result bool
errMessage string
}{
{
description: "Inclusive range should return true",
anotherBeginDate: time.Date(2024, 10, 30, 0, 0, 0, 0, time.UTC),
anotherEndDate: time.Date(2025, 1, 10, 0, 0, 0, 0, time.UTC),
result: true,
errMessage: "Range %s should include %s\n",
},
{
description: "Range should include itself",
anotherBeginDate: time.Date(2024, 9, 28, 10, 10, 10, 10, time.UTC),
anotherEndDate: time.Date(2025, 1, 15, 22, 12, 15, 10, time.UTC),
result: true,
errMessage: "Range %s should include %s\n",
},
{
description: "Range with begin date out of receving range shouldn't be included",
anotherBeginDate: time.Date(2024, 9, 27, 10, 10, 10, 10, time.UTC),
anotherEndDate: time.Date(2025, 1, 12, 0, 0, 0, 0, time.UTC),
result: false,
errMessage: "Range %s shouldn't include %s\n",
},
{
description: "Range with end date out of receving range shouldn't be included",
anotherBeginDate: time.Date(2024, 9, 30, 10, 10, 10, 10, time.UTC),
anotherEndDate: time.Date(2025, 1, 16, 0, 0, 0, 0, time.UTC),
result: false,
errMessage: "Range %s shouldn't include %s\n",
},
}
for _, data := range testData {
t.Run(data.description, func(t *testing.T) {
t1 := time.Date(2024, 9, 28, 10, 10, 10, 10, time.UTC)
t2 := time.Date(2025, 1, 15, 22, 12, 15, 10, time.UTC)
dr, _ := New(t1, t2)
anotherDr, _ := New(data.anotherBeginDate, data.anotherEndDate)
if dr.Cover(*anotherDr) != data.result {
t.Errorf(data.errMessage, dr, anotherDr)
}
})
}
}