grafana/pkg/components/gtime/gtime_test.go
2021-04-01 09:14:06 +02:00

103 lines
2.9 KiB
Go

package gtime
import (
"fmt"
"regexp"
"testing"
"time"
"github.com/stretchr/testify/require"
)
func TestParseInterval(t *testing.T) {
daysInMonth, daysInYear := calculateDays()
tcs := []struct {
inp string
duration time.Duration
err *regexp.Regexp
}{
{inp: "1d", duration: 24 * time.Hour},
{inp: "1w", duration: 168 * time.Hour},
{inp: "2w", duration: 2 * 168 * time.Hour},
{inp: "1M", duration: time.Duration(daysInMonth * 24 * int(time.Hour))},
{inp: "1y", duration: time.Duration(daysInYear * 24 * int(time.Hour))},
{inp: "5y", duration: time.Duration(calculateDays5y() * 24 * int(time.Hour))},
{inp: "invalid-duration", err: regexp.MustCompile(`^time: invalid duration "?invalid-duration"?$`)},
}
for i, tc := range tcs {
t.Run(fmt.Sprintf("testcase %d", i), func(t *testing.T) {
res, err := ParseInterval(tc.inp)
if tc.err == nil {
require.NoError(t, err, "input %q", tc.inp)
require.Equal(t, tc.duration, res, "input %q", tc.inp)
} else {
require.Error(t, err, "input %q", tc.inp)
require.Regexp(t, tc.err, err.Error())
}
})
}
}
func TestParseDuration(t *testing.T) {
tcs := []struct {
inp string
duration time.Duration
err *regexp.Regexp
}{
{inp: "1s", duration: time.Second},
{inp: "1m", duration: time.Minute},
{inp: "1h", duration: time.Hour},
{inp: "1d", duration: 24 * time.Hour},
{inp: "1w", duration: 7 * 24 * time.Hour},
{inp: "2w", duration: 2 * 7 * 24 * time.Hour},
{inp: "1M", duration: time.Duration(730.5 * float64(time.Hour))},
{inp: "1y", duration: 365.25 * 24 * time.Hour},
{inp: "5y", duration: 5 * 365.25 * 24 * time.Hour},
{inp: "invalid-duration", err: regexp.MustCompile(`^time: invalid duration "?invalid-duration"?$`)},
}
for i, tc := range tcs {
t.Run(fmt.Sprintf("testcase %d", i), func(t *testing.T) {
res, err := ParseDuration(tc.inp)
if tc.err == nil {
require.NoError(t, err, "input %q", tc.inp)
require.Equal(t, tc.duration, res, "input %q", tc.inp)
} else {
require.Error(t, err, "input %q", tc.inp)
require.Regexp(t, tc.err, err.Error())
}
})
}
}
func calculateDays() (int, int) {
now := time.Now().UTC()
currentYear, currentMonth, _ := now.Date()
firstDayOfMonth := time.Date(currentYear, currentMonth, 1, 0, 0, 0, 0, time.UTC)
daysInMonth := firstDayOfMonth.AddDate(0, 1, -1).Day()
t1 := time.Date(currentYear, 1, 1, 0, 0, 0, 0, time.UTC)
t2 := time.Date(currentYear+1, 1, 1, 0, 0, 0, 0, time.UTC)
daysInYear := int(t2.Sub(t1).Hours() / 24)
return daysInMonth, daysInYear
}
func calculateDays5y() int {
now := time.Now().UTC()
currentYear, _, _ := now.Date()
var daysInYear int
for i := 0; i < 5; i++ {
t1 := time.Date(currentYear+i, 1, 1, 0, 0, 0, 0, time.UTC)
t2 := time.Date(currentYear+i+1, 1, 1, 0, 0, 0, 0, time.UTC)
daysInYear = daysInYear + int(t2.Sub(t1).Hours()/24)
}
return daysInYear
}