/
timediff_test.go
189 lines (164 loc) · 6.31 KB
/
timediff_test.go
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package timediff_test
import (
"fmt"
"math"
"os"
"sort"
"strings"
"testing"
"text/tabwriter"
"time"
"github.com/mergestat/timediff"
"github.com/mergestat/timediff/locale"
)
var fixtures = map[string]string{
"-10s": "a few seconds ago",
"-44s": "a few seconds ago",
"-45s": "a minute ago",
"-89s": "a minute ago",
"-90s": "2 minutes ago",
"-91s": "2 minutes ago",
"-2m": "2 minutes ago",
"-10m": "10 minutes ago",
"-44m": "44 minutes ago",
"-45m": "an hour ago",
"-60m": "an hour ago",
"-1h": "an hour ago",
"-80m": "an hour ago",
"-89m": "an hour ago",
"-90m": "2 hours ago",
"-2h": "2 hours ago",
"-20h": "20 hours ago",
"-21h": "21 hours ago",
"-21h30m": "a day ago",
"-22h": "a day ago",
"-24h": "a day ago",
"-24h30m": "a day ago",
"-34h59m": "a day ago",
"-36h": "2 days ago",
fmt.Sprintf("-%dh", 10*24): "10 days ago",
fmt.Sprintf("-%dh", 25*24): "25 days ago",
fmt.Sprintf("-%dh", 26*24): "a month ago",
fmt.Sprintf("-%dh", 45*24): "a month ago",
fmt.Sprintf("-%dh2m", 45*24): "2 months ago",
fmt.Sprintf("-%dh", 46*24+1): "2 months ago",
fmt.Sprintf("-%dh", 80*24): "3 months ago",
fmt.Sprintf("-%dh", 9*24*30): "9 months ago",
fmt.Sprintf("-%dh", 10*24*30): "10 months ago",
fmt.Sprintf("-%dh1m", 10*24*30): "a year ago",
fmt.Sprintf("-%dh", 12*24*30): "a year ago",
fmt.Sprintf("-%dh", 17*24*30+1): "2 years ago",
fmt.Sprintf("-%dh", 24*24*30): "2 years ago",
fmt.Sprintf("-%dh", 20*24*30*12): "20 years ago",
fmt.Sprintf("-%dh", 100*24*30*12): "100 years ago",
"10s": "in a few seconds",
"44s": "in a few seconds",
"45s": "in a minute",
"89s": "in a minute",
"90s": "in 2 minutes",
"2m": "in 2 minutes",
"10m": "in 10 minutes",
"44m": "in 44 minutes",
"45m": "in an hour",
"60m": "in an hour",
"1h": "in an hour",
"80m": "in an hour",
"89m": "in an hour",
"89m10s": "in 2 hours",
"90m": "in 2 hours",
"2h": "in 2 hours",
"20h": "in 20 hours",
"21h": "in 21 hours",
"21h30m": "in a day",
"22h": "in a day",
"24h": "in a day",
"35h10m": "in 2 days",
"36h": "in 2 days",
fmt.Sprintf("%dh", 10*24): "in 10 days",
fmt.Sprintf("%dh", 25*24): "in 25 days",
fmt.Sprintf("%dh", 26*24): "in a month",
fmt.Sprintf("%dh", 45*24): "in a month",
fmt.Sprintf("%dh1m", 45*24): "in 2 months",
fmt.Sprintf("%dh", 46*24): "in 2 months",
fmt.Sprintf("%dh", 80*24): "in 3 months",
fmt.Sprintf("%dh", 9*24*30): "in 9 months",
fmt.Sprintf("%dh", 10*24*30): "in 10 months",
fmt.Sprintf("%dh1m", 10*24*30): "in a year",
fmt.Sprintf("%dh", 12*24*30): "in a year",
fmt.Sprintf("%dh", 24*24*30): "in 2 years",
fmt.Sprintf("%dh", 20*24*30*12): "in 20 years",
fmt.Sprintf("%dh", 100*24*30*12): "in 100 years",
}
// execFixtures is a helper function for executing tests against fixtures
func execFixtures(t *testing.T, f map[string]string, opts ...timediff.TimeDiffOption) {
t.Helper()
now := time.Now()
durations := make([]string, 0, len(f))
wants := make([]string, len(f))
for d := range f {
durations = append(durations, d)
}
sort.SliceStable(durations, func(i, j int) bool {
pi, err := time.ParseDuration(durations[i])
if err != nil {
t.Fatal(err)
}
pj, err := time.ParseDuration(durations[j])
if err != nil {
t.Fatal(err)
}
return pi < pj
})
// populate the slice of formatters, corresponding to their sorted durations
for i, d := range durations {
wants[i] = f[d]
}
w := tabwriter.NewWriter(os.Stdout, 0, 0, 3, ' ', tabwriter.TabIndent)
for d, durStr := range durations {
want := wants[d]
dur, err := time.ParseDuration(durStr)
if err != nil {
t.Fatal(err)
}
timeToDiff := now.Add(dur)
got := timediff.TimeDiff(timeToDiff, opts...)
if got != want {
t.Fatalf("expected: %q, got: %q for duration: %q (%q)", want, got, durStr, dur)
}
fmt.Fprintln(w, strings.Join([]string{durStr, got}, "\t"))
}
if err := w.Flush(); err != nil {
t.Fatal(err)
}
}
func TestTimeDiff(t *testing.T) {
execFixtures(t, fixtures, timediff.WithLocale("en-US"))
}
func TestWithStartTime(t *testing.T) {
start := time.Date(2022, time.January, 22, 12, 0, 0, 0, time.Now().Local().Location())
timeToDiff := time.Date(2022, time.January, 22, 10, 0, 0, 0, time.Now().Local().Location())
want := "2 hours ago"
got := timediff.TimeDiff(timeToDiff, timediff.WithStartTime(start))
if got != want {
t.Fatalf("expected: %q, got %q", want, got)
}
}
func TestWithCustomFormatters(t *testing.T) {
var custom = locale.Formatters{
21 * time.Hour: func(d time.Duration) string { return fmt.Sprintf("Custom message: %.0f hours", math.Ceil(d.Hours())) },
}
{
want := "Custom message: 2 hours"
got := timediff.TimeDiff(time.Now().Add(-2*time.Hour), timediff.WithCustomFormatters(custom), timediff.WithLocale("en-US"))
if got != want {
t.Fatalf("expected: %q, got %q", want, got)
}
}
{
want := "Custom message: 100 hours"
got := timediff.TimeDiff(time.Now().Add(-100*time.Hour), timediff.WithCustomFormatters(custom), timediff.WithLocale("en-US"))
if got != want {
t.Fatalf("expected: %q, got %q", want, got)
}
}
}