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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| package time | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "time" | ||
| ) | ||
|
|
||
| // MinTimeNonZero returns the smallest time.Time from the input timestamps, excluding zero times. | ||
| func MinTimeNonZero(ts ...time.Time) time.Time { | ||
| var minTime time.Time | ||
| for _, t := range ts { | ||
| if !t.IsZero() && (minTime.IsZero() || t.Before(minTime)) { | ||
| minTime = t | ||
| } | ||
| } | ||
| return minTime | ||
| } | ||
|
|
||
| // MaxTime returns the largest time.Time from the input timestamps. | ||
| func MaxTime(ts ...time.Time) time.Time { | ||
| var maxTime time.Time | ||
| for _, t := range ts { | ||
| if maxTime.IsZero() || t.After(maxTime) { | ||
| maxTime = t | ||
| } | ||
| } | ||
| return maxTime | ||
| } | ||
|
|
||
| // FormatTimeRange outputs a time range as a formatted string. | ||
| func FormatTimeRange(start, end time.Time, layout string) string { | ||
| return fmt.Sprintf("%v - %v", start.Format(layout), end.Format(layout)) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| package time | ||
|
|
||
| import ( | ||
| "testing" | ||
| "time" | ||
| ) | ||
|
|
||
| var ( | ||
| ts1 = mktime("2024-10-24T17:58:09Z") | ||
| ts2 = mktime("2024-10-24T17:58:10Z") | ||
| tsNegative = mktime("1969-10-24T17:58:10Z") | ||
| ) | ||
|
|
||
| func TestMinTimeNonZero(t *testing.T) { | ||
| tests := []struct { | ||
| name string | ||
| ts []time.Time | ||
| want time.Time | ||
| }{ | ||
| {name: "no inputs"}, | ||
| {name: "zero timestamp", ts: []time.Time{{}}}, | ||
| {name: "non-zero timestamp", ts: []time.Time{ts1}, want: ts1}, | ||
| {name: "multiple timestamps", ts: []time.Time{ts1, ts2}, want: ts1}, | ||
| {name: "only negative timestamp", ts: []time.Time{tsNegative}, want: tsNegative}, | ||
| {name: "negative timestamp in list", ts: []time.Time{ts1, tsNegative}, want: tsNegative}, | ||
| } | ||
| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| if got := MinTimeNonZero(tt.ts...); !got.Equal(tt.want) { | ||
| t.Errorf("MinTimeNonZero not equal, want %v got %v", tt.want, got) | ||
| } | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| func TestMaxTime(t *testing.T) { | ||
| tests := []struct { | ||
| name string | ||
| ts []time.Time | ||
| want time.Time | ||
| }{ | ||
| {name: "no inputs"}, | ||
| {name: "zero timestamp", ts: []time.Time{{}}}, | ||
| {name: "non-zero timestamp", ts: []time.Time{ts1}, want: ts1}, | ||
| {name: "multiple timestamps", ts: []time.Time{ts1, ts2}, want: ts2}, | ||
| {name: "only negative timestamp", ts: []time.Time{tsNegative}, want: tsNegative}, | ||
| {name: "negative timestamp in list", ts: []time.Time{ts1, tsNegative}, want: ts1}, | ||
| } | ||
| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| if got := MaxTime(tt.ts...); !got.Equal(tt.want) { | ||
| t.Errorf("MinTimeNonZero not equal, want %v got %v", tt.want, got) | ||
| } | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| func TestFormatTimeRange(t *testing.T) { | ||
| tests := []struct { | ||
| name string | ||
| start time.Time | ||
| end time.Time | ||
| layout string | ||
| want string | ||
| }{ | ||
| {name: "basic test", start: ts1, end: ts2, layout: time.RFC3339, want: "2024-10-24T17:58:09Z - 2024-10-24T17:58:10Z"}, | ||
| {name: "custom time format", start: ts1, end: ts2, layout: time.DateTime, want: "2024-10-24 17:58:09 - 2024-10-24 17:58:10"}, | ||
| } | ||
| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| if got := FormatTimeRange(tt.start, tt.end, tt.layout); got != tt.want { | ||
| t.Errorf("FormatTimeRange() = %v, want %v", got, tt.want) | ||
| } | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| func mktime(ts string) time.Time { | ||
| t, err := time.Parse(time.RFC3339, ts) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| return t | ||
| } |