VictoriaMetrics/app/vmctl/stepper/split_test.go

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package stepper
import (
"reflect"
"testing"
"time"
)
type testTimeRange []string
func mustParseDatetime(t string) time.Time {
result, err := time.Parse(time.RFC3339, t)
if err != nil {
panic(err)
}
return result
}
func Test_splitDateRange(t *testing.T) {
type args struct {
start string
end string
granularity string
}
tests := []struct {
name string
args args
want []testTimeRange
wantErr bool
}{
{
name: "validates start is before end",
args: args{
start: "2022-02-01T00:00:00Z",
end: "2022-01-01T00:00:00Z",
granularity: StepMonth,
},
want: nil,
wantErr: true,
},
{
name: "validates granularity value",
args: args{
start: "2022-01-01T00:00:00Z",
end: "2022-02-01T00:00:00Z",
granularity: "non-existent-format",
},
want: nil,
wantErr: true,
},
{
name: "month chunking",
args: args{
start: "2022-01-03T11:11:11Z",
end: "2022-03-03T12:12:12Z",
granularity: StepMonth,
},
want: []testTimeRange{
{
"2022-01-03T11:11:11Z",
"2022-01-31T23:59:59.999999999Z",
},
{
"2022-02-01T00:00:00Z",
"2022-02-28T23:59:59.999999999Z",
},
{
"2022-03-01T00:00:00Z",
"2022-03-03T12:12:12Z",
},
},
wantErr: false,
},
{
name: "daily chunking",
args: args{
start: "2022-01-03T11:11:11Z",
end: "2022-01-05T12:12:12Z",
granularity: StepDay,
},
want: []testTimeRange{
{
"2022-01-03T11:11:11Z",
"2022-01-04T11:11:11Z",
},
{
"2022-01-04T11:11:11Z",
"2022-01-05T11:11:11Z",
},
{
"2022-01-05T11:11:11Z",
"2022-01-05T12:12:12Z",
},
},
wantErr: false,
},
{
name: "hourly chunking",
args: args{
start: "2022-01-03T11:11:11Z",
end: "2022-01-03T14:14:14Z",
granularity: StepHour,
},
want: []testTimeRange{
{
"2022-01-03T11:11:11Z",
"2022-01-03T12:11:11Z",
},
{
"2022-01-03T12:11:11Z",
"2022-01-03T13:11:11Z",
},
{
"2022-01-03T13:11:11Z",
"2022-01-03T14:11:11Z",
},
{
"2022-01-03T14:11:11Z",
"2022-01-03T14:14:14Z",
},
},
wantErr: false,
},
{
name: "month chunking with one day time range",
args: args{
start: "2022-01-03T11:11:11Z",
end: "2022-01-04T12:12:12Z",
granularity: StepMonth,
},
want: []testTimeRange{
{
"2022-01-03T11:11:11Z",
"2022-01-04T12:12:12Z",
},
},
wantErr: false,
},
{
name: "month chunking with same day time range",
args: args{
start: "2022-01-03T11:11:11Z",
end: "2022-01-03T12:12:12Z",
granularity: StepMonth,
},
want: []testTimeRange{
{
"2022-01-03T11:11:11Z",
"2022-01-03T12:12:12Z",
},
},
wantErr: false,
},
{
name: "month chunking with one month and two days range",
args: args{
start: "2022-01-03T11:11:11Z",
end: "2022-02-03T00:00:00Z",
granularity: StepMonth,
},
want: []testTimeRange{
{
"2022-01-03T11:11:11Z",
"2022-01-31T23:59:59.999999999Z",
},
{
"2022-02-01T00:00:00Z",
"2022-02-03T00:00:00Z",
},
},
wantErr: false,
},
{
name: "week chunking with not full week",
args: args{
start: "2023-07-30T00:00:00Z",
end: "2023-08-05T23:59:59.999999999Z",
granularity: StepWeek,
},
want: []testTimeRange{
{
"2023-07-30T00:00:00Z",
"2023-08-05T23:59:59.999999999Z",
},
},
},
{
name: "week chunking with start of the week and end of the week",
args: args{
start: "2023-07-30T00:00:00Z",
end: "2023-08-06T00:00:00Z",
granularity: StepWeek,
},
want: []testTimeRange{
{
"2023-07-30T00:00:00Z",
"2023-08-06T00:00:00Z",
},
},
},
{
name: "week chunking with next one day week",
args: args{
start: "2023-07-30T00:00:00Z",
end: "2023-08-07T01:12:00Z",
granularity: StepWeek,
},
want: []testTimeRange{
{
"2023-07-30T00:00:00Z",
"2023-08-06T00:00:00Z",
},
{
"2023-08-06T00:00:00Z",
"2023-08-07T01:12:00Z",
},
},
},
{
name: "week chunking with month and not full week representation",
args: args{
start: "2023-07-30T00:00:00Z",
end: "2023-09-01T01:12:00Z",
granularity: StepWeek,
},
want: []testTimeRange{
{
"2023-07-30T00:00:00Z",
"2023-08-06T00:00:00Z",
},
{
"2023-08-06T00:00:00Z",
"2023-08-13T00:00:00Z",
},
{
"2023-08-13T00:00:00Z",
"2023-08-20T00:00:00Z",
},
{
"2023-08-20T00:00:00Z",
"2023-08-27T00:00:00Z",
},
{
"2023-08-27T00:00:00Z",
"2023-09-01T01:12:00Z",
},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
start := mustParseDatetime(tt.args.start)
end := mustParseDatetime(tt.args.end)
got, err := SplitDateRange(start, end, tt.args.granularity, false)
if (err != nil) != tt.wantErr {
t.Errorf("splitDateRange() error = %v, wantErr %v", err, tt.wantErr)
return
}
var testExpectedResults [][]time.Time
if tt.want != nil {
testExpectedResults = make([][]time.Time, 0)
for _, dr := range tt.want {
testExpectedResults = append(testExpectedResults, []time.Time{
mustParseDatetime(dr[0]),
mustParseDatetime(dr[1]),
})
}
}
if !reflect.DeepEqual(got, testExpectedResults) {
t.Errorf("splitDateRange() got = %v, want %v", got, testExpectedResults)
}
})
}
}
func Test_splitDateRange_reverse(t *testing.T) {
type args struct {
start string
end string
granularity string
timeReverse bool
}
tests := []struct {
name string
args args
want []testTimeRange
wantErr bool
}{
{
name: "validates start is before end",
args: args{
start: "2022-02-01T00:00:00Z",
end: "2022-01-01T00:00:00Z",
granularity: StepMonth,
timeReverse: true,
},
want: nil,
wantErr: true,
},
{
name: "validates granularity value",
args: args{
start: "2022-01-01T00:00:00Z",
end: "2022-02-01T00:00:00Z",
granularity: "non-existent-format",
timeReverse: true,
},
want: nil,
wantErr: true,
},
{
name: "month chunking",
args: args{
start: "2022-01-03T11:11:11Z",
end: "2022-03-03T12:12:12Z",
granularity: StepMonth,
timeReverse: true,
},
want: []testTimeRange{
{
"2022-03-01T00:00:00Z",
"2022-03-03T12:12:12Z",
},
{
"2022-02-01T00:00:00Z",
"2022-02-28T23:59:59.999999999Z",
},
{
"2022-01-03T11:11:11Z",
"2022-01-31T23:59:59.999999999Z",
},
},
wantErr: false,
},
{
name: "daily chunking",
args: args{
start: "2022-01-03T11:11:11Z",
end: "2022-01-05T12:12:12Z",
granularity: StepDay,
timeReverse: true,
},
want: []testTimeRange{
{
"2022-01-05T11:11:11Z",
"2022-01-05T12:12:12Z",
},
{
"2022-01-04T11:11:11Z",
"2022-01-05T11:11:11Z",
},
{
"2022-01-03T11:11:11Z",
"2022-01-04T11:11:11Z",
},
},
wantErr: false,
},
{
name: "hourly chunking",
args: args{
start: "2022-01-03T11:11:11Z",
end: "2022-01-03T14:14:14Z",
granularity: StepHour,
timeReverse: true,
},
want: []testTimeRange{
{
"2022-01-03T14:11:11Z",
"2022-01-03T14:14:14Z",
},
{
"2022-01-03T13:11:11Z",
"2022-01-03T14:11:11Z",
},
{
"2022-01-03T12:11:11Z",
"2022-01-03T13:11:11Z",
},
{
"2022-01-03T11:11:11Z",
"2022-01-03T12:11:11Z",
},
},
wantErr: false,
},
{
name: "month chunking with one day time range",
args: args{
start: "2022-01-03T11:11:11Z",
end: "2022-01-04T12:12:12Z",
granularity: StepMonth,
timeReverse: true,
},
want: []testTimeRange{
{
"2022-01-03T11:11:11Z",
"2022-01-04T12:12:12Z",
},
},
wantErr: false,
},
{
name: "month chunking with same day time range",
args: args{
start: "2022-01-03T11:11:11Z",
end: "2022-01-03T12:12:12Z",
granularity: StepMonth,
timeReverse: true,
},
want: []testTimeRange{
{
"2022-01-03T11:11:11Z",
"2022-01-03T12:12:12Z",
},
},
wantErr: false,
},
{
name: "month chunking with one month and two days range",
args: args{
start: "2022-01-03T11:11:11Z",
end: "2022-02-03T00:00:00Z",
granularity: StepMonth,
timeReverse: true,
},
want: []testTimeRange{
{
"2022-02-01T00:00:00Z",
"2022-02-03T00:00:00Z",
},
{
"2022-01-03T11:11:11Z",
"2022-01-31T23:59:59.999999999Z",
},
},
wantErr: false,
},
{
name: "week chunking with not full week",
args: args{
start: "2023-07-30T00:00:00Z",
end: "2023-08-05T23:59:59.999999999Z",
granularity: StepWeek,
timeReverse: true,
},
want: []testTimeRange{
{
"2023-07-30T00:00:00Z",
"2023-08-05T23:59:59.999999999Z",
},
},
},
{
name: "week chunking with start of the week and end of the week",
args: args{
start: "2023-07-30T00:00:00Z",
end: "2023-08-06T00:00:00Z",
granularity: StepWeek,
timeReverse: true,
},
want: []testTimeRange{
{
"2023-07-30T00:00:00Z",
"2023-08-06T00:00:00Z",
},
},
},
{
name: "week chunking with next one day week",
args: args{
start: "2023-07-30T00:00:00Z",
end: "2023-08-07T01:12:00Z",
granularity: StepWeek,
timeReverse: true,
},
want: []testTimeRange{
{
"2023-08-06T00:00:00Z",
"2023-08-07T01:12:00Z",
},
{
"2023-07-30T00:00:00Z",
"2023-08-06T00:00:00Z",
},
},
},
{
name: "week chunking with month and not full week representation",
args: args{
start: "2023-07-30T00:00:00Z",
end: "2023-09-01T01:12:00Z",
granularity: StepWeek,
timeReverse: true,
},
want: []testTimeRange{
{
"2023-08-27T00:00:00Z",
"2023-09-01T01:12:00Z",
},
{
"2023-08-20T00:00:00Z",
"2023-08-27T00:00:00Z",
},
{
"2023-08-13T00:00:00Z",
"2023-08-20T00:00:00Z",
},
{
"2023-08-06T00:00:00Z",
"2023-08-13T00:00:00Z",
},
{
"2023-07-30T00:00:00Z",
"2023-08-06T00:00:00Z",
},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
start := mustParseDatetime(tt.args.start)
end := mustParseDatetime(tt.args.end)
got, err := SplitDateRange(start, end, tt.args.granularity, tt.args.timeReverse)
if (err != nil) != tt.wantErr {
t.Errorf("splitDateRange() error = %v, wantErr %v", err, tt.wantErr)
return
}
var testExpectedResults [][]time.Time
if tt.want != nil {
testExpectedResults = make([][]time.Time, 0)
for _, dr := range tt.want {
testExpectedResults = append(testExpectedResults, []time.Time{
mustParseDatetime(dr[0]),
mustParseDatetime(dr[1]),
})
}
}
if !reflect.DeepEqual(got, testExpectedResults) {
t.Errorf("splitDateRange() got = %v, want %v", got, testExpectedResults)
}
})
}
}